diff --git a/.claude/settings.json b/.claude/settings.json new file mode 100644 index 0000000..e8c7958 --- /dev/null +++ b/.claude/settings.json @@ -0,0 +1,9 @@ +{ + "permissions": { + "allow": [ + "Bash(lsof:*)", + "Bash(log show:*)", + "Read(//Users/ccarpio/Library/Developer/Xcode/DerivedData/**)" + ] + } +} diff --git a/CMakeLists.txt b/CMakeLists.txt index 679c8ab..cba3d7a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -7,14 +7,14 @@ set(CMAKE_OSX_DEPLOYMENT_TARGET 11.0) project(PiP) -add_compile_options(-fobjc-arc -Wno-deprecated-declarations -Wno-format) +add_compile_options(-fobjc-arc -Wno-deprecated-declarations -Wno-format -mmacosx-version-min=14.0) set(frameworks AVFoundation Cocoa VideoToolbox AudioToolbox CoreMedia QuartzCore OpenGL Metal MetalKit PIP SkyLight ScreenCaptureKit) list(TRANSFORM frameworks PREPEND "-framework ") set(AIRPLAY_SUPPORT_ENABLED 1) -file(GLOB_RECURSE pip_src CONFIGURE_DEPENDS "pip/*.m") +file(GLOB_RECURSE pip_src CONFIGURE_DEPENDS "pip/*.m" "pip/*.c") add_executable(pip ${pip_src}) target_include_directories(pip PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} diff --git a/LICENSE b/LICENSE index fb6936b..a86cb58 100644 --- a/LICENSE +++ b/LICENSE @@ -1,6 +1,7 @@ MIT License Copyright (c) 2020 amitv87 +Copyright (c) 2026 ccarpiog Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal diff --git a/README.md b/README.md index 7f311be..1983043 100644 --- a/README.md +++ b/README.md @@ -18,8 +18,8 @@ Always on top window preview with AirPlay receiver support (if on macOS 12+, tur ## Features * Clone any visibile window * Clone multiple active display -* Camera preview -* HLS streaming +* Camera preview with audio monitoring +* HLS live streaming of any preview (window, display, or camera) * Airplay sender (unstable) * Crop the preview * Auto and manual resize preserving the aspect ratio @@ -30,6 +30,40 @@ Always on top window preview with AirPlay receiver support (if on macOS 12+, tur * Minimal modern UI * Upto 10 parallel airplay sessions (soft limit) +## Live Streaming + +PiP can stream any preview window over your local network using HLS (HTTP Live Streaming). Any device with a web browser on the same network can watch the live feed. + +### How to use +1. Right-click any active preview window and select **Stream > Start Streaming** +2. The stream URL (e.g. `http://192.168.1.42:8080`) appears at the bottom of the Stream menu +3. Open that URL on any device's browser to watch the live stream +4. Use **Copy URL** to copy the direct HLS stream URL (`/stream.m3u8`) or **Open in Browser** to open the web viewer + +### Quality presets +| Preset | Resolution | Bitrate | FPS | +|--------|-----------|---------|-----| +| Low | 720p | 1.5 Mbps | 24 | +| Medium | 1080p | 3 Mbps | 30 | +| High | Native | 6 Mbps | 30 | + +Change quality on the fly via **Stream > Quality**. + +### Architecture +The streaming pipeline is fully self-contained with no third-party dependencies: + +``` +Frame Capture → H.264 Video Encoder → MPEG-TS Muxer → HLS Writer → HTTP Server + ↑ + Audio Capture +``` + +* **Frame Capture** – grabs RGBA frames from the preview's OpenGL/Metal renderer +* **Video Encoder** – hardware-accelerated H.264 encoding via VideoToolbox +* **TS Muxer** – multiplexes video (and optional audio) into MPEG-TS segments +* **HLS Writer** – manages a ring buffer of `.ts` segments and generates the `.m3u8` playlist +* **HTTP Server** – lightweight embedded server that serves the playlist, segments, and a built-in web viewer with hls.js + ## Installation ### Manual download diff --git a/airplay_sender/video_encoder.h b/airplay_sender/video_encoder.h index 7486075..7e6ee39 100644 --- a/airplay_sender/video_encoder.h +++ b/airplay_sender/video_encoder.h @@ -60,6 +60,13 @@ video_encoder_t *video_encoder_init(int width, int height, int fps, int bitrate) */ void video_encoder_set_callback(video_encoder_t *enc, encoded_frame_callback_t cb, void *ctx); +/** + * Set maximum keyframe interval in frames. + * Example: at 30fps, 30 => ~1 second keyframe cadence. + * Returns 0 on success, -1 on error. + */ +int video_encoder_set_keyframe_interval(video_encoder_t *enc, int keyframe_interval_frames); + /** * Encode a frame * rgba_data: RGBA32 format frame data (row-major) @@ -78,4 +85,4 @@ void video_encoder_destroy(video_encoder_t *enc); } #endif -#endif \ No newline at end of file +#endif diff --git a/airplay_sender/video_encoder_stub.c b/airplay_sender/video_encoder_stub.c index b2b0866..ef1865f 100644 --- a/airplay_sender/video_encoder_stub.c +++ b/airplay_sender/video_encoder_stub.c @@ -44,6 +44,14 @@ video_encoder_set_callback(video_encoder_t *enc, encoded_frame_callback_t cb, vo } } +int +video_encoder_set_keyframe_interval(video_encoder_t *enc, int keyframe_interval_frames) +{ + (void)enc; + (void)keyframe_interval_frames; + return 0; +} + int video_encoder_encode_frame(video_encoder_t *enc, uint8_t *rgba_data, int stride, uint64_t pts) { diff --git a/pip.xcodeproj/project.pbxproj b/pip.xcodeproj/project.pbxproj index 01e0edf..f076617 100644 --- a/pip.xcodeproj/project.pbxproj +++ b/pip.xcodeproj/project.pbxproj @@ -147,6 +147,10 @@ 55FEB9A7 /* airplaySender.m in Sources */ = {isa = PBXBuildFile; fileRef = 55FEB9A2 /* airplaySender.m */; }; 55FEB9A8 /* frame_capture.m in Sources */ = {isa = PBXBuildFile; fileRef = 55FEB9A4 /* frame_capture.m */; }; 55FEB9A9 /* video_encoder.m in Sources */ = {isa = PBXBuildFile; fileRef = 55FEB9A6 /* video_encoder.m */; }; + 55FEBC11 /* ts_muxer.c in Sources */ = {isa = PBXBuildFile; fileRef = 55FEBC02 /* ts_muxer.c */; }; + 55FEBC12 /* hls_writer.c in Sources */ = {isa = PBXBuildFile; fileRef = 55FEBC04 /* hls_writer.c */; }; + 55FEBC13 /* stream_server.m in Sources */ = {isa = PBXBuildFile; fileRef = 55FEBC06 /* stream_server.m */; }; + 55FEBC14 /* stream_manager.m in Sources */ = {isa = PBXBuildFile; fileRef = 55FEBC08 /* stream_manager.m */; }; /* End PBXBuildFile section */ /* Begin PBXFileReference section */ @@ -325,6 +329,17 @@ 55FEB9A5 /* video_encoder.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = video_encoder.h; sourceTree = ""; }; 55FEB9A6 /* video_encoder.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = video_encoder.m; sourceTree = ""; }; 55FEB9AA /* ScreenCaptureKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = ScreenCaptureKit.framework; path = /System/Volumes/Data/Library/Developer/CommandLineTools/SDKs/MacOSX12.3.sdk/System/Library/Frameworks/ScreenCaptureKit.framework; sourceTree = ""; }; + 55FEBC01 /* ts_muxer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ts_muxer.h; sourceTree = ""; }; + 55FEBC02 /* ts_muxer.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = ts_muxer.c; sourceTree = ""; }; + 55FEBC03 /* hls_writer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = hls_writer.h; sourceTree = ""; }; + 55FEBC04 /* hls_writer.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = hls_writer.c; sourceTree = ""; }; + 55FEBC05 /* stream_server.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = stream_server.h; sourceTree = ""; }; + 55FEBC06 /* stream_server.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = stream_server.m; sourceTree = ""; }; + 55FEBC07 /* stream_manager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = stream_manager.h; sourceTree = ""; }; + 55FEBC08 /* stream_manager.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = stream_manager.m; sourceTree = ""; }; + 55FEBC09 /* viewer.html */ = {isa = PBXFileReference; lastKnownFileType = text.html; path = viewer.html; sourceTree = ""; }; + 55FEBC0A /* hls.min.js */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.javascript; path = "hls.min.js"; sourceTree = ""; }; + 55FEBC0B /* incbin.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = incbin.h; sourceTree = ""; }; /* End PBXFileReference section */ /* Begin PBXFrameworksBuildPhase section */ @@ -576,6 +591,17 @@ 55FEB9A4 /* frame_capture.m */, 55FEB9A5 /* video_encoder.h */, 55FEB9A6 /* video_encoder.m */, + 55FEBC01 /* ts_muxer.h */, + 55FEBC02 /* ts_muxer.c */, + 55FEBC03 /* hls_writer.h */, + 55FEBC04 /* hls_writer.c */, + 55FEBC05 /* stream_server.h */, + 55FEBC06 /* stream_server.m */, + 55FEBC07 /* stream_manager.h */, + 55FEBC08 /* stream_manager.m */, + 55FEBC09 /* viewer.html */, + 55FEBC0A /* hls.min.js */, + 55FEBC0B /* incbin.h */, ); path = pip; sourceTree = ""; @@ -807,6 +833,10 @@ 55FEB9A7 /* airplaySender.m in Sources */, 55FEB9A8 /* frame_capture.m in Sources */, 55FEB9A9 /* video_encoder.m in Sources */, + 55FEBC11 /* ts_muxer.c in Sources */, + 55FEBC12 /* hls_writer.c in Sources */, + 55FEBC13 /* stream_server.m in Sources */, + 55FEBC14 /* stream_manager.m in Sources */, ); runOnlyForDeploymentPostprocessing = 0; }; diff --git a/pip/HLSPlayer.m b/pip/HLSPlayer.m index 76388d3..e69338c 100644 --- a/pip/HLSPlayer.m +++ b/pip/HLSPlayer.m @@ -33,6 +33,8 @@ - (instancetype)initWithURL:(NSURL *)url headers:(NSDictionaryframe_count == 0 || cap->frame_count % 30 == 0) { + NSLog(@"frame_capture: timed out waiting for main-thread image (frame_count: %llu)", cap->frame_count); + } + return; + } + } if (!currentImage) { if 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0:t.split(","),i=Ze(e),n=e.width||640,a=e.height||480,s=e.frameRate||30,o=e.videoRange.toLowerCase();return r?r.map((function(e){var t={contentType:Fe(Ye(e),"video"),width:n,height:a,bitrate:i,framerate:s};return"sdr"!==o&&(t.transferFunction=o),t})):[]}(e),o=s.length,l=function(e,t,r){var i,n=null==(i=e.audioCodec)?void 0:i.split(","),a=Ze(e);return n&&e.audioGroups?e.audioGroups.reduce((function(e,i){var s,o=i?null==(s=t.groups[i])?void 0:s.tracks:null;return o?o.reduce((function(e,t){if(t.groupId===i){var s=parseFloat(t.channels||"");n.forEach((function(t){var i={contentType:Fe(t,"audio"),bitrate:r?$e(t,a):a};s&&(i.channels=""+s),e.push(i)}))}return e}),e):e}),[]):[]}(e,t,o>0),u=l.length,d=o||1*u||1;d--;){var h={type:"media-source"};if(o&&(h.video=s[d%o]),u){h.audio=l[d%u];var f=h.audio.bitrate;h.video&&f&&(h.video.bitrate-=f)}a.push(h)}if(n){var c=navigator.userAgent;if(n.split(",").some((function(e){return Re(e)}))&&Ce())return Promise.resolve(Qe(new Error("Overriding Windows Firefox HEVC MediaCapabilities result based on user-agent string: ("+c+")"),a))}return Promise.all(a.map((function(e){var t,n,a,s,o=(n="",a=(t=e).audio,(s=t.video)&&(n+=je(s.contentType)+"_r"+s.height+"x"+s.width+"f"+Math.ceil(s.framerate)+(s.transferFunction||"sd")+"_"+Math.ceil(s.bitrate/1e5)),a&&(n+=(s?"_":"")+je(a.contentType)+"_c"+a.channels),n);return i[o]||(i[o]=r.decodingInfo(e))}))).then((function(e){return{supported:!e.some((function(e){return!e.supported})),configurations:a,decodingInfoResults:e}})).catch((function(e){return{supported:!1,configurations:a,decodingInfoResults:[],error:e}}))}function $e(e,t){if(t<=1)return 1;var r=128e3;return"ec-3"===e?r=768e3:"ac-3"===e&&(r=64e4),Math.min(t/2,r)}function Ze(e){return 1e3*Math.ceil(Math.max(.9*e.bitrate,e.averageBitrate)/1e3)||1}var Je=["NONE","TYPE-0","TYPE-1",null],et=["SDR","PQ","HLG"],tt="",rt="YES",it="v2";function nt(e){var t=e.canSkipUntil,r=e.canSkipDateRanges,i=e.age;return t&&i-1;i--)if(r(e[i]))return i;for(var n=t+1;n-1&&v!==g,p=!!e||m;if(p||!l.paused&&l.playbackRate&&l.readyState){var y=s.mainForwardBufferInfo;if(p||null!==y){var E=r.bwEstimator.getEstimateTTFB(),T=Math.abs(l.playbackRate);if(!(f<=Math.max(E,h/(2*T)*1e3))){var S=y?y.len/T:0,L=d.loading.first?d.loading.first-d.loading.start:-1,I=d.loaded&&L>-1,R=r.getBwEstimate(),k=s.levels,D=k[g],_=Math.max(d.loaded,Math.round(h*(n.bitrate||D.averageBitrate)/8)),P=I?f-L:f;P<1&&I&&(P=Math.min(f,8*d.loaded/R));var C=I?1e3*d.loaded/P:0,w=E/1e3,O=C?(_-d.loaded)/C:8*_/R+w;if(!(O<=S)){var x,M=C?8*C:R,F=!0===(null==(t=(null==e?void 0:e.details)||r.hls.latestLevelDetails)?void 0:t.live),N=r.hls.config.abrBandWidthUpFactor,U=Number.POSITIVE_INFINITY;for(x=g-1;x>c;x--){var B=k[x].maxBitrate,G=!k[x].details||F;if((U=r.getTimeToLoadFrag(w,M,h*B,G))=O||U>10*h)){I?r.bwEstimator.sample(f-Math.min(E,L),d.loaded):r.bwEstimator.sampleTTFB(f);var K=k[x].maxBitrate;r.getBwEstimate()*N>K&&r.resetEstimator(K);var V=r.findBestLevel(K,c,x,0,S,1,1);V>-1&&(x=V),r.warn("Fragment "+n.sn+(a?" part "+a.index:"")+" of level "+g+" is loading too slowly;\n Fragment duration: "+n.duration.toFixed(3)+"\n Time to underbuffer: "+S.toFixed(3)+" s\n Estimated load time for current fragment: "+O.toFixed(3)+" s\n Estimated load time for down switch fragment: "+U.toFixed(3)+" s\n TTFB estimate: "+(0|L)+" ms\n Current BW estimate: "+(A(R)?0|R:"Unknown")+" bps\n New BW estimate: "+(0|r.getBwEstimate())+" bps\n Switching to level "+x+" @ "+(0|K)+" bps"),s.nextLoadLevel=s.nextAutoLevel=x,r.clearTimer();var H=function(){if(r.clearTimer(),r.fragCurrent===n&&r.hls.loadLevel===x&&x>0){var e=r.getStarvationDelay();if(r.warn("Aborting inflight request "+(x>0?"and switching down":"")+"\n Fragment duration: "+n.duration.toFixed(3)+" s\n Time to underbuffer: "+e.toFixed(3)+" s"),n.abortRequests(),r.fragCurrent=r.partCurrent=null,x>c){var t=r.findBestLevel(r.hls.levels[c].bitrate,c,x,0,e,1,1);-1===t&&(t=c),r.hls.nextLoadLevel=r.hls.nextAutoLevel=t,r.resetEstimator(r.hls.levels[t].bitrate)}}};m||O>2*U?H():r.timer=self.setInterval(H,1e3*U),s.trigger(b.FRAG_LOAD_EMERGENCY_ABORTED,{frag:n,part:a,stats:d})}}}}}}}},r.hls=t,r.bwEstimator=r.initEstimator(),r.registerListeners(),r}o(t,e);var r=t.prototype;return r.resetEstimator=function(e){e&&(this.log("setting initial bwe to "+e),this.hls.config.abrEwmaDefaultEstimate=e),this.firstSelection=-1,this.bwEstimator=this.initEstimator()},r.initEstimator=function(){var e=this.hls.config;return new F(e.abrEwmaSlowVoD,e.abrEwmaFastVoD,e.abrEwmaDefaultEstimate)},r.registerListeners=function(){var e=this.hls;e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.FRAG_LOADING,this.onFragLoading,this),e.on(b.FRAG_LOADED,this.onFragLoaded,this),e.on(b.FRAG_BUFFERED,this.onFragBuffered,this),e.on(b.LEVEL_SWITCHING,this.onLevelSwitching,this),e.on(b.LEVEL_LOADED,this.onLevelLoaded,this),e.on(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(b.MAX_AUTO_LEVEL_UPDATED,this.onMaxAutoLevelUpdated,this),e.on(b.ERROR,this.onError,this)},r.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.FRAG_LOADING,this.onFragLoading,this),e.off(b.FRAG_LOADED,this.onFragLoaded,this),e.off(b.FRAG_BUFFERED,this.onFragBuffered,this),e.off(b.LEVEL_SWITCHING,this.onLevelSwitching,this),e.off(b.LEVEL_LOADED,this.onLevelLoaded,this),e.off(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(b.MAX_AUTO_LEVEL_UPDATED,this.onMaxAutoLevelUpdated,this),e.off(b.ERROR,this.onError,this))},r.destroy=function(){this.unregisterListeners(),this.clearTimer(),this.hls=this._abandonRulesCheck=this.supportedCache=null,this.fragCurrent=this.partCurrent=null},r.onManifestLoading=function(e,t){this.lastLoadedFragLevel=-1,this.firstSelection=-1,this.lastLevelLoadSec=0,this.supportedCache={},this.fragCurrent=this.partCurrent=null,this.onLevelsUpdated(),this.clearTimer()},r.onLevelsUpdated=function(){this.lastLoadedFragLevel>-1&&this.fragCurrent&&(this.lastLoadedFragLevel=this.fragCurrent.level),this._nextAutoLevel=-1,this.onMaxAutoLevelUpdated(),this.codecTiers=null,this.audioTracksByGroup=null},r.onMaxAutoLevelUpdated=function(){this.firstSelection=-1,this.nextAutoLevelKey=""},r.onFragLoading=function(e,t){var r,i=t.frag;this.ignoreFragment(i)||(i.bitrateTest||(this.fragCurrent=i,this.partCurrent=null!=(r=t.part)?r:null),this.clearTimer(),this.timer=self.setInterval(this._abandonRulesCheck,100))},r.onLevelSwitching=function(e,t){this.clearTimer()},r.onError=function(e,t){if(!t.fatal)switch(t.details){case k.BUFFER_ADD_CODEC_ERROR:case k.BUFFER_APPEND_ERROR:this.lastLoadedFragLevel=-1,this.firstSelection=-1;break;case k.FRAG_LOAD_TIMEOUT:var r=t.frag,i=this.fragCurrent,n=this.partCurrent;if(r&&i&&r.sn===i.sn&&r.level===i.level){var a=performance.now(),s=n?n.stats:r.stats,o=a-s.loading.start,l=s.loading.first?s.loading.first-s.loading.start:-1;if(s.loaded&&l>-1){var u=this.bwEstimator.getEstimateTTFB();this.bwEstimator.sample(o-Math.min(u,l),s.loaded)}else this.bwEstimator.sampleTTFB(o)}}},r.getTimeToLoadFrag=function(e,t,r,i){return e+r/t+(i?e+this.lastLevelLoadSec:0)},r.onLevelLoaded=function(e,t){var r=this.hls.config,i=t.stats.loading,n=i.end-i.first;A(n)&&(this.lastLevelLoadSec=n/1e3),t.details.live?this.bwEstimator.update(r.abrEwmaSlowLive,r.abrEwmaFastLive):this.bwEstimator.update(r.abrEwmaSlowVoD,r.abrEwmaFastVoD),this.timer>-1&&this._abandonRulesCheck(t.levelInfo)},r.onFragLoaded=function(e,t){var r=t.frag,i=t.part,n=i?i.stats:r.stats;if(r.type===w&&this.bwEstimator.sampleTTFB(n.loading.first-n.loading.start),!this.ignoreFragment(r)){if(this.clearTimer(),r.level===this._nextAutoLevel&&(this._nextAutoLevel=-1),this.firstSelection=-1,this.hls.config.abrMaxWithRealBitrate){var a=i?i.duration:r.duration,s=this.hls.levels[r.level],o=(s.loaded?s.loaded.bytes:0)+n.loaded,l=(s.loaded?s.loaded.duration:0)+a;s.loaded={bytes:o,duration:l},s.realBitrate=Math.round(8*o/l)}if(r.bitrateTest){var u={stats:n,frag:r,part:i,id:r.type};this.onFragBuffered(b.FRAG_BUFFERED,u),r.bitrateTest=!1}else this.lastLoadedFragLevel=r.level}},r.onFragBuffered=function(e,t){var r=t.frag,i=t.part,n=null!=i&&i.stats.loaded?i.stats:r.stats;if(!n.aborted&&!this.ignoreFragment(r)){var a=n.parsing.end-n.loading.start-Math.min(n.loading.first-n.loading.start,this.bwEstimator.getEstimateTTFB());this.bwEstimator.sample(a,n.loaded),n.bwEstimate=this.getBwEstimate(),r.bitrateTest?this.bitrateTestDelay=a/1e3:this.bitrateTestDelay=0}},r.ignoreFragment=function(e){return e.type!==w||"initSegment"===e.sn},r.clearTimer=function(){this.timer>-1&&(self.clearInterval(this.timer),this.timer=-1)},r.getAutoLevelKey=function(){return this.getBwEstimate()+"_"+this.getStarvationDelay().toFixed(2)},r.getNextABRAutoLevel=function(){var e=this.fragCurrent,t=this.partCurrent,r=this.hls;if(r.levels.length<=1)return r.loadLevel;var i=r.maxAutoLevel,n=r.config,a=r.minAutoLevel,s=t?t.duration:e?e.duration:0,o=this.getBwEstimate(),l=this.getStarvationDelay(),u=n.abrBandWidthFactor,d=n.abrBandWidthUpFactor;if(l){var h=this.findBestLevel(o,a,i,l,0,u,d);if(h>=0)return this.rebufferNotice=-1,h}var f=s?Math.min(s,n.maxStarvationDelay):n.maxStarvationDelay;if(!l){var c=this.bitrateTestDelay;c&&(f=(s?Math.min(s,n.maxLoadingDelay):n.maxLoadingDelay)-c,this.info("bitrate test took "+Math.round(1e3*c)+"ms, set first fragment max fetchDuration to "+Math.round(1e3*f)+" ms"),u=d=1)}var g=this.findBestLevel(o,a,i,l,f,u,d);if(this.rebufferNotice!==g&&(this.rebufferNotice=g,this.info((l?"rebuffering expected":"buffer is empty")+", optimal quality level "+g)),g>-1)return g;var v=r.levels[a],m=r.loadLevelObj;return m&&(null==v?void 0:v.bitrate)0),f=Math.min(f,t.minHeight),c=Math.min(c,t.minFramerate),g=Math.min(g,t.minBitrate),T.filter((function(e){return t.videoRanges[e]>0})).length>0&&(h=!0)},L=a.length;L--;)S();f=A(f)?f:0,c=A(c)?c:0;var I=Math.max(1080,f),R=Math.max(30,c);g=A(g)?g:r,r=Math.max(g,r),h||(t=void 0);var k=a.length>1;return{codecSet:a.reduce((function(t,i){var n=e[i];if(i===t)return t;if(p=h?T.filter((function(e){return n.videoRanges[e]>0})):[],k){if(n.minBitrate>r)return dt(i,"min bitrate of "+n.minBitrate+" > current estimate of "+r),t;if(!n.hasDefaultAudio)return dt(i,"no renditions with default or auto-select sound found"),t;if(o&&i.indexOf(o.substring(0,4))%5!=0)return dt(i,'audio codec preference "'+o+'" not found'),t;if(s&&!u){if(!n.channels[s])return dt(i,"no renditions with "+s+" channel sound found (channels options: "+Object.keys(n.channels)+")"),t}else if((!o||u)&&d&&0===n.channels[2])return dt(i,"no renditions with stereo sound found"),t;if(n.minHeight>I)return dt(i,"min resolution of "+n.minHeight+" > maximum of "+I),t;if(n.minFramerate>R)return dt(i,"min framerate of "+n.minFramerate+" > maximum of "+R),t;if(!p.some((function(e){return n.videoRanges[e]>0})))return dt(i,"no variants with VIDEO-RANGE of "+ut(p)+" found"),t;if(l&&i.indexOf(l.substring(0,4))%5!=0)return dt(i,'video codec preference "'+l+'" not found'),t;if(n.maxScore=Ue(t)||n.fragmentError>e[t].fragmentError)?t:(v=n.minIndex,m=n.maxScore,i)}),void 0),videoRanges:p,preferHDR:E,minFramerate:c,minBitrate:g,minIndex:v}}(P,I,e,k,b),w=C.codecSet,O=C.videoRanges,x=C.minFramerate,M=C.minBitrate,F=C.minIndex,N=C.preferHDR;_=F,E=w,I=N?O[O.length-1]:O[0],R=x,e=Math.max(e,M),this.log("picked start tier "+ut(C))}else E=null==T?void 0:T.codecSet,I=null==T?void 0:T.videoRange;for(var U,B=c?c.duration:f?f.duration:0,G=this.bwEstimator.getEstimateTTFB()/1e3,K=[],V=function(){var t,o=v[H],f=H>h;if(!o)return 0;if(y.useMediaCapabilities&&!o.supportedResult&&!o.supportedPromise){var g=navigator.mediaCapabilities;"function"==typeof(null==g?void 0:g.decodingInfo)&&function(e,t,r,i,n,a){var s=e.videoCodec,o=e.audioCodec?e.audioGroups:null,l=null==a?void 0:a.audioCodec,u=null==a?void 0:a.channels,d=u?parseInt(u):l?1/0:2,h=null;if(null!=o&&o.length)try{h=1===o.length&&o[0]?t.groups[o[0]].channels:o.reduce((function(e,r){if(r){var i=t.groups[r];if(!i)throw new Error("Audio track group "+r+" not found");Object.keys(i.channels).forEach((function(t){e[t]=(e[t]||0)+i.channels[t]}))}return e}),{2:0})}catch(e){return!0}return void 0!==s&&(s.split(",").some((function(e){return Re(e)}))||e.width>1920&&e.height>1088||e.height>1920&&e.width>1088||e.frameRate>Math.max(i,30)||"SDR"!==e.videoRange&&e.videoRange!==r||e.bitrate>Math.max(n,8e6))||!!h&&A(d)&&Object.keys(h).some((function(e){return parseInt(e)>d}))}(o,D,I,R,e,k)?(o.supportedPromise=ze(o,D,g,l.supportedCache),o.supportedPromise.then((function(e){if(l.hls){o.supportedResult=e;var t=l.hls.levels,r=t.indexOf(o);e.error?l.warn('MediaCapabilities decodingInfo error: "'+e.error+'" for level '+r+" "+ut(e)):e.supported?e.decodingInfoResults.some((function(e){return!1===e.smooth||!1===e.powerEfficient}))&&l.log("MediaCapabilities decodingInfo for level "+r+" not smooth or powerEfficient: "+ut(e)):(l.warn("Unsupported MediaCapabilities decodingInfo result for level "+r+" "+ut(e)),r>-1&&t.length>1&&(l.log("Removing unsupported level "+r),l.hls.removeLevel(r),-1===l.hls.loadLevel&&(l.hls.nextLoadLevel=0)))}})).catch((function(e){l.warn("Error handling MediaCapabilities decodingInfo: "+e)}))):o.supportedResult=Xe}if((E&&o.codecSet!==E||I&&o.videoRange!==I||f&&R>o.frameRate||!f&&R>0&&R=2*B&&0===n?o.averageBitrate:o.maxBitrate,C=l.getTimeToLoadFrag(G,m,P*b,void 0===T);if(m>=P&&(H===d||0===o.loadError&&0===o.fragmentError)&&(C<=G||!A(C)||S&&!l.bitrateTestDelay||C"+H+" adjustedbw("+Math.round(m)+")-bitrate="+Math.round(m-P)+" ttfb:"+G.toFixed(1)+" avgDuration:"+b.toFixed(1)+" maxFetchDuration:"+u.toFixed(1)+" fetchDuration:"+C.toFixed(1)+" firstSelection:"+L+" codecSet:"+o.codecSet+" videoRange:"+o.videoRange+" hls.loadLevel:"+p)),L&&(l.firstSelection=H),{v:H}}},H=r;H>=t;H--)if(0!==(U=V())&&U)return U.v;return-1},r.deriveNextAutoLevel=function(e){var t=this.hls,r=t.maxAutoLevel,i=t.minAutoLevel;return Math.min(Math.max(e,i),r)},i(t,[{key:"firstAutoLevel",get:function(){var e=this.hls,t=e.maxAutoLevel,r=e.minAutoLevel,i=this.getBwEstimate(),n=this.hls.config.maxStarvationDelay,a=this.findBestLevel(i,r,t,0,n,1,1);if(a>-1)return a;var s=this.hls.firstLevel,o=Math.min(Math.max(s,r),t);return this.warn("Could not find best starting auto level. Defaulting to first in playlist "+s+" clamped to "+o),o}},{key:"forcedAutoLevel",get:function(){return this.nextAutoLevelKey?-1:this._nextAutoLevel}},{key:"nextAutoLevel",get:function(){var e=this.forcedAutoLevel,t=this.bwEstimator.canEstimate(),r=this.lastLoadedFragLevel>-1;if(!(-1===e||t&&r&&this.nextAutoLevelKey!==this.getAutoLevelKey()))return e;var i=t&&r?this.getNextABRAutoLevel():this.firstAutoLevel;if(-1!==e){var n=this.hls.levels;if(n.length>Math.max(e,i)&&n[e].loadError<=n[i].loadError)return e}return this._nextAutoLevel=i,this.nextAutoLevelKey=this.getAutoLevelKey(),i},set:function(e){var t=this.deriveNextAutoLevel(e);this._nextAutoLevel!==t&&(this.nextAutoLevelKey="",this._nextAutoLevel=t)}}])}(N),Et=function(e,t){for(var r=0,i=e.length-1,n=null,a=null;r<=i;){var s=t(a=e[n=(r+i)/2|0]);if(s>0)r=n+1;else{if(!(s<0))return a;i=n-1}}return null};function Tt(e,t,r,i,n){void 0===r&&(r=0),void 0===i&&(i=0),void 0===n&&(n=.005);var a=null;if(e){a=t[1+e.sn-t[0].sn]||null;var s=e.endDTS-r;s>0&&s<15e-7&&(r+=15e-7),a&&e.level!==a.level&&a.end<=e.end&&(a=t[2+e.sn-t[0].sn]||null)}else 0===r&&0===t[0].start&&(a=t[0]);if(a&&((!e||e.level===a.level)&&0===St(r,i,a)||function(e,t,r){if(t&&0===t.start&&t.level0){var i=t.tagList.reduce((function(e,t){return"INF"===t[0]&&(e+=parseFloat(t[1])),e}),r);return e.start<=i}return!1}(a,e,Math.min(n,i))))return a;var o=Et(t,St.bind(null,r,i));return!o||o===e&&a?a:o}function St(e,t,r){if(void 0===e&&(e=0),void 0===t&&(t=0),r.start<=e&&r.start+r.duration>e)return 0;var i=Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return r.start+r.duration-i<=e?1:r.start-i>e&&r.start?-1:0}function At(e,t,r){var i=1e3*Math.min(t,r.duration+(r.deltaPTS?r.deltaPTS:0));return(r.endProgramDateTime||0)-i>e}function Lt(e,t,r){if(e&&e.startCC<=t&&e.endCC>=t){var i,n=e.fragments,a=e.fragmentHint;return a&&(n=n.concat(a)),Et(n,(function(e){return e.cct?-1:(i=e,e.end<=r?1:e.start>r?-1:0)})),i||null}return null}function It(e){switch(e.details){case k.FRAG_LOAD_TIMEOUT:case k.KEY_LOAD_TIMEOUT:case k.LEVEL_LOAD_TIMEOUT:case k.MANIFEST_LOAD_TIMEOUT:return!0}return!1}function Rt(e){return e.details.startsWith("key")}function kt(e){return Rt(e)&&!!e.frag&&!e.frag.decryptdata}function bt(e,t){var r=It(t);return e.default[(r?"timeout":"error")+"Retry"]}function Dt(e,t){var r="linear"===e.backoff?1:Math.pow(2,t);return Math.min(r*e.retryDelayMs,e.maxRetryDelayMs)}function _t(e){return d(d({},e),{errorRetry:null,timeoutRetry:null})}function Pt(e,t,r,i){if(!e)return!1;var n=null==i?void 0:i.code,a=t499)}(n)||!!r);return e.shouldRetry?e.shouldRetry(e,t,r,i,a):a}function Ct(e){return 0===e&&!1===navigator.onLine}var wt=0,Ot=2,xt=3,Mt=5,Ft=0,Nt=1,Ut=2,Bt=4,Gt=function(e){function t(t){var r;return(r=e.call(this,"error-controller",t.logger)||this).hls=void 0,r.playlistError=0,r.hls=t,r.registerListeners(),r}o(t,e);var r=t.prototype;return r.registerListeners=function(){var e=this.hls;e.on(b.ERROR,this.onError,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.LEVEL_UPDATED,this.onLevelUpdated,this)},r.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.ERROR,this.onError,this),e.off(b.ERROR,this.onErrorOut,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.LEVEL_UPDATED,this.onLevelUpdated,this))},r.destroy=function(){this.unregisterListeners(),this.hls=null},r.startLoad=function(e){},r.stopLoad=function(){this.playlistError=0},r.getVariantLevelIndex=function(e){return(null==e?void 0:e.type)===w?e.level:this.getVariantIndex()},r.getVariantIndex=function(){var e,t=this.hls,r=t.currentLevel;return null!=(e=t.loadLevelObj)&&e.details||-1===r?t.loadLevel:r},r.variantHasKey=function(e,t){if(e){var r;if(null!=(r=e.details)&&r.hasKey(t))return!0;var i=e.audioGroups;if(i)return this.hls.allAudioTracks.filter((function(e){return i.indexOf(e.groupId)>=0})).some((function(e){var r;return null==(r=e.details)?void 0:r.hasKey(t)}))}return!1},r.onManifestLoading=function(){this.playlistError=0},r.onLevelUpdated=function(){this.playlistError=0},r.onError=function(e,t){var r;if(!t.fatal){var i=this.hls,n=t.context;switch(t.details){case k.FRAG_LOAD_ERROR:case k.FRAG_LOAD_TIMEOUT:case k.KEY_LOAD_ERROR:case k.KEY_LOAD_TIMEOUT:return void(t.errorAction=this.getFragRetryOrSwitchAction(t));case k.FRAG_PARSING_ERROR:if(null!=(r=t.frag)&&r.gap)return void(t.errorAction=Kt());case k.FRAG_GAP:case k.FRAG_DECRYPT_ERROR:return t.errorAction=this.getFragRetryOrSwitchAction(t),void(t.errorAction.action=Ot);case k.LEVEL_EMPTY_ERROR:case k.LEVEL_PARSING_ERROR:var a,s=t.parent===w?t.level:i.loadLevel;return void(t.details===k.LEVEL_EMPTY_ERROR&&null!=(a=t.context)&&null!=(a=a.levelDetails)&&a.live?t.errorAction=this.getPlaylistRetryOrSwitchAction(t,s):(t.levelRetry=!1,t.errorAction=this.getLevelSwitchAction(t,s)));case k.LEVEL_LOAD_ERROR:case k.LEVEL_LOAD_TIMEOUT:return void("number"==typeof(null==n?void 0:n.level)&&(t.errorAction=this.getPlaylistRetryOrSwitchAction(t,n.level)));case k.AUDIO_TRACK_LOAD_ERROR:case k.AUDIO_TRACK_LOAD_TIMEOUT:case k.SUBTITLE_LOAD_ERROR:case k.SUBTITLE_TRACK_LOAD_TIMEOUT:if(n){var o=i.loadLevelObj;if(o&&(n.type===P&&o.hasAudioGroup(n.groupId)||n.type===C&&o.hasSubtitleGroup(n.groupId)))return t.errorAction=this.getPlaylistRetryOrSwitchAction(t,i.loadLevel),t.errorAction.action=Ot,void(t.errorAction.flags=Nt)}return;case k.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED:return void(t.errorAction={action:Ot,flags:Ut});case k.KEY_SYSTEM_SESSION_UPDATE_FAILED:case k.KEY_SYSTEM_STATUS_INTERNAL_ERROR:case k.KEY_SYSTEM_NO_SESSION:return void(t.errorAction={action:Ot,flags:Bt});case k.BUFFER_ADD_CODEC_ERROR:case k.REMUX_ALLOC_ERROR:case k.BUFFER_APPEND_ERROR:var l;return void(t.errorAction||(t.errorAction=this.getLevelSwitchAction(t,null!=(l=t.level)?l:i.loadLevel)));case k.INTERNAL_EXCEPTION:case k.BUFFER_APPENDING_ERROR:case k.BUFFER_FULL_ERROR:case k.LEVEL_SWITCH_ERROR:case k.BUFFER_STALLED_ERROR:case k.BUFFER_SEEK_OVER_HOLE:case k.BUFFER_NUDGE_ON_STALL:return void(t.errorAction=Kt())}t.type===R.KEY_SYSTEM_ERROR&&(t.levelRetry=!1,t.errorAction=Kt())}},r.getPlaylistRetryOrSwitchAction=function(e,t){var r=bt(this.hls.config.playlistLoadPolicy,e),i=this.playlistError++;if(Pt(r,i,It(e),e.response))return{action:Mt,flags:Ft,retryConfig:r,retryCount:i};var n=this.getLevelSwitchAction(e,t);return r&&(n.retryConfig=r,n.retryCount=i),n},r.getFragRetryOrSwitchAction=function(e){var t=this.hls,r=this.getVariantLevelIndex(e.frag),i=t.levels[r],n=t.config,a=n.fragLoadPolicy,s=n.keyLoadPolicy,o=bt(Rt(e)?s:a,e),l=t.levels.reduce((function(e,t){return e+t.fragmentError}),0);if(i&&(e.details!==k.FRAG_GAP&&i.fragmentError++,!kt(e)&&Pt(o,l,It(e),e.response)))return{action:Mt,flags:Ft,retryConfig:o,retryCount:l};var u=this.getLevelSwitchAction(e,r);return o&&(u.retryConfig=o,u.retryCount=l),u},r.getLevelSwitchAction=function(e,t){var r=this.hls;null==t&&(t=r.loadLevel);var i=this.hls.levels[t];if(i){var n,a,s=e.details;i.loadError++,s===k.BUFFER_APPEND_ERROR&&i.fragmentError++;var o=-1,l=r.levels,u=r.loadLevel,d=r.minAutoLevel,h=r.maxAutoLevel;r.autoLevelEnabled||r.config.preserveManualLevelOnError||(r.loadLevel=-1);for(var f,c=null==(n=e.frag)?void 0:n.type,g=(c===O&&s===k.FRAG_PARSING_ERROR||"audio"===e.sourceBufferName&&(s===k.BUFFER_ADD_CODEC_ERROR||s===k.BUFFER_APPEND_ERROR))&&l.some((function(e){var t=e.audioCodec;return i.audioCodec!==t})),v="video"===e.sourceBufferName&&(s===k.BUFFER_ADD_CODEC_ERROR||s===k.BUFFER_APPEND_ERROR)&&l.some((function(e){var t=e.codecSet,r=e.audioCodec;return i.codecSet!==t&&i.audioCodec===r})),m=null!=(a=e.context)?a:{},p=m.type,y=m.groupId,E=function(){var t=(T+u)%l.length;if(t!==u&&t>=d&&t<=h&&0===l[t].loadError){var r,n,a=l[t];if(s===k.FRAG_GAP&&c===w&&e.frag){var f=l[t].details;if(f){var m=Tt(e.frag,f.fragments,e.frag.start);if(null!=m&&m.gap)return 0}}else{if(p===P&&a.hasAudioGroup(y)||p===C&&a.hasSubtitleGroup(y))return 0;if(c===O&&null!=(r=i.audioGroups)&&r.some((function(e){return a.hasAudioGroup(e)}))||c===x&&null!=(n=i.subtitleGroups)&&n.some((function(e){return a.hasSubtitleGroup(e)}))||g&&i.audioCodec===a.audioCodec||v&&i.codecSet===a.codecSet||!g&&i.codecSet!==a.codecSet)return 0}return o=t,1}},T=l.length;T--&&(0===(f=E())||1!==f););if(o>-1&&r.loadLevel!==o)return e.levelRetry=!0,this.playlistError=0,{action:Ot,flags:Ft,nextAutoLevel:o}}return{action:Ot,flags:Nt}},r.onErrorOut=function(e,t){var r;switch(null==(r=t.errorAction)?void 0:r.action){case wt:break;case Ot:this.sendAlternateToPenaltyBox(t),t.errorAction.resolved||t.details===k.FRAG_GAP?/MediaSource readyState: ended/.test(t.error.message)&&(this.warn('MediaSource ended after "'+t.sourceBufferName+'" sourceBuffer append error. Attempting to recover from media error.'),this.hls.recoverMediaError()):t.fatal=!0}t.fatal&&this.hls.stopLoad()},r.sendAlternateToPenaltyBox=function(e){var t=this.hls,r=e.errorAction;if(r){var i=r.flags,n=r.nextAutoLevel;switch(i){case Ft:this.switchLevel(e,n);break;case Ut:var a=this.getVariantLevelIndex(e.frag),s=t.levels[a],o=null==s?void 0:s.attrs["HDCP-LEVEL"];if(r.hdcpLevel=o,"NONE"===o)this.warn("HDCP policy resticted output with HDCP-LEVEL=NONE");else if(o){t.maxHdcpLevel=Je[Je.indexOf(o)-1],r.resolved=!0,this.warn('Restricting playback to HDCP-LEVEL of "'+t.maxHdcpLevel+'" or lower');break}case Bt:var l=e.decryptdata;if(l){for(var u=this.hls.levels,d=u.length,h=d;h--;){var f,c;this.variantHasKey(u[h],l)&&(this.log("Banned key found in level "+h+" ("+u[h].bitrate+'bps) or audio group "'+(null==(f=u[h].audioGroups)?void 0:f.join(","))+'" ('+(null==(c=e.frag)?void 0:c.type)+" fragment) "+X(l.keyId||[])),u[h].fragmentError++,u[h].loadError++,this.log("Removing level "+h+" with key error ("+e.error+")"),this.hls.removeLevel(h))}var g=e.frag;if(this.hls.levels.length=o.body.sn))if(o.buffered||o.loaded&&!n){var l=o.range[e];l&&(0!==l.time.length?l.time.some((function(e){var r=!a.isTimeBuffered(e.startPTS,e.endPTS,t);return r&&a.removeFragment(o.body),r})):a.removeFragment(o.body))}else o.body.type===r&&a.removeFragment(o.body)}))},t.detectPartialFragments=function(e){var t=this,r=this.timeRanges;if(r&&"initSegment"!==e.frag.sn){var i=e.frag,n=Xt(i),a=this.fragments[n];if(!(!a||a.buffered&&i.gap)){var s=!i.relurl;Object.keys(r).forEach((function(n){var o=i.elementaryStreams[n];if(o){var l=r[n],u=s||!0===o.partial;a.range[n]=t.getBufferedTimes(i,e.part,u,l)}})),a.loaded=null,Object.keys(a.range).length?(this.bufferedEnd(a,i),qt(a)||this.removeParts(i.sn-1,i.type)):this.removeFragment(a.body)}}},t.bufferedEnd=function(e,t){e.buffered=!0,(e.body.endList=t.endList||e.body.endList)&&(this.endListFragments[e.body.type]=e)},t.removeParts=function(e,t){var r=this.activePartLists[t];r&&(this.activePartLists[t]=Qt(r,(function(t){return t.fragment.sn>=e})))},t.fragBuffered=function(e,t){var r=Xt(e),i=this.fragments[r];!i&&t&&(i=this.fragments[r]={body:e,appendedPTS:null,loaded:null,buffered:!1,range:Object.create(null)},e.gap&&(this.hasGaps=!0)),i&&(i.loaded=null,this.bufferedEnd(i,e))},t.getBufferedTimes=function(e,t,r,i){for(var n={time:[],partial:r},a=e.start,s=e.end,o=e.minEndPTS||s,l=e.maxStartPTS||a,u=0;u=d&&o<=h){n.time.push({startPTS:Math.max(a,i.start(u)),endPTS:Math.min(s,i.end(u))});break}if(ad){var f=Math.max(a,i.start(u)),c=Math.min(s,i.end(u));c>f&&(n.partial=!0,n.time.push({startPTS:f,endPTS:c}))}else if(s<=d)break}return n},t.getPartialFragment=function(e){var t,r,i,n=null,a=0,s=this.bufferPadding,o=this.fragments;return Object.keys(o).forEach((function(l){var u=o[l];u&&qt(u)&&(r=u.body.start-s,i=u.body.end+s,e>=r&&e<=i&&(t=Math.min(e-r,i-e),a<=t&&(n=u.body,a=t)))})),n},t.isEndListAppended=function(e){var t=this.endListFragments[e];return void 0!==t&&(t.buffered||qt(t))},t.getState=function(e){var t=Xt(e),r=this.fragments[t];return r?r.buffered?qt(r)?Yt:Wt:Ht:Vt},t.isTimeBuffered=function(e,t,r){for(var i,n,a=0;a=i&&t<=n)return!0;if(t<=i)return!1}return!1},t.onManifestLoading=function(){this.removeAllFragments()},t.onFragLoaded=function(e,t){if("initSegment"!==t.frag.sn&&!t.frag.bitrateTest){var r=t.frag,i=t.part?null:t,n=Xt(r);this.fragments[n]={body:r,appendedPTS:null,loaded:i,buffered:!1,range:Object.create(null)}}},t.onBufferAppended=function(e,t){var r=t.frag,i=t.part,n=t.timeRanges,a=t.type;if("initSegment"!==r.sn){var s=r.type;if(i){var o=this.activePartLists[s];o||(this.activePartLists[s]=o=[]),o.push(i)}this.timeRanges=n;var l=n[a];this.detectEvictedFragments(a,l,s,i)}},t.onFragBuffered=function(e,t){this.detectPartialFragments(t)},t.hasFragment=function(e){var t=Xt(e);return!!this.fragments[t]},t.hasFragments=function(e){var t=this.fragments,r=Object.keys(t);if(!e)return r.length>0;for(var i=r.length;i--;){var n=t[r[i]];if((null==n?void 0:n.body.type)===e)return!0}return!1},t.hasParts=function(e){var t;return!(null==(t=this.activePartLists[e])||!t.length)},t.removeFragmentsInRange=function(e,t,r,i,n){var a=this;i&&!this.hasGaps||Object.keys(this.fragments).forEach((function(s){var o=a.fragments[s];if(o){var l=o.body;l.type!==r||i&&!l.gap||l.starte&&(o.buffered||n)&&a.removeFragment(l)}}))},t.removeFragment=function(e){var t=Xt(e);e.clearElementaryStreamInfo();var r=this.activePartLists[e.type];if(r){var i=e.sn;this.activePartLists[e.type]=Qt(r,(function(e){return e.fragment.sn!==i}))}delete this.fragments[t],e.endList&&delete this.endListFragments[e.type]},t.removeAllFragments=function(){var e;this.fragments=Object.create(null),this.endListFragments=Object.create(null),this.activePartLists=Object.create(null),this.hasGaps=!1;var t=null==(e=this.hls)||null==(e=e.latestLevelDetails)?void 0:e.partList;t&&t.forEach((function(e){return e.clearElementaryStreamInfo()}))},e}();function qt(e){var t,r,i;return e.buffered&&!!(e.body.gap||null!=(t=e.range.video)&&t.partial||null!=(r=e.range.audio)&&r.partial||null!=(i=e.range.audiovideo)&&i.partial)}function Xt(e){return e.type+"_"+e.level+"_"+e.sn}function Qt(e,t){return e.filter((function(e){var r=t(e);return r||e.clearElementaryStreamInfo(),r}))}var zt=0,$t=1,Zt=function(){function e(e,t,r){this.subtle=void 0,this.aesIV=void 0,this.aesMode=void 0,this.subtle=e,this.aesIV=t,this.aesMode=r}return e.prototype.decrypt=function(e,t){switch(this.aesMode){case zt:return this.subtle.decrypt({name:"AES-CBC",iv:this.aesIV},t,e);case $t:return this.subtle.decrypt({name:"AES-CTR",counter:this.aesIV,length:64},t,e);default:throw new Error("[AESCrypto] invalid aes mode "+this.aesMode)}},e}(),Jt=function(){function e(){this.rcon=[0,1,2,4,8,16,32,64,128,27,54],this.subMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.invSubMix=[new Uint32Array(256),new Uint32Array(256),new Uint32Array(256),new Uint32Array(256)],this.sBox=new Uint32Array(256),this.invSBox=new Uint32Array(256),this.key=new Uint32Array(0),this.ksRows=0,this.keySize=0,this.keySchedule=void 0,this.invKeySchedule=void 0,this.initTable()}var t=e.prototype;return t.uint8ArrayToUint32Array_=function(e){for(var t=new DataView(e),r=new Uint32Array(4),i=0;i<4;i++)r[i]=t.getUint32(4*i);return r},t.initTable=function(){var e=this.sBox,t=this.invSBox,r=this.subMix,i=r[0],n=r[1],a=r[2],s=r[3],o=this.invSubMix,l=o[0],u=o[1],d=o[2],h=o[3],f=new Uint32Array(256),c=0,g=0,v=0;for(v=0;v<256;v++)f[v]=v<128?v<<1:v<<1^283;for(v=0;v<256;v++){var m=g^g<<1^g<<2^g<<3^g<<4;m=m>>>8^255&m^99,e[c]=m,t[m]=c;var p=f[c],y=f[p],E=f[y],T=257*f[m]^16843008*m;i[c]=T<<24|T>>>8,n[c]=T<<16|T>>>16,a[c]=T<<8|T>>>24,s[c]=T,T=16843009*E^65537*y^257*p^16843008*c,l[m]=T<<24|T>>>8,u[m]=T<<16|T>>>16,d[m]=T<<8|T>>>24,h[m]=T,c?(c=p^f[f[f[E^p]]],g^=f[f[g]]):c=g=1}},t.expandKey=function(e){for(var t=this.uint8ArrayToUint32Array_(e),r=!0,i=0;i1&&this.tickImmediate(),this._tickCallCount=0)},r.tickImmediate=function(){this.clearNextTick(),this._tickTimer=self.setTimeout(this._boundTick,0)},r.doTick=function(){},t}(N),lr=function(e,t,r,i,n,a){void 0===i&&(i=0),void 0===n&&(n=-1),void 0===a&&(a=!1),this.level=void 0,this.sn=void 0,this.part=void 0,this.id=void 0,this.size=void 0,this.partial=void 0,this.transmuxing={start:0,executeStart:0,executeEnd:0,end:0},this.buffering={audio:{start:0,executeStart:0,executeEnd:0,end:0},video:{start:0,executeStart:0,executeEnd:0,end:0},audiovideo:{start:0,executeStart:0,executeEnd:0,end:0}},this.level=e,this.sn=t,this.id=r,this.size=i,this.part=n,this.partial=a},ur={length:0,start:function(){return 0},end:function(){return 0}},dr=function(){function e(){}return e.isBuffered=function(t,r){if(t)for(var i=e.getBuffered(t),n=i.length;n--;)if(r>=i.start(n)&&r<=i.end(n))return!0;return!1},e.bufferedRanges=function(t){if(t){var r=e.getBuffered(t);return e.timeRangesToArray(r)}return[]},e.timeRangesToArray=function(e){for(var t=[],r=0;r1&&e.sort((function(e,t){return e.start-t.start||t.end-e.end}));var i=-1,n=[];if(r)for(var a=0;a=e[a].start&&t<=e[a].end&&(i=a);var s=n.length;if(s){var o=n[s-1].end;e[a].start-oo&&(n[s-1].end=e[a].end):n.push(e[a])}else n.push(e[a])}else n=e;for(var l,u=0,d=t,h=t,f=0;f=c&&t<=g&&(i=f),t+r>=c&&tNumber.MAX_SAFE_INTEGER?1/0:t},t.hexadecimalInteger=function(e){if(this[e]){var t=(this[e]||"0x").slice(2);t=(1&t.length?"0":"")+t;for(var r=new Uint8Array(t.length/2),i=0;iNumber.MAX_SAFE_INTEGER?1/0:t},t.decimalFloatingPoint=function(e){return parseFloat(this[e])},t.optionalFloat=function(e,t){var r=this[e];return r?parseFloat(r):t},t.enumeratedString=function(e){return this[e]},t.enumeratedStringList=function(e,t){var r=this[e];return(r?r.split(/[ ,]+/):[]).reduce((function(e,t){return e[t.toLowerCase()]=!0,e}),t)},t.bool=function(e){return"YES"===this[e]},t.decimalResolution=function(e){var t=mr.exec(this[e]);if(null!==t)return{width:parseInt(t[1],10),height:parseInt(t[2],10)}},e.parseAttrList=function(e,t){var r,i={};for(pr.lastIndex=0;null!==(r=pr.exec(e));){var n=r[1].trim(),a=r[2],s=0===a.indexOf('"')&&a.lastIndexOf('"')===a.length-1,o=!1;if(s)a=a.slice(1,-1);else switch(n){case"IV":case"SCTE35-CMD":case"SCTE35-IN":case"SCTE35-OUT":o=!0}if(t&&(s||o))a=cr(t,a);else if(!o&&!s)switch(n){case"CLOSED-CAPTIONS":if("NONE"===a)break;case"ALLOWED-CPC":case"CLASS":case"ASSOC-LANGUAGE":case"AUDIO":case"BYTERANGE":case"CHANNELS":case"CHARACTERISTICS":case"CODECS":case"DATA-ID":case"END-DATE":case"GROUP-ID":case"ID":case"IMPORT":case"INSTREAM-ID":case"KEYFORMAT":case"KEYFORMATVERSIONS":case"LANGUAGE":case"NAME":case"PATHWAY-ID":case"QUERYPARAM":case"RECENTLY-REMOVED-DATERANGES":case"SERVER-URI":case"STABLE-RENDITION-ID":case"STABLE-VARIANT-ID":case"START-DATE":case"SUBTITLES":case"SUPPLEMENTAL-CODECS":case"URI":case"VALUE":case"VIDEO":case"X-ASSET-LIST":case"X-ASSET-URI":Y.warn(e+": attribute "+n+" is missing quotes")}i[n]=a}return i},i(e,[{key:"clientAttrs",get:function(){return Object.keys(this).filter((function(e){return"X-"===e.substring(0,2)}))}}])}();function Er(e){return"SCTE35-OUT"===e||"SCTE35-IN"===e||"SCTE35-CMD"===e}var Tr=function(){return i((function(e,t,r){var i;if(void 0===r&&(r=0),this.attr=void 0,this.tagAnchor=void 0,this.tagOrder=void 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0===e?this._cue=this.attr.enumeratedStringList(this.attr.CUE?"CUE":"X-CUE",{pre:!1,post:!1,once:!1}):e}},{key:"startTime",get:function(){var e=this.tagAnchor;return null===e||null===e.programDateTime?(Y.warn('Expected tagAnchor Fragment with PDT set for DateRange "'+this.id+'": '+e),NaN):e.start+(this.startDate.getTime()-e.programDateTime)/1e3}},{key:"startDate",get:function(){return this._startDate}},{key:"endDate",get:function(){var e=this._endDate||this._dateAtEnd;if(e)return e;var t=this.duration;return null!==t?this._dateAtEnd=new Date(this._startDate.getTime()+1e3*t):null}},{key:"duration",get:function(){if("DURATION"in this.attr){var e=this.attr.decimalFloatingPoint("DURATION");if(A(e))return e}else if(this._endDate)return(this._endDate.getTime()-this._startDate.getTime())/1e3;return null}},{key:"plannedDuration",get:function(){return"PLANNED-DURATION"in this.attr?this.attr.decimalFloatingPoint("PLANNED-DURATION"):null}},{key:"endOnNext",get:function(){return this.attr.bool("END-ON-NEXT")}},{key:"isInterstitial",get:function(){return"com.apple.hls.interstitial"===this.class}},{key:"isValid",get:function(){return!!this.id&&!this._badValueForSameId&&A(this.startDate.getTime())&&(null===this.duration||this.duration>=0)&&(!this.endOnNext||!!this.class)&&(!this.attr.CUE||!this.cue.pre&&!this.cue.post||this.cue.pre!==this.cue.post)&&(!this.isInterstitial||"X-ASSET-URI"in this.attr||"X-ASSET-LIST"in this.attr)}}])}(),Sr=function(){function e(e){this.PTSKnown=!1,this.alignedSliding=!1,this.averagetargetduration=void 0,this.endCC=0,this.endSN=0,this.fragments=void 0,this.fragmentHint=void 0,this.partList=null,this.dateRanges=void 0,this.dateRangeTagCount=0,this.live=!0,this.requestScheduled=-1,this.ageHeader=0,this.advancedDateTime=void 0,this.updated=!0,this.advanced=!0,this.misses=0,this.startCC=0,this.startSN=0,this.startTimeOffset=null,this.targetduration=0,this.totalduration=0,this.type=null,this.url=void 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t=this.lastPartSn-e.lastPartSn,r=this.lastPartIndex-e.lastPartIndex;this.updated=this.endSN!==e.endSN||!!r||!!t||!this.live,this.advanced=this.endSN>e.endSN||t>0||0===t&&r>0,this.updated||this.advanced?this.misses=Math.floor(.6*e.misses):this.misses=e.misses+1},t.hasKey=function(e){return this.encryptedFragments.some((function(t){var r=t.decryptdata;return r||(t.setKeyFormat(e.keyFormat),r=t.decryptdata),!!r&&e.matches(r)}))},i(e,[{key:"hasProgramDateTime",get:function(){return!!this.fragments.length&&A(this.fragments[this.fragments.length-1].programDateTime)}},{key:"levelTargetDuration",get:function(){return this.averagetargetduration||this.targetduration||10}},{key:"drift",get:function(){var e=this.driftEndTime-this.driftStartTime;return e>0?1e3*(this.driftEnd-this.driftStart)/e:1}},{key:"edge",get:function(){return this.partEnd||this.fragmentEnd}},{key:"partEnd",get:function(){var e;return null!=(e=this.partList)&&e.length?this.partList[this.partList.length-1].end:this.fragmentEnd}},{key:"fragmentEnd",get:function(){return this.fragments.length?this.fragments[this.fragments.length-1].end:0}},{key:"fragmentStart",get:function(){return this.fragments.length?this.fragments[0].start:0}},{key:"age",get:function(){return this.advancedDateTime?Math.max(Date.now()-this.advancedDateTime,0)/1e3:0}},{key:"lastPartIndex",get:function(){var e;return null!=(e=this.partList)&&e.length?this.partList[this.partList.length-1].index:-1}},{key:"maxPartIndex",get:function(){var e=this.partList;if(e){var t=this.lastPartIndex;if(-1!==t){for(var r=e.length;r--;)if(e[r].index>t)return e[r].index;return t}}return 0}},{key:"lastPartSn",get:function(){var e;return null!=(e=this.partList)&&e.length?this.partList[this.partList.length-1].fragment.sn:this.endSN}},{key:"expired",get:function(){if(this.live&&this.age&&this.misses<3){var e=this.partEnd-this.fragmentStart;return 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t=Object.keys(Vr).length%Number.MAX_SAFE_INTEGER,r=new Uint8Array(16);return new DataView(r.buffer,12,4).setUint32(0,t),Vr[e]=r,r};var t=e.prototype;return t.matches=function(e){return e.uri===this.uri&&e.method===this.method&&e.encrypted===this.encrypted&&e.keyFormat===this.keyFormat&&Ar(e.keyFormatVersions,this.keyFormatVersions)&&Lr(e.iv,this.iv)&&Lr(e.keyId,this.keyId)},t.isSupported=function(){if(this.method){if(Ir(this.method)||"NONE"===this.method)return!0;if("identity"===this.keyFormat)return"SAMPLE-AES"===this.method;switch(this.keyFormat){case Or:case Mr:case xr:case wr:return-1!==["SAMPLE-AES","SAMPLE-AES-CENC","SAMPLE-AES-CTR"].indexOf(this.method)}}return!1},t.getDecryptData=function(t,r){if(!this.encrypted||!this.uri)return null;if(Ir(this.method)){var i=this.iv;return i||("number"!=typeof t&&(Y.warn('missing IV for initialization segment with method="'+this.method+'" - compliance issue'),t=0),i=function(e){for(var t=new 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N=x.enumeratedString("RECENTLY-REMOVED-DATERANGES");N&&(c.recentlyRemovedDateranges=(c.recentlyRemovedDateranges||[]).concat(N.split("\t")));break;case"TARGETDURATION":0!==c.targetduration&&si(c,C,l),c.targetduration=Math.max(parseInt(w),1);break;case"VERSION":null!==c.version&&si(c,C,l),c.version=parseInt(w);break;case"INDEPENDENT-SEGMENTS":break;case"ENDLIST":c.live||si(c,C,l),c.live=!1;break;case"#":(w||O)&&I.tagList.push(O?[w,O]:[w]);break;case"DISCONTINUITY":T++,I.tagList.push(["DIS"]);break;case"GAP":I.gap=!0,I.tagList.push([C]);break;case"BITRATE":I.tagList.push([C,w]),S=1e3*parseInt(w),A(S)?I.bitrate=S:S=0;break;case"DATERANGE":var U=new yr(w,c),B=new Tr(U,c.dateRanges[U.ID],c.dateRangeTagCount);c.dateRangeTagCount++,B.isValid||c.skippedSegments?c.dateRanges[B.id]=B:Y.warn('Ignoring invalid DATERANGE tag: "'+w+'"'),I.tagList.push(["EXT-X-DATERANGE",w]);break;case"DEFINE":var G=new yr(w,c);"IMPORT"in G?vr(c,G,s):gr(c,G,t);break;case"DISCONTINUITY-SEQUENCE":0!==c.startCC?si(c,C,l):g.length>0&&oi(c,C,l),c.startCC=T=parseInt(w);break;case"KEY":var K=Jr(w,t,c);if(K.isSupported()){if("NONE"===K.method){d=void 0;break}d||(d={});var V=d[K.keyFormat];null!=V&&V.matches(K)||(V&&(d=a({},d)),d[K.keyFormat]=K)}else Y.warn('[Keys] Ignoring unsupported EXT-X-KEY tag: "'+w+'"');break;case"START":c.startTimeOffset=ei(w);break;case"MAP":var H=new yr(w,c);if(I.duration){var W=new re(i,f);ni(W,H,r,d),m=W,I.initSegment=m,m.rawProgramDateTime&&!I.rawProgramDateTime&&(I.rawProgramDateTime=m.rawProgramDateTime)}else{var j=I.byteRangeEndOffset;if(j){var q=I.byteRangeStartOffset;b=j-q+"@"+q}else b=null;ni(I,H,r,d),m=I,k=!0}m.cc=T;break;case"SERVER-CONTROL":h&&si(c,C,l),h=new yr(w),c.canBlockReload=h.bool("CAN-BLOCK-RELOAD"),c.canSkipUntil=h.optionalFloat("CAN-SKIP-UNTIL",0),c.canSkipDateRanges=c.canSkipUntil>0&&h.bool("CAN-SKIP-DATERANGES"),c.partHoldBack=h.optionalFloat("PART-HOLD-BACK",0),c.holdBack=h.optionalFloat("HOLD-BACK",0);break;case"PART-INF":c.partTarget&&si(c,C,l);var X=new yr(w);c.partTarget=X.decimalFloatingPoint("PART-TARGET");break;case"PART":var Q=c.partList;Q||(Q=c.partList=[]);var z=y>0?Q[Q.length-1]:void 0,$=y++,Z=new yr(w,c),J=new ie(Z,I,f,$,z);Q.push(J),I.duration+=J.duration;break;case"PRELOAD-HINT":var ee=new yr(w,c);c.preloadHint=ee;break;case"RENDITION-REPORT":var te=new yr(w,c);c.renditionReports=c.renditionReports||[],c.renditionReports.push(te);break;default:Y.warn("line parsed but not handled: "+l)}}}L&&!L.relurl?(g.pop(),E-=L.duration,c.partList&&(c.fragmentHint=L)):c.partList&&(ii(I,L,v),I.cc=T,c.fragmentHint=I,d&&ai(I,d,c)),c.targetduration||(c.playlistParsingError=new Error("Missing Target Duration"));var ne=g.length,ae=g[0],se=g[ne-1];if((E+=c.skippedSegments*c.targetduration)>0&&ne&&se){c.averagetargetduration=E/ne;var oe=se.sn;c.endSN="initSegment"!==oe?oe:0,c.live||(se.endList=!0),R>0&&(function(e,t){for(var r=e[t],i=t;i--;){var n=e[i];if(!n)return;n.programDateTime=r.programDateTime-1e3*n.duration,r=n}}(g,R),ae&&v.unshift(ae))}return c.fragmentHint&&(E+=c.fragmentHint.duration),c.totalduration=E,v.length&&c.dateRangeTagCount&&ae&&$r(v,c),c.endCC=T,c},e}();function $r(e,t){var r=e.length;if(!r){if(!t.hasProgramDateTime)return;var i=t.fragments[t.fragments.length-1];e.push(i),r++}for(var n=e[r-1],a=t.live?1/0:t.totalduration,s=Object.keys(t.dateRanges),o=s.length;o--;){var l=t.dateRanges[s[o]],u=l.startDate.getTime();l.tagAnchor=n.ref;for(var d=r;d--;){var h;if((null==(h=e[d])?void 0:h.sn)=o||0===i)&&t<=o+1e3*(((null==(s=r[i+1])?void 0:s.start)||n)-a.start)){var l=r[i].sn-e.startSN;if(l<0)return-1;var u=e.fragments;if(u.length>r.length)for(var d=(r[i+1]||u[u.length-1]).sn-e.startSN;d>l;d--){var h=u[d].programDateTime;if(t>=h&&te.sn?(n=r-e.start,i=e):(n=e.start-r,i=t),i.duration!==n&&i.setDuration(n)}else t.sn>e.sn?e.cc===t.cc&&e.minEndPTS?t.setStart(e.start+(e.minEndPTS-e.start)):t.setStart(e.start+e.duration):t.setStart(Math.max(e.start-t.duration,0))}function ui(e,t,r,i,n,a,s){i-r<=0&&(s.warn("Fragment should have a positive duration",t),i=r+t.duration,a=n+t.duration);var o=r,l=i,u=t.startPTS,d=t.endPTS;if(A(u)){var h=Math.abs(u-r);e&&h>e.totalduration?s.warn("media timestamps and playlist times differ by "+h+"s for level "+t.level+" "+e.url):A(t.deltaPTS)?t.deltaPTS=Math.max(h,t.deltaPTS):t.deltaPTS=h,o=Math.max(r,u),r=Math.min(r,u),n=void 0!==t.startDTS?Math.min(n,t.startDTS):n,l=Math.min(i,d),i=Math.max(i,d),a=void 0!==t.endDTS?Math.max(a,t.endDTS):a}var f=r-t.start;0!==t.start&&t.setStart(r),t.setDuration(i-t.start),t.startPTS=r,t.maxStartPTS=o,t.startDTS=n,t.endPTS=i,t.minEndPTS=l,t.endDTS=a;var c,g=t.sn;if(!e||ge.endSN)return 0;var v=g-e.startSN,m=e.fragments;for(m[v]=t,c=v;c>0;c--)li(m[c],m[c-1]);for(c=v;c=0;o--){var l=s[o].initSegment;if(l){n=l;break}}e.fragmentHint&&delete e.fragmentHint.endPTS,function(e,t,r){for(var i=t.skippedSegments,n=Math.max(e.startSN,t.startSN)-t.startSN,a=(e.fragmentHint?1:0)+(i?t.endSN:Math.min(e.endSN,t.endSN))-t.startSN,s=t.startSN-e.startSN,o=t.fragmentHint?t.fragments.concat(t.fragmentHint):t.fragments,l=e.fragmentHint?e.fragments.concat(e.fragmentHint):e.fragments,u=n;u<=a;u++){var d=l[s+u],h=o[u];if(i&&!h&&d&&(h=t.fragments[u]=d),d&&h){r(d,h,u,o);var f=d.relurl,c=h.relurl;if(f&&Ei(f,c))return void(t.playlistParsingError=hi("media sequence mismatch "+h.sn+":",e,t,0,h));if(d.cc!==h.cc)return void(t.playlistParsingError=hi("discontinuity sequence mismatch ("+d.cc+"!="+h.cc+")",e,t,0,h))}}}(e,t,(function(e,r,a,s){if((!t.startCC||t.skippedSegments)&&r.cc!==e.cc){for(var o=e.cc-r.cc,l=a;l=0,s=0;if(a&&it){var n=1e3*i[i.length-1].duration;ne.startCC)}(t,e)){var r=Math.min(t.endCC,e.endCC),i=Si(t.fragments,r),n=Si(e.fragments,r);i&&n&&(Y.log("Aligning playlist at start of dicontinuity sequence "+r),Li(i.start-n.start,e))}}function Ri(e,t){if(e.hasProgramDateTime&&t.hasProgramDateTime){var r=e.fragments,i=t.fragments;if(r.length&&i.length){var n,a,s=Math.min(t.endCC,e.endCC);t.startCCl.end){var c=o>f;(os.lastCurrentTime&&(s.lastCurrentTime=o),!s.loadingParts)){var g=Math.max(l.end,o),v=s.shouldLoadParts(s.getLevelDetails(),g);v&&(s.log("LL-Part loading ON after seeking to "+o.toFixed(2)+" with buffer @"+g.toFixed(2)),s.loadingParts=v)}s.hls.hasEnoughToStart||(s.log("Setting "+(u?"startPosition":"nextLoadPosition")+" to "+o+" for seek without enough to start"),s.nextLoadPosition=o,u&&(s.startPosition=o)),u&&s.state===_i.IDLE&&s.tickImmediate()},s.onMediaEnded=function(){s.log("setting startPosition to 0 because media ended"),s.startPosition=s.lastCurrentTime=0},s.playlistType=a,s.hls=t,s.fragmentLoader=new ir(t.config),s.keyLoader=i,s.fragmentTracker=r,s.config=t.config,s.decrypter=new tr(t.config),s}o(t,e);var r=t.prototype;return r.registerListeners=function(){var e=this.hls;e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(b.ERROR,this.onError,this)},r.unregisterListeners=function(){var e=this.hls;e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(b.ERROR,this.onError,this)},r.doTick=function(){this.onTickEnd()},r.onTickEnd=function(){},r.startLoad=function(e){},r.stopLoad=function(){if(this.state!==_i.STOPPED){this.fragmentLoader.abort(),this.keyLoader.abort(this.playlistType);var e=this.fragCurrent;null!=e&&e.loader&&(e.abortRequests(),this.fragmentTracker.removeFragment(e)),this.resetTransmuxer(),this.fragCurrent=null,this.fragPrevious=null,this.clearInterval(),this.clearNextTick(),this.state=_i.STOPPED}},r.pauseBuffering=function(){this.buffering=!1},r.resumeBuffering=function(){this.buffering=!0},r._streamEnded=function(e,t){if(t.live||!this.media)return!1;var r=e.end||0,i=this.config.timelineOffset||0;if(r<=i)return!1;var n=e.buffered;this.config.maxBufferHole&&n&&n.length>1&&(e=dr.bufferedInfo(n,e.start,0));var a=e.nextStart;if(a&&a>i&&a0&&null!=a&&a.key&&a.iv&&Ir(a.method)){var s=self.performance.now();return r.decrypter.decrypt(new Uint8Array(n),a.key.buffer,a.iv.buffer,Rr(a.method)).catch((function(e){throw t.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_DECRYPT_ERROR,fatal:!1,error:e,reason:e.message,frag:i}),e})).then((function(n){var a=self.performance.now();return t.trigger(b.FRAG_DECRYPTED,{frag:i,payload:n,stats:{tstart:s,tdecrypt:a}}),e.payload=n,r.completeInitSegmentLoad(e)}))}return r.completeInitSegmentLoad(e)})).catch((function(t){r.state!==_i.STOPPED&&r.state!==_i.ERROR&&(r.warn(t),r.resetFragmentLoading(e))}))},r.completeInitSegmentLoad=function(e){if(!this.levels)throw new Error("init load aborted, missing levels");var t=e.frag.stats;this.state!==_i.STOPPED&&(this.state=_i.IDLE),e.frag.data=new Uint8Array(e.payload),t.parsing.start=t.buffering.start=self.performance.now(),t.parsing.end=t.buffering.end=self.performance.now(),this.tick()},r.unhandledEncryptionError=function(e,t){var r,i,n=e.tracks;if(n&&!t.encrypted&&(null!=(r=n.audio)&&r.encrypted||null!=(i=n.video)&&i.encrypted)&&(!this.config.emeEnabled||!this.keyLoader.emeController)){var a=this.media,s=new Error("Encrypted track with no key in "+this.fragInfo(t)+" (media "+(a?"attached mediaKeys: "+a.mediaKeys:"detached")+")");return this.warn(s.message),!(!a||a.mediaKeys)&&(this.hls.trigger(b.ERROR,{type:R.KEY_SYSTEM_ERROR,details:k.KEY_SYSTEM_NO_KEYS,fatal:!1,error:s,frag:t}),this.resetTransmuxer(),!0)}return!1},r.fragContextChanged=function(e){var t=this.fragCurrent;return!e||!t||e.sn!==t.sn||e.level!==t.level},r.fragBufferedComplete=function(e,t){var r=this.mediaBuffer?this.mediaBuffer:this.media;if(this.log("Buffered "+e.type+" sn: "+e.sn+(t?" part: "+t.index:"")+" of "+this.fragInfo(e,!1,t)+" > buffer:"+(r?Di(dr.getBuffered(r)):"(detached)")+")"),te(e)){var i;if(e.type!==x){var n=e.elementaryStreams;if(!Object.keys(n).some((function(e){return!!n[e]})))return void(this.state=_i.IDLE)}var a=null==(i=this.levels)?void 0:i[e.level];null!=a&&a.fragmentError&&(this.log("Resetting level fragment error count of "+a.fragmentError+" on frag buffered"),a.fragmentError=0)}this.state=_i.IDLE},r._handleFragmentLoadComplete=function(e){var t=this.transmuxer;if(t){var r=e.frag,i=e.part,n=e.partsLoaded,a=!n||0===n.length||n.some((function(e){return!e})),s=new lr(r.level,r.sn,r.stats.chunkCount+1,0,i?i.index:-1,!a);t.flush(s)}},r._handleFragmentLoadProgress=function(e){},r._doFragLoad=function(e,t,r,i){var n,a=this;void 0===r&&(r=null),this.fragCurrent=e;var s=t.details;if(!this.levels||!s)throw new Error("frag load aborted, missing level"+(s?"":" detail")+"s");var o=null;if(!e.encrypted||null!=(n=e.decryptdata)&&n.key)e.encrypted||(o=this.keyLoader.loadClear(e,s.encryptedFragments,this.startFragRequested))&&this.log("[eme] blocking frag load until media-keys acquired");else if(this.log("Loading key for "+e.sn+" of ["+s.startSN+"-"+s.endSN+"], "+this.playlistLabel()+" "+e.level),this.state=_i.KEY_LOADING,this.fragCurrent=e,o=this.keyLoader.load(e).then((function(e){if(!a.fragContextChanged(e.frag))return a.hls.trigger(b.KEY_LOADED,e),a.state===_i.KEY_LOADING&&(a.state=_i.IDLE),e})),this.hls.trigger(b.KEY_LOADING,{frag:e}),null===this.fragCurrent)return this.log("context changed in KEY_LOADING"),Promise.resolve(null);var l,u=this.fragPrevious;if(te(e)&&(!u||e.sn!==u.sn)){var d=this.shouldLoadParts(t.details,e.end);d!==this.loadingParts&&(this.log("LL-Part loading "+(d?"ON":"OFF")+" loading sn "+(null==u?void 0:u.sn)+"->"+e.sn),this.loadingParts=d)}if(r=Math.max(e.start,r||0),this.loadingParts&&te(e)){var h=s.partList;if(h&&i){r>s.fragmentEnd&&s.fragmentHint&&(e=s.fragmentHint);var f=this.getNextPart(h,e,r);if(f>-1){var c,g=h[f];return e=this.fragCurrent=g.fragment,this.log("Loading "+e.type+" sn: "+e.sn+" part: "+g.index+" ("+f+"/"+(h.length-1)+") of "+this.fragInfo(e,!1,g)+") cc: "+e.cc+" ["+s.startSN+"-"+s.endSN+"], target: "+parseFloat(r.toFixed(3))),this.nextLoadPosition=g.start+g.duration,this.state=_i.FRAG_LOADING,c=o?o.then((function(r){return!r||a.fragContextChanged(r.frag)?null:a.doFragPartsLoad(e,g,t,i)})).catch((function(e){return a.handleFragLoadError(e)})):this.doFragPartsLoad(e,g,t,i).catch((function(e){return a.handleFragLoadError(e)})),this.hls.trigger(b.FRAG_LOADING,{frag:e,part:g,targetBufferTime:r}),null===this.fragCurrent?Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING parts")):c}if(!e.url||this.loadedEndOfParts(h,r))return Promise.resolve(null)}}if(te(e)&&this.loadingParts)this.log("LL-Part loading OFF after next part miss @"+r.toFixed(2)+" Check buffer at sn: "+e.sn+" loaded parts: "+(null==(l=s.partList)?void 0:l.filter((function(e){return e.loaded})).map((function(e){return"["+e.start+"-"+e.end+"]"})))),this.loadingParts=!1;else if(!e.url)return Promise.resolve(null);this.log("Loading "+e.type+" sn: "+e.sn+" of "+this.fragInfo(e,!1)+") cc: "+e.cc+" ["+s.startSN+"-"+s.endSN+"], target: "+parseFloat(r.toFixed(3))),A(e.sn)&&!this.bitrateTest&&(this.nextLoadPosition=e.start+e.duration),this.state=_i.FRAG_LOADING;var v,m=this.config.progressive&&e.type!==x;return v=m&&o?o.then((function(t){return!t||a.fragContextChanged(t.frag)?null:a.fragmentLoader.load(e,i)})).catch((function(e){return a.handleFragLoadError(e)})):Promise.all([this.fragmentLoader.load(e,m?i:void 0),o]).then((function(e){var t=e[0];return!m&&i&&i(t),t})).catch((function(e){return a.handleFragLoadError(e)})),this.hls.trigger(b.FRAG_LOADING,{frag:e,targetBufferTime:r}),null===this.fragCurrent?Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING")):v},r.doFragPartsLoad=function(e,t,r,i){var n=this;return new Promise((function(a,s){var o,l=[],u=null==(o=r.details)?void 0:o.partList,d=function(t){n.fragmentLoader.loadPart(e,t,i).then((function(i){l[t.index]=i;var s=i.part;n.hls.trigger(b.FRAG_LOADED,i);var o=mi(r.details,e.sn,t.index+1)||pi(u,e.sn,t.index+1);if(!o)return a({frag:e,part:s,partsLoaded:l});d(o)})).catch(s)};d(t)}))},r.handleFragLoadError=function(e){if("data"in e){var t=e.data;t.frag&&t.details===k.INTERNAL_ABORTED?this.handleFragLoadAborted(t.frag,t.part):t.frag&&t.type===R.KEY_SYSTEM_ERROR?(t.frag.abortRequests(),this.resetStartWhenNotLoaded(),this.resetFragmentLoading(t.frag)):this.hls.trigger(b.ERROR,t)}else this.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.INTERNAL_EXCEPTION,err:e,error:e,fatal:!0});return null},r._handleTransmuxerFlush=function(e){var t=this.getCurrentContext(e);if(t&&this.state===_i.PARSING){var r=t.frag,i=t.part,n=t.level,a=self.performance.now();r.stats.parsing.end=a,i&&(i.stats.parsing.end=a);var s=this.getLevelDetails(),o=s&&r.sn>s.endSN||this.shouldLoadParts(s,r.end);o!==this.loadingParts&&(this.log("LL-Part loading "+(o?"ON":"OFF")+" after parsing segment ending @"+r.end.toFixed(2)),this.loadingParts=o),this.updateLevelTiming(r,i,n,e.partial)}else this.fragCurrent||this.state===_i.STOPPED||this.state===_i.ERROR||(this.state=_i.IDLE)},r.shouldLoadParts=function(e,t){if(this.config.lowLatencyMode){if(!e)return this.loadingParts;if(e.partList){var r,i,n=e.partList[0];if(n.fragment.type===x)return!1;if(t>=n.end+((null==(r=e.fragmentHint)?void 0:r.duration)||0)&&(this.hls.hasEnoughToStart?(null==(i=this.media)?void 0:i.currentTime)||this.lastCurrentTime:this.getLoadPosition())>n.start-n.fragment.duration)return!0}}return!1},r.getCurrentContext=function(e){var t=this.levels,r=this.fragCurrent,i=e.level,n=e.sn,a=e.part;if(null==t||!t[i])return this.warn("Levels object was unset while buffering fragment "+n+" of "+this.playlistLabel()+" "+i+". The current chunk will not be buffered."),null;var s=t[i],o=s.details,l=a>-1?mi(o,n,a):null,u=l?l.fragment:vi(o,n,r);return u?(r&&r!==u&&(u.stats=r.stats),{frag:u,part:l,level:s}):null},r.bufferFragmentData=function(e,t,r,i,n){if(this.state===_i.PARSING){var a=e.data1,s=e.data2,o=a;if(s&&(o=Le(a,s)),o.length){var l=this.initPTS[t.cc],u=l?-l.baseTime/l.timescale:void 0,d={type:e.type,frag:t,part:r,chunkMeta:i,offset:u,parent:t.type,data:o};if(this.hls.trigger(b.BUFFER_APPENDING,d),e.dropped&&e.independent&&!r){if(n)return;this.flushBufferGap(t)}}}},r.flushBufferGap=function(e){var t=this.media;if(t)if(dr.isBuffered(t,t.currentTime)){var r=t.currentTime,i=dr.bufferInfo(t,r,0),n=e.duration,a=Math.min(2*this.config.maxFragLookUpTolerance,.25*n),s=Math.max(Math.min(e.start-a,i.end-a),r+a);e.start-s>a&&this.flushMainBuffer(s,e.start)}else this.flushMainBuffer(0,e.start)},r.getFwdBufferInfo=function(e,t){var r,i=this.getLoadPosition();if(!A(i))return null;var n=this.lastCurrentTime>i||null!=(r=this.media)&&r.paused?0:this.config.maxBufferHole;return this.getFwdBufferInfoAtPos(e,i,t,n)},r.getFwdBufferInfoAtPos=function(e,t,r,i){var n=dr.bufferInfo(e,t,i);if(0===n.len&&void 0!==n.nextStart){var a=this.fragmentTracker.getBufferedFrag(t,r);if(a&&(n.nextStart<=a.end||a.gap)){var s=Math.max(Math.min(n.nextStart,a.end)-t,i);return dr.bufferInfo(e,t,s)}}return n},r.getMaxBufferLength=function(e){var t,r=this.config;return t=e?Math.max(8*r.maxBufferSize/e,r.maxBufferLength):r.maxBufferLength,Math.min(t,r.maxMaxBufferLength)},r.reduceMaxBufferLength=function(e,t){var r=this.config,i=Math.max(Math.min(e-t,r.maxBufferLength),t),n=Math.max(e-3*t,r.maxMaxBufferLength/2,i);return n>=i&&(r.maxMaxBufferLength=n,this.warn("Reduce max buffer length to "+n+"s"),!0)},r.getAppendedFrag=function(e,t){void 0===t&&(t=w);var r=this.fragmentTracker?this.fragmentTracker.getAppendedFrag(e,t):null;return r&&"fragment"in r?r.fragment:r},r.getNextFragment=function(e,t){var r=t.fragments,i=r.length;if(!i)return null;var n=this.config,a=r[0].start,s=n.lowLatencyMode&&!!t.partList,o=null;if(t.live){var l=n.initialLiveManifestSize;if(i=a?d:h)||o.start:e;this.log("Setting startPosition to "+f+" to match start frag at live edge. mainStart: "+d+" liveSyncPosition: "+h+" frag.start: "+(null==(u=o)?void 0:u.start)),this.startPosition=this.nextLoadPosition=f}}else e<=a&&(o=r[0]);if(!o){var c=this.loadingParts?t.partEnd:t.fragmentEnd;o=this.getFragmentAtPosition(e,c,t)}var g=this.filterReplacedPrimary(o,t);if(!g&&o){var v=o.sn-t.startSN;g=this.filterReplacedPrimary(r[v+1]||null,t)}return this.mapToInitFragWhenRequired(g)},r.isLoopLoading=function(e,t){var r=this.fragmentTracker.getState(e);return(r===Wt||r===Yt&&!!e.gap)&&this.nextLoadPosition>t},r.getNextFragmentLoopLoading=function(e,t,r,i,n){var a=null;if(e.gap&&(a=this.getNextFragment(this.nextLoadPosition,t))&&!a.gap&&r.nextStart){var s=this.getFwdBufferInfoAtPos(this.mediaBuffer?this.mediaBuffer:this.media,r.nextStart,i,0);if(null!==s&&r.len+s.len>=n){var o=a.sn;return this.loopSn!==o&&(this.log('buffer full after gaps in "'+i+'" playlist starting at sn: '+o),this.loopSn=o),null}}return this.loopSn=void 0,a},r.filterReplacedPrimary=function(e,t){if(!e)return e;if(Ci(this.config)&&e.type!==x){var r=this.hls.interstitialsManager,i=null==r?void 0:r.bufferingItem;if(i){var n=i.event;if(n){if(n.appendInPlace||Math.abs(e.start-i.start)>1||0===i.start)return null}else{if(e.end<=i.start&&!1===(null==t?void 0:t.live))return null;if(e.start>i.end&&i.nextEvent&&(i.nextEvent.appendInPlace||e.start-i.end>1))return null}}var a=null==r?void 0:r.playerQueue;if(a)for(var s=a.length;s--;){var o=a[s].interstitial;if(o.appendInPlace&&e.start>=o.startTime&&e.end<=o.resumeTime)return null}}return e},r.mapToInitFragWhenRequired=function(e){return null==e||!e.initSegment||e.initSegment.data||this.bitrateTest?e:e.initSegment},r.getNextPart=function(e,t,r){for(var i=-1,n=!1,a=!0,s=0,o=e.length;s-1&&rr.start)return!0}return!1},r.getInitialLiveFragment=function(e){var t=e.fragments,r=this.fragPrevious,i=null;if(r){if(e.hasProgramDateTime&&(this.log("Live playlist, switching playlist, load frag with same PDT: "+r.programDateTime),i=function(e,t,r){if(null===t||!Array.isArray(e)||!e.length||!A(t))return null;if(t<(e[0].programDateTime||0))return null;if(t>=(e[e.length-1].endProgramDateTime||0))return null;for(var i=0;i=e.startSN&&n<=e.endSN){var a=t[n-e.startSN];r.cc===a.cc&&(i=a,this.log("Live playlist, switching playlist, load frag with next SN: "+i.sn))}i||(i=Lt(e,r.cc,r.end))&&this.log("Live playlist, switching playlist, load frag with same CC: "+i.sn)}}else{var s=this.hls.liveSyncPosition;null!==s&&(i=this.getFragmentAtPosition(s,this.bitrateTest?e.fragmentEnd:e.edge,e))}return i},r.getFragmentAtPosition=function(e,t,r){var i,n,a=this.config,s=this.fragPrevious,o=r.fragments,l=r.endSN,u=r.fragmentHint,d=a.maxFragLookUpTolerance,h=r.partList,f=!!(this.loadingParts&&null!=h&&h.length&&u);if(f&&!this.bitrateTest&&h[h.length-1].fragment.sn===u.sn&&(o=o.concat(u),l=u.sn),i=et-d||null!=(n=this.media)&&n.paused||!this.startFragRequested?0:d):o[o.length-1]){var c=i.sn-r.startSN,g=this.fragmentTracker.getState(i);if((g===Wt||g===Yt&&i.gap)&&(s=i),s&&i.sn===s.sn&&(!f||h[0].fragment.sn>i.sn||!r.live)&&i.level===s.level){var v=o[c+1];i=i.sn"+e.startSN+" fragments: "+i),o}return n},r.waitForCdnTuneIn=function(e){return e.live&&e.canBlockReload&&e.partTarget&&e.tuneInGoal>Math.max(e.partHoldBack,3*e.partTarget)},r.setStartPosition=function(e,t){var r=this.startPosition;r=0&&(r=this.nextLoadPosition),r},r.handleFragLoadAborted=function(e,t){this.transmuxer&&e.type===this.playlistType&&te(e)&&e.stats.aborted&&(this.log("Fragment "+e.sn+(t?" part "+t.index:"")+" of "+this.playlistLabel()+" "+e.level+" was aborted"),this.resetFragmentLoading(e))},r.resetFragmentLoading=function(e){this.fragCurrent&&(this.fragContextChanged(e)||this.state===_i.FRAG_LOADING_WAITING_RETRY)||(this.state=_i.IDLE)},r.onFragmentOrKeyLoadError=function(e,t){var r;if(t.chunkMeta&&!t.frag){var i=this.getCurrentContext(t.chunkMeta);i&&(t.frag=i.frag)}var n=t.frag;if(n&&n.type===e&&this.levels)if(this.fragContextChanged(n)){var a;this.warn("Frag load error must match current frag to retry "+n.url+" > "+(null==(a=this.fragCurrent)?void 0:a.url))}else{var s=t.details===k.FRAG_GAP;s&&this.fragmentTracker.fragBuffered(n,!0);var o=t.errorAction;if(o){var l=o.action,u=o.flags,d=o.retryCount,h=void 0===d?0:d,f=o.retryConfig,c=!!f,g=c&&l===Mt,v=c&&!o.resolved&&u===Nt,m=null==(r=this.hls.latestLevelDetails)?void 0:r.live;if(!g&&v&&te(n)&&!n.endList&&m&&!kt(t))this.resetFragmentErrors(e),this.treatAsGap(n),o.resolved=!0;else if((g||v)&&h=t||r&&!Ct(0))&&(r&&this.log("Connection restored (online)"),this.resetStartWhenNotLoaded(),this.state=_i.IDLE)},r.reduceLengthAndFlushBuffer=function(e){if(this.state===_i.PARSING||this.state===_i.PARSED){var t=e.frag,r=e.parent,i=this.getFwdBufferInfo(this.mediaBuffer,r),n=i&&i.len>.5;n&&this.reduceMaxBufferLength(i.len,(null==t?void 0:t.duration)||10);var a=!n;return a&&this.warn("Buffer full error while media.currentTime ("+this.getLoadPosition()+") is not buffered, flush "+r+" buffer"),t&&(this.fragmentTracker.removeFragment(t),this.nextLoadPosition=t.start),this.resetLoadingState(),a}return!1},r.resetFragmentErrors=function(e){e===O&&(this.fragCurrent=null),this.hls.hasEnoughToStart||(this.startFragRequested=!1),this.state!==_i.STOPPED&&(this.state=_i.IDLE)},r.afterBufferFlushed=function(e,t,r){if(e){var i=dr.getBuffered(e);this.fragmentTracker.detectEvictedFragments(t,i,r),this.state===_i.ENDED&&this.resetLoadingState()}},r.resetLoadingState=function(){this.log("Reset loading state"),this.fragCurrent=null,this.fragPrevious=null,this.state!==_i.STOPPED&&(this.state=_i.IDLE)},r.resetStartWhenNotLoaded=function(){if(!this.hls.hasEnoughToStart){this.startFragRequested=!1;var e=this.levelLastLoaded,t=e?e.details:null;null!=t&&t.live?(this.log("resetting startPosition for live start"),this.startPosition=-1,this.setStartPosition(t,t.fragmentStart),this.resetLoadingState()):this.nextLoadPosition=this.startPosition}},r.resetWhenMissingContext=function(e){this.log("Loading context changed while buffering sn "+e.sn+" of "+this.playlistLabel()+" "+(-1===e.level?"":e.level)+". This chunk will not be buffered."),this.removeUnbufferedFrags(),this.resetStartWhenNotLoaded(),this.resetLoadingState()},r.removeUnbufferedFrags=function(e){void 0===e&&(e=0),this.fragmentTracker.removeFragmentsInRange(e,1/0,this.playlistType,!1,!0)},r.updateLevelTiming=function(e,t,r,i){var n=this,a=r.details;if(a){if(!Object.keys(e.elementaryStreams).reduce((function(t,s){var o=e.elementaryStreams[s];if(o){var l=o.endPTS-o.startPTS;if(l<=0)return n.warn("Could not parse fragment "+e.sn+" "+s+" duration reliably ("+l+")"),t||!1;var u=i?0:ui(a,e,o.startPTS,o.endPTS,o.startDTS,o.endDTS,n);return n.hls.trigger(b.LEVEL_PTS_UPDATED,{details:a,level:r,drift:u,type:s,frag:e,start:o.startPTS,end:o.endPTS}),!0}return t}),!1)){var s,o=null===(null==(s=this.transmuxer)?void 0:s.error);if((0===r.fragmentError||o&&(r.fragmentError<2||e.endList))&&this.treatAsGap(e,r),o){var l=new Error("Found no media in fragment "+e.sn+" of "+this.playlistLabel()+" "+e.level+" resetting transmuxer to fallback to playlist timing");if(this.warn(l.message),this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_PARSING_ERROR,fatal:!1,error:l,frag:e,reason:"Found no media in msn "+e.sn+" of "+this.playlistLabel()+' "'+r.url+'"'}),!this.hls)return;this.resetTransmuxer()}}this.state=_i.PARSED,this.log("Parsed "+e.type+" sn: "+e.sn+(t?" part: "+t.index:"")+" of "+this.fragInfo(e,!1,t)+")"),this.hls.trigger(b.FRAG_PARSED,{frag:e,part:t})}else this.warn("level.details undefined")},r.playlistLabel=function(){return this.playlistType===w?"level":"track"},r.fragInfo=function(e,t,r){var i,n;return void 0===t&&(t=!0),this.playlistLabel()+" "+e.level+" ("+(r?"part":"frag")+":["+(null!=(i=t&&!r?e.startPTS:(r||e).start)?i:NaN).toFixed(3)+"-"+(null!=(n=t&&!r?e.endPTS:(r||e).end)?n:NaN).toFixed(3)+"]"+(r&&"main"===e.type?"INDEPENDENT="+(r.independent?"YES":"NO"):"")},r.treatAsGap=function(e,t){t&&t.fragmentError++,e.gap=!0,this.fragmentTracker.removeFragment(e),this.fragmentTracker.fragBuffered(e,!0)},r.resetTransmuxer=function(){var e;null==(e=this.transmuxer)||e.reset()},r.recoverWorkerError=function(e){"demuxerWorker"===e.event&&(this.fragmentTracker.removeAllFragments(),this.transmuxer&&(this.transmuxer.destroy(),this.transmuxer=null),this.resetStartWhenNotLoaded(),this.resetLoadingState())},i(t,[{key:"startPositionValue",get:function(){var e=this.nextLoadPosition,t=this.startPosition;return-1===t&&e?e:t}},{key:"bufferingEnabled",get:function(){return this.buffering}},{key:"inFlightFrag",get:function(){return{frag:this.fragCurrent,state:this.state}}},{key:"timelineOffset",get:function(){var e,t=this.config.timelineOffset;return t?(null==(e=this.getLevelDetails())?void 0:e.appliedTimelineOffset)||t:0}},{key:"primaryPrefetch",get:function(){var e;return!(!Ci(this.config)||!(null==(e=this.hls.interstitialsManager)||null==(e=e.playingItem)?void 0:e.event))}},{key:"state",get:function(){return this._state},set:function(e){var t=this._state;t!==e&&(this._state=e,this.log(t+"->"+e))}}])}(or);function Ci(e){return!!e.interstitialsController&&!1!==e.enableInterstitialPlayback}var wi=function(){function e(){this.chunks=[],this.dataLength=0}var t=e.prototype;return t.push=function(e){this.chunks.push(e),this.dataLength+=e.length},t.flush=function(){var e,t=this.chunks,r=this.dataLength;return t.length?(e=1===t.length?t[0]:function(e,t){for(var r=new Uint8Array(t),i=0,n=0;n0)return e.subarray(r,r+i)}function Ni(e,t){return 255===e[t]&&240==(246&e[t+1])}function Ui(e,t){return 1&e[t+1]?7:9}function Bi(e,t){return(3&e[t+3])<<11|e[t+4]<<3|(224&e[t+5])>>>5}function Gi(e,t){return t+1=e.length)return!1;var i=Bi(e,t);if(i<=r)return!1;var n=t+i;return n===e.length||Gi(e,n)}return!1}function Vi(e,t,r,i,n){if(!e.samplerate){var s=function(e,t,r,i){var n=t[r+2],a=n>>2&15;if(!(a>12)){var s=1+(n>>6&3),o=t[r+3]>>6&3|(1&n)<<2,l="mp4a.40."+s,u=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350][a],d=a;5!==s&&29!==s||(d-=3);var h=[s<<3|(14&d)>>1,(1&d)<<7|o<<3];return Y.log("manifest codec:"+i+", parsed codec:"+l+", channels:"+o+", rate:"+u+" (ADTS object type:"+s+" sampling index:"+a+")"),{config:h,samplerate:u,channelCount:o,codec:l,parsedCodec:l,manifestCodec:i}}var f=new Error("invalid ADTS sampling index:"+a);e.emit(b.ERROR,b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_PARSING_ERROR,fatal:!0,error:f,reason:f.message})}(t,r,i,n);if(!s)return;a(e,s)}}function Hi(e){return 9216e4/e}function Yi(e,t,r,i,n){var a,s=i+n*Hi(e.samplerate),o=function(e,t){var r=Ui(e,t);if(t+r<=e.length){var i=Bi(e,t)-r;if(i>0)return{headerLength:r,frameLength:i}}}(t,r);if(o){var l=o.frameLength,u=o.headerLength,d=u+l,h=Math.max(0,r+d-t.length);h?(a=new Uint8Array(d-u)).set(t.subarray(r+u,t.length),0):a=t.subarray(r+u,r+d);var f={unit:a,pts:s};return h||e.samples.push(f),{sample:f,length:d,missing:h}}var c=t.length-r;return(a=new Uint8Array(c)).set(t.subarray(r,t.length),0),{sample:{unit:a,pts:s},length:c,missing:-1}}function Wi(e,t){return xi(e,t)&&Mi(e,t+6)+10<=e.length-t}function ji(e,t,r){return void 0===t&&(t=0),void 0===r&&(r=1/0),function(e,t,r,i){var n=function(e){return e instanceof ArrayBuffer?e:e.buffer}(e),a=1;"BYTES_PER_ELEMENT"in i&&(a=i.BYTES_PER_ELEMENT);var s,o=(s=e)&&s.buffer instanceof ArrayBuffer&&void 0!==s.byteLength&&void 0!==s.byteOffset?e.byteOffset:0,l=(o+e.byteLength)/a,u=(o+t)/a,d=Math.floor(Math.max(0,Math.min(u,l))),h=Math.floor(Math.min(d+Math.max(r,0),l));return new i(n,d,h-d)}(e,t,r,Uint8Array)}function qi(e){var t={key:e.type,description:"",data:"",mimeType:null,pictureType:null};if(!(e.size<2))if(3===e.data[0]){var r=e.data.subarray(1).indexOf(0);if(-1!==r){var i=q(ji(e.data,1,r)),n=e.data[2+r],a=e.data.subarray(3+r).indexOf(0);if(-1!==a){var s,o=q(ji(e.data,3+r,a));return s="--\x3e"===i?q(ji(e.data,4+r+a)):function(e){return e instanceof ArrayBuffer?e:0==e.byteOffset&&e.byteLength==e.buffer.byteLength?e.buffer:new Uint8Array(e).buffer}(e.data.subarray(4+r+a)),t.mimeType=i,t.pictureType=n,t.description=o,t.data=s,t}}}else console.log("Ignore frame with unrecognized character encoding")}function Xi(e){return"PRIV"===e.type?function(e){if(!(e.size<2)){var t=q(e.data,!0),r=new Uint8Array(e.data.subarray(t.length+1));return{key:e.type,info:t,data:r.buffer}}}(e):"W"===e.type[0]?function(e){if("WXXX"===e.type){if(e.size<2)return;var t=1,r=q(e.data.subarray(t),!0);t+=r.length+1;var i=q(e.data.subarray(t));return{key:e.type,info:r,data:i}}var n=q(e.data);return{key:e.type,info:"",data:n}}(e):"APIC"===e.type?qi(e):function(e){if(!(e.size<2)){if("TXXX"===e.type){var t=1,r=q(e.data.subarray(t),!0);t+=r.length+1;var i=q(e.data.subarray(t));return{key:e.type,info:r,data:i}}var n=q(e.data.subarray(1));return{key:e.type,info:"",data:n}}}(e)}function Qi(e){var t=String.fromCharCode(e[0],e[1],e[2],e[3]),r=Mi(e,4);return{type:t,size:r,data:e.subarray(10,10+r)}}var zi=10,$i=10;function Zi(e){for(var t=0,r=[];xi(e,t);){var i=Mi(e,t+6);e[t+5]>>6&1&&(t+=zi);for(var n=(t+=zi)+i;t+$i0&&s.samples.push({pts:this.lastPTS,dts:this.lastPTS,data:i,type:rn.audioId3,duration:Number.POSITIVE_INFINITY});nt.length)){var a=cn(t,r);if(a&&r+a.frameLength<=t.length){var s=i+n*(9e4*a.samplesPerFrame/a.sampleRate),o={unit:t.subarray(r,r+a.frameLength),pts:s,dts:s};return e.config=[],e.channelCount=a.channelCount,e.samplerate=a.sampleRate,e.samples.push(o),{sample:o,length:a.frameLength,missing:0}}}}function cn(e,t){var r=e[t+1]>>3&3,i=e[t+1]>>1&3,n=e[t+2]>>4&15,a=e[t+2]>>2&3;if(1!==r&&0!==n&&15!==n&&3!==a){var s=e[t+2]>>1&1,o=e[t+3]>>6,l=1e3*ln[14*(3===r?3-i:3===i?3:4)+n-1],u=un[3*(3===r?0:2===r?1:2)+a],d=3===o?1:2,h=dn[r][i],f=hn[i],c=8*h*f,g=Math.floor(h*l/u+s)*f;if(null===on){var v=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);on=v?parseInt(v[1]):0}return!!on&&on<=87&&2===i&&l>=224e3&&0===o&&(e[t+3]=128|e[t+3]),{sampleRate:u,channelCount:d,frameLength:g,samplesPerFrame:c}}}function gn(e,t){return 255===e[t]&&224==(224&e[t+1])&&0!=(6&e[t+1])}function vn(e,t){return t+10;){s[0]=e[t];var o=Math.min(i,8),l=8-o;a[0]=4278190080>>>24+l<>l,r=r?r<t.length)return-1;if(11!==t[r]||119!==t[r+1])return-1;var a=t[r+4]>>6;if(a>=3)return-1;var s=[48e3,44100,32e3][a],o=63&t[r+4],l=2*[64,69,96,64,70,96,80,87,120,80,88,120,96,104,144,96,105,144,112,121,168,112,122,168,128,139,192,128,140,192,160,174,240,160,175,240,192,208,288,192,209,288,224,243,336,224,244,336,256,278,384,256,279,384,320,348,480,320,349,480,384,417,576,384,418,576,448,487,672,448,488,672,512,557,768,512,558,768,640,696,960,640,697,960,768,835,1152,768,836,1152,896,975,1344,896,976,1344,1024,1114,1536,1024,1115,1536,1152,1253,1728,1152,1254,1728,1280,1393,1920,1280,1394,1920][3*o+a];if(r+l>t.length)return-1;var u=t[r+6]>>5,d=0;2===u?d+=2:(1&u&&1!==u&&(d+=2),4&u&&(d+=2));var h=(t[r+6]<<8|t[r+7])>>12-d&1,f=[2,1,2,3,3,4,4,5][u]+h,c=t[r+5]>>3,g=7&t[r+5],v=new Uint8Array([a<<6|c<<1|g>>2,(3&g)<<6|u<<3|h<<2|o>>4,o<<4&224]),m=i+n*(1536/s*9e4),p=t.subarray(r,r+l);return e.config=v,e.channelCount=f,e.samplerate=s,e.samples.push({unit:p,pts:m}),l}var Sn=function(e){function t(){return e.apply(this,arguments)||this}o(t,e);var r=t.prototype;return r.resetInitSegment=function(t,r,i,n){e.prototype.resetInitSegment.call(this,t,r,i,n),this._audioTrack={container:"audio/mpeg",type:"audio",id:2,pid:-1,sequenceNumber:0,segmentCodec:"mp3",samples:[],manifestCodec:r,duration:n,inputTimeScale:9e4,dropped:0}},t.probe=function(e){if(!e)return!1;var t=Fi(e,0),r=(null==t?void 0:t.length)||0;if(t&&11===e[r]&&119===e[r+1]&&void 0!==tn(t)&&yn(e,r)<=16)return!1;for(var i=e.length;r8&&109===e[r+4]&&111===e[r+5]&&111===e[r+6]&&102===e[r+7])return!0;r=i>1?r+i:t}return!1}(e)},t.demux=function(e,t){this.timeOffset=t;var r=e,i=this.videoTrack,n=this.txtTrack;if(this.config.progressive){this.remainderData&&(r=Le(this.remainderData,e));var a=function(e){var t={valid:null,remainder:null},r=ce(e,["moof"]);if(r.length<2)return t.remainder=e,t;var i=r[r.length-1];return t.valid=e.slice(0,i.byteOffset-8),t.remainder=e.slice(i.byteOffset-8),t}(r);this.remainderData=a.remainder,i.samples=a.valid||new Uint8Array}else i.samples=r;var s=this.extractID3Track(i,t);return n.samples=Ie(t,i),{videoTrack:i,audioTrack:this.audioTrack,id3Track:s,textTrack:this.txtTrack}},t.flush=function(){var e=this.timeOffset,t=this.videoTrack,r=this.txtTrack;t.samples=this.remainderData||new Uint8Array,this.remainderData=null;var i=this.extractID3Track(t,this.timeOffset);return r.samples=Ie(e,t),{videoTrack:t,audioTrack:nn(),id3Track:i,textTrack:nn()}},t.extractID3Track=function(e,t){var r=this,i=this.id3Track;if(e.samples.length){var n=ce(e.samples,["emsg"]);n&&n.forEach((function(e){var n=function(e){var t=e[0],r="",i="",n=0,a=0,s=0,o=0,l=0,u=0;if(0===t){for(;"\0"!==le(e.subarray(u,u+1));)r+=le(e.subarray(u,u+1)),u+=1;for(r+=le(e.subarray(u,u+1)),u+=1;"\0"!==le(e.subarray(u,u+1));)i+=le(e.subarray(u,u+1)),u+=1;i+=le(e.subarray(u,u+1)),u+=1,n=de(e,12),a=de(e,16),o=de(e,20),l=de(e,24),u=28}else if(1===t){n=de(e,u+=4);var d=de(e,u+=4),h=de(e,u+=4);for(u+=4,s=Math.pow(2,32)*d+h,L(s)||(s=Number.MAX_SAFE_INTEGER,Y.warn("Presentation time 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Error("The MP4 demuxer does not support SAMPLE-AES decryption"))},t.destroy=function(){this.config=null,this.remainderData=null,this.videoTrack=this.audioTrack=this.id3Track=this.txtTrack=void 0},e}();function In(e,t){return A(e.presentationTime)?e.presentationTime/e.timeScale:t+e.presentationTimeDelta/e.timeScale}var Rn=function(){function e(e,t,r){this.keyData=void 0,this.decrypter=void 0,this.keyData=r,this.decrypter=new tr(t,{removePKCS7Padding:!1})}var t=e.prototype;return t.decryptBuffer=function(e){return this.decrypter.decrypt(e,this.keyData.key.buffer,this.keyData.iv.buffer,zt)},t.decryptAacSample=function(e,t,r){var i=this,n=e[t].unit;if(!(n.length<=16)){var a=n.subarray(16,n.length-n.length%16),s=a.buffer.slice(a.byteOffset,a.byteOffset+a.length);this.decryptBuffer(s).then((function(a){var s=new Uint8Array(a);n.set(s,16),i.decrypter.isSync()||i.decryptAacSamples(e,t+1,r)})).catch(r)}},t.decryptAacSamples=function(e,t,r){for(;;t++){if(t>=e.length)return void r();if(!(e[t].unit.length<32||(this.decryptAacSample(e,t,r),this.decrypter.isSync())))return}},t.getAvcEncryptedData=function(e){for(var t=16*Math.floor((e.length-48)/160)+16,r=new Int8Array(t),i=0,n=32;n=e.length)return void i();for(var n=e[t].units;!(r>=n.length);r++){var a=n[r];if(!(a.data.length<=48||1!==a.type&&5!==a.type||(this.decryptAvcSample(e,t,r,i,a),this.decrypter.isSync())))return}}},e}(),kn=function(){function e(){this.VideoSample=null}var t=e.prototype;return t.createVideoSample=function(e,t,r){return{key:e,frame:!1,pts:t,dts:r,units:[],length:0}},t.getLastNalUnit=function(e){var t,r,i=this.VideoSample;if(i&&0!==i.units.length||(i=e[e.length-1]),null!=(t=i)&&t.units){var n=i.units;r=n[n.length-1]}return r},t.pushAccessUnit=function(e,t){if(e.units.length&&e.frame){if(void 0===e.pts){var r=t.samples,i=r.length;if(!i)return void t.dropped++;var n=r[i-1];e.pts=n.pts,e.dts=n.dts}t.samples.push(e)}},t.parseNALu=function(e,t,r){var i,n,a=t.byteLength,s=e.naluState||0,o=s,l=[],u=0,d=-1,h=0;for(-1===s&&(d=0,h=this.getNALuType(t,0),s=0,u=1);u=0){var f={data:t.subarray(d,n),type:h};l.push(f)}else{var c=this.getLastNalUnit(e.samples);c&&(o&&u<=4-o&&c.state&&(c.data=c.data.subarray(0,c.data.byteLength-o)),n>0&&(c.data=Le(c.data,t.subarray(0,n)),c.state=0))}u=0&&s>=0){var g={data:t.subarray(d,a),type:h,state:s};l.push(g)}if(0===l.length){var v=this.getLastNalUnit(e.samples);v&&(v.data=Le(v.data,t))}return e.naluState=s,l},e}(),bn=function(){function e(e){this.data=void 0,this.bytesAvailable=void 0,this.word=void 0,this.bitsAvailable=void 0,this.data=e,this.bytesAvailable=e.byteLength,this.word=0,this.bitsAvailable=0}var t=e.prototype;return t.loadWord=function(){var e=this.data,t=this.bytesAvailable,r=e.byteLength-t,i=new Uint8Array(4),n=Math.min(4,t);if(0===n)throw new Error("no bytes available");i.set(e.subarray(r,r+n)),this.word=new DataView(i.buffer).getUint32(0),this.bitsAvailable=8*n,this.bytesAvailable-=n},t.skipBits=function(e){var t;e=Math.min(e,8*this.bytesAvailable+this.bitsAvailable),this.bitsAvailable>e?(this.word<<=e,this.bitsAvailable-=e):(e-=this.bitsAvailable,e-=(t=e>>3)<<3,this.bytesAvailable-=t,this.loadWord(),this.word<<=e,this.bitsAvailable-=e)},t.readBits=function(e){var t=Math.min(this.bitsAvailable,e),r=this.word>>>32-t;if(e>32&&Y.error("Cannot read more than 32 bits at a time"),this.bitsAvailable-=t,this.bitsAvailable>0)this.word<<=t;else{if(!(this.bytesAvailable>0))throw new Error("no bits available");this.loadWord()}return(t=e-t)>0&&this.bitsAvailable?r<>>e))return this.word<<=e,this.bitsAvailable-=e,e;return this.loadWord(),e+this.skipLZ()},t.skipUEG=function(){this.skipBits(1+this.skipLZ())},t.skipEG=function(){this.skipBits(1+this.skipLZ())},t.readUEG=function(){var e=this.skipLZ();return this.readBits(e+1)-1},t.readEG=function(){var e=this.readUEG();return 1&e?1+e>>>1:-1*(e>>>1)},t.readBoolean=function(){return 1===this.readBits(1)},t.readUByte=function(){return this.readBits(8)},t.readUShort=function(){return this.readBits(16)},t.readUInt=function(){return this.readBits(32)},e}(),Dn=function(e){function t(){return e.apply(this,arguments)||this}o(t,e);var r=t.prototype;return r.parsePES=function(e,t,r,i){var n,a=this,s=this.parseNALu(e,r.data,i),o=this.VideoSample,l=!1;r.data=null,o&&s.length&&!e.audFound&&(this.pushAccessUnit(o,e),o=this.VideoSample=this.createVideoSample(!1,r.pts,r.dts)),s.forEach((function(i){var s,u;switch(i.type){case 1:var d=!1;n=!0;var h,f=i.data;if(l&&f.length>4){var c=a.readSliceType(f);2!==c&&4!==c&&7!==c&&9!==c||(d=!0)}d&&null!=(h=o)&&h.frame&&!o.key&&(a.pushAccessUnit(o,e),o=a.VideoSample=null),o||(o=a.VideoSample=a.createVideoSample(!0,r.pts,r.dts)),o.frame=!0,o.key=d;break;case 5:n=!0,null!=(s=o)&&s.frame&&!o.key&&(a.pushAccessUnit(o,e),o=a.VideoSample=null),o||(o=a.VideoSample=a.createVideoSample(!0,r.pts,r.dts)),o.key=!0,o.frame=!0;break;case 6:n=!0,be(i.data,1,r.pts,t.samples);break;case 7:var g,v;n=!0,l=!0;var m=i.data,p=a.readSPS(m);if(!e.sps||e.width!==p.width||e.height!==p.height||(null==(g=e.pixelRatio)?void 0:g[0])!==p.pixelRatio[0]||(null==(v=e.pixelRatio)?void 0:v[1])!==p.pixelRatio[1]){e.width=p.width,e.height=p.height,e.pixelRatio=p.pixelRatio,e.sps=[m];for(var y=m.subarray(1,4),E="avc1.",T=0;T<3;T++){var S=y[T].toString(16);S.length<2&&(S="0"+S),E+=S}e.codec=E}break;case 8:n=!0,e.pps=[i.data];break;case 9:n=!0,e.audFound=!0,null!=(u=o)&&u.frame&&(a.pushAccessUnit(o,e),o=null),o||(o=a.VideoSample=a.createVideoSample(!1,r.pts,r.dts));break;case 12:n=!0;break;default:n=!1}o&&n&&o.units.push(i)})),i&&o&&(this.pushAccessUnit(o,e),this.VideoSample=null)},r.getNALuType=function(e,t){return 31&e[t]},r.readSliceType=function(e){var t=new bn(e);return t.readUByte(),t.readUEG(),t.readUEG()},r.skipScalingList=function(e,t){for(var r=8,i=8,n=0;n>>1},r.ebsp2rbsp=function(e){for(var t=new Uint8Array(e.byteLength),r=0,i=0;i=2&&3===e[i]&&0===e[i-1]&&0===e[i-2]||(t[r]=e[i],r++);return new Uint8Array(t.buffer,0,r)},r.pushAccessUnit=function(t,r){e.prototype.pushAccessUnit.call(this,t,r),this.initVPS&&(this.initVPS=null)},r.readVPS=function(e){var t=new bn(e);return t.readUByte(),t.readUByte(),t.readBits(4),t.skipBits(2),t.readBits(6),{numTemporalLayers:t.readBits(3)+1,temporalIdNested:t.readBoolean()}},r.readSPS=function(e){var t=new bn(this.ebsp2rbsp(e));t.readUByte(),t.readUByte(),t.readBits(4);var r=t.readBits(3);t.readBoolean();for(var i=t.readBits(2),n=t.readBoolean(),a=t.readBits(5),s=t.readUByte(),o=t.readUByte(),l=t.readUByte(),u=t.readUByte(),d=t.readUByte(),h=t.readUByte(),f=t.readUByte(),c=t.readUByte(),g=t.readUByte(),v=t.readUByte(),m=t.readUByte(),p=[],y=[],E=0;E0)for(var T=r;T<8;T++)t.readBits(2);for(var S=0;S1&&t.readEG();for(var N=0;N0&&ae<16?(ee=[1,12,10,16,40,24,20,32,80,18,15,64,160,4,3,2][ae-1],te=[1,11,11,11,33,11,11,11,33,11,11,33,99,3,2,1][ae-1]):255===ae&&(ee=t.readBits(16),te=t.readBits(16))}if(t.readBoolean()&&t.readBoolean(),t.readBoolean()&&(t.readBits(3),t.readBoolean(),t.readBoolean()&&(t.readUByte(),t.readUByte(),t.readUByte())),t.readBoolean()&&(t.readUEG(),t.readUEG()),t.readBoolean(),t.readBoolean(),t.readBoolean(),t.readBoolean()&&(t.skipUEG(),t.skipUEG(),t.skipUEG(),t.skipUEG()),t.readBoolean()&&(ie=t.readBits(32),ne=t.readBits(32),t.readBoolean()&&t.readUEG(),t.readBoolean())){var se=t.readBoolean(),oe=t.readBoolean(),le=!1;(se||oe)&&((le=t.readBoolean())&&(t.readUByte(),t.readBits(5),t.readBoolean(),t.readBits(5)),t.readBits(4),t.readBits(4),le&&t.readBits(4),t.readBits(5),t.readBits(5),t.readBits(5));for(var ue=0;ue<=r;ue++){var de=!1;(re=t.readBoolean())||t.readBoolean()?t.readEG():de=t.readBoolean();var he=de?1:t.readUEG()+1;if(se)for(var fe=0;fe>Se&1)<<31-Se)>>>0;var Ae=Te.toString(16);return 1===a&&"2"===Ae&&(Ae="6"),{codecString:"hvc1."+ye+a+"."+Ae+"."+(n?"H":"L")+m+".B0",params:{general_tier_flag:n,general_profile_idc:a,general_profile_space:i,general_profile_compatibility_flags:[s,o,l,u],general_constraint_indicator_flags:[d,h,f,c,g,v],general_level_idc:m,bit_depth:P+8,bit_depth_luma_minus8:P,bit_depth_chroma_minus8:C,min_spatial_segmentation_idc:J,chroma_format_idc:A,frame_rate:{fixed:re,fps:ne/ie}},width:ge,height:ve,pixelRatio:[ee,te]}},r.readPPS=function(e){var t=new bn(this.ebsp2rbsp(e));t.readUByte(),t.readUByte(),t.skipUEG(),t.skipUEG(),t.skipBits(2),t.skipBits(3),t.skipBits(2),t.skipUEG(),t.skipUEG(),t.skipEG(),t.skipBits(2),t.readBoolean()&&t.skipUEG(),t.skipEG(),t.skipEG(),t.skipBits(4);var r=t.readBoolean(),i=t.readBoolean(),n=1;return i&&r?n=0:i?n=3:r&&(n=2),{parallelismType:n}},r.matchSPS=function(e,t){return String.fromCharCode.apply(null,e).substr(3)===String.fromCharCode.apply(null,t).substr(3)},t}(kn),Pn=188,Cn=function(){function e(e,t,r,i){this.logger=void 0,this.observer=void 0,this.config=void 0,this.typeSupported=void 0,this.sampleAes=null,this.pmtParsed=!1,this.audioCodec=void 0,this.videoCodec=void 0,this._pmtId=-1,this._videoTrack=void 0,this._audioTrack=void 0,this._id3Track=void 0,this._txtTrack=void 0,this.aacOverFlow=null,this.remainderData=null,this.videoParser=void 0,this.observer=e,this.config=t,this.typeSupported=r,this.logger=i,this.videoParser=null}e.probe=function(t,r){var i=e.syncOffset(t);return i>0&&r.warn("MPEG2-TS detected but first sync word found @ offset "+i),-1!==i},e.syncOffset=function(e){for(var t=e.length,r=Math.min(940,t-Pn)+1,i=0;i1&&(0===a&&s>2||o+Pn>r))return a}i++}return-1},e.createTrack=function(e,t){return{container:"video"===e||"audio"===e?"video/mp2t":void 0,type:e,id:oe[e],pid:-1,inputTimeScale:9e4,sequenceNumber:0,samples:[],dropped:0,duration:"audio"===e?t:void 0}};var t=e.prototype;return t.resetInitSegment=function(t,r,i,n){this.pmtParsed=!1,this._pmtId=-1,this._videoTrack=e.createTrack("video"),this._videoTrack.duration=n,this._audioTrack=e.createTrack("audio",n),this._id3Track=e.createTrack("id3"),this._txtTrack=e.createTrack("text"),this._audioTrack.segmentCodec="aac",this.videoParser=null,this.aacOverFlow=null,this.remainderData=null,this.audioCodec=r,this.videoCodec=i},t.resetTimeStamp=function(){},t.resetContiguity=function(){var e=this._audioTrack,t=this._videoTrack,r=this._id3Track;e&&(e.pesData=null),t&&(t.pesData=null),r&&(r.pesData=null),this.aacOverFlow=null,this.remainderData=null},t.demux=function(t,r,i,n){var a;void 0===i&&(i=!1),void 0===n&&(n=!1),i||(this.sampleAes=null);var s=this._videoTrack,o=this._audioTrack,l=this._id3Track,u=this._txtTrack,d=s.pid,h=s.pesData,f=o.pid,c=l.pid,g=o.pesData,v=l.pesData,m=null,p=this.pmtParsed,y=this._pmtId,E=t.length;if(this.remainderData&&(E=(t=Le(this.remainderData,t)).length,this.remainderData=null),E>4>1){if((R=A+5+t[A+4])===A+Pn)continue}else R=A+4;switch(I){case d:L&&(h&&(a=Nn(h,this.logger))&&(this.readyVideoParser(s.segmentCodec),null!==this.videoParser&&this.videoParser.parsePES(s,u,a,!1)),h={data:[],size:0}),h&&(h.data.push(t.subarray(R,A+Pn)),h.size+=A+Pn-R);break;case f:if(L){if(g&&(a=Nn(g,this.logger)))switch(o.segmentCodec){case"aac":this.parseAACPES(o,a);break;case"mp3":this.parseMPEGPES(o,a);break;case"ac3":this.parseAC3PES(o,a)}g={data:[],size:0}}g&&(g.data.push(t.subarray(R,A+Pn)),g.size+=A+Pn-R);break;case c:L&&(v&&(a=Nn(v,this.logger))&&this.parseID3PES(l,a),v={data:[],size:0}),v&&(v.data.push(t.subarray(R,A+Pn)),v.size+=A+Pn-R);break;case 0:L&&(R+=t[R]+1),y=this._pmtId=On(t,R);break;case y:L&&(R+=t[R]+1);var k=xn(t,R,this.typeSupported,i,this.observer,this.logger);(d=k.videoPid)>0&&(s.pid=d,s.segmentCodec=k.segmentVideoCodec),(f=k.audioPid)>0&&(o.pid=f,o.segmentCodec=k.segmentAudioCodec),(c=k.id3Pid)>0&&(l.pid=c),null===m||p||(this.logger.warn("MPEG-TS PMT found at "+A+" after unknown PID '"+m+"'. Backtracking to sync byte @"+T+" to parse all TS packets."),m=null,A=T-188),p=this.pmtParsed=!0;break;case 17:case 8191:break;default:m=I}}else S++;S>0&&Mn(this.observer,new Error("Found "+S+" TS packet/s that do not start with 0x47"),void 0,this.logger),s.pesData=h,o.pesData=g,l.pesData=v;var b={audioTrack:o,videoTrack:s,id3Track:l,textTrack:u};return n&&this.extractRemainingSamples(b),b},t.flush=function(){var e,t=this.remainderData;return this.remainderData=null,e=t?this.demux(t,-1,!1,!0):{videoTrack:this._videoTrack,audioTrack:this._audioTrack,id3Track:this._id3Track,textTrack:this._txtTrack},this.extractRemainingSamples(e),this.sampleAes?this.decrypt(e,this.sampleAes):e},t.extractRemainingSamples=function(e){var t,r=e.audioTrack,i=e.videoTrack,n=e.id3Track,a=e.textTrack,s=i.pesData,o=r.pesData,l=n.pesData;if(s&&(t=Nn(s,this.logger))?(this.readyVideoParser(i.segmentCodec),null!==this.videoParser&&(this.videoParser.parsePES(i,a,t,!0),i.pesData=null)):i.pesData=s,o&&(t=Nn(o,this.logger))){switch(r.segmentCodec){case"aac":this.parseAACPES(r,t);break;case"mp3":this.parseMPEGPES(r,t);break;case"ac3":this.parseAC3PES(r,t)}r.pesData=null}else null!=o&&o.size&&this.logger.log("last AAC PES packet truncated,might overlap between fragments"),r.pesData=o;l&&(t=Nn(l,this.logger))?(this.parseID3PES(n,t),n.pesData=null):n.pesData=l},t.demuxSampleAes=function(e,t,r){var i=this.demux(e,r,!0,!this.config.progressive),n=this.sampleAes=new Rn(this.observer,this.config,t);return this.decrypt(i,n)},t.readyVideoParser=function(e){null===this.videoParser&&("avc"===e?this.videoParser=new Dn:"hevc"===e&&(this.videoParser=new _n))},t.decrypt=function(e,t){return new Promise((function(r){var i=e.audioTrack,n=e.videoTrack;i.samples&&"aac"===i.segmentCodec?t.decryptAacSamples(i.samples,0,(function(){n.samples?t.decryptAvcSamples(n.samples,0,0,(function(){r(e)})):r(e)})):n.samples&&t.decryptAvcSamples(n.samples,0,0,(function(){r(e)}))}))},t.destroy=function(){this.observer&&this.observer.removeAllListeners(),this.config=this.logger=this.observer=null,this.aacOverFlow=this.videoParser=this.remainderData=this.sampleAes=null,this._videoTrack=this._audioTrack=this._id3Track=this._txtTrack=void 0},t.parseAACPES=function(e,t){var r,i,n,a=0,s=this.aacOverFlow,o=t.data;if(s){this.aacOverFlow=null;var l=s.missing,u=s.sample.unit.byteLength;if(-1===l)o=Le(s.sample.unit,o);else{var d=u-l;s.sample.unit.set(o.subarray(0,l),d),e.samples.push(s.sample),a=s.missing}}for(r=a,i=o.length;r0;)o+=n;else this.logger.warn("[tsdemuxer]: AC3 PES unknown PTS")},t.parseID3PES=function(e,t){if(void 0!==t.pts){var r=a({},t,{type:this._videoTrack?rn.emsg:rn.audioId3,duration:Number.POSITIVE_INFINITY});e.samples.push(r)}else this.logger.warn("[tsdemuxer]: ID3 PES unknown PTS")},e}();function wn(e,t){return((31&e[t+1])<<8)+e[t+2]}function On(e,t){return(31&e[t+10])<<8|e[t+11]}function xn(e,t,r,i,n,a){var s={audioPid:-1,videoPid:-1,id3Pid:-1,segmentVideoCodec:"avc",segmentAudioCodec:"aac"},o=t+3+((15&e[t+1])<<8|e[t+2])-4;for(t+=12+((15&e[t+10])<<8|e[t+11]);t0)for(var d=t+5,h=u;h>2;){106===e[d]&&(!0!==r.ac3?a.log("AC-3 audio found, not supported in this browser for now"):(s.audioPid=l,s.segmentAudioCodec="ac3"));var f=e[d+1]+2;d+=f,h-=f}break;case 194:case 135:return Mn(n,new Error("Unsupported EC-3 in M2TS found"),void 0,a),s;case 36:-1===s.videoPid&&(s.videoPid=l,s.segmentVideoCodec="hevc",a.log("HEVC in M2TS found"))}t+=u+5}return s}function Mn(e,t,r,i){i.warn("parsing error: "+t.message),e.emit(b.ERROR,b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_PARSING_ERROR,fatal:!1,levelRetry:r,error:t,reason:t.message})}function Fn(e,t){t.log(e+" with AES-128-CBC encryption found in unencrypted stream")}function Nn(e,t){var r,i,n,a,s,o=0,l=e.data;if(!e||0===e.size)return null;for(;l[0].length<19&&l.length>1;)l[0]=Le(l[0],l[1]),l.splice(1,1);if(1===((r=l[0])[0]<<16)+(r[1]<<8)+r[2]){if((i=(r[4]<<8)+r[5])&&i>e.size-6)return null;var u=r[7];192&u&&(a=536870912*(14&r[9])+4194304*(255&r[10])+16384*(254&r[11])+128*(255&r[12])+(254&r[13])/2,64&u?a-(s=536870912*(14&r[14])+4194304*(255&r[15])+16384*(254&r[16])+128*(255&r[17])+(254&r[18])/2)>54e5&&(t.warn(Math.round((a-s)/9e4)+"s delta between PTS and DTS, align them"),a=s):s=a);var d=(n=r[8])+9;if(e.size<=d)return null;e.size-=d;for(var h=new Uint8Array(e.size),f=0,c=l.length;fg){d-=g;continue}r=r.subarray(d),g-=d,d=0}h.set(r,o),o+=g}return i&&(i-=n+3),{data:h,pts:a,dts:s,len:i}}return null}var Un=function(){function e(){}return e.getSilentFrame=function(e,t){if("mp4a.40.2"===e){if(1===t)return new Uint8Array([0,200,0,128,35,128]);if(2===t)return new Uint8Array([33,0,73,144,2,25,0,35,128]);if(3===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,142]);if(4===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,128,44,128,8,2,56]);if(5===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,56]);if(6===t)return new Uint8Array([0,200,0,128,32,132,1,38,64,8,100,0,130,48,4,153,0,33,144,2,0,178,0,32,8,224])}else{if(1===t)return new Uint8Array([1,64,34,128,163,78,230,128,186,8,0,0,0,28,6,241,193,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(2===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94]);if(3===t)return new Uint8Array([1,64,34,128,163,94,230,128,186,8,0,0,0,0,149,0,6,241,161,10,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,90,94])}},e}(),Bn=Math.pow(2,32)-1,Gn=function(){function e(){}return e.init=function(){var t;for(t in e.types={avc1:[],avcC:[],hvc1:[],hvcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],".mp3":[],dac3:[],"ac-3":[],mvex:[],mvhd:[],pasp:[],sdtp:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[],smhd:[]},e.types)e.types.hasOwnProperty(t)&&(e.types[t]=[t.charCodeAt(0),t.charCodeAt(1),t.charCodeAt(2),t.charCodeAt(3)]);var r=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),i=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]);e.HDLR_TYPES={video:r,audio:i};var n=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),a=new Uint8Array([0,0,0,0,0,0,0,0]);e.STTS=e.STSC=e.STCO=a,e.STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),e.VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0]),e.SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),e.STSD=new Uint8Array([0,0,0,0,0,0,0,1]);var s=new Uint8Array([105,115,111,109]),o=new Uint8Array([97,118,99,49]),l=new Uint8Array([0,0,0,1]);e.FTYP=e.box(e.types.ftyp,s,l,s,o),e.DINF=e.box(e.types.dinf,e.box(e.types.dref,n))},e.box=function(e){for(var t=8,r=arguments.length,i=new Array(r>1?r-1:0),n=1;n>24&255,o[1]=t>>16&255,o[2]=t>>8&255,o[3]=255&t,o.set(e,4),a=0,t=8;a>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,85,196,0,0]))},e.mdia=function(t){return e.box(e.types.mdia,e.mdhd(t.timescale||0,t.duration||0),e.hdlr(t.type),e.minf(t))},e.mfhd=function(t){return e.box(e.types.mfhd,new Uint8Array([0,0,0,0,t>>24,t>>16&255,t>>8&255,255&t]))},e.minf=function(t){return"audio"===t.type?e.box(e.types.minf,e.box(e.types.smhd,e.SMHD),e.DINF,e.stbl(t)):e.box(e.types.minf,e.box(e.types.vmhd,e.VMHD),e.DINF,e.stbl(t))},e.moof=function(t,r,i){return e.box(e.types.moof,e.mfhd(t),e.traf(i,r))},e.moov=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trak(t[r]);return e.box.apply(null,[e.types.moov,e.mvhd(t[0].timescale||0,t[0].duration||0)].concat(i).concat(e.mvex(t)))},e.mvex=function(t){for(var r=t.length,i=[];r--;)i[r]=e.trex(t[r]);return e.box.apply(null,[e.types.mvex].concat(i))},e.mvhd=function(t,r){r*=t;var i=Math.floor(r/(Bn+1)),n=Math.floor(r%(Bn+1)),a=new Uint8Array([1,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,t>>24&255,t>>16&255,t>>8&255,255&t,i>>24,i>>16&255,i>>8&255,255&i,n>>24,n>>16&255,n>>8&255,255&n,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return e.box(e.types.mvhd,a)},e.sdtp=function(t){var r,i,n=t.samples||[],a=new Uint8Array(4+n.length);for(r=0;r>>8&255),a.push(255&n),a=a.concat(Array.prototype.slice.call(i));for(r=0;r>>8&255),s.push(255&n),s=s.concat(Array.prototype.slice.call(i));var o=e.box(e.types.avcC,new Uint8Array([1,a[3],a[4],a[5],255,224|t.sps.length].concat(a).concat([t.pps.length]).concat(s))),l=t.width,u=t.height,d=t.pixelRatio[0],h=t.pixelRatio[1];return e.box(e.types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,l>>8&255,255&l,u>>8&255,255&u,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),o,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([d>>24,d>>16&255,d>>8&255,255&d,h>>24,h>>16&255,h>>8&255,255&h])))},e.esds=function(e){var t=e.config;return new Uint8Array([0,0,0,0,3,25,0,1,0,4,17,64,21,0,0,0,0,0,0,0,0,0,0,0,5,2].concat(t,[6,1,2]))},e.audioStsd=function(e){var t=e.samplerate||0;return new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,e.channelCount||0,0,16,0,0,0,0,t>>8&255,255&t,0,0])},e.mp4a=function(t){return e.box(e.types.mp4a,e.audioStsd(t),e.box(e.types.esds,e.esds(t)))},e.mp3=function(t){return e.box(e.types[".mp3"],e.audioStsd(t))},e.ac3=function(t){return e.box(e.types["ac-3"],e.audioStsd(t),e.box(e.types.dac3,t.config))},e.stsd=function(t){var r=t.segmentCodec;if("audio"===t.type){if("aac"===r)return e.box(e.types.stsd,e.STSD,e.mp4a(t));if("ac3"===r&&t.config)return e.box(e.types.stsd,e.STSD,e.ac3(t));if("mp3"===r&&"mp3"===t.codec)return e.box(e.types.stsd,e.STSD,e.mp3(t))}else{if(!t.pps||!t.sps)throw new Error("video track missing pps or sps");if("avc"===r)return e.box(e.types.stsd,e.STSD,e.avc1(t));if("hevc"===r&&t.vps)return e.box(e.types.stsd,e.STSD,e.hvc1(t))}throw new Error("unsupported "+t.type+" segment codec ("+r+"/"+t.codec+")")},e.tkhd=function(t){var r=t.id,i=(t.duration||0)*(t.timescale||0),n=t.width||0,a=t.height||0,s=Math.floor(i/(Bn+1)),o=Math.floor(i%(Bn+1));return e.box(e.types.tkhd,new Uint8Array([1,0,0,7,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,3,r>>24&255,r>>16&255,r>>8&255,255&r,0,0,0,0,s>>24,s>>16&255,s>>8&255,255&s,o>>24,o>>16&255,o>>8&255,255&o,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,n>>8&255,255&n,0,0,a>>8&255,255&a,0,0]))},e.traf=function(t,r){var i=e.sdtp(t),n=t.id,a=Math.floor(r/(Bn+1)),s=Math.floor(r%(Bn+1));return e.box(e.types.traf,e.box(e.types.tfhd,new Uint8Array([0,0,0,0,n>>24,n>>16&255,n>>8&255,255&n])),e.box(e.types.tfdt,new Uint8Array([1,0,0,0,a>>24,a>>16&255,a>>8&255,255&a,s>>24,s>>16&255,s>>8&255,255&s])),e.trun(t,i.length+16+20+8+16+8+8),i)},e.trak=function(t){return t.duration=t.duration||4294967295,e.box(e.types.trak,e.tkhd(t),e.mdia(t))},e.trex=function(t){var r=t.id;return e.box(e.types.trex,new Uint8Array([0,0,0,0,r>>24,r>>16&255,r>>8&255,255&r,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]))},e.trun=function(t,r){var i,n,a,s,o,l,u=t.samples||[],d=u.length,h=12+16*d,f=new Uint8Array(h);for(r+=8+h,f.set(["video"===t.type?1:0,0,15,1,d>>>24&255,d>>>16&255,d>>>8&255,255&d,r>>>24&255,r>>>16&255,r>>>8&255,255&r],0),i=0;i>>24&255,a>>>16&255,a>>>8&255,255&a,s>>>24&255,s>>>16&255,s>>>8&255,255&s,o.isLeading<<2|o.dependsOn,o.isDependedOn<<6|o.hasRedundancy<<4|o.paddingValue<<1|o.isNonSync,61440&o.degradPrio,15&o.degradPrio,l>>>24&255,l>>>16&255,l>>>8&255,255&l],12+16*i);return e.box(e.types.trun,f)},e.initSegment=function(t){e.types||e.init();var r=e.moov(t);return Le(e.FTYP,r)},e.hvc1=function(t){for(var r=t.params,i=[t.vps,t.sps,t.pps],n=new Uint8Array([1,r.general_profile_space<<6|(r.general_tier_flag?32:0)|r.general_profile_idc,r.general_profile_compatibility_flags[0],r.general_profile_compatibility_flags[1],r.general_profile_compatibility_flags[2],r.general_profile_compatibility_flags[3],r.general_constraint_indicator_flags[0],r.general_constraint_indicator_flags[1],r.general_constraint_indicator_flags[2],r.general_constraint_indicator_flags[3],r.general_constraint_indicator_flags[4],r.general_constraint_indicator_flags[5],r.general_level_idc,240|r.min_spatial_segmentation_idc>>8,255&r.min_spatial_segmentation_idc,252|r.parallelismType,252|r.chroma_format_idc,248|r.bit_depth_luma_minus8,248|r.bit_depth_chroma_minus8,0,parseInt(r.frame_rate.fps),3|r.temporal_id_nested<<2|r.num_temporal_layers<<3|(r.frame_rate.fixed?64:0),i.length]),a=n.length,s=0;s>8,255&i[d][h].length]),a),a+=2,l.set(i[d][h],a),a+=i[d][h].length}var f=e.box(e.types.hvcC,l),c=t.width,g=t.height,v=t.pixelRatio[0],m=t.pixelRatio[1];return e.box(e.types.hvc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,c>>8&255,255&c,g>>8&255,255&g,0,72,0,0,0,72,0,0,0,0,0,0,0,1,18,100,97,105,108,121,109,111,116,105,111,110,47,104,108,115,46,106,115,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),f,e.box(e.types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192])),e.box(e.types.pasp,new Uint8Array([v>>24,v>>16&255,v>>8&255,255&v,m>>24,m>>16&255,m>>8&255,255&m])))},e}();Gn.types=void 0,Gn.HDLR_TYPES=void 0,Gn.STTS=void 0,Gn.STSC=void 0,Gn.STCO=void 0,Gn.STSZ=void 0,Gn.VMHD=void 0,Gn.SMHD=void 0,Gn.STSD=void 0,Gn.FTYP=void 0,Gn.DINF=void 0;var Kn=9e4;function Vn(e,t,r,i){void 0===r&&(r=1),void 0===i&&(i=!1);var n=e*t*r;return i?Math.round(n):n}function Hn(e,t){return Vn(e,1e3,1/Kn,t)}function Yn(e){var t=e.baseTime,r=e.timescale;return t/r+" ("+t+"/"+r+") trackId: "+e.trackId}var Wn=null,jn=null;function qn(e,t,r,i){return{duration:t,size:r,cts:i,flags:{isLeading:0,isDependedOn:0,hasRedundancy:0,degradPrio:0,dependsOn:e?2:1,isNonSync:e?0:1}}}var Xn=function(e){function t(t,r,i,n){var a;if((a=e.call(this,"mp4-remuxer",n)||this).observer=void 0,a.config=void 0,a.typeSupported=void 0,a.ISGenerated=!1,a._initPTS=null,a._initDTS=null,a.nextVideoTs=null,a.nextAudioTs=null,a.videoSampleDuration=null,a.isAudioContiguous=!1,a.isVideoContiguous=!1,a.videoTrackConfig=void 0,a.observer=t,a.config=r,a.typeSupported=i,a.ISGenerated=!1,null===Wn){var s=(navigator.userAgent||"").match(/Chrome\/(\d+)/i);Wn=s?parseInt(s[1]):0}if(null===jn){var o=navigator.userAgent.match(/Safari\/(\d+)/i);jn=o?parseInt(o[1]):0}return a}o(t,e);var r=t.prototype;return r.destroy=function(){this.config=this.videoTrackConfig=this._initPTS=this._initDTS=null},r.resetTimeStamp=function(e){var t=this._initPTS;t&&e&&e.trackId===t.trackId&&e.baseTime===t.baseTime&&e.timescale===t.timescale||this.log("Reset initPTS: "+(t?Yn(t):t)+" > "+(e?Yn(e):e)),this._initPTS=this._initDTS=e},r.resetNextTimestamp=function(){this.log("reset next timestamp"),this.isVideoContiguous=!1,this.isAudioContiguous=!1},r.resetInitSegment=function(){this.log("ISGenerated flag reset"),this.ISGenerated=!1,this.videoTrackConfig=void 0},r.getVideoStartPts=function(e){var t=!1,r=e[0].pts,i=e.reduce((function(e,i){var n=i.pts,a=n-e;return a<-4294967296&&(t=!0,a=(n=Qn(n,r))-e),a>0?e:n}),r);return t&&this.debug("PTS rollover detected"),i},r.remux=function(e,t,r,i,n,a,s,o){var l,u,d,h,f,c,g=n,v=n,m=e.pid>-1,p=t.pid>-1,y=t.samples.length,E=e.samples.length>0,T=s&&y>0||y>1;if((!m||E)&&(!p||T)||this.ISGenerated||s){if(this.ISGenerated){var S,A,L,I,R=this.videoTrackConfig;(R&&(t.width!==R.width||t.height!==R.height||(null==(S=t.pixelRatio)?void 0:S[0])!==(null==(A=R.pixelRatio)?void 0:A[0])||(null==(L=t.pixelRatio)?void 0:L[1])!==(null==(I=R.pixelRatio)?void 0:I[1]))||!R&&T||null===this.nextAudioTs&&E)&&this.resetInitSegment()}this.ISGenerated||(d=this.generateIS(e,t,n,a));var k,b=this.isVideoContiguous,D=-1;if(T&&(D=function(e){for(var t=0;t0){this.warn("Dropped "+D+" out of "+y+" video samples due to a missing keyframe");var _=this.getVideoStartPts(t.samples);t.samples=t.samples.slice(D),t.dropped+=D,k=v+=(t.samples[0].pts-_)/t.inputTimeScale}else-1===D&&(this.warn("No keyframe found out of "+y+" video samples"),c=!1);if(this.ISGenerated){if(E&&T){var P=this.getVideoStartPts(t.samples),C=(Qn(e.samples[0].pts,P)-P)/t.inputTimeScale;g+=Math.max(0,C),v+=Math.max(0,-C)}if(E){if(e.samplerate||(this.warn("regenerate InitSegment as audio detected"),d=this.generateIS(e,t,n,a)),u=this.remuxAudio(e,g,this.isAudioContiguous,a,p||T||o===O?v:void 0),T){var w=u?u.endPTS-u.startPTS:0;t.inputTimeScale||(this.warn("regenerate InitSegment as video detected"),d=this.generateIS(e,t,n,a)),l=this.remuxVideo(t,v,b,w)}}else T&&(l=this.remuxVideo(t,v,b,0));l&&(l.firstKeyFrame=D,l.independent=-1!==D,l.firstKeyFramePTS=k)}}return this.ISGenerated&&this._initPTS&&this._initDTS&&(r.samples.length&&(f=zn(r,n,this._initPTS,this._initDTS)),i.samples.length&&(h=$n(i,n,this._initPTS))),{audio:u,video:l,initSegment:d,independent:c,text:h,id3:f}},r.computeInitPts=function(e,t,r,i){var n=Math.round(r*t),a=Qn(e,n);if(a0?A-1:A].dts&&(y=!0)}y&&l.sort((function(e,t){var r=e.dts-t.dts,i=e.pts-t.pts;return r||i})),n=l[0].dts;var I=(s=l[l.length-1].dts)-n,D=I?Math.round(I/(d-1)):v||e.inputTimeScale/30;if(r){var _=n-S,P=_>D,C=_<-1;if((P||C)&&(P?this.warn((e.segmentCodec||"").toUpperCase()+": "+Hn(_,!0)+" ms ("+_+"dts) hole between fragments detected at "+t.toFixed(3)):this.warn((e.segmentCodec||"").toUpperCase()+": "+Hn(-_,!0)+" ms ("+_+"dts) overlapping between fragments detected at "+t.toFixed(3)),!C||S>=l[0].pts||Wn)){n=S;var w=l[0].pts-_;if(P)l[0].dts=n,l[0].pts=w;else for(var O=!0,x=0;xw&&O);x++){var M=l[x].pts;if(l[x].dts-=_,l[x].pts-=_,x0?te.dts-l[ee-1].dts:D;if(ue=ee>0?te.pts-l[ee-1].pts:D,de.stretchShortVideoTrack&&null!==this.nextAudioTs){var fe=Math.floor(de.maxBufferHole*o),ce=(i?m+i*o:this.nextAudioTs+f)-te.pts;ce>fe?((v=ce-he)<0?v=he:Q=!0,this.log("It is approximately "+ce/90+" ms to the next segment; using duration "+v/90+" ms for the last video frame.")):v=he}else v=he}var ge=Math.round(te.pts-te.dts);z=Math.min(z,v),Z=Math.max(Z,v),$=Math.min($,ue),J=Math.max(J,ue),u.push(qn(te.key,v,ie,ge))}if(u.length)if(Wn){if(Wn<70){var ve=u[0].flags;ve.dependsOn=2,ve.isNonSync=0}}else if(jn&&J-$0&&(i&&Math.abs(y-(m+p))<9e3||Math.abs(Qn(g[0].pts,y)-(m+p))<20*u),g.forEach((function(e){e.pts=Qn(e.pts,y)})),!r||m<0){var E=g.length;if(g=g.filter((function(e){return e.pts>=0})),E!==g.length&&this.warn("Removed "+(g.length-E)+" of "+E+" samples (initPTS "+p+" / "+s+")"),!g.length)return;m=0===n?0:i&&!c?Math.max(0,y-p):g[0].pts-p}if("aac"===e.segmentCodec)for(var T=this.config.maxAudioFramesDrift,S=0,A=m+p;S=T*u&&_<1e4&&c){var P=Math.round(D/u);for(A=I-P*u;A<0&&P&&u;)P--,A+=u;0===S&&(this.nextAudioTs=m=A-p),this.warn("Injecting "+P+" audio frames @ "+((A-p)/s).toFixed(3)+"s due to "+Math.round(1e3*D/s)+" ms gap.");for(var C=0;C0))return;F+=v;try{O=new Uint8Array(F)}catch(e){return void this.observer.emit(b.ERROR,b.ERROR,{type:R.MUX_ERROR,details:k.REMUX_ALLOC_ERROR,fatal:!1,error:e,bytes:F,reason:"fail allocating audio mdat "+F})}h||(new DataView(O.buffer).setUint32(0,F),O.set(Gn.types.mdat,4))}O.set(K,v);var H=K.byteLength;v+=H,f.push(qn(!0,l,H,0)),M=V}var Y=f.length;if(Y){var W=f[f.length-1];m=M-p,this.nextAudioTs=m+o*W.duration;var j=h?new Uint8Array(0):Gn.moof(e.sequenceNumber++,x/o,a({},e,{samples:f}));e.samples=[];var q=(x-p)/s,X=this.nextAudioTs/s,Q={data1:j,data2:O,startPTS:q,endPTS:X,startDTS:q,endDTS:X,type:"audio",hasAudio:!0,hasVideo:!1,nb:Y};return this.isAudioContiguous=!0,Q}},t}(N);function Qn(e,t){var r;if(null===t)return e;for(r=t4294967296;)e+=r;return e}function zn(e,t,r,i){var n=e.samples.length;if(n){for(var a=e.inputTimeScale,s=0;ssinf>>tenc' box: "+X(i)+" -> "+X(r)),e.set(r,8))}))}}(e,t);else{var o=a||s;null!=o&&o.encrypted&&this.warn('Init segment with encrypted track with has no key ("'+o.codec+'")!')}a&&(r=ta(a,$,this)),s&&(i=ta(s,Z,this));var l={};a&&s?l.audiovideo={container:"video/mp4",codec:r+","+i,supplemental:s.supplemental,encrypted:s.encrypted,initSegment:e,id:"main"}:a?l.audio={container:"audio/mp4",codec:r,encrypted:a.encrypted,initSegment:e,id:"audio"}:s?l.video={container:"video/mp4",codec:i,supplemental:s.supplemental,encrypted:s.encrypted,initSegment:e,id:"main"}:this.warn("initSegment does not contain moov or trak boxes."),this.initTracks=l},r.remux=function(e,t,r,i,n,a){var s,o,l=this.initPTS,u=this.lastEndTime,d={audio:void 0,video:void 0,text:i,id3:r,initSegment:void 0};A(u)||(u=this.lastEndTime=n||0);var h=t.samples;if(!h.length)return d;var f={initPTS:void 0,timescale:void 0,trackId:void 0},c=this.initData;if(null!=(s=c)&&s.length||(this.generateInitSegment(h),c=this.initData),null==(o=c)||!o.length)return this.warn("Failed to generate initSegment."),d;this.emitInitSegment&&(f.tracks=this.initTracks,this.emitInitSegment=!1);var g=function(e,t,r){for(var i={},n=ce(e,["moof","traf"]),a=0;an}(l,S,n,L)&&k===l.timescale||(l&&this.warn("Timestamps at playlist time: "+(a?"":"~")+n+" "+b/k+" != initPTS: "+l.baseTime/l.timescale+" ("+l.baseTime+"/"+l.timescale+") trackId: "+l.trackId),this.log("Found initPTS at playlist time: "+n+" offset: "+(S-n)+" ("+b+"/"+k+") trackId: "+D),l=null,f.initPTS=b,f.timescale=k,f.trackId=D)}else this.warn("No audio or video samples found for initPTS at playlist time: "+n);l?(f.initPTS=l.baseTime,f.timescale=l.timescale,f.trackId=l.trackId):(f.timescale&&void 0!==f.trackId&&void 0!==f.initPTS||(this.warn("Could not set initPTS"),f.initPTS=S,f.timescale=1,f.trackId=-1),this.initPTS=l={baseTime:f.initPTS,timescale:f.timescale,trackId:f.trackId});var _=S-l.baseTime/l.timescale,P=_+L;L>0?this.lastEndTime=P:(this.warn("Duration parsed from mp4 should be greater than zero"),this.resetNextTimestamp());var C=!!c.audio,w=!!c.video,O="";C&&(O+="audio"),w&&(O+="video");var x={data1:h,startPTS:_,startDTS:_,endPTS:P,endDTS:P,type:O,hasAudio:C,hasVideo:w,nb:1,dropped:0,encrypted:!!c.audio&&c.audio.encrypted||!!c.video&&c.video.encrypted};d.audio=C&&!w?x:void 0,d.video=w?x:void 0;var M=null==m?void 0:m.sampleCount;if(M){var F=m.keyFrameIndex,N=-1!==F;x.nb=M,x.dropped=0===F||this.isVideoContiguous?0:N?F:M,x.independent=N,x.firstKeyFrame=F,N&&m.keyFrameStart&&(x.firstKeyFramePTS=(m.keyFrameStart-l.baseTime)/l.timescale),this.isVideoContiguous||(d.independent=N),this.isVideoContiguous||(this.isVideoContiguous=N),x.dropped&&this.warn("fmp4 does not start with IDR: firstIDR "+F+"/"+M+" dropped: "+x.dropped+" start: "+(x.firstKeyFramePTS||"NA"))}return d.initSegment=f,d.id3=zn(r,n,l,l),i.samples.length&&(d.text=$n(i,n,l)),d},t}(N);function ea(e,t,r){return void 0===r&&(r=!1),void 0!==(null==e?void 0:e.start)?(e.start+(r?e.duration:0))/e.timescale:t}function ta(e,t,r){var i=e.codec;return i&&i.length>4?i:t===$?"ec-3"===i||"ac-3"===i||"alac"===i?i:"fLaC"===i||"Opus"===i?Ke(i,!1):(r.warn('Unhandled audio codec "'+i+'" in mp4 MAP'),i||"mp4a"):(r.warn('Unhandled video codec "'+i+'" in mp4 MAP'),i||"avc1")}try{Zn=self.performance.now.bind(self.performance)}catch(e){Zn=Date.now}var ra=[{demux:Ln,remux:Jn},{demux:Cn,remux:Xn},{demux:pn,remux:Xn},{demux:Sn,remux:Xn}];ra.splice(2,0,{demux:En,remux:Xn});var ia=function(){function e(e,t,r,i,n,a){this.asyncResult=!1,this.logger=void 0,this.observer=void 0,this.typeSupported=void 0,this.config=void 0,this.id=void 0,this.demuxer=void 0,this.remuxer=void 0,this.decrypter=void 0,this.probe=void 0,this.decryptionPromise=null,this.transmuxConfig=void 0,this.currentTransmuxState=void 0,this.observer=e,this.typeSupported=t,this.config=r,this.id=n,this.logger=a}var t=e.prototype;return t.configure=function(e){this.transmuxConfig=e,this.decrypter&&this.decrypter.reset()},t.push=function(e,t,r,i){var n=this,a=r.transmuxing;a.executeStart=Zn();var s=new Uint8Array(e),o=this.currentTransmuxState,l=this.transmuxConfig;i&&(this.currentTransmuxState=i);var u=i||o,d=u.contiguous,h=u.discontinuity,f=u.trackSwitch,c=u.accurateTimeOffset,g=u.timeOffset,v=u.initSegmentChange,m=l.audioCodec,p=l.videoCodec,y=l.defaultInitPts,E=l.duration,T=l.initSegmentData,S=function(e,t){var r=null;return e.byteLength>0&&null!=(null==t?void 0:t.key)&&null!==t.iv&&null!=t.method&&(r=t),r}(s,t);if(S&&Ir(S.method)){var A=this.getDecrypter(),L=Rr(S.method);if(!A.isSync())return this.asyncResult=!0,this.decryptionPromise=A.webCryptoDecrypt(s,S.key.buffer,S.iv.buffer,L).then((function(e){var t=n.push(e,null,r);return n.decryptionPromise=null,t})),this.decryptionPromise;var I=A.softwareDecrypt(s,S.key.buffer,S.iv.buffer,L);if(r.part>-1){var D=A.flush();I=D?D.buffer:D}if(!I)return a.executeEnd=Zn(),na(r);s=new Uint8Array(I)}var _=this.needsProbing(h,f);if(_){var P=this.configureTransmuxer(s);if(P)return this.logger.warn("[transmuxer] "+P.message),this.observer.emit(b.ERROR,b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_PARSING_ERROR,fatal:!1,error:P,reason:P.message}),a.executeEnd=Zn(),na(r)}(h||f||v||_)&&this.resetInitSegment(T,m,p,E,t),(h||v||_)&&this.resetInitialTimestamp(y),d||this.resetContiguity();var C=this.transmux(s,S,g,c,r);this.asyncResult=aa(C);var w=this.currentTransmuxState;return w.contiguous=!0,w.discontinuity=!1,w.trackSwitch=!1,a.executeEnd=Zn(),C},t.flush=function(e){var t=this,r=e.transmuxing;r.executeStart=Zn();var i=this.decrypter,n=this.currentTransmuxState,a=this.decryptionPromise;if(a)return this.asyncResult=!0,a.then((function(){return t.flush(e)}));var s=[],o=n.timeOffset;if(i){var l=i.flush();l&&s.push(this.push(l.buffer,null,e))}var u=this.demuxer,d=this.remuxer;if(!u||!d){r.executeEnd=Zn();var h=[na(e)];return this.asyncResult?Promise.resolve(h):h}var f=u.flush(o);return aa(f)?(this.asyncResult=!0,f.then((function(r){return t.flushRemux(s,r,e),s}))):(this.flushRemux(s,f,e),this.asyncResult?Promise.resolve(s):s)},t.flushRemux=function(e,t,r){var i=t.audioTrack,n=t.videoTrack,a=t.id3Track,s=t.textTrack,o=this.currentTransmuxState,l=o.accurateTimeOffset,u=o.timeOffset;this.logger.log("[transmuxer.ts]: Flushed "+this.id+" sn: "+r.sn+(r.part>-1?" part: "+r.part:"")+" of "+(this.id===w?"level":"track")+" "+r.level);var d=this.remuxer.remux(i,n,a,s,u,l,!0,this.id);e.push({remuxResult:d,chunkMeta:r}),r.transmuxing.executeEnd=Zn()},t.resetInitialTimestamp=function(e){var t=this.demuxer,r=this.remuxer;t&&r&&(t.resetTimeStamp(e),r.resetTimeStamp(e))},t.resetContiguity=function(){var e=this.demuxer,t=this.remuxer;e&&t&&(e.resetContiguity(),t.resetNextTimestamp())},t.resetInitSegment=function(e,t,r,i,n){var a=this.demuxer,s=this.remuxer;a&&s&&(a.resetInitSegment(e,t,r,i),s.resetInitSegment(e,t,r,n))},t.destroy=function(){this.demuxer&&(this.demuxer.destroy(),this.demuxer=void 0),this.remuxer&&(this.remuxer.destroy(),this.remuxer=void 0)},t.transmux=function(e,t,r,i,n){return t&&"SAMPLE-AES"===t.method?this.transmuxSampleAes(e,t,r,i,n):this.transmuxUnencrypted(e,r,i,n)},t.transmuxUnencrypted=function(e,t,r,i){var n=this.demuxer.demux(e,t,!1,!this.config.progressive),a=n.audioTrack,s=n.videoTrack,o=n.id3Track,l=n.textTrack;return{remuxResult:this.remuxer.remux(a,s,o,l,t,r,!1,this.id),chunkMeta:i}},t.transmuxSampleAes=function(e,t,r,i,n){var a=this;return this.demuxer.demuxSampleAes(e,t,r).then((function(e){return{remuxResult:a.remuxer.remux(e.audioTrack,e.videoTrack,e.id3Track,e.textTrack,r,i,!1,a.id),chunkMeta:n}}))},t.configureTransmuxer=function(e){for(var t,r=this.config,i=this.observer,n=this.typeSupported,a=0,s=ra.length;a1&&l.id===(null==p?void 0:p.stats.chunkCount),L=!E&&(1===T||0===T&&(1===S||A&&S<=0)),I=self.performance.now();(E||T||0===n.stats.parsing.start)&&(n.stats.parsing.start=I),!a||!S&&L||(a.stats.parsing.start=I);var R=!(p&&(null==(d=n.initSegment)?void 0:d.url)===(null==(h=p.initSegment)?void 0:h.url)),k=new oa(y,L,o,E,v,R);if(!L||y||R){this.hls.logger.log("[transmuxer-interface]: Starting new transmux session for "+n.type+" sn: "+l.sn+(l.part>-1?" part: "+l.part:"")+" "+(this.id===w?"level":"track")+": "+l.level+" id: "+l.id+"\n discontinuity: "+y+"\n trackSwitch: "+E+"\n contiguous: "+L+"\n accurateTimeOffset: "+o+"\n timeOffset: "+v+"\n initSegmentChange: "+R);var b=new sa(r,i,t,s,u);this.configureTransmuxer(b)}if(this.frag=n,this.part=a,this.workerContext)this.workerContext.worker.postMessage({instanceNo:c,cmd:"demux",data:e,decryptdata:m,chunkMeta:l,state:k},e instanceof ArrayBuffer?[e]:[]);else if(g){var D=g.push(e,m,l,k);aa(D)?D.then((function(e){f.handleTransmuxComplete(e)})).catch((function(e){f.transmuxerError(e,l,"transmuxer-interface push error")})):this.handleTransmuxComplete(D)}},r.flush=function(e){var t=this;e.transmuxing.start=self.performance.now();var r=this.instanceNo,i=this.transmuxer;if(this.workerContext)this.workerContext.worker.postMessage({instanceNo:r,cmd:"flush",chunkMeta:e});else if(i){var n=i.flush(e);aa(n)?n.then((function(r){t.handleFlushResult(r,e)})).catch((function(r){t.transmuxerError(r,e,"transmuxer-interface flush error")})):this.handleFlushResult(n,e)}},r.transmuxerError=function(e,t,r){this.hls&&(this.error=e,this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_PARSING_ERROR,chunkMeta:t,frag:this.frag||void 0,part:this.part||void 0,fatal:!1,error:e,err:e,reason:r}))},r.handleFlushResult=function(e,t){var r=this;e.forEach((function(e){r.handleTransmuxComplete(e)})),this.onFlush(t)},r.configureTransmuxer=function(e){var t=this.instanceNo,r=this.transmuxer;this.workerContext?this.workerContext.worker.postMessage({instanceNo:t,cmd:"configure",config:e}):r&&r.configure(e)},r.handleTransmuxComplete=function(e){e.chunkMeta.transmuxing.end=self.performance.now(),this.onTransmuxComplete(e)},t}(),pa=function(e){function t(t,r,i){var n;return(n=e.call(this,t,r,i,"audio-stream-controller",O)||this).mainAnchor=null,n.mainFragLoading=null,n.audioOnly=!1,n.bufferedTrack=null,n.switchingTrack=null,n.trackId=-1,n.waitingData=null,n.mainDetails=null,n.flushing=!1,n.bufferFlushed=!1,n.cachedTrackLoadedData=null,n.registerListeners(),n}o(t,e);var r=t.prototype;return r.onHandlerDestroying=function(){this.unregisterListeners(),e.prototype.onHandlerDestroying.call(this),this.resetItem()},r.resetItem=function(){this.mainDetails=this.mainAnchor=this.mainFragLoading=this.bufferedTrack=this.switchingTrack=this.waitingData=this.cachedTrackLoadedData=null},r.registerListeners=function(){e.prototype.registerListeners.call(this);var t=this.hls;t.on(b.LEVEL_LOADED,this.onLevelLoaded,this),t.on(b.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.on(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(b.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.on(b.BUFFER_RESET,this.onBufferReset,this),t.on(b.BUFFER_CREATED,this.onBufferCreated,this),t.on(b.BUFFER_FLUSHING,this.onBufferFlushing,this),t.on(b.BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(b.INIT_PTS_FOUND,this.onInitPtsFound,this),t.on(b.FRAG_LOADING,this.onFragLoading,this),t.on(b.FRAG_BUFFERED,this.onFragBuffered,this)},r.unregisterListeners=function(){var t=this.hls;t&&(e.prototype.unregisterListeners.call(this),t.off(b.LEVEL_LOADED,this.onLevelLoaded,this),t.off(b.AUDIO_TRACKS_UPDATED,this.onAudioTracksUpdated,this),t.off(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(b.AUDIO_TRACK_LOADED,this.onAudioTrackLoaded,this),t.off(b.BUFFER_RESET,this.onBufferReset,this),t.off(b.BUFFER_CREATED,this.onBufferCreated,this),t.off(b.BUFFER_FLUSHING,this.onBufferFlushing,this),t.off(b.BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(b.INIT_PTS_FOUND,this.onInitPtsFound,this),t.off(b.FRAG_LOADING,this.onFragLoading,this),t.off(b.FRAG_BUFFERED,this.onFragBuffered,this))},r.onInitPtsFound=function(e,t){var r=t.frag,i=t.id,n=t.initPTS,a=t.timescale,s=t.trackId;if(i===w){var o=r.cc,l=this.fragCurrent;if(this.initPTS[o]={baseTime:n,timescale:a,trackId:s},this.log("InitPTS for cc: "+o+" found from main: "+n/a+" ("+n+"/"+a+") trackId: "+s),this.mainAnchor=r,this.state===_i.WAITING_INIT_PTS){var u=this.waitingData;(!u&&!this.loadingParts||u&&u.frag.cc!==o)&&this.syncWithAnchor(r,null==u?void 0:u.frag)}else!this.hls.hasEnoughToStart&&l&&l.cc!==o?(l.abortRequests(),this.syncWithAnchor(r,l)):this.state===_i.IDLE&&this.tick()}},r.getLoadPosition=function(){return!this.startFragRequested&&this.nextLoadPosition>=0?this.nextLoadPosition:e.prototype.getLoadPosition.call(this)},r.syncWithAnchor=function(e,t){var r,i=(null==(r=this.mainFragLoading)?void 0:r.frag)||null;if(!t||(null==i?void 0:i.cc)!==t.cc){var n=(i||e).cc,a=Lt(this.getLevelDetails(),n,this.getLoadPosition());a&&(this.log("Syncing with main frag at "+a.start+" cc "+a.cc),this.startFragRequested=!1,this.nextLoadPosition=a.start,this.resetLoadingState(),this.state===_i.IDLE&&this.doTickIdle())}},r.startLoad=function(e,t){if(!this.levels)return this.startPosition=e,void(this.state=_i.STOPPED);var r=this.lastCurrentTime;this.stopLoad(),this.setInterval(100),r>0&&-1===e?(this.log("Override startPosition with lastCurrentTime @"+r.toFixed(3)),e=r,this.state=_i.IDLE):this.state=_i.WAITING_TRACK,this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()},r.doTick=function(){switch(this.state){case _i.IDLE:this.doTickIdle();break;case _i.WAITING_TRACK:var t=this.levels,r=this.trackId,i=null==t?void 0:t[r],n=null==i?void 0:i.details;if(n&&!this.waitForLive(i)){if(this.waitForCdnTuneIn(n))break;this.state=_i.WAITING_INIT_PTS}break;case _i.FRAG_LOADING_WAITING_RETRY:this.checkRetryDate();break;case _i.WAITING_INIT_PTS:var a=this.waitingData;if(a){var s=a.frag,o=a.part,l=a.cache,u=a.complete,d=this.mainAnchor;if(void 0!==this.initPTS[s.cc]){this.waitingData=null,this.state=_i.FRAG_LOADING;var h={frag:s,part:o,payload:l.flush().buffer,networkDetails:null};this._handleFragmentLoadProgress(h),u&&e.prototype._handleFragmentLoadComplete.call(this,h)}else d&&d.cc!==a.frag.cc&&this.syncWithAnchor(d,a.frag)}else this.state=_i.IDLE}this.onTickEnd()},r.resetLoadingState=function(){var t=this.waitingData;t&&(this.fragmentTracker.removeFragment(t.frag),this.waitingData=null),e.prototype.resetLoadingState.call(this)},r.onTickEnd=function(){var e=this.media;null!=e&&e.readyState&&(this.lastCurrentTime=e.currentTime)},r.doTickIdle=function(){var e,t=this.hls,r=this.levels,i=this.media,n=this.trackId,a=t.config;if(this.buffering&&(i||this.primaryPrefetch||!this.startFragRequested&&a.startFragPrefetch)&&null!=r&&r[n]){var s=r[n],o=s.details;if(!o||this.waitForLive(s)||this.waitForCdnTuneIn(o))return this.state=_i.WAITING_TRACK,void(this.startFragRequested=!1);var l=this.mediaBuffer?this.mediaBuffer:this.media;this.bufferFlushed&&l&&(this.bufferFlushed=!1,this.afterBufferFlushed(l,$,O));var u=this.getFwdBufferInfo(l,O);if(null!==u){if(!this.switchingTrack&&this._streamEnded(u,o))return t.trigger(b.BUFFER_EOS,{type:"audio"}),void(this.state=_i.ENDED);var d=u.len,h=t.maxBufferLength,f=o.fragments,c=f[0].start,g=this.getLoadPosition(),v=this.flushing?g:u.end;if(this.switchingTrack&&i){var m=g;o.PTSKnown&&mc||u.nextStart)&&(this.log("Alt audio track ahead of main track, seek to start of alt audio track"),i.currentTime=c+.05)}if(!(d>=h&&!this.switchingTrack&&vy.end){var E=this.fragmentTracker.getFragAtPos(v,w);E&&E.end>y.end&&(y=E,this.mainFragLoading={frag:E,targetBufferTime:null})}if(p.start>y.end)return}this.loadFragment(p,s,v)}else this.bufferFlushed=!0}}}},r.onMediaDetaching=function(t,r){this.bufferFlushed=this.flushing=!1,e.prototype.onMediaDetaching.call(this,t,r)},r.onAudioTracksUpdated=function(e,t){var r=t.audioTracks;this.resetTransmuxer(),this.levels=r.map((function(e){return new st(e)}))},r.onAudioTrackSwitching=function(e,t){var r=!!t.url;this.trackId=t.id;var i=this.fragCurrent;i&&(i.abortRequests(),this.removeUnbufferedFrags(i.start)),this.resetLoadingState(),r?(this.switchingTrack=t,this.flushAudioIfNeeded(t),this.state!==_i.STOPPED&&(this.setInterval(100),this.state=_i.IDLE,this.tick())):(this.resetTransmuxer(),this.switchingTrack=null,this.bufferedTrack=t,this.clearInterval())},r.onManifestLoading=function(){e.prototype.onManifestLoading.call(this),this.bufferFlushed=this.flushing=this.audioOnly=!1,this.resetItem(),this.trackId=-1},r.onLevelLoaded=function(e,t){this.mainDetails=t.details;var r=this.cachedTrackLoadedData;r&&(this.cachedTrackLoadedData=null,this.onAudioTrackLoaded(b.AUDIO_TRACK_LOADED,r))},r.onAudioTrackLoaded=function(e,t){var r,i=this.levels,n=t.details,a=t.id,s=t.groupId,o=t.track;if(i){var l=this.mainDetails;if(!l||n.endCC>l.endCC||l.expired)return this.cachedTrackLoadedData=t,void(this.state!==_i.STOPPED&&(this.state=_i.WAITING_TRACK));this.cachedTrackLoadedData=null,this.log("Audio track "+a+' "'+o.name+'" of "'+s+'" loaded ['+n.startSN+","+n.endSN+"]"+(n.lastPartSn?"[part-"+n.lastPartSn+"-"+n.lastPartIndex+"]":"")+",duration:"+n.totalduration);var u=i[a],d=0;if(n.live||null!=(r=u.details)&&r.live){if(this.checkLiveUpdate(n),n.deltaUpdateFailed)return;var h;u.details&&(d=this.alignPlaylists(n,u.details,null==(h=this.levelLastLoaded)?void 0:h.details)),n.alignedSliding||(Ii(n,l),n.alignedSliding||Ri(n,l),d=n.fragmentStart)}u.details=n,this.levelLastLoaded=u,this.startFragRequested||this.setStartPosition(l,d),this.hls.trigger(b.AUDIO_TRACK_UPDATED,{details:n,id:a,groupId:t.groupId}),this.state!==_i.WAITING_TRACK||this.waitForCdnTuneIn(n)||(this.state=_i.IDLE),this.tick()}else this.warn("Audio tracks reset while loading track "+a+' "'+o.name+'" of "'+s+'"')},r._handleFragmentLoadProgress=function(e){var t,r=e.frag,i=e.part,n=e.payload,a=this.config,s=this.trackId,o=this.levels;if(o){var l=o[s];if(l){var u=l.details;if(!u)return this.warn("Audio track details undefined on fragment load progress"),void this.removeUnbufferedFrags(r.start);var d=a.defaultAudioCodec||l.audioCodec||"mp4a.40.2",h=this.transmuxer;h||(h=this.transmuxer=new ma(this.hls,O,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));var f=this.initPTS[r.cc],c=null==(t=r.initSegment)?void 0:t.data;if(void 0!==f){var g=i?i.index:-1,v=-1!==g,m=new lr(r.level,r.sn,r.stats.chunkCount,n.byteLength,g,v);h.push(n,c,d,"",r,i,u.totalduration,!1,m,f)}else this.log("Unknown video PTS for cc "+r.cc+", waiting for video PTS before demuxing audio frag "+r.sn+" of ["+u.startSN+" ,"+u.endSN+"],track "+s),(this.waitingData=this.waitingData||{frag:r,part:i,cache:new wi,complete:!1}).cache.push(new Uint8Array(n)),this.state!==_i.STOPPED&&(this.state=_i.WAITING_INIT_PTS)}else this.warn("Audio track is undefined on fragment load progress")}else this.warn("Audio tracks were reset while fragment load was in progress. Fragment "+r.sn+" of level "+r.level+" will not be buffered")},r._handleFragmentLoadComplete=function(t){this.waitingData?this.waitingData.complete=!0:e.prototype._handleFragmentLoadComplete.call(this,t)},r.onBufferReset=function(){this.mediaBuffer=null},r.onBufferCreated=function(e,t){this.bufferFlushed=this.flushing=!1;var r=t.tracks.audio;r&&(this.mediaBuffer=r.buffer||null)},r.onFragLoading=function(e,t){!this.audioOnly&&t.frag.type===w&&te(t.frag)&&(this.mainFragLoading=t,this.state===_i.IDLE&&this.tick())},r.onFragBuffered=function(e,t){var r=t.frag,i=t.part;if(r.type===O)if(this.fragContextChanged(r))this.warn("Fragment "+r.sn+(i?" p: "+i.index:"")+" of level "+r.level+" finished buffering, but was aborted. state: "+this.state+", audioSwitch: "+(this.switchingTrack?this.switchingTrack.name:"false"));else{if(te(r)){this.fragPrevious=r;var n=this.switchingTrack;n&&(this.bufferedTrack=n,this.switchingTrack=null,this.hls.trigger(b.AUDIO_TRACK_SWITCHED,d({},n)))}this.fragBufferedComplete(r,i),this.media&&this.tick()}else this.audioOnly||r.type!==w||r.elementaryStreams.video||r.elementaryStreams.audiovideo||(this.audioOnly=!0,this.mainFragLoading=null)},r.onError=function(t,r){var i;if(r.fatal)this.state=_i.ERROR;else switch(r.details){case k.FRAG_GAP:case k.FRAG_PARSING_ERROR:case k.FRAG_DECRYPT_ERROR:case k.FRAG_LOAD_ERROR:case k.FRAG_LOAD_TIMEOUT:case k.KEY_LOAD_ERROR:case k.KEY_LOAD_TIMEOUT:this.onFragmentOrKeyLoadError(O,r);break;case k.AUDIO_TRACK_LOAD_ERROR:case k.AUDIO_TRACK_LOAD_TIMEOUT:case k.LEVEL_PARSING_ERROR:r.levelRetry||this.state!==_i.WAITING_TRACK||(null==(i=r.context)?void 0:i.type)!==P||(this.state=_i.IDLE);break;case k.BUFFER_ADD_CODEC_ERROR:case k.BUFFER_APPEND_ERROR:if("audio"!==r.parent)return;this.reduceLengthAndFlushBuffer(r)||this.resetLoadingState();break;case k.BUFFER_FULL_ERROR:if("audio"!==r.parent)return;this.reduceLengthAndFlushBuffer(r)&&(this.bufferedTrack=null,e.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio"));break;case k.INTERNAL_EXCEPTION:this.recoverWorkerError(r)}},r.onBufferFlushing=function(e,t){t.type!==Z&&(this.flushing=!0)},r.onBufferFlushed=function(e,t){var r=t.type;if(r!==Z){this.flushing=!1,this.bufferFlushed=!0,this.state===_i.ENDED&&(this.state=_i.IDLE);var i=this.mediaBuffer||this.media;i&&(this.afterBufferFlushed(i,r,O),this.tick())}},r._handleTransmuxComplete=function(e){var t,r="audio",i=this.hls,n=e.remuxResult,s=e.chunkMeta,o=this.getCurrentContext(s);if(o){var l=o.frag,u=o.part,d=o.level,h=d.details,f=n.audio,c=n.text,g=n.id3,v=n.initSegment;if(!this.fragContextChanged(l)&&h){if(this.state=_i.PARSING,this.switchingTrack&&f&&this.completeAudioSwitch(this.switchingTrack),null!=v&&v.tracks){var m=l.initSegment||l;if(this.unhandledEncryptionError(v,l))return;this._bufferInitSegment(d,v.tracks,m,s),i.trigger(b.FRAG_PARSING_INIT_SEGMENT,{frag:m,id:r,tracks:v.tracks})}if(f){var p=f.startPTS,y=f.endPTS,E=f.startDTS,T=f.endDTS;u&&(u.elementaryStreams[$]={startPTS:p,endPTS:y,startDTS:E,endDTS:T}),l.setElementaryStreamInfo($,p,y,E,T),this.bufferFragmentData(f,l,u,s)}if(null!=g&&null!=(t=g.samples)&&t.length){var S=a({id:r,frag:l,details:h},g);i.trigger(b.FRAG_PARSING_METADATA,S)}if(c){var A=a({id:r,frag:l,details:h},c);i.trigger(b.FRAG_PARSING_USERDATA,A)}}else this.fragmentTracker.removeFragment(l)}else this.resetWhenMissingContext(s)},r._bufferInitSegment=function(e,t,r,i){if(this.state===_i.PARSING&&(t.video&&delete t.video,t.audiovideo&&delete t.audiovideo,t.audio)){var n=t.audio;n.id=O;var a=e.audioCodec;this.log("Init audio buffer, container:"+n.container+", codecs[level/parsed]=["+a+"/"+n.codec+"]"),a&&1===a.split(",").length&&(n.levelCodec=a),this.hls.trigger(b.BUFFER_CODECS,t);var s=n.initSegment;if(null!=s&&s.byteLength){var o={type:"audio",frag:r,part:null,chunkMeta:i,parent:r.type,data:s};this.hls.trigger(b.BUFFER_APPENDING,o)}this.tickImmediate()}},r.loadFragment=function(t,r,i){var n,a=this.fragmentTracker.getState(t);if(this.switchingTrack||a===Vt||a===Yt)if(te(t))if(null!=(n=r.details)&&n.live&&!this.initPTS[t.cc]){this.log("Waiting for video PTS in continuity counter "+t.cc+" of live stream before loading audio fragment "+t.sn+" of level "+this.trackId),this.state=_i.WAITING_INIT_PTS;var s=this.mainDetails;s&&s.fragmentStart!==r.details.fragmentStart&&Ri(r.details,s)}else e.prototype.loadFragment.call(this,t,r,i);else this._loadInitSegment(t,r);else this.clearTrackerIfNeeded(t)},r.flushAudioIfNeeded=function(t){if(this.media&&this.bufferedTrack){var r=this.bufferedTrack;gt({name:r.name,lang:r.lang,assocLang:r.assocLang,characteristics:r.characteristics,audioCodec:r.audioCodec,channels:r.channels},t,vt)||(pt(t.url,this.hls)?(this.log("Switching audio track : flushing all audio"),e.prototype.flushMainBuffer.call(this,0,Number.POSITIVE_INFINITY,"audio"),this.bufferedTrack=null):this.bufferedTrack=t)}},r.completeAudioSwitch=function(e){var t=this.hls;this.flushAudioIfNeeded(e),this.bufferedTrack=e,this.switchingTrack=null,t.trigger(b.AUDIO_TRACK_SWITCHED,d({},e))},t}(Pi),ya=function(e){function t(t,r){var i;return(i=e.call(this,r,t.logger)||this).hls=void 0,i.canLoad=!1,i.timer=-1,i.hls=t,i}o(t,e);var r=t.prototype;return r.destroy=function(){this.clearTimer(),this.hls=this.log=this.warn=null},r.clearTimer=function(){-1!==this.timer&&(self.clearTimeout(this.timer),this.timer=-1)},r.startLoad=function(){this.canLoad=!0,this.loadPlaylist()},r.stopLoad=function(){this.canLoad=!1,this.clearTimer()},r.switchParams=function(e,t,r){var i=null==t?void 0:t.renditionReports;if(i){for(var n=-1,a=0;a=0&&h>t.partTarget&&(d+=1)}var f=r&&nt(r);return new at(u,d>=0?d:void 0,f)}}},r.loadPlaylist=function(e){this.clearTimer()},r.loadingPlaylist=function(e,t){this.clearTimer()},r.shouldLoadPlaylist=function(e){return this.canLoad&&!!e&&!!e.url&&(!e.details||e.details.live)},r.getUrlWithDirectives=function(e,t){if(t)try{return t.addDirectives(e)}catch(e){this.warn("Could not construct new URL with HLS Delivery Directives: "+e)}return e},r.playlistLoaded=function(e,t,r){var i=t.details,n=t.stats,a=self.performance.now(),s=n.loading.first?Math.max(0,a-n.loading.first):0;i.advancedDateTime=Date.now()-s;var o=this.hls.config.timelineOffset;if(o!==i.appliedTimelineOffset){var l=Math.max(o||0,0);i.appliedTimelineOffset=l,i.fragments.forEach((function(e){e.setStart(e.playlistOffset+l)}))}if(i.live||null!=r&&r.live){var u="levelInfo"in t?t.levelInfo:t.track;if(i.reloaded(r),r&&i.fragments.length>0){di(r,i,this);var d=i.playlistParsingError;if(d){this.warn(d);var h=this.hls;if(!h.config.ignorePlaylistParsingErrors){var f,c=t.networkDetails;return void h.trigger(b.ERROR,{type:R.NETWORK_ERROR,details:k.LEVEL_PARSING_ERROR,fatal:!1,url:i.url,error:d,reason:d.message,level:t.level||void 0,parent:null==(f=i.fragments[0])?void 0:f.type,networkDetails:c,stats:n})}i.playlistParsingError=null}}-1===i.requestScheduled&&(i.requestScheduled=n.loading.start);var g,v=this.hls.mainForwardBufferInfo,m=v?v.end-v.len:0,p=gi(i,1e3*(i.edge-m));if(i.requestScheduled+p0){if(_>3*i.targetduration)this.log("Playlist last advanced "+D.toFixed(2)+"s ago. Omitting segment and part directives."),y=void 0,E=void 0;else if(null!=r&&r.tuneInGoal&&_-i.partTarget>r.tuneInGoal)this.warn("CDN Tune-in goal increased from: "+r.tuneInGoal+" to: "+P+" with playlist age: "+i.age),P=0;else{var C=Math.floor(P/i.targetduration);y+=C,void 0!==E&&(E+=Math.round(P%i.targetduration/i.partTarget)),this.log("CDN Tune-in age: "+i.ageHeader+"s last advanced "+D.toFixed(2)+"s goal: "+P+" skip sn "+C+" to part "+E)}i.tuneInGoal=P}if(g=this.getDeliveryDirectives(i,t.deliveryDirectives,y,E),T||!I)return i.requestScheduled=a,void this.loadingPlaylist(u,g)}else(i.canBlockReload||i.canSkipUntil)&&(g=this.getDeliveryDirectives(i,t.deliveryDirectives,y,E));g&&void 0!==y&&i.canBlockReload&&(i.requestScheduled=n.loading.first+Math.max(p-2*s,p/2)),this.scheduleLoading(u,g,i)}else this.clearTimer()},r.scheduleLoading=function(e,t,r){var i=this,n=r||e.details;if(n){var a=self.performance.now(),s=n.requestScheduled;if(a>=s)this.loadingPlaylist(e,t);else{var o=s-a;this.log("reload live playlist "+(e.name||e.bitrate+"bps")+" in "+Math.round(o)+" ms"),this.clearTimer(),this.timer=self.setTimeout((function(){return i.loadingPlaylist(e,t)}),o)}}else this.loadingPlaylist(e,t)},r.getDeliveryDirectives=function(e,t,r,i){var n=nt(e);return null!=t&&t.skip&&e.deltaUpdateFailed&&(r=t.msn,i=t.part,n=tt),new at(r,i,n)},r.checkRetry=function(e){var t=this,r=e.details,i=It(e),n=e.errorAction,a=n||{},s=a.action,o=a.retryCount,l=void 0===o?0:o,u=a.retryConfig,d=!!n&&!!u&&(s===Mt||!n.resolved&&s===Ot);if(d){var h;if(l>=u.maxNumRetry)return!1;if(i&&null!=(h=e.context)&&h.deliveryDirectives)this.warn("Retrying playlist loading "+(l+1)+"/"+u.maxNumRetry+' after "'+r+'" without delivery-directives'),this.loadPlaylist();else{var f=Dt(u,l);this.clearTimer(),this.timer=self.setTimeout((function(){return t.loadPlaylist()}),f),this.warn("Retrying playlist loading "+(l+1)+"/"+u.maxNumRetry+' after "'+r+'" in '+f+"ms")}e.levelRetry=!0,n.resolved=!0}return d},t}(N);function Ea(e,t){if(e.length!==t.length)return!1;for(var r=0;r-1)n=a[o];else{var l=ct(s,this.tracks);n=this.tracks[l]}}var u=this.findTrackId(n);-1===u&&n&&(u=this.findTrackId(null));var d={audioTracks:a};this.log("Updating audio tracks, "+a.length+" track(s) found in group(s): "+(null==r?void 0:r.join(","))),this.hls.trigger(b.AUDIO_TRACKS_UPDATED,d);var h=this.trackId;if(-1!==u&&-1===h)this.setAudioTrack(u);else if(a.length&&-1===h){var f,c=new Error("No audio track selected for current audio group-ID(s): "+(null==(f=this.groupIds)?void 0:f.join(","))+" track count: "+a.length);this.warn(c.message),this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.AUDIO_TRACK_LOAD_ERROR,fatal:!0,error:c})}}}},r.onError=function(e,t){!t.fatal&&t.context&&(t.context.type!==P||t.context.id!==this.trackId||this.groupIds&&-1===this.groupIds.indexOf(t.context.groupId)||this.checkRetry(t))},r.setAudioOption=function(e){var t=this.hls;if(t.config.audioPreference=e,e){var r=this.allAudioTracks;if(this.selectDefaultTrack=!1,r.length){var i=this.currentTrack;if(i&>(e,i,vt))return i;var n=ct(e,this.tracksInGroup,vt);if(n>-1){var a=this.tracksInGroup[n];return this.setAudioTrack(n),a}if(i){var s=t.loadLevel;-1===s&&(s=t.firstAutoLevel);var o=function(e,t,r,i,n){var a=t[i],s=t.reduce((function(e,t,r){var i=t.uri;return(e[i]||(e[i]=[])).push(r),e}),{})[a.uri];s.length>1&&(i=Math.max.apply(Math,s));var o=a.videoRange,l=a.frameRate,u=a.codecSet.substring(0,4),d=mt(t,i,(function(t){if(t.videoRange!==o||t.frameRate!==l||t.codecSet.substring(0,4)!==u)return!1;var i=t.audioGroups,a=r.filter((function(e){return!i||-1!==i.indexOf(e.groupId)}));return ct(e,a,n)>-1}));return d>-1?d:mt(t,i,(function(t){var i=t.audioGroups,a=r.filter((function(e){return!i||-1!==i.indexOf(e.groupId)}));return ct(e,a,n)>-1}))}(e,t.levels,r,s,vt);if(-1===o)return null;t.nextLoadLevel=o}if(e.channels||e.audioCodec){var l=ct(e,r);if(l>-1)return r[l]}}}return null},r.setAudioTrack=function(e){var t=this.tracksInGroup;if(e<0||e>=t.length)this.warn("Invalid audio track id: "+e);else{this.selectDefaultTrack=!1;var r=this.currentTrack,i=t[e],n=i.details&&!i.details.live;if(!(e===this.trackId&&i===r&&n||(this.log("Switching to audio-track "+e+' "'+i.name+'" lang:'+i.lang+" group:"+i.groupId+" channels:"+i.channels),this.trackId=e,this.currentTrack=i,this.hls.trigger(b.AUDIO_TRACK_SWITCHING,d({},i)),n))){var a=this.switchParams(i.url,null==r?void 0:r.details,i.details);this.loadPlaylist(a)}}},r.findTrackId=function(e){for(var t=this.tracksInGroup,r=0;r":"\n"+this.list("video")+"\n"+this.list("audio")+"\n"+this.list("audiovideo")+"}"},t.list=function(e){var t,r;return null!=(t=this.queues)&&t[e]||null!=(r=this.tracks)&&r[e]?e+": ("+this.listSbInfo(e)+") "+this.listOps(e):""},t.listSbInfo=function(e){var t,r=null==(t=this.tracks)?void 0:t[e],i=null==r?void 0:r.buffer;return i?"SourceBuffer"+(i.updating?" updating":"")+(r.ended?" ended":"")+(r.ending?" ending":""):"none"},t.listOps=function(e){var t;return(null==(t=this.queues)?void 0:t[e].map((function(e){return e.label})).join(", "))||""},e}(),Ia=/(avc[1234]|hvc1|hev1|dvh[1e]|vp09|av01)(?:\.[^.,]+)+/,Ra="HlsJsTrackRemovedError",ka=function(e){function t(t){var r;return(r=e.call(this,t)||this).name=Ra,r}return o(t,e),t}(c(Error)),ba=function(e){function t(t,r){var i,n;return(i=e.call(this,"buffer-controller",t.logger)||this).hls=void 0,i.fragmentTracker=void 0,i.details=null,i._objectUrl=null,i.operationQueue=null,i.bufferCodecEventsTotal=0,i.media=null,i.mediaSource=null,i.lastMpegAudioChunk=null,i.blockedAudioAppend=null,i.lastVideoAppendEnd=0,i.appendSource=void 0,i.transferData=void 0,i.overrides=void 0,i.appendErrors={audio:0,video:0,audiovideo:0},i.tracks={},i.sourceBuffers=[[null,null],[null,null]],i._onEndStreaming=function(e){var t;i.hls&&"open"===(null==(t=i.mediaSource)?void 0:t.readyState)&&i.hls.pauseBuffering()},i._onStartStreaming=function(e){i.hls&&i.hls.resumeBuffering()},i._onMediaSourceOpen=function(e){var t=i,r=t.media,n=t.mediaSource;e&&i.log("Media source opened"),r&&n&&(n.removeEventListener("sourceopen",i._onMediaSourceOpen),r.removeEventListener("emptied",i._onMediaEmptied),i.updateDuration(),i.hls.trigger(b.MEDIA_ATTACHED,{media:r,mediaSource:n}),null!==i.mediaSource&&i.checkPendingTracks())},i._onMediaSourceClose=function(){i.log("Media source closed")},i._onMediaSourceEnded=function(){i.log("Media source ended")},i._onMediaEmptied=function(){var e=i,t=e.mediaSrc,r=e._objectUrl;t!==r&&i.error("Media element src was set while attaching MediaSource ("+r+" > "+t+")")},i.hls=t,i.fragmentTracker=r,i.appendSource=(n=W(t.config.preferManagedMediaSource),"undefined"!=typeof self&&n===self.ManagedMediaSource),i.initTracks(),i.registerListeners(),i}o(t,e);var r=t.prototype;return r.hasSourceTypes=function(){return Object.keys(this.tracks).length>0},r.destroy=function(){this.unregisterListeners(),this.details=null,this.lastMpegAudioChunk=this.blockedAudioAppend=null,this.transferData=this.overrides=void 0,this.operationQueue&&(this.operationQueue.destroy(),this.operationQueue=null),this.hls=this.fragmentTracker=null,this._onMediaSourceOpen=this._onMediaSourceClose=null,this._onMediaSourceEnded=null,this._onStartStreaming=this._onEndStreaming=null},r.registerListeners=function(){var e=this.hls;e.on(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.MANIFEST_PARSED,this.onManifestParsed,this),e.on(b.BUFFER_RESET,this.onBufferReset,this),e.on(b.BUFFER_APPENDING,this.onBufferAppending,this),e.on(b.BUFFER_CODECS,this.onBufferCodecs,this),e.on(b.BUFFER_EOS,this.onBufferEos,this),e.on(b.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(b.FRAG_PARSED,this.onFragParsed,this),e.on(b.FRAG_CHANGED,this.onFragChanged,this),e.on(b.ERROR,this.onError,this)},r.unregisterListeners=function(){var e=this.hls;e.off(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.MANIFEST_PARSED,this.onManifestParsed,this),e.off(b.BUFFER_RESET,this.onBufferReset,this),e.off(b.BUFFER_APPENDING,this.onBufferAppending,this),e.off(b.BUFFER_CODECS,this.onBufferCodecs,this),e.off(b.BUFFER_EOS,this.onBufferEos,this),e.off(b.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(b.FRAG_PARSED,this.onFragParsed,this),e.off(b.FRAG_CHANGED,this.onFragChanged,this),e.off(b.ERROR,this.onError,this)},r.transferMedia=function(){var e=this,t=this.media,r=this.mediaSource;if(!t)return null;var i={};if(this.operationQueue){var n=this.isUpdating();n||this.operationQueue.removeBlockers();var s=this.isQueued();(n||s)&&this.warn("Transfering MediaSource with"+(s?" operations in queue":"")+(n?" updating SourceBuffer(s)":"")+" "+this.operationQueue),this.operationQueue.destroy()}var o=this.transferData;return!this.sourceBufferCount&&o&&o.mediaSource===r?a(i,o.tracks):this.sourceBuffers.forEach((function(t){var r=t[0];r&&(i[r]=a({},e.tracks[r]),e.removeBuffer(r)),t[0]=t[1]=null})),{media:t,mediaSource:r,tracks:i}},r.initTracks=function(){this.sourceBuffers=[[null,null],[null,null]],this.tracks={},this.resetQueue(),this.resetAppendErrors(),this.lastMpegAudioChunk=this.blockedAudioAppend=null,this.lastVideoAppendEnd=0},r.onManifestLoading=function(){this.bufferCodecEventsTotal=0,this.details=null},r.onManifestParsed=function(e,t){var r,i=2;(t.audio&&!t.video||!t.altAudio)&&(i=1),this.bufferCodecEventsTotal=i,this.log(i+" bufferCodec event(s) expected."),null!=(r=this.transferData)&&r.mediaSource&&this.sourceBufferCount&&i&&this.bufferCreated()},r.onMediaAttaching=function(e,t){var r=this.media=t.media;this.transferData=this.overrides=void 0;var i=W(this.appendSource);if(i){var n=!!t.mediaSource;(n||t.overrides)&&(this.transferData=t,this.overrides=t.overrides);var a=this.mediaSource=t.mediaSource||new i;if(this.assignMediaSource(a),n)this._objectUrl=r.src,this.attachTransferred();else{var s=this._objectUrl=self.URL.createObjectURL(a);if(this.appendSource)try{r.removeAttribute("src");var o=self.ManagedMediaSource;r.disableRemotePlayback=r.disableRemotePlayback||o&&a instanceof o,Da(r),function(e,t){var r=self.document.createElement("source");r.type="video/mp4",r.src=t,e.appendChild(r)}(r,s),r.load()}catch(e){r.src=s}else r.src=s}r.addEventListener("emptied",this._onMediaEmptied)}},r.assignMediaSource=function(e){var t,r;this.log(((null==(t=this.transferData)?void 0:t.mediaSource)===e?"transferred":"created")+" media source: "+(null==(r=e.constructor)?void 0:r.name)),e.addEventListener("sourceopen",this._onMediaSourceOpen),e.addEventListener("sourceended",this._onMediaSourceEnded),e.addEventListener("sourceclose",this._onMediaSourceClose),this.appendSource&&(e.addEventListener("startstreaming",this._onStartStreaming),e.addEventListener("endstreaming",this._onEndStreaming))},r.attachTransferred=function(){var e=this,t=this.media,r=this.transferData;if(r&&t){var i=this.tracks,n=r.tracks,a=n?Object.keys(n):null,s=a?a.length:0,o=function(){Promise.resolve().then((function(){e.media&&e.mediaSourceOpenOrEnded&&e._onMediaSourceOpen()}))};if(n&&a&&s){if(!this.tracksReady)return this.hls.config.startFragPrefetch=!0,void this.log("attachTransferred: waiting for SourceBuffer track info");if(this.log("attachTransferred: (bufferCodecEventsTotal "+this.bufferCodecEventsTotal+")\nrequired tracks: "+ut(i,(function(e,t){return"initSegment"===e?void 0:t}))+";\ntransfer tracks: "+ut(n,(function(e,t){return"initSegment"===e?void 0:t}))+"}"),!j(n,i)){r.mediaSource=null,r.tracks=void 0;var l=t.currentTime,u=this.details,d=Math.max(l,(null==u?void 0:u.fragments[0].start)||0);return d-l>1?void this.log("attachTransferred: waiting for playback to reach new tracks start time "+l+" -> "+d):(this.warn('attachTransferred: resetting MediaSource for incompatible tracks ("'+Object.keys(n)+'"->"'+Object.keys(i)+'") start time: '+d+" currentTime: "+l),this.onMediaDetaching(b.MEDIA_DETACHING,{}),this.onMediaAttaching(b.MEDIA_ATTACHING,r),void(t.currentTime=d))}this.transferData=void 0,a.forEach((function(t){var r=t,i=n[r];if(i){var a=i.buffer;if(a){var s=e.fragmentTracker,o=i.id;if(s.hasFragments(o)||s.hasParts(o)){var l=dr.getBuffered(a);s.detectEvictedFragments(r,l,o,null,!0)}var u=_a(r),d=[r,a];e.sourceBuffers[u]=d,a.updating&&e.operationQueue&&e.operationQueue.prependBlocker(r),e.trackSourceBuffer(r,i)}}})),o(),this.bufferCreated()}else this.log("attachTransferred: MediaSource w/o SourceBuffers"),o()}},r.onMediaDetaching=function(e,t){var r=this,i=!!t.transferMedia;this.transferData=this.overrides=void 0;var n=this.media,a=this.mediaSource,s=this._objectUrl;if(a){if(this.log("media source "+(i?"transferring":"detaching")),i)this.sourceBuffers.forEach((function(e){var t=e[0];t&&r.removeBuffer(t)})),this.resetQueue();else{if(this.mediaSourceOpenOrEnded){var o="open"===a.readyState;try{for(var l=a.sourceBuffers,u=l.length;u--;)o&&l[u].abort(),a.removeSourceBuffer(l[u]);o&&a.endOfStream()}catch(e){this.warn("onMediaDetaching: "+e.message+" while calling endOfStream")}}this.sourceBufferCount&&this.onBufferReset()}a.removeEventListener("sourceopen",this._onMediaSourceOpen),a.removeEventListener("sourceended",this._onMediaSourceEnded),a.removeEventListener("sourceclose",this._onMediaSourceClose),this.appendSource&&(a.removeEventListener("startstreaming",this._onStartStreaming),a.removeEventListener("endstreaming",this._onEndStreaming)),this.mediaSource=null,this._objectUrl=null}n&&(n.removeEventListener("emptied",this._onMediaEmptied),i||(s&&self.URL.revokeObjectURL(s),this.mediaSrc===s?(n.removeAttribute("src"),this.appendSource&&Da(n),n.load()):this.warn("media|source.src was changed by a third party - skip cleanup")),this.media=null),this.hls.trigger(b.MEDIA_DETACHED,t)},r.onBufferReset=function(){var e=this;this.sourceBuffers.forEach((function(t){var r=t[0];r&&e.resetBuffer(r)})),this.initTracks()},r.resetBuffer=function(e){var t,r=null==(t=this.tracks[e])?void 0:t.buffer;if(this.removeBuffer(e),r)try{var i;null!=(i=this.mediaSource)&&i.sourceBuffers.length&&this.mediaSource.removeSourceBuffer(r)}catch(t){this.warn("onBufferReset "+e,t)}delete this.tracks[e]},r.removeBuffer=function(e){this.removeBufferListeners(e),this.sourceBuffers[_a(e)]=[null,null];var t=this.tracks[e];t&&(t.buffer=void 0)},r.resetQueue=function(){this.operationQueue&&this.operationQueue.destroy(),this.operationQueue=new La(this.tracks)},r.onBufferCodecs=function(e,t){var r,i=this,n=this.tracks,a=Object.keys(t);this.log('BUFFER_CODECS: "'+a+'" (current SB count '+this.sourceBufferCount+")");var s="audiovideo"in t&&(n.audio||n.video)||n.audiovideo&&("audio"in t||"video"in t),o=!s&&this.sourceBufferCount&&this.media&&a.some((function(e){return!n[e]}));s||o?this.warn('Unsupported transition between "'+Object.keys(n)+'" and "'+a+'" SourceBuffers'):(a.forEach((function(e){var r,a,s=t[e],o=s.id,l=s.codec,u=s.levelCodec,d=s.container,h=s.metadata,f=s.supplemental,c=n[e],g=null==(r=i.transferData)||null==(r=r.tracks)?void 0:r[e],v=null!=g&&g.buffer?g:c,m=(null==v?void 0:v.pendingCodec)||(null==v?void 0:v.codec),p=null==v?void 0:v.levelCodec;c||(c=n[e]={buffer:void 0,listeners:[],codec:l,supplemental:f,container:d,levelCodec:u,metadata:h,id:o});var y=Ve(m,p),E=null==y?void 0:y.replace(Ia,"$1"),T=Ve(l,u),S=null==(a=T)?void 0:a.replace(Ia,"$1");T&&y&&E!==S&&("audio"===e.slice(0,5)&&(T=Ke(T,i.appendSource)),i.log("switching codec "+m+" to "+T),T!==(c.pendingCodec||c.codec)&&(c.pendingCodec=T),c.container=d,i.appendChangeType(e,d,T))})),(this.tracksReady||this.sourceBufferCount)&&(t.tracks=this.sourceBufferTracks),this.sourceBufferCount||(this.bufferCodecEventsTotal>1&&!this.tracks.video&&!t.video&&"main"===(null==(r=t.audio)?void 0:r.id)&&(this.log("Main audio-only"),this.bufferCodecEventsTotal=1),this.mediaSourceOpenOrEnded&&this.checkPendingTracks()))},r.appendChangeType=function(e,t,r){var i=this,n=t+";codecs="+r,a={label:"change-type="+n,execute:function(){var a=i.tracks[e];if(a){var s=a.buffer;null!=s&&s.changeType&&(i.log("changing "+e+" sourceBuffer type to "+n),s.changeType(n),a.codec=r,a.container=t)}i.shiftAndExecuteNext(e)},onStart:function(){},onComplete:function(){},onError:function(t){i.warn("Failed to change "+e+" SourceBuffer type",t)}};this.append(a,e,this.isPending(this.tracks[e]))},r.blockAudio=function(e){var t,r=this,i=e.start,n=i+.05*e.duration;if(!0!==(null==(t=this.fragmentTracker.getAppendedFrag(i,w))?void 0:t.gap)){var a={label:"block-audio",execute:function(){var e,t=r.tracks.video;(r.lastVideoAppendEnd>n||null!=t&&t.buffer&&dr.isBuffered(t.buffer,n)||!0===(null==(e=r.fragmentTracker.getAppendedFrag(n,w))?void 0:e.gap))&&(r.blockedAudioAppend=null,r.shiftAndExecuteNext("audio"))},onStart:function(){},onComplete:function(){},onError:function(e){r.warn("Error executing block-audio operation",e)}};this.blockedAudioAppend={op:a,frag:e},this.append(a,"audio",!0)}},r.unblockAudio=function(){var e=this.blockedAudioAppend,t=this.operationQueue;e&&t&&(this.blockedAudioAppend=null,t.unblockAudio(e.op))},r.onBufferAppending=function(e,t){var r=this,i=this.tracks,n=t.data,a=t.type,s=t.parent,o=t.frag,l=t.part,u=t.chunkMeta,d=t.offset,h=u.buffering[a],f=o.sn,c=o.cc,g=self.performance.now();h.start=g;var v=o.stats.buffering,m=l?l.stats.buffering:null;0===v.start&&(v.start=g),m&&0===m.start&&(m.start=g);var p=i.audio,y=!1;"audio"===a&&"audio/mpeg"===(null==p?void 0:p.container)&&(y=!this.lastMpegAudioChunk||1===u.id||this.lastMpegAudioChunk.sn!==u.sn,this.lastMpegAudioChunk=u);var E=i.video,T=null==E?void 0:E.buffer;if(T&&"initSegment"!==f){var S=l||o,L=this.blockedAudioAppend;if("audio"!==a||"main"===s||this.blockedAudioAppend||E.ending||E.ended){if("video"===a){var I=S.end;if(L){var D=L.frag.start;(I>D||I=r.hls.config.appendErrorMaxRetry||n)&&(i.fatal=!0)}r.hls.trigger(b.ERROR,i)}};this.log('queuing "'+a+'" append sn: '+f+(l?" p: "+l.index:"")+" of "+(o.type===w?"level":"track")+" "+o.level+" cc: "+c),this.append(x,a,this.isPending(this.tracks[a]))},r.getFlushOp=function(e,t,r){var i=this;return this.log('queuing "'+e+'" remove '+t+"-"+r),{label:"remove",execute:function(){i.removeExecutor(e,t,r)},onStart:function(){},onComplete:function(){i.hls.trigger(b.BUFFER_FLUSHED,{type:e})},onError:function(n){i.warn("Failed to remove "+t+"-"+r+' from "'+e+'" SourceBuffer',n)}}},r.onBufferFlushing=function(e,t){var r=this,i=t.type,n=t.startOffset,a=t.endOffset;i?this.append(this.getFlushOp(i,n,a),i):this.sourceBuffers.forEach((function(e){var t=e[0];t&&r.append(r.getFlushOp(t,n,a),t)}))},r.onFragParsed=function(e,t){var r=this,i=t.frag,n=t.part,a=[],s=n?n.elementaryStreams:i.elementaryStreams;s[J]?a.push("audiovideo"):(s[$]&&a.push("audio"),s[Z]&&a.push("video")),0===a.length&&this.warn("Fragments must have at least one ElementaryStreamType set. type: "+i.type+" level: "+i.level+" sn: "+i.sn),this.blockBuffers((function(){var e=self.performance.now();i.stats.buffering.end=e,n&&(n.stats.buffering.end=e);var t=n?n.stats:i.stats;r.hls.trigger(b.FRAG_BUFFERED,{frag:i,part:n,stats:t,id:i.type})}),a).catch((function(e){r.warn("Fragment buffered callback "+e),r.stepOperationQueue(r.sourceBufferTypes)}))},r.onFragChanged=function(e,t){this.trimBuffers()},r.onBufferEos=function(e,t){var r,i=this;this.sourceBuffers.forEach((function(e){var r=e[0];if(r){var n=i.tracks[r];t.type&&t.type!==r||(n.ending=!0,n.ended||(n.ended=!0,i.log(r+" buffer reached EOS")))}}));var n=!1!==(null==(r=this.overrides)?void 0:r.endOfStream);this.sourceBufferCount>0&&!this.sourceBuffers.some((function(e){var t,r=e[0];return r&&!(null!=(t=i.tracks[r])&&t.ended)}))?n?(this.log("Queueing EOS"),this.blockUntilOpen((function(){i.tracksEnded();var e=i.mediaSource;e&&"open"===e.readyState?(i.log("Calling mediaSource.endOfStream()"),e.endOfStream(),i.hls.trigger(b.BUFFERED_TO_END,void 0)):e&&i.log("Could not call mediaSource.endOfStream(). mediaSource.readyState: "+e.readyState)}))):(this.tracksEnded(),this.hls.trigger(b.BUFFERED_TO_END,void 0)):"video"===t.type&&this.unblockAudio()},r.tracksEnded=function(){var e=this;this.sourceBuffers.forEach((function(t){var r=t[0];if(null!==r){var i=e.tracks[r];i&&(i.ending=!1)}}))},r.onLevelUpdated=function(e,t){var r=t.details;r.fragments.length&&(this.details=r,this.updateDuration())},r.updateDuration=function(){var e=this;this.blockUntilOpen((function(){var t=e.getDurationAndRange();t&&e.updateMediaSource(t)}))},r.onError=function(e,t){if(t.details===k.BUFFER_APPEND_ERROR&&t.frag){var r,i=null==(r=t.errorAction)?void 0:r.nextAutoLevel;A(i)&&i!==t.frag.level&&this.resetAppendErrors()}},r.resetAppendErrors=function(){this.appendErrors={audio:0,video:0,audiovideo:0}},r.trimBuffers=function(){var e=this.hls,t=this.details,r=this.media;if(r&&null!==t&&this.sourceBufferCount){var i=e.config,n=r.currentTime,a=t.levelTargetDuration,s=t.live&&null!==i.liveBackBufferLength?i.liveBackBufferLength:i.backBufferLength;if(A(s)&&s>=0){var o=Math.max(s,a),l=Math.floor(n/a)*a-o;this.flushBackBuffer(n,a,l)}var u=i.frontBufferFlushThreshold;if(A(u)&&u>0){var d=Math.max(i.maxBufferLength,u),h=Math.max(d,a),f=Math.floor(n/a)*a+h;this.flushFrontBuffer(n,a,f)}}},r.flushBackBuffer=function(e,t,r){var i=this;this.sourceBuffers.forEach((function(e){var t=e[0],n=e[1];if(n){var a=dr.getBuffered(n);if(a.length>0&&r>a.start(0)){var s;i.hls.trigger(b.BACK_BUFFER_REACHED,{bufferEnd:r});var o=i.tracks[t];if(null!=(s=i.details)&&s.live)i.hls.trigger(b.LIVE_BACK_BUFFER_REACHED,{bufferEnd:r});else if(null!=o&&o.ended)return void i.log("Cannot flush "+t+" back buffer while SourceBuffer is in ended state");i.hls.trigger(b.BUFFER_FLUSHING,{startOffset:0,endOffset:r,type:t})}}}))},r.flushFrontBuffer=function(e,t,r){var i=this;this.sourceBuffers.forEach((function(t){var n=t[0],a=t[1];if(a){var s=dr.getBuffered(a),o=s.length;if(o<2)return;var l=s.start(o-1),u=s.end(o-1);if(r>l||e>=l&&e<=u)return;i.hls.trigger(b.BUFFER_FLUSHING,{startOffset:l,endOffset:1/0,type:n})}}))},r.getDurationAndRange=function(){var e,t=this.details,r=this.mediaSource;if(!t||!this.media||"open"!==(null==r?void 0:r.readyState))return null;var i=t.edge;if(t.live&&this.hls.config.liveDurationInfinity){if(t.fragments.length&&r.setLiveSeekableRange){var n=Math.max(0,t.fragmentStart);return{duration:1/0,start:n,end:Math.max(n,i)}}return{duration:1/0}}var a=null==(e=this.overrides)?void 0:e.duration;if(a)return A(a)?{duration:a}:null;var s=this.media.duration;return i>(A(r.duration)?r.duration:0)&&i>s||!A(s)?{duration:i}:null},r.updateMediaSource=function(e){var t=e.duration,r=e.start,i=e.end,n=this.mediaSource;this.media&&n&&"open"===n.readyState&&(n.duration!==t&&(A(t)&&this.log("Updating MediaSource duration to "+t.toFixed(3)),n.duration=t),void 0!==r&&void 0!==i&&(this.log("MediaSource duration is set to "+n.duration+". Setting seekable range to "+r+"-"+i+"."),n.setLiveSeekableRange(r,i)))},r.checkPendingTracks=function(){var e=this.bufferCodecEventsTotal,t=this.pendingTrackCount,r=this.tracks;if(this.log("checkPendingTracks (pending: "+t+" codec events expected: "+e+") "+ut(r)),this.tracksReady){var i,n=null==(i=this.transferData)?void 0:i.tracks;n&&Object.keys(n).length?this.attachTransferred():this.createSourceBuffers()}},r.bufferCreated=function(){var e=this;if(this.sourceBufferCount){var t={};this.sourceBuffers.forEach((function(r){var i=r[0],n=r[1];if(i){var a=e.tracks[i];t[i]={buffer:n,container:a.container,codec:a.codec,supplemental:a.supplemental,levelCodec:a.levelCodec,id:a.id,metadata:a.metadata}}})),this.hls.trigger(b.BUFFER_CREATED,{tracks:t}),this.log("SourceBuffers created. Running queue: "+this.operationQueue),this.sourceBuffers.forEach((function(t){var r=t[0];e.executeNext(r)}))}else{var r=new Error("could not create source buffer for media codec(s)");this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.BUFFER_INCOMPATIBLE_CODECS_ERROR,fatal:!0,error:r,reason:r.message})}},r.createSourceBuffers=function(){var e=this.tracks,t=this.sourceBuffers,r=this.mediaSource;if(!r)throw new Error("createSourceBuffers called when mediaSource was null");for(var i in e){var n=i,a=e[n];if(this.isPending(a)){var s=this.getTrackCodec(a,n),o=a.container+";codecs="+s;a.codec=s,this.log("creating sourceBuffer("+o+")"+(this.currentOp(n)?" Queued":"")+" "+ut(a));try{var l=r.addSourceBuffer(o),u=_a(n),d=[n,l];t[u]=d,a.buffer=l}catch(e){var h;return this.error("error while trying to add sourceBuffer: "+e.message),this.shiftAndExecuteNext(n),null==(h=this.operationQueue)||h.removeBlockers(),delete this.tracks[n],void this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.BUFFER_ADD_CODEC_ERROR,fatal:!1,error:e,sourceBufferName:n,mimeType:o,parent:a.id})}this.trackSourceBuffer(n,a)}}this.bufferCreated()},r.getTrackCodec=function(e,t){var r=e.supplemental,i=e.codec;r&&("video"===t||"audiovideo"===t)&&xe(r,"video")&&(i=function(e,t){var r=[];if(e)for(var i=e.split(","),n=0;n=r&&(this.log("Updating "+i+" SourceBuffer timestampOffset to "+t+" (sn: "+n+" cc: "+a+")"),e.timestampOffset=t)},r.removeExecutor=function(e,t,r){var i=this.media,n=this.mediaSource,a=this.tracks[e],s=null==a?void 0:a.buffer;if(!i||!n||!s)return this.warn("Attempting to remove from the "+e+" SourceBuffer, but it does not exist"),void this.shiftAndExecuteNext(e);var o=A(i.duration)?i.duration:1/0,l=A(n.duration)?n.duration:1/0,u=Math.max(0,t),d=Math.min(r,o,l);d>u&&(!a.ending||a.ended)?(a.ended=!1,this.log("Removing ["+u+","+d+"] from the "+e+" SourceBuffer"),s.remove(u,d)):this.shiftAndExecuteNext(e)},r.appendExecutor=function(e,t){var r=this.tracks[t],i=null==r?void 0:r.buffer;if(!i)throw new ka("Attempting to append to the "+t+" SourceBuffer, but it does not exist");r.ending=!1,r.ended=!1,i.appendBuffer(e)},r.blockUntilOpen=function(e){var t=this;if(this.isUpdating()||this.isQueued())this.blockBuffers(e).catch((function(e){t.warn("SourceBuffer blocked callback "+e),t.stepOperationQueue(t.sourceBufferTypes)}));else try{e()}catch(e){this.warn("Callback run without blocking "+this.operationQueue+" "+e)}},r.isUpdating=function(){return this.sourceBuffers.some((function(e){var t=e[0],r=e[1];return t&&r.updating}))},r.isQueued=function(){var e=this;return this.sourceBuffers.some((function(t){var r=t[0];return r&&!!e.currentOp(r)}))},r.isPending=function(e){return!!e&&!e.buffer},r.blockBuffers=function(e,t){var r=this;if(void 0===t&&(t=this.sourceBufferTypes),!t.length)return this.log("Blocking operation requested, but no SourceBuffers exist"),Promise.resolve().then(e);var i=this.operationQueue,n=t.map((function(e){return r.appendBlocker(e)}));return t.length>1&&!!this.blockedAudioAppend&&this.unblockAudio(),Promise.all(n).then((function(t){i===r.operationQueue&&(e(),r.stepOperationQueue(r.sourceBufferTypes))}))},r.stepOperationQueue=function(e){var t=this;e.forEach((function(e){var r,i=null==(r=t.tracks[e])?void 0:r.buffer;i&&!i.updating&&t.shiftAndExecuteNext(e)}))},r.append=function(e,t,r){this.operationQueue&&this.operationQueue.append(e,t,r)},r.appendBlocker=function(e){if(this.operationQueue)return this.operationQueue.appendBlocker(e)},r.currentOp=function(e){return this.operationQueue?this.operationQueue.current(e):null},r.executeNext=function(e){e&&this.operationQueue&&this.operationQueue.executeNext(e)},r.shiftAndExecuteNext=function(e){this.operationQueue&&this.operationQueue.shiftAndExecuteNext(e)},r.addBufferListener=function(e,t,r){var i=this.tracks[e];if(i){var n=i.buffer;if(n){var a=r.bind(this,e);i.listeners.push({event:t,listener:a}),n.addEventListener(t,a)}}},r.removeBufferListeners=function(e){var t=this.tracks[e];if(t){var r=t.buffer;r&&(t.listeners.forEach((function(e){r.removeEventListener(e.event,e.listener)})),t.listeners.length=0)}},i(t,[{key:"mediaSourceOpenOrEnded",get:function(){var e,t=null==(e=this.mediaSource)?void 0:e.readyState;return"open"===t||"ended"===t}},{key:"sourceBufferTracks",get:function(){var e=this;return Object.keys(this.tracks).reduce((function(t,r){var i=e.tracks[r];return t[r]={id:i.id,container:i.container,codec:i.codec,levelCodec:i.levelCodec},t}),{})}},{key:"bufferedToEnd",get:function(){var e=this;return this.sourceBufferCount>0&&!this.sourceBuffers.some((function(t){var r=t[0];if(r){var i=e.tracks[r];if(i)return!i.ended||i.ending}return!1}))}},{key:"tracksReady",get:function(){var e=this.pendingTrackCount;return e>0&&(e>=this.bufferCodecEventsTotal||this.isPending(this.tracks.audiovideo))}},{key:"mediaSrc",get:function(){var e,t,r=(null==(e=this.media)||null==(t=e.querySelector)?void 0:t.call(e,"source"))||this.media;return null==r?void 0:r.src}},{key:"pendingTrackCount",get:function(){var e=this;return Object.keys(this.tracks).reduce((function(t,r){return t+(e.isPending(e.tracks[r])?1:0)}),0)}},{key:"sourceBufferCount",get:function(){return this.sourceBuffers.reduce((function(e,t){return e+(t[0]?1:0)}),0)}},{key:"sourceBufferTypes",get:function(){return this.sourceBuffers.map((function(e){return e[0]})).filter((function(e){return!!e}))}}])}(N);function Da(e){var t=e.querySelectorAll("source");[].slice.call(t).forEach((function(t){e.removeChild(t)}))}function _a(e){return"audio"===e?1:0}var Pa=function(){function e(e){this.hls=void 0,this.autoLevelCapping=void 0,this.firstLevel=void 0,this.media=void 0,this.restrictedLevels=void 0,this.timer=void 0,this.clientRect=void 0,this.streamController=void 0,this.hls=e,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.firstLevel=-1,this.media=null,this.restrictedLevels=[],this.timer=void 0,this.clientRect=null,this.registerListeners()}var t=e.prototype;return t.setStreamController=function(e){this.streamController=e},t.destroy=function(){this.hls&&this.unregisterListener(),this.timer&&this.stopCapping(),this.media=null,this.clientRect=null,this.hls=this.streamController=null},t.registerListeners=function(){var e=this.hls;e.on(b.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.on(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(b.MANIFEST_PARSED,this.onManifestParsed,this),e.on(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(b.BUFFER_CODECS,this.onBufferCodecs,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this)},t.unregisterListener=function(){var e=this.hls;e.off(b.FPS_DROP_LEVEL_CAPPING,this.onFpsDropLevelCapping,this),e.off(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(b.MANIFEST_PARSED,this.onManifestParsed,this),e.off(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(b.BUFFER_CODECS,this.onBufferCodecs,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this)},t.onFpsDropLevelCapping=function(e,t){var r=this.hls.levels[t.droppedLevel];this.isLevelAllowed(r)&&this.restrictedLevels.push({bitrate:r.bitrate,height:r.height,width:r.width})},t.onMediaAttaching=function(e,t){this.media=t.media instanceof HTMLVideoElement?t.media:null,this.clientRect=null,this.timer&&this.hls.levels.length&&this.detectPlayerSize()},t.onManifestParsed=function(e,t){var r=this.hls;this.restrictedLevels=[],this.firstLevel=t.firstLevel,r.config.capLevelToPlayerSize&&t.video&&this.startCapping()},t.onLevelsUpdated=function(e,t){this.timer&&A(this.autoLevelCapping)&&this.detectPlayerSize()},t.onBufferCodecs=function(e,t){this.hls.config.capLevelToPlayerSize&&t.video&&this.startCapping()},t.onMediaDetaching=function(){this.stopCapping(),this.media=null},t.detectPlayerSize=function(){if(this.media){if(this.mediaHeight<=0||this.mediaWidth<=0)return void(this.clientRect=null);var e=this.hls.levels;if(e.length){var t=this.hls,r=this.getMaxLevel(e.length-1);r!==this.autoLevelCapping&&t.logger.log("Setting autoLevelCapping to "+r+": "+e[r].height+"p@"+e[r].bitrate+" for media "+this.mediaWidth+"x"+this.mediaHeight),t.autoLevelCapping=r,t.autoLevelEnabled&&t.autoLevelCapping>this.autoLevelCapping&&this.streamController&&this.streamController.nextLevelSwitch(),this.autoLevelCapping=t.autoLevelCapping}}},t.getMaxLevel=function(t){var r=this,i=this.hls.levels;if(!i.length)return-1;var n=i.filter((function(e,i){return r.isLevelAllowed(e)&&i<=t}));return this.clientRect=null,e.getMaxLevelByMediaSize(n,this.mediaWidth,this.mediaHeight)},t.startCapping=function(){this.timer||(this.autoLevelCapping=Number.POSITIVE_INFINITY,self.clearInterval(this.timer),this.timer=self.setInterval(this.detectPlayerSize.bind(this),1e3),this.detectPlayerSize())},t.stopCapping=function(){this.restrictedLevels=[],this.firstLevel=-1,this.autoLevelCapping=Number.POSITIVE_INFINITY,this.timer&&(self.clearInterval(this.timer),this.timer=void 0)},t.getDimensions=function(){if(this.clientRect)return this.clientRect;var e=this.media,t={width:0,height:0};if(e){var r=e.getBoundingClientRect();t.width=r.width,t.height=r.height,t.width||t.height||(t.width=r.right-r.left||e.width||0,t.height=r.bottom-r.top||e.height||0)}return this.clientRect=t,t},t.isLevelAllowed=function(e){return!this.restrictedLevels.some((function(t){return e.bitrate===t.bitrate&&e.width===t.width&&e.height===t.height}))},e.getMaxLevelByMediaSize=function(e,t,r){if(null==e||!e.length)return-1;for(var i,n,a=e.length-1,s=Math.max(t,r),o=0;o=s||l.height>=s)&&(i=l,!(n=e[o+1])||i.width!==n.width||i.height!==n.height)){a=o;break}}return a},i(e,[{key:"mediaWidth",get:function(){return this.getDimensions().width*this.contentScaleFactor}},{key:"mediaHeight",get:function(){return this.getDimensions().height*this.contentScaleFactor}},{key:"contentScaleFactor",get:function(){var e=1;if(!this.hls.config.ignoreDevicePixelRatio)try{e=self.devicePixelRatio}catch(e){}return Math.min(e,this.hls.config.maxDevicePixelRatio)}}])}(),Ca={MANIFEST:"m",AUDIO:"a",VIDEO:"v",MUXED:"av",INIT:"i",CAPTION:"c",TIMED_TEXT:"tt",KEY:"k",OTHER:"o"},wa={HLS:"h"},Oa=function e(t,r){Array.isArray(t)&&(t=t.map((function(t){return t instanceof e?t:new e(t)}))),this.value=t,this.params=r},xa="Dict";function Ma(e,t,r,i){return new Error("failed to "+e+' "'+(n=t,(Array.isArray(n)?JSON.stringify(n):n instanceof Map?"Map{}":n instanceof Set?"Set{}":"object"==typeof n?JSON.stringify(n):String(n))+'" as ')+r,{cause:i});var n}function Fa(e,t,r){return Ma("serialize",e,t,r)}var Na=function(e){this.description=e},Ua="Bare Item",Ba="Boolean",Ga="Byte Sequence";function Ka(e){if(!1===ArrayBuffer.isView(e))throw Fa(e,Ga);return":"+(t=e,btoa(String.fromCharCode.apply(String,t))+":");var t}var Va="Integer";function Ha(e){if(function(e){return e<-999999999999999||99999999999999912)throw Fa(e,Wa);var r=t.toString();return r.includes(".")?r:r+".0"}var 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0!==i?i:t[n]={})[r]=e[r],t}),r)}var hs="event",fs=function(e){return Math.round(e)},cs=function(e,t){return Array.isArray(e)?e.map((function(e){return cs(e,t)})):e instanceof Oa&&"string"==typeof e.value?new Oa(cs(e.value,t),e.params):(t.baseUrl&&(e=function(e,t){var r=new URL(e),i=new URL(t);if(r.origin!==i.origin)return e;for(var n=r.pathname.split("/").slice(1),a=i.pathname.split("/").slice(1,-1);n[0]===a[0];)n.shift(),a.shift();for(;a.length;)a.shift(),n.unshift("..");return n.join("/")+r.search+r.hash}(e,t.baseUrl)),1===t.version?encodeURIComponent(e):e)},gs=function(e){return 100*fs(e/100)},vs={br:fs,d:fs,bl:gs,dl:gs,mtp:gs,nor:function(e,t){var r=e;return t.version>=2&&(e instanceof Oa&&"string"==typeof e.value?r=new Oa([e]):"string"==typeof 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ws=/CMCD=[^&#]+/;function Os(e,t,r){var i=function(e,t){if(void 0===t&&(t={}),!e)return"";var r=Cs(e,t);return Ps+"="+r}(t,r);if(!i)return e;if(ws.test(e))return e.replace(ws,i);var n=e.includes("?")?"&":"?";return""+e+n+i}var xs=function(){function e(e){var t=this;this.hls=void 0,this.config=void 0,this.media=void 0,this.sid=void 0,this.cid=void 0,this.useHeaders=!1,this.includeKeys=void 0,this.initialized=!1,this.starved=!1,this.buffering=!0,this.audioBuffer=void 0,this.videoBuffer=void 0,this.onWaiting=function(){t.initialized&&(t.starved=!0),t.buffering=!0},this.onPlaying=function(){t.initialized||(t.initialized=!0),t.buffering=!1},this.applyPlaylistData=function(e){try{t.apply(e,{ot:Ca.MANIFEST,su:!t.initialized})}catch(e){t.hls.logger.warn("Could not generate manifest CMCD data.",e)}},this.applyFragmentData=function(e){try{var r=e.frag,i=e.part,n=t.hls.levels[r.level],a=t.getObjectType(r),s={d:1e3*(i||r).duration,ot:a};a!==Ca.VIDEO&&a!==Ca.AUDIO&&a!=Ca.MUXED||(s.br=n.bitrate/1e3,s.tb=t.getTopBandwidth(a)/1e3,s.bl=t.getBufferLength(a));var o=i?t.getNextPart(i):t.getNextFrag(r);null!=o&&o.url&&o.url!==r.url&&(s.nor=o.url),t.apply(e,s)}catch(e){t.hls.logger.warn("Could not generate segment CMCD data.",e)}},this.hls=e;var r=this.config=e.config,i=r.cmcd;null!=i&&(r.pLoader=this.createPlaylistLoader(),r.fLoader=this.createFragmentLoader(),this.sid=i.sessionId||e.sessionId,this.cid=i.contentId,this.useHeaders=!0===i.useHeaders,this.includeKeys=i.includeKeys,this.registerListeners())}var t=e.prototype;return t.registerListeners=function(){var e=this.hls;e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHED,this.onMediaDetached,this),e.on(b.BUFFER_CREATED,this.onBufferCreated,this)},t.unregisterListeners=function(){var e=this.hls;e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHED,this.onMediaDetached,this),e.off(b.BUFFER_CREATED,this.onBufferCreated,this)},t.destroy=function(){this.unregisterListeners(),this.onMediaDetached(),this.hls=this.config=this.audioBuffer=this.videoBuffer=null,this.onWaiting=this.onPlaying=this.media=null},t.onMediaAttached=function(e,t){this.media=t.media,this.media.addEventListener("waiting",this.onWaiting),this.media.addEventListener("playing",this.onPlaying)},t.onMediaDetached=function(){this.media&&(this.media.removeEventListener("waiting",this.onWaiting),this.media.removeEventListener("playing",this.onPlaying),this.media=null)},t.onBufferCreated=function(e,t){var r,i;this.audioBuffer=null==(r=t.tracks.audio)?void 0:r.buffer,this.videoBuffer=null==(i=t.tracks.video)?void 0:i.buffer},t.createData=function(){var e;return{v:1,sf:wa.HLS,sid:this.sid,cid:this.cid,pr:null==(e=this.media)?void 0:e.playbackRate,mtp:this.hls.bandwidthEstimate/1e3}},t.apply=function(e,t){void 0===t&&(t={}),a(t,this.createData());var r=t.ot===Ca.INIT||t.ot===Ca.VIDEO||t.ot===Ca.MUXED;this.starved&&r&&(t.bs=!0,t.su=!0,this.starved=!1),null==t.su&&(t.su=this.buffering);var i=this.includeKeys;i&&(t=Object.keys(t).reduce((function(e,r){return i.includes(r)&&(e[r]=t[r]),e}),{}));var n={baseUrl:e.url};this.useHeaders?(e.headers||(e.headers={}),_s(e.headers,t,n)):e.url=Os(e.url,t,n)},t.getNextFrag=function(e){var t,r=null==(t=this.hls.levels[e.level])?void 0:t.details;if(r){var i=e.sn-r.startSN;return r.fragments[i+1]}},t.getNextPart=function(e){var t,r=e.index,i=e.fragment,n=null==(t=this.hls.levels[i.level])||null==(t=t.details)?void 0:t.partList;if(n)for(var a=i.sn,s=n.length-1;s>=0;s--){var o=n[s];if(o.index===r&&o.fragment.sn===a)return n[s+1]}},t.getObjectType=function(e){var t=e.type;return"subtitle"===t?Ca.TIMED_TEXT:"initSegment"===e.sn?Ca.INIT:"audio"===t?Ca.AUDIO:"main"===t?this.hls.audioTracks.length?Ca.VIDEO:Ca.MUXED:void 0},t.getTopBandwidth=function(e){var t,r=0,i=this.hls;if(e===Ca.AUDIO)t=i.audioTracks;else{var n=i.maxAutoLevel,a=n>-1?n+1:i.levels.length;t=i.levels.slice(0,a)}return t.forEach((function(e){e.bitrate>r&&(r=e.bitrate)})),r>0?r:NaN},t.getBufferLength=function(e){var t=this.media,r=e===Ca.AUDIO?this.audioBuffer:this.videoBuffer;return r&&t?1e3*dr.bufferInfo(r,t.currentTime,this.config.maxBufferHole).len:NaN},t.createPlaylistLoader=function(){var e=this.config.pLoader,t=this.applyPlaylistData,r=e||this.config.loader;return function(){function e(e){this.loader=void 0,this.loader=new r(e)}var n=e.prototype;return n.destroy=function(){this.loader.destroy()},n.abort=function(){this.loader.abort()},n.load=function(e,r,i){t(e),this.loader.load(e,r,i)},i(e,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}])}()},t.createFragmentLoader=function(){var e=this.config.fLoader,t=this.applyFragmentData,r=e||this.config.loader;return function(){function e(e){this.loader=void 0,this.loader=new r(e)}var n=e.prototype;return n.destroy=function(){this.loader.destroy()},n.abort=function(){this.loader.abort()},n.load=function(e,r,i){t(e),this.loader.load(e,r,i)},i(e,[{key:"stats",get:function(){return this.loader.stats}},{key:"context",get:function(){return this.loader.context}}])}()},e}(),Ms=function(e){function t(t){var r;return(r=e.call(this,"content-steering",t.logger)||this).hls=void 0,r.loader=null,r.uri=null,r.pathwayId=".",r._pathwayPriority=null,r.timeToLoad=300,r.reloadTimer=-1,r.updated=0,r.started=!1,r.enabled=!0,r.levels=null,r.audioTracks=null,r.subtitleTracks=null,r.penalizedPathways={},r.hls=t,r.registerListeners(),r}o(t,e);var r=t.prototype;return r.registerListeners=function(){var e=this.hls;e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(b.MANIFEST_PARSED,this.onManifestParsed,this),e.on(b.ERROR,this.onError,this)},r.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(b.MANIFEST_PARSED,this.onManifestParsed,this),e.off(b.ERROR,this.onError,this))},r.pathways=function(){return(this.levels||[]).reduce((function(e,t){return-1===e.indexOf(t.pathwayId)&&e.push(t.pathwayId),e}),[])},r.startLoad=function(){if(this.started=!0,this.clearTimeout(),this.enabled&&this.uri){if(this.updated){var e=1e3*this.timeToLoad-(performance.now()-this.updated);if(e>0)return void this.scheduleRefresh(this.uri,e)}this.loadSteeringManifest(this.uri)}},r.stopLoad=function(){this.started=!1,this.loader&&(this.loader.destroy(),this.loader=null),this.clearTimeout()},r.clearTimeout=function(){-1!==this.reloadTimer&&(self.clearTimeout(this.reloadTimer),this.reloadTimer=-1)},r.destroy=function(){this.unregisterListeners(),this.stopLoad(),this.hls=null,this.levels=this.audioTracks=this.subtitleTracks=null},r.removeLevel=function(e){var t=this.levels;t&&(this.levels=t.filter((function(t){return t!==e})))},r.onManifestLoading=function(){this.stopLoad(),this.enabled=!0,this.timeToLoad=300,this.updated=0,this.uri=null,this.pathwayId=".",this.levels=this.audioTracks=this.subtitleTracks=null},r.onManifestLoaded=function(e,t){var r=t.contentSteering;null!==r&&(this.pathwayId=r.pathwayId,this.uri=r.uri,this.started&&this.startLoad())},r.onManifestParsed=function(e,t){this.audioTracks=t.audioTracks,this.subtitleTracks=t.subtitleTracks},r.onError=function(e,t){var r=t.errorAction;if((null==r?void 0:r.action)===Ot&&r.flags===Nt){var i=this.levels,n=this._pathwayPriority,a=this.pathwayId;if(t.context){var s=t.context,o=s.groupId,l=s.pathwayId,u=s.type;o&&i?a=this.getPathwayForGroupId(o,u,a):l&&(a=l)}a in this.penalizedPathways||(this.penalizedPathways[a]=performance.now()),!n&&i&&(n=this.pathways()),n&&n.length>1&&(this.updatePathwayPriority(n),r.resolved=this.pathwayId!==a),t.details!==k.BUFFER_APPEND_ERROR||t.fatal?r.resolved||this.warn("Could not resolve "+t.details+' ("'+t.error.message+'") with content-steering for Pathway: '+a+" levels: "+(i?i.length:i)+" priorities: "+ut(n)+" penalized: "+ut(this.penalizedPathways)):r.resolved=!0}},r.filterParsedLevels=function(e){this.levels=e;var t=this.getLevelsForPathway(this.pathwayId);if(0===t.length){var r=e[0].pathwayId;this.log("No levels found in Pathway "+this.pathwayId+'. Setting initial Pathway to "'+r+'"'),t=this.getLevelsForPathway(r),this.pathwayId=r}return t.length!==e.length&&this.log("Found "+t.length+"/"+e.length+' levels in Pathway "'+this.pathwayId+'"'),t},r.getLevelsForPathway=function(e){return null===this.levels?[]:this.levels.filter((function(t){return e===t.pathwayId}))},r.updatePathwayPriority=function(e){var t;this._pathwayPriority=e;var r=this.penalizedPathways,i=performance.now();Object.keys(r).forEach((function(e){i-r[e]>3e5&&delete r[e]}));for(var n=0;n0){this.log('Setting Pathway to "'+a+'"'),this.pathwayId=a,yi(t),this.hls.trigger(b.LEVELS_UPDATED,{levels:t});var l=this.hls.levels[s];o&&l&&this.levels&&(l.attrs["STABLE-VARIANT-ID"]!==o.attrs["STABLE-VARIANT-ID"]&&l.bitrate!==o.bitrate&&this.log("Unstable Pathways change from bitrate "+o.bitrate+" to "+l.bitrate),this.hls.nextLoadLevel=s);break}}}},r.getPathwayForGroupId=function(e,t,r){for(var i=this.getLevelsForPathway(r).concat(this.levels||[]),n=0;n tenc");o=new Uint8Array(u.subarray(8,24))}catch(e){return void i.warn(n+" Failed to parse sinf: "+e)}for(var d,h=X(o),f=i,c=f.keyIdToKeySessionPromise,g=f.mediaKeySessions,v=c[h],m=function(){var e=g[p],n=e.decryptdata;if(!n.keyId)return 0;var a=X(n.keyId);return Ar(o,n.keyId)||-1!==n.uri.replace(/-/g,"").indexOf(h)?(v=c[a])?(n.pssh||(delete c[a],n.pssh=new Uint8Array(r),n.keyId=o,(v=c[h]=v.then((function(){return i.generateRequestWithPreferredKeySession(e,t,r,"encrypted-event-key-match")}))).catch((function(e){return i.handleError(e)}))),1):0:void 0},p=0;p0)for(var a,s=0,o=n.length;s in key message");return br(atob(c))},r.setupLicenseXHR=function(e,t,r,i){var n=this,a=this.config.licenseXhrSetup;return a?Promise.resolve().then((function(){if(!r.decryptdata)throw new Error("Key removed");return a.call(n.hls,e,t,r,i)})).catch((function(s){if(!r.decryptdata)throw s;return e.open("POST",t,!0),a.call(n.hls,e,t,r,i)})).then((function(r){return e.readyState||e.open("POST",t,!0),{xhr:e,licenseChallenge:r||i}})):(e.open("POST",t,!0),Promise.resolve({xhr:e,licenseChallenge:i}))},r.requestLicense=function(e,t){var r=this,i=this.config.keyLoadPolicy.default;return new Promise((function(n,a){var s=r.getLicenseServerUrlOrThrow(e.keySystem);r.log("Sending license request to URL: "+s);var o=new XMLHttpRequest;o.responseType="arraybuffer",o.onreadystatechange=function(){if(!r.hls||!e.mediaKeysSession)return a(new Error("invalid state"));if(4===o.readyState)if(200===o.status){r._requestLicenseFailureCount=0;var l=o.response;r.log("License received "+(l instanceof ArrayBuffer?l.byteLength:l));var u=r.config.licenseResponseCallback;if(u)try{l=u.call(r.hls,o,s,e)}catch(e){r.error(e)}n(l)}else{var d=i.errorRetry,h=d?d.maxNumRetry:0;if(r._requestLicenseFailureCount++,r._requestLicenseFailureCount>h||o.status>=400&&o.status<500)a(new Ks({type:R.KEY_SYSTEM_ERROR,details:k.KEY_SYSTEM_LICENSE_REQUEST_FAILED,decryptdata:e.decryptdata,fatal:!0,networkDetails:o,response:{url:s,data:void 0,code:o.status,text:o.statusText}},"License Request XHR failed ("+s+"). Status: "+o.status+" ("+o.statusText+")"));else{var f=h-r._requestLicenseFailureCount+1;r.warn("Retrying license request, "+f+" attempts left"),r.requestLicense(e,t).then(n,a)}}},e.licenseXhr&&e.licenseXhr.readyState!==XMLHttpRequest.DONE&&e.licenseXhr.abort(),e.licenseXhr=o,r.setupLicenseXHR(o,s,e,t).then((function(t){var i=t.xhr,n=t.licenseChallenge;e.keySystem==Cr.PLAYREADY&&(n=r.unpackPlayReadyKeyMessage(i,n)),i.send(n)})).catch(a)}))},r.onDestroying=function(){this.unregisterListeners(),this._clear()},r.onMediaAttached=function(e,t){if(this.config.emeEnabled){var r=t.media;this.media=r,ki(r,"encrypted",this.onMediaEncrypted),ki(r,"waitingforkey",this.onWaitingForKey);var i=this.mediaResolved;i?i():this.mediaKeys=r.mediaKeys}},r.onMediaDetached=function(){var e=this.media;e&&(bi(e,"encrypted",this.onMediaEncrypted),bi(e,"waitingforkey",this.onWaitingForKey),this.media=null,this.mediaKeys=null)},r._clear=function(){var e,r=this;this._requestLicenseFailureCount=0,this.keyIdToKeySessionPromise={},this.bannedKeyIds={};var i=this.mediaResolved;if(i&&i(),this.mediaKeys||this.mediaKeySessions.length){var n=this.media,a=this.mediaKeySessions.slice();this.mediaKeySessions=[],this.mediaKeys=null,Hr.clearKeyUriToKeyIdMap();var s=a.length;t.CDMCleanupPromise=Promise.all(a.map((function(e){return r.removeSession(e)})).concat((null==n||null==(e=n.setMediaKeys(null))?void 0:e.catch((function(e){r.log("Could not clear media keys: "+e),r.hls&&r.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.KEY_SYSTEM_DESTROY_MEDIA_KEYS_ERROR,fatal:!1,error:new Error("Could not clear media keys: "+e)})})))||Promise.resolve())).catch((function(e){r.log("Could not close sessions and clear media keys: "+e),r.hls&&r.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.KEY_SYSTEM_DESTROY_CLOSE_SESSION_ERROR,fatal:!1,error:new Error("Could not close sessions and clear media keys: "+e)})})).then((function(){s&&r.log("finished closing key sessions and clearing media keys")}))}},r.onManifestLoading=function(){this._clear()},r.onManifestLoaded=function(e,t){var r=t.sessionKeys;if(r&&this.config.emeEnabled&&!this.keyFormatPromise){var i=r.reduce((function(e,t){return-1===e.indexOf(t.keyFormat)&&e.push(t.keyFormat),e}),[]);this.log("Selecting key-system from session-keys "+i.join(", ")),this.keyFormatPromise=this.getKeyFormatPromise(i)}},r.removeSession=function(e){var t=this,r=e.mediaKeysSession,i=e.licenseXhr,n=e.decryptdata;if(r){this.log('Remove licenses and keys and close session "'+r.sessionId+'" keyId: '+X((null==n?void 0:n.keyId)||[])),e._onmessage&&(r.removeEventListener("message",e._onmessage),e._onmessage=void 0),e._onkeystatuseschange&&(r.removeEventListener("keystatuseschange",e._onkeystatuseschange),e._onkeystatuseschange=void 0),i&&i.readyState!==XMLHttpRequest.DONE&&i.abort(),e.mediaKeysSession=e.decryptdata=e.licenseXhr=void 0;var a=this.mediaKeySessions.indexOf(e);a>-1&&this.mediaKeySessions.splice(a,1);var s=e.keyStatusTimeouts;s&&Object.keys(s).forEach((function(e){return self.clearTimeout(s[e])}));var o=function(e){var t;return!(!e||"persistent-license"!==e.sessionType&&(null==(t=e.sessionTypes)||!t.some((function(e){return"persistent-license"===e}))))}(this.config.drmSystemOptions)?new Promise((function(e,t){self.setTimeout((function(){return t(new Error("MediaKeySession.remove() timeout"))}),8e3),r.remove().then(e).catch(t)})):Promise.resolve();return o.catch((function(e){t.log("Could not remove session: "+e),t.hls&&t.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.KEY_SYSTEM_DESTROY_REMOVE_SESSION_ERROR,fatal:!1,error:new Error("Could not remove session: "+e)})})).then((function(){return r.close()})).catch((function(e){t.log("Could not close session: "+e),t.hls&&t.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.KEY_SYSTEM_DESTROY_CLOSE_SESSION_ERROR,fatal:!1,error:new Error("Could not close session: "+e)})}))}return Promise.resolve()},t}(N);function Bs(e){if(!e)throw new Error("Could not read keyId of undefined decryptdata");if(null===e.keyId)throw new Error("keyId is null");return X(e.keyId)}function Gs(e,t){return e.keyId&&t.mediaKeysSession.keyStatuses.has(e.keyId)?t.mediaKeysSession.keyStatuses.get(e.keyId):e.matches(t.decryptdata)?t.keyStatus:void 0}Us.CDMCleanupPromise=void 0;var Ks=function(e){function t(t,r){var i;return(i=e.call(this,r)||this).data=void 0,t.error||(t.error=new Error(r)),i.data=t,t.err=t.error,i}return o(t,e),t}(c(Error));function Vs(e,t){var r="output-restricted"===e,i=r?k.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED:k.KEY_SYSTEM_STATUS_INTERNAL_ERROR;return new Ks({type:R.KEY_SYSTEM_ERROR,details:i,fatal:!1,decryptdata:t},r?"HDCP level output restricted":'key status changed to "'+e+'"')}var Hs=function(){function e(e){this.hls=void 0,this.isVideoPlaybackQualityAvailable=!1,this.timer=void 0,this.media=null,this.lastTime=void 0,this.lastDroppedFrames=0,this.lastDecodedFrames=0,this.streamController=void 0,this.hls=e,this.registerListeners()}var t=e.prototype;return t.setStreamController=function(e){this.streamController=e},t.registerListeners=function(){this.hls.on(b.MEDIA_ATTACHING,this.onMediaAttaching,this),this.hls.on(b.MEDIA_DETACHING,this.onMediaDetaching,this)},t.unregisterListeners=function(){this.hls.off(b.MEDIA_ATTACHING,this.onMediaAttaching,this),this.hls.off(b.MEDIA_DETACHING,this.onMediaDetaching,this)},t.destroy=function(){this.timer&&clearInterval(this.timer),this.unregisterListeners(),this.isVideoPlaybackQualityAvailable=!1,this.media=null},t.onMediaAttaching=function(e,t){var r=this.hls.config;if(r.capLevelOnFPSDrop){var i=t.media instanceof self.HTMLVideoElement?t.media:null;this.media=i,i&&"function"==typeof i.getVideoPlaybackQuality&&(this.isVideoPlaybackQualityAvailable=!0),self.clearInterval(this.timer),this.timer=self.setInterval(this.checkFPSInterval.bind(this),r.fpsDroppedMonitoringPeriod)}},t.onMediaDetaching=function(){this.media=null},t.checkFPS=function(e,t,r){var i=performance.now();if(t){if(this.lastTime){var n=i-this.lastTime,a=r-this.lastDroppedFrames,s=t-this.lastDecodedFrames,o=1e3*a/n,l=this.hls;if(l.trigger(b.FPS_DROP,{currentDropped:a,currentDecoded:s,totalDroppedFrames:r}),o>0&&a>l.config.fpsDroppedMonitoringThreshold*s){var u=l.currentLevel;l.logger.warn("drop FPS ratio greater than max allowed value for currentLevel: "+u),u>0&&(-1===l.autoLevelCapping||l.autoLevelCapping>=u)&&(u-=1,l.trigger(b.FPS_DROP_LEVEL_CAPPING,{level:u,droppedLevel:l.currentLevel}),l.autoLevelCapping=u,this.streamController.nextLevelSwitch())}}this.lastTime=i,this.lastDroppedFrames=r,this.lastDecodedFrames=t}},t.checkFPSInterval=function(){var e=this.media;if(e)if(this.isVideoPlaybackQualityAvailable){var t=e.getVideoPlaybackQuality();this.checkFPS(e,t.totalVideoFrames,t.droppedVideoFrames)}else this.checkFPS(e,e.webkitDecodedFrameCount,e.webkitDroppedFrameCount)},e}();function Ys(e){for(var t=5381,r=e.length;r;)t=33*t^e.charCodeAt(--r);return(t>>>0).toString()}var Ws=.025,js=function(e){return e[e.Point=0]="Point",e[e.Range=1]="Range",e}({});function qs(e,t,r){return e.identifier+"-"+(r+1)+"-"+Ys(t)}var Xs=function(){function e(e,t){this.base=void 0,this._duration=null,this._timelineStart=null,this.appendInPlaceDisabled=void 0,this.appendInPlaceStarted=void 0,this.dateRange=void 0,this.hasPlayed=!1,this.cumulativeDuration=0,this.resumeOffset=NaN,this.playoutLimit=NaN,this.restrictions={skip:!1,jump:!1},this.snapOptions={out:!1,in:!1},this.assetList=[],this.assetListLoader=void 0,this.assetListResponse=null,this.resumeAnchor=void 0,this.error=void 0,this.resetOnResume=void 0,this.base=t,this.dateRange=e,this.setDateRange(e)}var t=e.prototype;return t.setDateRange=function(e){this.dateRange=e,this.resumeOffset=e.attr.optionalFloat("X-RESUME-OFFSET",this.resumeOffset),this.playoutLimit=e.attr.optionalFloat("X-PLAYOUT-LIMIT",this.playoutLimit),this.restrictions=e.attr.enumeratedStringList("X-RESTRICT",this.restrictions),this.snapOptions=e.attr.enumeratedStringList("X-SNAP",this.snapOptions)},t.reset=function(){var e;this.appendInPlaceStarted=!1,null==(e=this.assetListLoader)||e.destroy(),this.assetListLoader=void 0,this.supplementsPrimary||(this.assetListResponse=null,this.assetList=[],this._duration=null)},t.isAssetPastPlayoutLimit=function(e){var t;if(e>0&&e>=this.assetList.length)return!0;var r=this.playoutLimit;return!(e<=0||isNaN(r))&&(0===r||((null==(t=this.assetList[e])?void 0:t.startOffset)||0)>r)},t.findAssetIndex=function(e){return this.assetList.indexOf(e)},t.toString=function(){return'["'+(e=this).identifier+'" '+(e.cue.pre?"
":e.cue.post?"":"")+e.timelineStart.toFixed(2)+"-"+e.resumeTime.toFixed(2)+"]";var e},i(e,[{key:"identifier",get:function(){return this.dateRange.id}},{key:"startDate",get:function(){return this.dateRange.startDate}},{key:"startTime",get:function(){var e=this.dateRange.startTime;if(this.snapOptions.out){var t=this.dateRange.tagAnchor;if(t)return Qs(e,t)}return e}},{key:"startOffset",get:function(){return this.cue.pre?0:this.startTime}},{key:"startIsAligned",get:function(){if(0===this.startTime||this.snapOptions.out)return!0;var e=this.dateRange.tagAnchor;if(e){var t=this.dateRange.startTime;return t-Qs(t,e)<.1}return!1}},{key:"resumptionOffset",get:function(){var e=this.resumeOffset,t=A(e)?e:this.duration;return this.cumulativeDuration+t}},{key:"resumeTime",get:function(){var e=this.startOffset+this.resumptionOffset;if(this.snapOptions.in){var t=this.resumeAnchor;if(t)return Qs(e,t)}return e}},{key:"appendInPlace",get:function(){return!!this.appendInPlaceStarted||!this.appendInPlaceDisabled&&!(this.cue.once||this.cue.pre||!this.startIsAligned||!(isNaN(this.playoutLimit)&&isNaN(this.resumeOffset)||this.resumeOffset&&this.duration&&Math.abs(this.resumeOffset-this.duration)0||null!==this.assetListResponse}}])}();function Qs(e,t){return e-t.start=r-.02},t.reachedPlayout=function(e){var t=this.interstitial.playoutLimit;return this.startOffset+e>=t},t.getAssetTime=function(e){var t=this.timelineOffset,r=this.duration;return Math.min(Math.max(0,e-t),r)},t.removeMediaListeners=function(){var e=this.mediaAttached;e&&(this._currentTime=e.currentTime,this.bufferSnapShot(),e.removeEventListener("timeupdate",this.checkPlayout))},t.bufferSnapShot=function(){var e;this.mediaAttached&&null!=(e=this.hls)&&e.bufferedToEnd&&(this._bufferedEosTime=this.bufferedEnd)},t.destroy=function(){this.removeMediaListeners(),this.hls&&this.hls.destroy(),this.hls=null,this.tracks=this.mediaAttached=this.checkPlayout=null},t.attachMedia=function(e){var t;this.loadSource(),null==(t=this.hls)||t.attachMedia(e)},t.detachMedia=function(){var e;this.removeMediaListeners(),this.mediaAttached=null,null==(e=this.hls)||e.detachMedia()},t.resumeBuffering=function(){var e;null==(e=this.hls)||e.resumeBuffering()},t.pauseBuffering=function(){var e;null==(e=this.hls)||e.pauseBuffering()},t.transferMedia=function(){var e;return this.bufferSnapShot(),(null==(e=this.hls)?void 0:e.transferMedia())||null},t.resetDetails=function(){var e=this.hls;if(e&&this.hasDetails){e.stopLoad();var t=function(e){return delete e.details};e.levels.forEach(t),e.allAudioTracks.forEach(t),e.allSubtitleTracks.forEach(t),this.hasDetails=!1}},t.on=function(e,t,r){var i;null==(i=this.hls)||i.on(e,t)},t.once=function(e,t,r){var i;null==(i=this.hls)||i.once(e,t)},t.off=function(e,t,r){var i;null==(i=this.hls)||i.off(e,t)},t.toString=function(){var e;return"HlsAssetPlayer: "+Zs(this.assetItem)+" "+(null==(e=this.hls)?void 0:e.sessionId)+" "+(this.appendInPlace?"append-in-place":"")},i(e,[{key:"appendInPlace",get:function(){return this.interstitial.appendInPlace}},{key:"destroyed",get:function(){var e;return!(null!=(e=this.hls)&&e.userConfig)}},{key:"assetId",get:function(){return this.assetItem.identifier}},{key:"interstitialId",get:function(){return this.assetItem.parentIdentifier}},{key:"media",get:function(){var e;return(null==(e=this.hls)?void 0:e.media)||null}},{key:"bufferedEnd",get:function(){var e=this.media||this.mediaAttached;if(!e)return this._bufferedEosTime?this._bufferedEosTime:this.currentTime;var t=dr.bufferInfo(e,e.currentTime,.001);return this.getAssetTime(t.end)}},{key:"currentTime",get:function(){var e=this.media||this.mediaAttached;return e?this.getAssetTime(e.currentTime):this._currentTime||0}},{key:"duration",get:function(){var e=this.assetItem.duration;if(!e)return 0;var t=this.interstitial.playoutLimit;if(t){var r=t-this.startOffset;if(r>0&&r1/9e4&&this.hls){if(this.hasDetails)throw new Error("Cannot set timelineOffset after playlists are loaded");this.hls.config.timelineOffset=e}}}}])}(),eo=function(e){function t(t,r){var i;return(i=e.call(this,"interstitials-sched",r)||this).onScheduleUpdate=void 0,i.eventMap={},i.events=null,i.items=null,i.durations={primary:0,playout:0,integrated:0},i.onScheduleUpdate=t,i}o(t,e);var r=t.prototype;return r.destroy=function(){this.reset(),this.onScheduleUpdate=null},r.reset=function(){this.eventMap={},this.setDurations(0,0,0),this.events&&this.events.forEach((function(e){return e.reset()})),this.events=this.items=null},r.resetErrorsInRange=function(e,t){return this.events?this.events.reduce((function(r,i){return e<=i.startOffset&&t>i.startOffset?(delete i.error,r+1):r}),0):0},r.getEvent=function(e){return e&&this.eventMap[e]||null},r.hasEvent=function(e){return e in this.eventMap},r.findItemIndex=function(e,t){if(e.event)return this.findEventIndex(e.event.identifier);var r=-1;e.nextEvent?r=this.findEventIndex(e.nextEvent.identifier)-1:e.previousEvent&&(r=this.findEventIndex(e.previousEvent.identifier)+1);var i=this.items;if(i)for(i[r]||(void 0===t&&(t=e.start),r=this.findItemIndexAtTime(t));r>=0&&null!=(n=i[r])&&n.event;){var n;r--}return r},r.findItemIndexAtTime=function(e,t){var r=this.items;if(r)for(var i=0;in.start&&e1)for(var n=0;ns&&(t.005||Math.abs(e.playout.end-n[t].playout.end)>.005})))&&(this.items=a,this.onScheduleUpdate(t,n))}},r.parseDateRanges=function(e,t,r){for(var i=[],n=Object.keys(e),a=0;a.033){var A=s,L=o;o+=S;var I=a;a+=S;var R={previousEvent:e[i-1]||null,nextEvent:t,start:A,end:A+S,playout:{start:I,end:a},integrated:{start:L,end:o}};r.push(R)}else S>0&&d&&(d.cumulativeDuration+=S,r[r.length-1].end=f)}u&&(y=p),t.timelineStart=p;var k=o;o+=g;var b=a;a+=c,r.push({event:t,start:p,end:y,playout:{start:b,end:a},integrated:{start:k,end:o}})}var D=t.resumeTime;s=u||D>n?n:D})),sWs?(this.log('"'+e.identifier+'" resumption '+i+" not aligned with estimated timeline end "+n),!1):!Object.keys(t).some((function(n){var a=t[n].details,s=a.edge;if(i>=s)return r.log('"'+e.identifier+'" resumption '+i+" past "+n+" playlist end "+s),!1;var o=Tt(null,a.fragments,i);if(!o)return r.log('"'+e.identifier+'" resumption '+i+" does not align with any fragments in "+n+" playlist ("+a.fragStart+"-"+a.fragmentEnd+")"),!0;var l="audio"===n?.175:0;return!(Math.abs(o.start-i)=n.end){var a,s=i.findItemIndex(n),o=i.schedule.findItemIndexAtTime(e);if(-1===o&&(o=s+(r?-1:1),i.log("seeked "+(r?"back ":"")+"to position not covered by schedule "+e+" (resolving from "+s+" to "+o+")")),!i.isInterstitial(n)&&null!=(a=i.media)&&a.paused&&(i.shouldPlay=!1),!r&&o>s){var l=i.schedule.findJumpRestrictedIndex(s+1,o);if(l>s)return void i.setSchedulePosition(l)}i.setSchedulePosition(o)}else{var u=i.playingAsset;if(u){var d,h=u.timelineStart,f=u.duration||0;(r&&e=h+f)&&(null!=(d=n.event)&&d.appendInPlace&&(i.clearAssetPlayers(n.event,n),i.flushFrontBuffer(e)),i.setScheduleToAssetAtTime(e,u))}else if(i.playingLastItem&&i.isInterstitial(n)){var c=n.event.assetList[0];c&&(i.endedItem=i.playingItem,i.playingItem=null,i.setScheduleToAssetAtTime(e,c))}}else i.checkBuffer()}}},i.onTimeupdate=function(){var e=i.currentTime;if(void 0!==e&&!i.playbackDisabled&&e>i.timelinePos){i.timelinePos=e,e>i.bufferedPos&&i.checkBuffer();var t=i.playingItem;if(t&&!i.playingLastItem){if(e>=t.end){i.timelinePos=t.end;var r=i.findItemIndex(t);i.setSchedulePosition(r+1)}var n=i.playingAsset;n&&e>=n.timelineStart+(n.duration||0)&&i.setScheduleToAssetAtTime(e,n)}}},i.onScheduleUpdate=function(e,t){var r=i.schedule;if(r){var n=i.playingItem,a=r.events||[],s=r.items||[],o=r.durations,l=e.map((function(e){return e.identifier})),u=!(!a.length&&!l.length);(u||t)&&i.log("INTERSTITIALS_UPDATED ("+a.length+"): "+a+"\nSchedule: "+s.map((function(e){return to(e)}))+" pos: "+i.timelinePos),l.length&&i.log("Removed events "+l);var d=null,h=null;n&&(d=i.updateItem(n,i.timelinePos),i.itemsMatch(n,d)?i.playingItem=d:i.waitingItem=i.endedItem=null),i.waitingItem=i.updateItem(i.waitingItem),i.endedItem=i.updateItem(i.endedItem);var f=i.bufferingItem;if(f&&(h=i.updateItem(f,i.bufferedPos),i.itemsMatch(f,h)?i.bufferingItem=h:f.event&&(i.bufferingItem=i.playingItem,i.clearInterstitial(f.event,null))),e.forEach((function(e){e.assetList.forEach((function(e){i.clearAssetPlayer(e.identifier,null)}))})),i.playerQueue.forEach((function(e){if(e.interstitial.appendInPlace){var t=e.assetItem.timelineStart,r=e.timelineOffset-t;if(r)try{e.timelineOffset=t}catch(n){Math.abs(r)>Ws&&i.warn(n+' ("'+e.assetId+'" '+e.timelineOffset+"->"+t+")")}}})),u||t){if(i.hls.trigger(b.INTERSTITIALS_UPDATED,{events:a.slice(0),schedule:s.slice(0),durations:o,removedIds:l}),i.isInterstitial(n)&&l.includes(n.event.identifier))return i.warn('Interstitial "'+n.event.identifier+'" removed while playing'),void i.primaryFallback(n.event);n&&i.trimInPlace(d,n),f&&h!==d&&i.trimInPlace(h,f),i.checkBuffer()}}},i.hls=t,i.HlsPlayerClass=r,i.assetListLoader=new ro(t),i.schedule=new eo(i.onScheduleUpdate,t.logger),i.registerListeners(),i}o(t,e);var r=t.prototype;return r.registerListeners=function(){var e=this.hls;e&&(e.on(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.on(b.AUDIO_TRACK_UPDATED,this.onAudioTrackUpdated,this),e.on(b.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.on(b.SUBTITLE_TRACK_UPDATED,this.onSubtitleTrackUpdated,this),e.on(b.EVENT_CUE_ENTER,this.onInterstitialCueEnter,this),e.on(b.ASSET_LIST_LOADED,this.onAssetListLoaded,this),e.on(b.BUFFER_APPENDED,this.onBufferAppended,this),e.on(b.BUFFER_FLUSHED,this.onBufferFlushed,this),e.on(b.BUFFERED_TO_END,this.onBufferedToEnd,this),e.on(b.MEDIA_ENDED,this.onMediaEnded,this),e.on(b.ERROR,this.onError,this),e.on(b.DESTROYING,this.onDestroying,this))},r.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),e.off(b.AUDIO_TRACK_UPDATED,this.onAudioTrackUpdated,this),e.off(b.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),e.off(b.SUBTITLE_TRACK_UPDATED,this.onSubtitleTrackUpdated,this),e.off(b.EVENT_CUE_ENTER,this.onInterstitialCueEnter,this),e.off(b.ASSET_LIST_LOADED,this.onAssetListLoaded,this),e.off(b.BUFFER_CODECS,this.onBufferCodecs,this),e.off(b.BUFFER_APPENDED,this.onBufferAppended,this),e.off(b.BUFFER_FLUSHED,this.onBufferFlushed,this),e.off(b.BUFFERED_TO_END,this.onBufferedToEnd,this),e.off(b.MEDIA_ENDED,this.onMediaEnded,this),e.off(b.ERROR,this.onError,this),e.off(b.DESTROYING,this.onDestroying,this))},r.startLoad=function(){this.resumeBuffering()},r.stopLoad=function(){this.pauseBuffering()},r.resumeBuffering=function(){var e;null==(e=this.getBufferingPlayer())||e.resumeBuffering()},r.pauseBuffering=function(){var e;null==(e=this.getBufferingPlayer())||e.pauseBuffering()},r.destroy=function(){this.unregisterListeners(),this.stopLoad(),this.assetListLoader&&this.assetListLoader.destroy(),this.emptyPlayerQueue(),this.clearScheduleState(),this.schedule&&this.schedule.destroy(),this.media=this.detachedData=this.mediaSelection=this.requiredTracks=this.altSelection=this.schedule=this.manager=null,this.hls=this.HlsPlayerClass=this.log=null,this.assetListLoader=null,this.onPlay=this.onPause=this.onSeeking=this.onTimeupdate=null,this.onScheduleUpdate=null},r.onDestroying=function(){var e=this.primaryMedia||this.media;e&&this.removeMediaListeners(e)},r.removeMediaListeners=function(e){bi(e,"play",this.onPlay),bi(e,"pause",this.onPause),bi(e,"seeking",this.onSeeking),bi(e,"timeupdate",this.onTimeupdate)},r.onMediaAttaching=function(e,t){var r=this.media=t.media;ki(r,"seeking",this.onSeeking),ki(r,"timeupdate",this.onTimeupdate),ki(r,"play",this.onPlay),ki(r,"pause",this.onPause)},r.onMediaAttached=function(e,t){var r=this.effectivePlayingItem,i=this.detachedData;if(this.detachedData=null,null===r)this.checkStart();else if(!i){this.clearScheduleState();var n=this.findItemIndex(r);this.setSchedulePosition(n)}},r.clearScheduleState=function(){this.log("clear schedule state"),this.playingItem=this.bufferingItem=this.waitingItem=this.endedItem=this.playingAsset=this.endedAsset=this.bufferingAsset=null},r.onMediaDetaching=function(e,t){var r=!!t.transferMedia,i=this.media;if(this.media=null,!r&&(i&&this.removeMediaListeners(i),this.detachedData)){var n=this.getBufferingPlayer();n&&(this.log("Removing schedule state for detachedData and "+n),this.playingAsset=this.endedAsset=this.bufferingAsset=this.bufferingItem=this.waitingItem=this.detachedData=null,n.detachMedia()),this.shouldPlay=!1}},r.isInterstitial=function(e){return!(null==e||!e.event)},r.retreiveMediaSource=function(e,t){var r=this.getAssetPlayer(e);r&&this.transferMediaFromPlayer(r,t)},r.transferMediaFromPlayer=function(e,t){var r=e.interstitial.appendInPlace,i=e.media;if(r&&i===this.primaryMedia){if(this.bufferingAsset=null,(!t||this.isInterstitial(t)&&!t.event.appendInPlace)&&t&&i)return void(this.detachedData={media:i});var n=e.transferMedia();this.log("transfer MediaSource from "+e+" "+ut(n)),this.detachedData=n}else t&&i&&(this.shouldPlay||(this.shouldPlay=!i.paused))},r.transferMediaTo=function(e,t){var r,i,n=this;if(e.media!==t){var a,s=null,o=this.hls,l=e!==o,u=l&&e.interstitial.appendInPlace,d=null==(r=this.detachedData)?void 0:r.mediaSource;if(o.media)u&&(s=o.transferMedia(),this.detachedData=s),a="Primary";else if(d){var h=this.getBufferingPlayer();h?(s=h.transferMedia(),a=""+h):a="detached MediaSource"}else a="detached media";if(!s)if(d)s=this.detachedData,this.log("using detachedData: MediaSource "+ut(s));else if(!this.detachedData||o.media===t){var f=this.playerQueue;f.length>1&&f.forEach((function(e){if(l&&e.interstitial.appendInPlace!==u){var t=e.interstitial;n.clearInterstitial(e.interstitial,null),t.appendInPlace=!1,t.appendInPlace&&n.warn("Could not change append strategy for queued assets "+t)}})),this.hls.detachMedia(),this.detachedData={media:t}}var c=s&&"mediaSource"in s&&"closed"!==(null==(i=s.mediaSource)?void 0:i.readyState),g=c&&s?s:t;this.log((c?"transfering MediaSource":"attaching media")+" to "+(l?e:"Primary")+" from "+a+" (media.currentTime: "+t.currentTime+")");var v=this.schedule;if(g===s&&v){var m=l&&e.assetId===v.assetIdAtEnd;g.overrides={duration:v.duration,endOfStream:!l||m,cueRemoval:!l}}e.attachMedia(g)}},r.onInterstitialCueEnter=function(){this.onTimeupdate()},r.checkStart=function(){var e=this.schedule,t=null==e?void 0:e.events;if(t&&!this.playbackDisabled&&this.media){-1===this.bufferedPos&&(this.bufferedPos=0);var r=this.timelinePos,i=this.effectivePlayingItem;if(-1===r){var n=this.hls.startPosition;if(this.log(no("checkStart",n)),this.timelinePos=n,t.length&&t[0].cue.pre){var a=e.findEventIndex(t[0].identifier);this.setSchedulePosition(a)}else if(n>=0||!this.primaryLive){var s=this.timelinePos=n>0?n:0,o=e.findItemIndexAtTime(s);this.setSchedulePosition(o)}}else if(i&&!this.playingItem){var l=e.findItemIndex(i);this.setSchedulePosition(l)}}},r.advanceAssetBuffering=function(e,t){var r=e.event,i=r.findAssetIndex(t),n=$s(r,i);if(r.isAssetPastPlayoutLimit(n)){if(this.schedule){var a,s=null==(a=this.schedule.items)?void 0:a[this.findItemIndex(e)+1];s&&this.bufferedToItem(s)}}else this.bufferedToEvent(e,n)},r.advanceAfterAssetEnded=function(e,t,r){var i=$s(e,r);if(e.isAssetPastPlayoutLimit(i)){if(this.schedule){var n=this.schedule.items;if(n){var a=t+1;if(a>=n.length)return void this.setSchedulePosition(-1);var s=e.resumeTime;this.timelinePos=0?i[e]:null;this.log("setSchedulePosition "+e+", "+t+" ("+(n?to(n):n)+") pos: "+this.timelinePos);var a=this.waitingItem||this.playingItem,s=this.playingLastItem;if(this.isInterstitial(a)){var o=a.event,l=this.playingAsset,u=null==l?void 0:l.identifier,d=u?this.getAssetPlayer(u):null;if(d&&u&&(!this.eventItemsMatch(a,n)||void 0!==t&&u!==o.assetList[t].identifier)){var h,f=o.findAssetIndex(l);if(this.log("INTERSTITIAL_ASSET_ENDED "+(f+1)+"/"+o.assetList.length+" "+Zs(l)),this.endedAsset=l,this.playingAsset=null,this.hls.trigger(b.INTERSTITIAL_ASSET_ENDED,{asset:l,assetListIndex:f,event:o,schedule:i.slice(0),scheduleIndex:e,player:d}),a!==this.playingItem)return void(this.itemsMatch(a,this.playingItem)&&!this.playingAsset&&this.advanceAfterAssetEnded(o,this.findItemIndex(this.playingItem),f));this.retreiveMediaSource(u,n),!d.media||null!=(h=this.detachedData)&&h.mediaSource||d.detachMedia()}if(!this.eventItemsMatch(a,n)&&(this.endedItem=a,this.playingItem=null,this.log("INTERSTITIAL_ENDED "+o+" "+to(a)),o.hasPlayed=!0,this.hls.trigger(b.INTERSTITIAL_ENDED,{event:o,schedule:i.slice(0),scheduleIndex:e}),o.cue.once)){var c;this.updateSchedule();var g=null==(c=this.schedule)?void 0:c.items;if(n&&g){var v=this.findItemIndex(n);this.advanceSchedule(v,g,t,a,s)}return}}this.advanceSchedule(e,i,t,a,s)}},r.advanceSchedule=function(e,t,r,i,n){var a=this,s=this.schedule;if(s){var o=t[e]||null,l=this.primaryMedia,u=this.playerQueue;if(u.length&&u.forEach((function(t){var r=t.interstitial,i=s.findEventIndex(r.identifier);(ie+1)&&a.clearInterstitial(r,o)})),this.isInterstitial(o)){this.timelinePos=Math.min(Math.max(this.timelinePos,o.start),o.end);var d=o.event;if(void 0===r){var h=$s(d,(r=s.findAssetIndex(d,this.timelinePos))-1);if(d.isAssetPastPlayoutLimit(h)||d.appendInPlace&&this.timelinePos===o.end)return void this.advanceAfterAssetEnded(d,e,r);r=h}var f=this.waitingItem;this.assetsBuffered(o,l)||this.setBufferingItem(o);var c=this.preloadAssets(d,r);if(this.eventItemsMatch(o,f||i)||(this.waitingItem=o,this.log("INTERSTITIAL_STARTED "+to(o)+" "+(d.appendInPlace?"append in place":"")),this.hls.trigger(b.INTERSTITIAL_STARTED,{event:d,schedule:t.slice(0),scheduleIndex:e})),!d.assetListLoaded)return void this.log("Waiting for ASSET-LIST to complete loading "+d);if(d.assetListLoader&&(d.assetListLoader.destroy(),d.assetListLoader=void 0),!l)return void this.log("Waiting for attachMedia to start Interstitial "+d);this.waitingItem=this.endedItem=null,this.playingItem=o;var g=d.assetList[r];if(!g)return void this.advanceAfterAssetEnded(d,e,r||0);if(c||(c=this.getAssetPlayer(g.identifier)),null===c||c.destroyed){var v=d.assetList.length;this.warn("asset "+(r+1)+"/"+v+" player destroyed "+d),(c=this.createAssetPlayer(d,g,r)).loadSource()}if(!this.eventItemsMatch(o,this.bufferingItem)&&d.appendInPlace&&this.isAssetBuffered(g))return;this.startAssetPlayer(c,r,t,e,l),this.shouldPlay&&io(c.media)}else o?(this.resumePrimary(o,e,i),this.shouldPlay&&io(this.hls.media)):n&&this.isInterstitial(i)&&(this.endedItem=null,this.playingItem=i,i.event.appendInPlace||this.attachPrimary(s.durations.primary,null))}},r.resumePrimary=function(e,t,r){var i,n;if(this.playingItem=e,this.playingAsset=this.endedAsset=null,this.waitingItem=this.endedItem=null,this.bufferedToItem(e),this.log("resuming "+to(e)),null==(i=this.detachedData)||!i.mediaSource){var a=this.timelinePos;(a=e.end)&&(a=this.getPrimaryResumption(e,t),this.log(no("resumePrimary",a)),this.timelinePos=a),this.attachPrimary(a,e)}if(r){var s=null==(n=this.schedule)?void 0:n.items;s&&(this.log("INTERSTITIALS_PRIMARY_RESUMED "+to(e)),this.hls.trigger(b.INTERSTITIALS_PRIMARY_RESUMED,{schedule:s.slice(0),scheduleIndex:t}),this.checkBuffer())}},r.getPrimaryResumption=function(e,t){var r=e.start;if(this.primaryLive){var i=this.primaryDetails;if(0===t)return this.hls.startPosition;if(i&&(ri.edge))return this.hls.liveSyncPosition||-1}return r},r.isAssetBuffered=function(e){var t=this.getAssetPlayer(e.identifier);return null!=t&&t.hls?t.hls.bufferedToEnd:dr.bufferInfo(this.primaryMedia,this.timelinePos,0).end+1>=e.timelineStart+(e.duration||0)},r.attachPrimary=function(e,t,r){t?this.setBufferingItem(t):this.bufferingItem=this.playingItem,this.bufferingAsset=null;var i=this.primaryMedia;if(i){var n=this.hls;n.media?this.checkBuffer():(this.transferMediaTo(n,i),r&&this.startLoadingPrimaryAt(e,r)),r||(this.log(no("attachPrimary",e)),this.timelinePos=e,this.startLoadingPrimaryAt(e,r))}},r.startLoadingPrimaryAt=function(e,t){var r,i=this.hls;!i.loadingEnabled||!i.media||Math.abs(((null==(r=i.mainForwardBufferInfo)?void 0:r.start)||i.media.currentTime)-e)>.5?i.startLoad(e,t):i.bufferingEnabled||i.resumeBuffering()},r.onManifestLoading=function(){var e;this.stopLoad(),null==(e=this.schedule)||e.reset(),this.emptyPlayerQueue(),this.clearScheduleState(),this.shouldPlay=!1,this.bufferedPos=this.timelinePos=-1,this.mediaSelection=this.altSelection=this.manager=this.requiredTracks=null,this.hls.off(b.BUFFER_CODECS,this.onBufferCodecs,this),this.hls.on(b.BUFFER_CODECS,this.onBufferCodecs,this)},r.onLevelUpdated=function(e,t){if(-1!==t.level&&this.schedule){var r=this.hls.levels[t.level];if(r.details){var i=d(d({},this.mediaSelection||this.altSelection),{},{main:r});this.mediaSelection=i,this.schedule.parseInterstitialDateRanges(i,this.hls.config.interstitialAppendInPlace),!this.effectivePlayingItem&&this.schedule.items&&this.checkStart()}}},r.onAudioTrackUpdated=function(e,t){var r=this.hls.audioTracks[t.id],i=this.mediaSelection;if(i){var n=d(d({},i),{},{audio:r});this.mediaSelection=n}else this.altSelection=d(d({},this.altSelection),{},{audio:r})},r.onSubtitleTrackUpdated=function(e,t){var r=this.hls.subtitleTracks[t.id],i=this.mediaSelection;if(i){var n=d(d({},i),{},{subtitles:r});this.mediaSelection=n}else this.altSelection=d(d({},this.altSelection),{},{subtitles:r})},r.onAudioTrackSwitching=function(e,t){var r=ft(t);this.playerQueue.forEach((function(e){var i=e.hls;return i&&(i.setAudioOption(t)||i.setAudioOption(r))}))},r.onSubtitleTrackSwitch=function(e,t){var r=ft(t);this.playerQueue.forEach((function(e){var i=e.hls;return i&&(i.setSubtitleOption(t)||-1!==t.id&&i.setSubtitleOption(r))}))},r.onBufferCodecs=function(e,t){var r=t.tracks;r&&(this.requiredTracks=r)},r.onBufferAppended=function(e,t){this.checkBuffer()},r.onBufferFlushed=function(e,t){var r=this.playingItem;if(r&&!this.itemsMatch(r,this.bufferingItem)&&!this.isInterstitial(r)){var i=this.timelinePos;this.bufferedPos=i,this.checkBuffer()}},r.onBufferedToEnd=function(e){if(this.schedule){var t=this.schedule.events;if(this.bufferedPos.25){e.event.assetList.forEach((function(t,i){e.event.isAssetPastPlayoutLimit(i)&&r.clearAssetPlayer(t.identifier,null)}));var i=e.end+.25,n=dr.bufferInfo(this.primaryMedia,i,0);(n.end>i||(n.nextStart||0)>i)&&(this.log("trim buffered interstitial "+to(e)+" (was "+to(t)+")"),this.attachPrimary(i,null,!0),this.flushFrontBuffer(i))}},r.itemsMatch=function(e,t){return!!t&&(e===t||e.event&&t.event&&this.eventItemsMatch(e,t)||!e.event&&!t.event&&this.findItemIndex(e)===this.findItemIndex(t))},r.eventItemsMatch=function(e,t){var r;return!!t&&(e===t||e.event.identifier===(null==(r=t.event)?void 0:r.identifier))},r.findItemIndex=function(e,t){return e&&this.schedule?this.schedule.findItemIndex(e,t):-1},r.updateSchedule=function(e){var t;void 0===e&&(e=!1);var r=this.mediaSelection;r&&(null==(t=this.schedule)||t.updateSchedule(r,[],e))},r.checkBuffer=function(e){var t,r=null==(t=this.schedule)?void 0:t.items;if(r){var i=dr.bufferInfo(this.primaryMedia,this.timelinePos,0);e&&(this.bufferedPos=this.timelinePos),e||(e=i.len<1),this.updateBufferedPos(i.end,r,e)}},r.updateBufferedPos=function(e,t,r){var i=this.schedule,n=this.bufferingItem;if(!(this.bufferedPos>e)&&i)if(1===t.length&&this.itemsMatch(t[0],n))this.bufferedPos=e;else{var a=this.playingItem,s=this.findItemIndex(a),o=i.findItemIndexAtTime(e);if(this.bufferedPos=n.end||null!=(l=h.event)&&l.appendInPlace&&e+.01>=h.start)&&(o=d),this.isInterstitial(n)){var f=n.event;if(d-s>1&&!1===f.appendInPlace)return;if(0===f.assetList.length&&f.assetListLoader)return}if(this.bufferedPos=e,o>u&&o>s)this.bufferedToItem(h);else{var c=this.primaryDetails;this.primaryLive&&c&&e>c.edge-c.targetduration&&h.start0&&(s=Math.round(1e3*h)/1e3)}if(this.log("Load interstitial asset "+(t+1)+"/"+(r?1:i)+" "+e+(s?" live-start: "+d+" start-offset: "+s:"")),r)return this.createAsset(e,0,0,o,e.duration,r);var f=this.assetListLoader.loadAssetList(e,s);f&&(e.assetListLoader=f)}else if(!a&&i){for(var c=t;c1){var g=t.duration;g&&cd)&&(E=!1,i.log('Interstitial asset "'+v+'" duration change '+d+" > "+u),t.duration=u,i.updateSchedule())}};y.on(b.LEVEL_UPDATED,(function(e,t){var r=t.details;return T(r)})),y.on(b.LEVEL_PTS_UPDATED,(function(e,t){var r=t.details;return T(r)})),y.on(b.EVENT_CUE_ENTER,(function(){return i.onInterstitialCueEnter()}));var S=function(e,t){var r=i.getAssetPlayer(v);if(r&&t.tracks){r.off(b.BUFFER_CODECS,S),r.tracks=t.tracks;var n=i.primaryMedia;i.bufferingAsset===r.assetItem&&n&&!r.media&&i.bufferAssetPlayer(r,n)}};y.on(b.BUFFER_CODECS,S),y.on(b.BUFFERED_TO_END,(function(){var r,n=i.getAssetPlayer(v);if(i.log("buffered to end of asset "+n),n&&i.schedule){var a=i.schedule.findEventIndex(e.identifier),s=null==(r=i.schedule.items)?void 0:r[a];i.isInterstitial(s)&&i.advanceAssetBuffering(s,t)}}));var A=function(t){return function(){if(i.getAssetPlayer(v)&&i.schedule){i.shouldPlay=!0;var r=i.schedule.findEventIndex(e.identifier);i.advanceAfterAssetEnded(e,r,t)}}};return y.once(b.MEDIA_ENDED,A(r)),y.once(b.PLAYOUT_LIMIT_REACHED,A(1/0)),y.on(b.ERROR,(function(t,n){if(i.schedule){var a=i.getAssetPlayer(v);if(n.details===k.BUFFER_STALLED_ERROR)return null!=a&&a.appendInPlace?void i.handleInPlaceStall(e):(i.onTimeupdate(),void i.checkBuffer(!0));i.handleAssetItemError(n,e,i.schedule.findEventIndex(e.identifier),r,"Asset player error "+n.error+" "+e)}})),y.on(b.DESTROYING,(function(){if(i.getAssetPlayer(v)&&i.schedule){var t=new Error("Asset player destroyed unexpectedly "+v),n={fatal:!0,type:R.OTHER_ERROR,details:k.INTERSTITIAL_ASSET_ITEM_ERROR,error:t};i.handleAssetItemError(n,e,i.schedule.findEventIndex(e.identifier),r,t.message)}})),this.log("INTERSTITIAL_ASSET_PLAYER_CREATED "+Zs(t)),this.hls.trigger(b.INTERSTITIAL_ASSET_PLAYER_CREATED,{asset:t,assetListIndex:r,event:e,player:y}),y},r.clearInterstitial=function(e,t){this.clearAssetPlayers(e,t),e.reset()},r.clearAssetPlayers=function(e,t){var r=this;e.assetList.forEach((function(e){r.clearAssetPlayer(e.identifier,t)}))},r.resetAssetPlayer=function(e){var t=this.getAssetPlayerQueueIndex(e);if(-1!==t){this.log('reset asset player "'+e+'" after error');var r=this.playerQueue[t];this.transferMediaFromPlayer(r,null),r.resetDetails()}},r.clearAssetPlayer=function(e,t){var r=this.getAssetPlayerQueueIndex(e);if(-1!==r){var i=this.playerQueue[r];this.log("clear "+i+" toSegment: "+(t?to(t):t)),this.transferMediaFromPlayer(i,t),this.playerQueue.splice(r,1),i.destroy()}},r.emptyPlayerQueue=function(){for(var e;e=this.playerQueue.pop();)e.destroy();this.playerQueue=[]},r.startAssetPlayer=function(e,t,r,i,n){var a=e.interstitial,s=e.assetItem,o=e.assetId,l=a.assetList.length,u=this.playingAsset;this.endedAsset=null,this.playingAsset=s,u&&u.identifier===o||(u&&(this.clearAssetPlayer(u.identifier,r[i]),delete u.error),this.log("INTERSTITIAL_ASSET_STARTED "+(t+1)+"/"+l+" "+Zs(s)),this.hls.trigger(b.INTERSTITIAL_ASSET_STARTED,{asset:s,assetListIndex:t,event:a,schedule:r.slice(0),scheduleIndex:i,player:e})),this.bufferAssetPlayer(e,n)},r.bufferAssetPlayer=function(e,t){var r,i;if(this.schedule){var n=e.interstitial,a=e.assetItem,s=this.schedule.findEventIndex(n.identifier),o=null==(r=this.schedule.items)?void 0:r[s];if(o){e.loadSource(),this.setBufferingItem(o),this.bufferingAsset=a;var l=this.getBufferingPlayer();if(l!==e){var u=n.appendInPlace;if(!u||!1!==(null==l?void 0:l.interstitial.appendInPlace)){var d=(null==l?void 0:l.tracks)||(null==(i=this.detachedData)?void 0:i.tracks)||this.requiredTracks;if(u&&a!==this.playingAsset){if(!e.tracks)return void this.log("Waiting for track info before buffering "+e);if(d&&!j(d,e.tracks)){var h=new Error("Asset "+Zs(a)+" SourceBuffer tracks ('"+Object.keys(e.tracks)+"') are not compatible with primary content tracks ('"+Object.keys(d)+"')"),f={fatal:!0,type:R.OTHER_ERROR,details:k.INTERSTITIAL_ASSET_ITEM_ERROR,error:h},c=n.findAssetIndex(a);return void this.handleAssetItemError(f,n,s,c,h.message)}}this.transferMediaTo(e,t)}}}}},r.handleInPlaceStall=function(e){var t=this.schedule,r=this.primaryMedia;if(t&&r){var i=r.currentTime,n=t.findAssetIndex(e,i),a=e.assetList[n];if(a){var s=this.getAssetPlayer(a.identifier);if(s){var o=s.currentTime||i-a.timelineStart,l=s.duration-o;if(this.warn("Stalled at "+o+" of "+(o+l)+" in "+s+" "+e+" (media.currentTime: "+i+")"),o&&(l/r.playbackRate<.5||s.bufferedInPlaceToEnd(r))&&s.hls){var u=t.findEventIndex(e.identifier);this.advanceAfterAssetEnded(e,u,n)}}}}},r.advanceInPlace=function(e){var t=this.primaryMedia;t&&t.currentTimem.end&&this.schedule.findItemIndexAtTime(this.timelinePos)!==v)return a.error=new Error("Interstitial "+(o.length?"no longer within playback range":"asset-list is empty")+" "+this.timelinePos+" "+a),this.log(a.error.message),this.updateSchedule(!0),void this.primaryFallback(a);this.setBufferingItem(m)}this.setSchedulePosition(v)}else if((null==c?void 0:c.identifier)===s){var p=a.assetList[0];if(p){var y=this.getAssetPlayer(p.identifier);if(c.appendInPlace){var E=this.primaryMedia;y&&E&&this.bufferAssetPlayer(y,E)}else y&&y.loadSource()}}}},r.onError=function(e,t){if(this.schedule)switch(t.details){case k.ASSET_LIST_PARSING_ERROR:case k.ASSET_LIST_LOAD_ERROR:case k.ASSET_LIST_LOAD_TIMEOUT:var r=t.interstitial;r&&(this.updateSchedule(!0),this.primaryFallback(r));break;case k.BUFFER_STALLED_ERROR:var i=this.endedItem||this.waitingItem||this.playingItem;if(this.isInterstitial(i)&&i.event.appendInPlace)return void this.handleInPlaceStall(i.event);this.log("Primary player stall @"+this.timelinePos+" bufferedPos: "+this.bufferedPos),this.onTimeupdate(),this.checkBuffer(!0)}},i(t,[{key:"interstitialsManager",get:function(){if(!this.hls)return null;if(this.manager)return this.manager;var e=this,t=function(){return e.bufferingItem||e.waitingItem},r=function(t){return t?e.getAssetPlayer(t.identifier):t},i=function(t,i,a,s,o){if(t){var l=t[i].start,u=t.event;if(u){if("playout"===i||u.timelineOccupancy!==js.Point){var d=r(a);(null==d?void 0:d.interstitial)===u&&(l+=d.assetItem.startOffset+d[o])}}else l+=("bufferedPos"===s?n():e[s])-t.start;return l}return 0},n=function(){var t=e.bufferedPos;return t===Number.MAX_VALUE?a("primary"):Math.max(t,0)},a=function(t){var r,i;return null!=(r=e.primaryDetails)&&r.live?e.primaryDetails.edge:(null==(i=e.schedule)?void 0:i.durations[t])||0},s=function(t,n){var a,s,o=e.effectivePlayingItem;if((null==o||null==(a=o.event)||!a.restrictions.skip)&&e.schedule){e.log("seek to "+t+' "'+n+'"');var l=e.effectivePlayingItem,u=e.schedule.findItemIndexAtTime(t,n),d=null==(s=e.schedule.items)?void 0:s[u],h=e.getBufferingPlayer(),f=null==h?void 0:h.interstitial,c=null==f?void 0:f.appendInPlace,g=l&&e.itemsMatch(l,d);if(l&&(c||g)){var v=r(e.playingAsset),m=(null==v?void 0:v.media)||e.primaryMedia;if(m){var p="primary"===n?m.currentTime:i(l,n,e.playingAsset,"timelinePos","currentTime"),y=t-p,E=(c?p:m.currentTime)+y;if(E>=0&&(!v||c||E<=v.duration))return void(m.currentTime=E)}}if(d){var T=t;if("primary"!==n){var S=t-d[n].start;T=d.start+S}var A=!e.isInterstitial(d);if(e.isInterstitial(l)&&!l.event.appendInPlace||!A&&!d.event.appendInPlace){if(l){var L=e.findItemIndex(l);if(u>L){var I=e.schedule.findJumpRestrictedIndex(L+1,u);if(I>L)return void e.setSchedulePosition(I)}var R=0;if(A)e.timelinePos=T,e.checkBuffer();else for(var k=d.event.assetList,b=t-(d[n]||d).start,D=k.length;D--;){var _=k[D];if(_.duration&&b>=_.startOffset&&b<_.startOffset+_.duration){R=D;break}}e.setSchedulePosition(u,R)}}else{var P=e.media||(c?null==h?void 0:h.media:null);P&&(P.currentTime=T)}}}},o=function(){var r=e.effectivePlayingItem;if(e.isInterstitial(r))return r;var i=t();return e.isInterstitial(i)?i:null},l={get bufferedEnd(){var r,n=t(),a=e.bufferingItem;return a&&a===n&&(i(a,"playout",e.bufferingAsset,"bufferedPos","bufferedEnd")-a.playout.start||(null==(r=e.bufferingAsset)?void 0:r.startOffset))||0},get currentTime(){var t=o(),r=e.effectivePlayingItem;return r&&r===t?i(r,"playout",e.effectivePlayingAsset,"timelinePos","currentTime")-r.playout.start:0},set currentTime(t){var r=o(),i=e.effectivePlayingItem;i&&i===r&&s(t+i.playout.start,"playout")},get duration(){var e=o();return e?e.playout.end-e.playout.start:0},get assetPlayers(){var t,r=null==(t=o())?void 0:t.event.assetList;return r?r.map((function(t){return e.getAssetPlayer(t.identifier)})):[]},get playingIndex(){var t,r=null==(t=o())?void 0:t.event;return r&&e.effectivePlayingAsset?r.findAssetIndex(e.effectivePlayingAsset):-1},get scheduleItem(){return o()}};return this.manager={get events(){var t;return(null==(t=e.schedule)||null==(t=t.events)?void 0:t.slice(0))||[]},get schedule(){var t;return(null==(t=e.schedule)||null==(t=t.items)?void 0:t.slice(0))||[]},get interstitialPlayer(){return o()?l:null},get playerQueue(){return e.playerQueue.slice(0)},get bufferingAsset(){return e.bufferingAsset},get bufferingItem(){return t()},get bufferingIndex(){var r=t();return e.findItemIndex(r)},get playingAsset(){return e.effectivePlayingAsset},get playingItem(){return e.effectivePlayingItem},get playingIndex(){var t=e.effectivePlayingItem;return e.findItemIndex(t)},primary:{get bufferedEnd(){return n()},get currentTime(){var t=e.timelinePos;return t>0?t:0},set currentTime(e){s(e,"primary")},get duration(){return a("primary")},get seekableStart(){var t;return(null==(t=e.primaryDetails)?void 0:t.fragmentStart)||0}},integrated:{get bufferedEnd(){return i(t(),"integrated",e.bufferingAsset,"bufferedPos","bufferedEnd")},get currentTime(){return i(e.effectivePlayingItem,"integrated",e.effectivePlayingAsset,"timelinePos","currentTime")},set currentTime(e){s(e,"integrated")},get duration(){return a("integrated")},get seekableStart(){var t;return function(t,r){var i;if(0!==t&&"primary"!==r&&null!=(i=e.schedule)&&i.length){var n,a=e.schedule.findItemIndexAtTime(t),s=null==(n=e.schedule.items)?void 0:n[a];if(s)return t+(s[r].start-s.start)}return t}((null==(t=e.primaryDetails)?void 0:t.fragmentStart)||0,"integrated")}},skip:function(){var t=e.effectivePlayingItem,r=null==t?void 0:t.event;if(r&&!r.restrictions.skip){var i=e.findItemIndex(t);if(r.appendInPlace){var n=t.playout.start+t.event.duration;s(n+.001,"playout")}else e.advanceAfterAssetEnded(r,i,1/0)}}}}},{key:"effectivePlayingItem",get:function(){return this.waitingItem||this.playingItem||this.endedItem}},{key:"effectivePlayingAsset",get:function(){return this.playingAsset||this.endedAsset}},{key:"playingLastItem",get:function(){var e,t=this.playingItem,r=null==(e=this.schedule)?void 0:e.items;return!!(this.playbackStarted&&t&&r)&&this.findItemIndex(t)===r.length-1}},{key:"playbackStarted",get:function(){return null!==this.effectivePlayingItem}},{key:"currentTime",get:function(){var e,t;if(null!==this.mediaSelection){var r=this.waitingItem||this.playingItem;if(!this.isInterstitial(r)||r.event.appendInPlace){var i=this.media;!i&&null!=(e=this.bufferingItem)&&null!=(e=e.event)&&e.appendInPlace&&(i=this.primaryMedia);var n=null==(t=i)?void 0:t.currentTime;if(void 0!==n&&A(n))return n}}}},{key:"primaryMedia",get:function(){var e;return this.media||(null==(e=this.detachedData)?void 0:e.media)||null}},{key:"playbackDisabled",get:function(){return!1===this.hls.config.enableInterstitialPlayback}},{key:"primaryDetails",get:function(){var e;return null==(e=this.mediaSelection)?void 0:e.main.details}},{key:"primaryLive",get:function(){var e;return!(null==(e=this.primaryDetails)||!e.live)}}])}(N),so=function(e){function t(t,r,i){var n;return(n=e.call(this,t,r,i,"subtitle-stream-controller",x)||this).currentTrackId=-1,n.tracksBuffered=[],n.mainDetails=null,n.registerListeners(),n}o(t,e);var r=t.prototype;return r.onHandlerDestroying=function(){this.unregisterListeners(),e.prototype.onHandlerDestroying.call(this),this.mainDetails=null},r.registerListeners=function(){e.prototype.registerListeners.call(this);var t=this.hls;t.on(b.LEVEL_LOADED,this.onLevelLoaded,this),t.on(b.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.on(b.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.on(b.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.on(b.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.on(b.BUFFER_FLUSHING,this.onBufferFlushing,this)},r.unregisterListeners=function(){e.prototype.unregisterListeners.call(this);var t=this.hls;t.off(b.LEVEL_LOADED,this.onLevelLoaded,this),t.off(b.SUBTITLE_TRACKS_UPDATED,this.onSubtitleTracksUpdated,this),t.off(b.SUBTITLE_TRACK_SWITCH,this.onSubtitleTrackSwitch,this),t.off(b.SUBTITLE_TRACK_LOADED,this.onSubtitleTrackLoaded,this),t.off(b.SUBTITLE_FRAG_PROCESSED,this.onSubtitleFragProcessed,this),t.off(b.BUFFER_FLUSHING,this.onBufferFlushing,this)},r.startLoad=function(e,t){this.stopLoad(),this.state=_i.IDLE,this.setInterval(500),this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()},r.onManifestLoading=function(){e.prototype.onManifestLoading.call(this),this.mainDetails=null},r.onMediaDetaching=function(t,r){this.tracksBuffered=[],e.prototype.onMediaDetaching.call(this,t,r)},r.onLevelLoaded=function(e,t){this.mainDetails=t.details},r.onSubtitleFragProcessed=function(e,t){var r=t.frag,i=t.success;if(this.fragContextChanged(r)||(te(r)&&(this.fragPrevious=r),this.state=_i.IDLE),i){var n=this.tracksBuffered[this.currentTrackId];if(n){for(var a,s=r.start,o=0;o=n[o].start&&s<=n[o].end){a=n[o];break}var l=r.start+r.duration;a?a.end=l:(a={start:s,end:l},n.push(a)),this.fragmentTracker.fragBuffered(r),this.fragBufferedComplete(r,null),this.media&&this.tick()}}},r.onBufferFlushing=function(e,t){var r=t.startOffset,i=t.endOffset;if(0===r&&i!==Number.POSITIVE_INFINITY){var n=i-1;if(n<=0)return;t.endOffsetSubtitles=Math.max(0,n),this.tracksBuffered.forEach((function(e){for(var t=0;t=n.length)&&o){this.log("Subtitle track "+s+" loaded ["+a.startSN+","+a.endSN+"]"+(a.lastPartSn?"[part-"+a.lastPartSn+"-"+a.lastPartIndex+"]":"")+",duration:"+a.totalduration),this.mediaBuffer=this.mediaBufferTimeRanges;var l=0;if(a.live||null!=(r=o.details)&&r.live){if(a.deltaUpdateFailed)return;var u=this.mainDetails;if(!u)return void(this.startFragRequested=!1);var d,h=u.fragments[0];o.details?0===(l=this.alignPlaylists(a,o.details,null==(d=this.levelLastLoaded)?void 0:d.details))&&h&&ci(a,l=h.start):a.hasProgramDateTime&&u.hasProgramDateTime?(Ri(a,u),l=a.fragmentStart):h&&ci(a,l=h.start),u&&!this.startFragRequested&&this.setStartPosition(u,l)}o.details=a,this.levelLastLoaded=o,s===i&&(this.hls.trigger(b.SUBTITLE_TRACK_UPDATED,{details:a,id:s,groupId:t.groupId}),this.tick(),a.live&&!this.fragCurrent&&this.media&&this.state===_i.IDLE&&(Tt(null,a.fragments,this.media.currentTime,0)||(this.warn("Subtitle playlist not aligned with playback"),o.details=void 0)))}}else this.warn("Subtitle tracks were reset while loading level "+s)},r._handleFragmentLoadComplete=function(e){var t=this,r=e.frag,i=e.payload,n=r.decryptdata,a=this.hls;if(!this.fragContextChanged(r)&&i&&i.byteLength>0&&null!=n&&n.key&&n.iv&&Ir(n.method)){var s=performance.now();this.decrypter.decrypt(new Uint8Array(i),n.key.buffer,n.iv.buffer,Rr(n.method)).catch((function(e){throw a.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.FRAG_DECRYPT_ERROR,fatal:!1,error:e,reason:e.message,frag:r}),e})).then((function(e){var t=performance.now();a.trigger(b.FRAG_DECRYPTED,{frag:r,payload:e,stats:{tstart:s,tdecrypt:t}})})).catch((function(e){t.warn(e.name+": "+e.message),t.state=_i.IDLE}))}},r.doTick=function(){if(this.media){if(this.state===_i.IDLE){var e=this.currentTrackId,t=this.levels,r=null==t?void 0:t[e];if(!r||!t.length||!r.details)return;if(this.waitForLive(r))return;var i=this.config,n=this.getLoadPosition(),a=dr.bufferedInfo(this.tracksBuffered[this.currentTrackId]||[],n,i.maxBufferHole),s=a.end,o=a.len,l=r.details;if(o>this.hls.maxBufferLength+l.levelTargetDuration)return;var u=l.fragments,d=u.length,h=l.edge,f=null,c=this.fragPrevious;if(sh-g?0:g;!(f=Tt(c,u,Math.max(u[0].start,s),v))&&c&&c.start>>=0)>i-1)throw new DOMException("Failed to execute '"+t+"' on 'TimeRanges': The index provided ("+r+") is greater than the maximum bound ("+i+")");return e[r][t]};this.buffered={get length(){return e.length},end:function(r){return t("end",r,e.length)},start:function(r){return t("start",r,e.length)}}};function lo(e,t){var r;try{r=new Event("addtrack")}catch(e){(r=document.createEvent("Event")).initEvent("addtrack",!1,!1)}r.track=e,t.dispatchEvent(r)}function uo(e,t){var r=e.mode;if("disabled"===r&&(e.mode="hidden"),e.cues&&!e.cues.getCueById(t.id))try{if(e.addCue(t),!e.cues.getCueById(t.id))throw new Error("addCue is failed for: "+t)}catch(r){Y.debug("[texttrack-utils]: "+r);try{var i=new self.TextTrackCue(t.startTime,t.endTime,t.text);i.id=t.id,e.addCue(i)}catch(e){Y.debug("[texttrack-utils]: Legacy TextTrackCue fallback failed: "+e)}}"disabled"===r&&(e.mode=r)}function ho(e,t){var r=e.mode;if("disabled"===r&&(e.mode="hidden"),e.cues)for(var i=e.cues.length;i--;)t&&e.cues[i].removeEventListener("enter",t),e.removeCue(e.cues[i]);"disabled"===r&&(e.mode=r)}function fo(e,t,r,i){var n=e.mode;if("disabled"===n&&(e.mode="hidden"),e.cues&&e.cues.length>0)for(var a=function(e,t,r){var i=[],n=function(e,t){if(t<=e[0].startTime)return 0;var r=e.length-1;if(t>e[r].endTime)return-1;for(var i,n=0,a=r;n<=a;)if(te[i].startTime&&n-1)for(var a=n,s=e.length;a=t&&o.endTime<=r)i.push(o);else if(o.startTime>r)return i}return i}(e.cues,t,r),s=0;s-1&&(this.subtitleTrack=this.queuedDefaultTrack,this.queuedDefaultTrack=-1),this.useTextTrackPolling=!(this.media.textTracks&&"onchange"in this.media.textTracks),this.useTextTrackPolling?this.pollTrackChange(500):this.media.textTracks.addEventListener("change",this.asyncPollTrackChange))},r.pollTrackChange=function(e){self.clearInterval(this.subtitlePollingInterval),this.subtitlePollingInterval=self.setInterval(this.onTextTracksChanged,e)},r.onMediaDetaching=function(e,t){var r=this.media;if(r){var i=!!t.transferMedia;self.clearInterval(this.subtitlePollingInterval),this.useTextTrackPolling||r.textTracks.removeEventListener("change",this.asyncPollTrackChange),this.trackId>-1&&(this.queuedDefaultTrack=this.trackId),this.subtitleTrack=-1,this.media=null,i||co(r.textTracks).forEach((function(e){ho(e)}))}},r.onManifestLoading=function(){this.tracks=[],this.groupIds=null,this.tracksInGroup=[],this.trackId=-1,this.currentTrack=null,this.selectDefaultTrack=!0},r.onManifestParsed=function(e,t){this.tracks=t.subtitleTracks},r.onSubtitleTrackLoaded=function(e,t){var r=t.id,i=t.groupId,n=t.details,a=this.tracksInGroup[r];if(a&&a.groupId===i){var s=a.details;a.details=t.details,this.log("Subtitle track "+r+' "'+a.name+'" lang:'+a.lang+" group:"+i+" loaded ["+n.startSN+"-"+n.endSN+"]"),r===this.trackId&&this.playlistLoaded(r,t,s)}else this.warn("Subtitle track with id:"+r+" and group:"+i+" not found in active group "+(null==a?void 0:a.groupId))},r.onLevelLoading=function(e,t){this.switchLevel(t.level)},r.onLevelSwitching=function(e,t){this.switchLevel(t.level)},r.switchLevel=function(e){var t=this.hls.levels[e];if(t){var r=t.subtitleGroups||null,i=this.groupIds,n=this.currentTrack;if(!r||(null==i?void 0:i.length)!==(null==r?void 0:r.length)||null!=r&&r.some((function(e){return-1===(null==i?void 0:i.indexOf(e))}))){this.groupIds=r,this.trackId=-1,this.currentTrack=null;var a=this.tracks.filter((function(e){return!r||-1!==r.indexOf(e.groupId)}));if(a.length)this.selectDefaultTrack&&!a.some((function(e){return e.default}))&&(this.selectDefaultTrack=!1),a.forEach((function(e,t){e.id=t}));else if(!n&&!this.tracksInGroup.length)return;this.tracksInGroup=a;var s=this.hls.config.subtitlePreference;if(!n&&s){this.selectDefaultTrack=!1;var o=ct(s,a);if(o>-1)n=a[o];else{var l=ct(s,this.tracks);n=this.tracks[l]}}var u=this.findTrackId(n);-1===u&&n&&(u=this.findTrackId(null));var d={subtitleTracks:a};this.log("Updating 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0,startFragPrefetch:!1,fpsDroppedMonitoringPeriod:5e3,fpsDroppedMonitoringThreshold:.2,appendErrorMaxRetry:3,ignorePlaylistParsingErrors:!1,loader:vl,fLoader:void 0,pLoader:void 0,xhrSetup:void 0,licenseXhrSetup:void 0,licenseResponseCallback:void 0,abrController:yt,bufferController:ba,capLevelController:Pa,errorController:Gt,fpsController:Hs,stretchShortVideoTrack:!1,maxAudioFramesDrift:1,forceKeyFrameOnDiscontinuity:!0,abrEwmaFastLive:3,abrEwmaSlowLive:9,abrEwmaFastVoD:3,abrEwmaSlowVoD:9,abrEwmaDefaultEstimate:5e5,abrEwmaDefaultEstimateMax:5e6,abrBandWidthFactor:.95,abrBandWidthUpFactor:.7,abrMaxWithRealBitrate:!1,maxStarvationDelay:4,maxLoadingDelay:4,minAutoBitrate:0,emeEnabled:!1,widevineLicenseUrl:void 0,drmSystems:{},drmSystemOptions:{},requestMediaKeySystemAccessFunc:Gr,requireKeySystemAccessOnStart:!1,testBandwidth:!0,progressive:!1,lowLatencyMode:!0,cmcd:void 0,enableDateRangeMetadataCues:!0,enableEmsgMetadataCues:!0,enableEmsgKLVMetadata:!1,enableID3MetadataCues:!0,enableInterstitialPlayback:!0,interstitialAppendInPlace:!0,interstitialLiveLookAhead:10,useMediaCapabilities:!0,preserveManualLevelOnError:!1,certLoadPolicy:{default:{maxTimeToFirstByteMs:8e3,maxLoadTimeMs:2e4,timeoutRetry:null,errorRetry:null}},keyLoadPolicy:{default:{maxTimeToFirstByteMs:8e3,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:2e4,backoff:"linear"},errorRetry:{maxNumRetry:8,retryDelayMs:1e3,maxRetryDelayMs:2e4,backoff:"linear"}}},manifestLoadPolicy:{default:{maxTimeToFirstByteMs:1/0,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},playlistLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:2,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},fragLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:12e4,timeoutRetry:{maxNumRetry:4,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:6,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},steeringManifestLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:2e4,timeoutRetry:{maxNumRetry:2,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:1,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},interstitialAssetListLoadPolicy:{default:{maxTimeToFirstByteMs:1e4,maxLoadTimeMs:3e4,timeoutRetry:{maxNumRetry:0,retryDelayMs:0,maxRetryDelayMs:0},errorRetry:{maxNumRetry:0,retryDelayMs:1e3,maxRetryDelayMs:8e3}}},manifestLoadingTimeOut:1e4,manifestLoadingMaxRetry:1,manifestLoadingRetryDelay:1e3,manifestLoadingMaxRetryTimeout:64e3,levelLoadingTimeOut:1e4,levelLoadingMaxRetry:4,levelLoadingRetryDelay:1e3,levelLoadingMaxRetryTimeout:64e3,fragLoadingTimeOut:2e4,fragLoadingMaxRetry:6,fragLoadingRetryDelay:1e3,fragLoadingMaxRetryTimeout:64e3},{cueHandler:ul,enableWebVTT:!0,enableIMSC1:!0,enableCEA708Captions:!0,captionsTextTrack1Label:"English",captionsTextTrack1LanguageCode:"en",captionsTextTrack2Label:"Spanish",captionsTextTrack2LanguageCode:"es",captionsTextTrack3Label:"Unknown CC",captionsTextTrack3LanguageCode:"",captionsTextTrack4Label:"Unknown CC",captionsTextTrack4LanguageCode:"",renderTextTracksNatively:!0}),{},{subtitleStreamController:so,subtitleTrackController:go,timelineController:al,audioStreamController:pa,audioTrackController:Aa,emeController:Us,cmcdController:xs,contentSteeringController:Ms,interstitialsController:ao});function pl(e){return e&&"object"==typeof e?Array.isArray(e)?e.map(pl):Object.keys(e).reduce((function(t,r){return t[r]=pl(e[r]),t}),{}):e}function yl(e,t){var r=e.loader;r!==hl&&r!==vl?(t.log("[config]: Custom loader detected, cannot enable progressive streaming"),e.progressive=!1):function(){if(self.fetch&&self.AbortController&&self.ReadableStream&&self.Request)try{return new self.ReadableStream({}),!0}catch(e){}return!1}()&&(e.loader=hl,e.progressive=!0,e.enableSoftwareAES=!0,t.log("[config]: Progressive streaming enabled, using FetchLoader"))}var El=function(e){function t(t,r){var i;return(i=e.call(this,"gap-controller",t.logger)||this).hls=void 0,i.fragmentTracker=void 0,i.media=null,i.mediaSource=void 0,i.nudgeRetry=0,i.stallReported=!1,i.stalled=null,i.moved=!1,i.seeking=!1,i.buffered={},i.lastCurrentTime=0,i.ended=0,i.waiting=0,i.onMediaPlaying=function(){i.ended=0,i.waiting=0},i.onMediaWaiting=function(){var e;null!=(e=i.media)&&e.seeking||(i.waiting=self.performance.now(),i.tick())},i.onMediaEnded=function(){var e;i.hls&&(i.ended=(null==(e=i.media)?void 0:e.currentTime)||1,i.hls.trigger(b.MEDIA_ENDED,{stalled:!1}))},i.hls=t,i.fragmentTracker=r,i.registerListeners(),i}o(t,e);var r=t.prototype;return r.registerListeners=function(){var e=this.hls;e&&(e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.BUFFER_APPENDED,this.onBufferAppended,this))},r.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.BUFFER_APPENDED,this.onBufferAppended,this))},r.destroy=function(){e.prototype.destroy.call(this),this.unregisterListeners(),this.media=this.hls=this.fragmentTracker=null,this.mediaSource=void 0},r.onMediaAttached=function(e,t){this.setInterval(100),this.mediaSource=t.mediaSource;var r=this.media=t.media;ki(r,"playing",this.onMediaPlaying),ki(r,"waiting",this.onMediaWaiting),ki(r,"ended",this.onMediaEnded)},r.onMediaDetaching=function(e,t){this.clearInterval();var r=this.media;r&&(bi(r,"playing",this.onMediaPlaying),bi(r,"waiting",this.onMediaWaiting),bi(r,"ended",this.onMediaEnded),this.media=null),this.mediaSource=void 0},r.onBufferAppended=function(e,t){this.buffered=t.timeRanges},r.tick=function(){var e;if(null!=(e=this.media)&&e.readyState&&this.hasBuffered){var t=this.media.currentTime;this.poll(t,this.lastCurrentTime),this.lastCurrentTime=t}},r.poll=function(e,t){var r,i,n=null==(r=this.hls)?void 0:r.config;if(n){var a=this.media;if(a){var s=a.seeking,o=this.seeking&&!s,l=!this.seeking&&s,u=a.paused&&!s||a.ended||0===a.playbackRate;if(this.seeking=s,e!==t)return t&&(this.ended=0),this.moved=!0,s||(this.nudgeRetry=0,n.nudgeOnVideoHole&&!u&&e>t&&this.nudgeOnVideoHole(e,t)),void(0===this.waiting&&this.stallResolved(e));if(l||o)o&&this.stallResolved(e);else{if(u)return this.nudgeRetry=0,this.stallResolved(e),void(!this.ended&&a.ended&&this.hls&&(this.ended=e||1,this.hls.trigger(b.MEDIA_ENDED,{stalled:!1})));if(dr.getBuffered(a).length){var d=dr.bufferInfo(a,e,0),h=d.nextStart||0,f=this.fragmentTracker;if(s&&f&&this.hls){var c=Tl(this.hls.inFlightFragments,e),g=d.len>2,v=!h||c||h-e>2&&!f.getPartialFragment(e);if(g||v)return;this.moved=!1}var m=null==(i=this.hls)?void 0:i.latestLevelDetails;if(!this.moved&&null!==this.stalled&&f){if(!(d.len>0||h))return;var p=Math.max(h,d.start||0)-e,y=null!=m&&m.live?2*m.targetduration:2,E=Al(e,f);if(p>0&&(p<=y||E))return void(a.paused||this._trySkipBufferHole(E))}var T=n.detectStallWithCurrentTimeMs,S=self.performance.now(),A=this.waiting,L=this.stalled;if(null===L){if(!(A>0&&S-A=T||A)&&this.hls){var R;if("ended"===(null==(R=this.mediaSource)?void 0:R.readyState)&&(null==m||!m.live)&&Math.abs(e-((null==m?void 0:m.edge)||0))<1){if(this.ended)return;return this.ended=e||1,void this.hls.trigger(b.MEDIA_ENDED,{stalled:!0})}if(this._reportStall(d),!this.media||!this.hls)return}var k=dr.bufferInfo(a,e,n.maxBufferHole);this._tryFixBufferStall(k,I,e)}else this.nudgeRetry=0}}}},r.stallResolved=function(e){var t=this.stalled;if(t&&this.hls&&(this.stalled=null,this.stallReported)){var r=self.performance.now()-t;this.log("playback not stuck anymore @"+e+", after "+Math.round(r)+"ms"),this.stallReported=!1,this.waiting=0,this.hls.trigger(b.STALL_RESOLVED,{})}},r.nudgeOnVideoHole=function(e,t){var r,i=this.buffered.video;if(this.hls&&this.media&&this.fragmentTracker&&null!=(r=this.buffered.audio)&&r.length&&i&&i.length>1&&e>i.end(0)){var n=dr.bufferedInfo(dr.timeRangesToArray(this.buffered.audio),e,0);if(n.len>1&&t>=n.start){var a=dr.timeRangesToArray(i),s=dr.bufferedInfo(a,t,0).bufferedIndex;if(s>-1&&ss)&&u-l<1&&e-l<2){var d=new Error("nudging playhead to flush pipeline after video hole. currentTime: "+e+" hole: "+l+" -> "+u+" buffered index: "+o);this.warn(d.message),this.media.currentTime+=1e-6;var h=Al(e,this.fragmentTracker);h&&"fragment"in h?h=h.fragment:h||(h=void 0);var f=dr.bufferInfo(this.media,e,0);this.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.BUFFER_SEEK_OVER_HOLE,fatal:!1,error:d,reason:d.message,frag:h,buffer:f.len,bufferInfo:f})}}}}},r._tryFixBufferStall=function(e,t,r){var i,n,a=this.fragmentTracker,s=this.media,o=null==(i=this.hls)?void 0:i.config;if(s&&a&&o){var l=null==(n=this.hls)?void 0:n.latestLevelDetails,u=Al(r,a);if((u||null!=l&&l.live&&r1&&e.len>o.maxBufferHole||e.nextStart&&(e.nextStart-r1e3*o.highBufferWatchdogPeriod||this.waiting)&&(this.warn("Trying to nudge playhead over buffer-hole"),this._tryNudgeBuffer(e))}},r.adjacentTraversal=function(e,t){var r=this.fragmentTracker,i=e.nextStart;if(r&&i){var n=r.getFragAtPos(t,w),a=r.getFragAtPos(i,w);if(n&&a)return a.sn-n.sn<2}return!1},r._reportStall=function(e){var t=this.hls,r=this.media,i=this.stallReported,n=this.stalled;if(!i&&null!==n&&r&&t){this.stallReported=!0;var a=new Error("Playback stalling at @"+r.currentTime+" due to low buffer ("+ut(e)+")");this.warn(a.message),t.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.BUFFER_STALLED_ERROR,fatal:!1,error:a,buffer:e.len,bufferInfo:e,stalled:{start:n}})}},r._trySkipBufferHole=function(e){var t,r=this.fragmentTracker,i=this.media,n=null==(t=this.hls)?void 0:t.config;if(!i||!r||!n)return 0;var a=i.currentTime,s=dr.bufferInfo(i,a,0),o=a0&&s.len<1&&i.readyState<3,d=o-a;if(d>0&&(l||u)){if(d>n.maxBufferHole){var h=!1;if(0===a){var f=r.getAppendedFrag(0,w);f&&o0}}])}(or);function Tl(e,t){var r=Sl(e.main);if(r&&r.start<=t)return r;var i=Sl(e.audio);return i&&i.start<=t?i:null}function Sl(e){if(!e)return null;switch(e.state){case _i.IDLE:case _i.STOPPED:case _i.ENDED:case _i.ERROR:return null}return e.frag}function Al(e,t){return t.getAppendedFrag(e,w)||t.getPartialFragment(e)}function Ll(){if("undefined"!=typeof self)return self.VTTCue||self.TextTrackCue}function Il(e,t,r,i,n){var a=new e(t,r,"");try{a.value=i,n&&(a.type=n)}catch(s){a=new e(t,r,ut(n?d({type:n},i):i))}return a}var Rl=function(){var e=Ll();try{e&&new e(0,Number.POSITIVE_INFINITY,"")}catch(e){return Number.MAX_VALUE}return Number.POSITIVE_INFINITY}(),kl=function(){function e(e){var t=this;this.hls=void 0,this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.removeCues=!0,this.assetCue=void 0,this.onEventCueEnter=function(){t.hls&&t.hls.trigger(b.EVENT_CUE_ENTER,{})},this.hls=e,this._registerListeners()}var t=e.prototype;return t.destroy=function(){this._unregisterListeners(),this.id3Track=null,this.media=null,this.dateRangeCuesAppended={},this.hls=this.onEventCueEnter=null},t._registerListeners=function(){var e=this.hls;e&&(e.on(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.on(b.BUFFER_FLUSHING,this.onBufferFlushing,this),e.on(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(b.LEVEL_PTS_UPDATED,this.onLevelPtsUpdated,this))},t._unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MEDIA_ATTACHING,this.onMediaAttaching,this),e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.FRAG_PARSING_METADATA,this.onFragParsingMetadata,this),e.off(b.BUFFER_FLUSHING,this.onBufferFlushing,this),e.off(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(b.LEVEL_PTS_UPDATED,this.onLevelPtsUpdated,this))},t.onMediaAttaching=function(e,t){var r;this.media=t.media,!1===(null==(r=t.overrides)?void 0:r.cueRemoval)&&(this.removeCues=!1)},t.onMediaAttached=function(){var e,t=null==(e=this.hls)?void 0:e.latestLevelDetails;t&&this.updateDateRangeCues(t)},t.onMediaDetaching=function(e,t){this.media=null,t.transferMedia||(this.id3Track&&(this.removeCues&&ho(this.id3Track,this.onEventCueEnter),this.id3Track=null),this.dateRangeCuesAppended={})},t.onManifestLoading=function(){this.dateRangeCuesAppended={}},t.createTrack=function(e){var t=this.getID3Track(e.textTracks);return t.mode="hidden",t},t.getID3Track=function(e){if(this.media){for(var t=0;tRl&&(h=Rl),h-d<=0&&(h=d+.25);for(var f=0;f.01&&this.updateDateRangeCues(t.details)},t.updateDateRangeCues=function(e,t){var r=this;if(this.hls&&this.media){var i=this.hls.config,n=i.assetPlayerId,a=i.timelineOffset,s=i.enableDateRangeMetadataCues,o=i.interstitialsController;if(s){var l=Ll();if(n&&a&&!o){var u=e.fragmentStart,d=e.fragmentEnd,h=this.assetCue;h?(h.startTime=u,h.endTime=d):l&&(h=this.assetCue=Il(l,u,d,{assetPlayerId:this.hls.config.assetPlayerId},"hlsjs.interstitial.asset"))&&(h.id=n,this.id3Track||(this.id3Track=this.createTrack(this.media)),this.id3Track.addCue(h),h.addEventListener("enter",this.onEventCueEnter))}if(e.hasProgramDateTime){var f,c=this.id3Track,g=e.dateRanges,v=Object.keys(g),m=this.dateRangeCuesAppended;if(c&&t)if(null!=(f=c.cues)&&f.length)for(var p=Object.keys(m).filter((function(e){return!v.includes(e)})),y=function(){var e,t=p[E],i=null==(e=m[t])?void 0:e.cues;delete m[t],i&&Object.keys(i).forEach((function(e){var t=i[e];if(t){t.removeEventListener("enter",r.onEventCueEnter);try{c.removeCue(t)}catch(e){}}}))},E=p.length;E--;)y();else m=this.dateRangeCuesAppended={};var T=e.fragments[e.fragments.length-1];if(0!==v.length&&A(null==T?void 0:T.programDateTime)){this.id3Track||(this.id3Track=this.createTrack(this.media));for(var S=function(){var e=v[L],t=g[e],i=t.startTime,n=m[e],a=(null==n?void 0:n.cues)||{},s=(null==n?void 0:n.durationKnown)||!1,u=Rl,d=t.duration;if(t.endDate&&null!==d)u=i+d,s=!0;else if(t.endOnNext&&!s){var h=v.reduce((function(e,r){if(r!==t.id){var i=g[r];if(i.class===t.class&&i.startDate>t.startDate&&(!e||t.startDate.01&&(E.startTime=i,E.endTime=u):E.endTime=u;else if(l){var T=t.attr[y];Er(y)&&(T=Q(T));var S=Il(l,i,u,{key:y,data:T},rn.dateRange);S&&(S.id=e,r.id3Track.addCue(S),a[y]=S,o&&("X-ASSET-LIST"!==y&&"X-ASSET-URL"!==y||S.addEventListener("enter",r.onEventCueEnter)))}}}m[e]={cues:a,dateRange:t,durationKnown:s}},L=0;L.05&&t.forwardBufferLength>1){var u=Math.min(2,Math.max(1,s)),d=Math.round(2/(1+Math.exp(-.75*l-t.edgeStalled))*20)/20,h=Math.min(u,Math.max(1,d));t.changeMediaPlaybackRate(e,h)}else 1!==e.playbackRate&&0!==e.playbackRate&&t.changeMediaPlaybackRate(e,1)}}}}},this.hls=e,this.config=e.config,this.registerListeners()}var t=e.prototype;return t.destroy=function(){this.unregisterListeners(),this.onMediaDetaching(),this.hls=null},t.registerListeners=function(){var e=this.hls;e&&(e.on(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.on(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.on(b.ERROR,this.onError,this))},t.unregisterListeners=function(){var e=this.hls;e&&(e.off(b.MEDIA_ATTACHED,this.onMediaAttached,this),e.off(b.MEDIA_DETACHING,this.onMediaDetaching,this),e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.LEVEL_UPDATED,this.onLevelUpdated,this),e.off(b.ERROR,this.onError,this))},t.onMediaAttached=function(e,t){this.media=t.media,this.media.addEventListener("timeupdate",this.onTimeupdate)},t.onMediaDetaching=function(){this.media&&(this.media.removeEventListener("timeupdate",this.onTimeupdate),this.media=null)},t.onManifestLoading=function(){this._latency=null,this.stallCount=0},t.onLevelUpdated=function(e,t){var r=t.details;r.advanced&&this.onTimeupdate(),!r.live&&this.media&&this.media.removeEventListener("timeupdate",this.onTimeupdate)},t.onError=function(e,t){var r;t.details===k.BUFFER_STALLED_ERROR&&(this.stallCount++,this.hls&&null!=(r=this.levelDetails)&&r.live&&this.hls.logger.warn("[latency-controller]: Stall detected, adjusting target latency"))},t.changeMediaPlaybackRate=function(e,t){var r,i;e.playbackRate!==t&&(null==(r=this.hls)||r.logger.debug("[latency-controller]: latency="+this.latency.toFixed(3)+", targetLatency="+(null==(i=this.targetLatency)?void 0:i.toFixed(3))+", forwardBufferLength="+this.forwardBufferLength.toFixed(3)+": adjusting playback rate from "+e.playbackRate+" to "+t),e.playbackRate=t)},t.estimateLiveEdge=function(){var e=this.levelDetails;return null===e?null:e.edge+e.age},t.computeLatency=function(){var e=this.estimateLiveEdge();return null===e?null:e-this.currentTime},i(e,[{key:"levelDetails",get:function(){var e;return(null==(e=this.hls)?void 0:e.latestLevelDetails)||null}},{key:"latency",get:function(){return this._latency||0}},{key:"maxLatency",get:function(){var e=this.config;if(void 0!==e.liveMaxLatencyDuration)return e.liveMaxLatencyDuration;var t=this.levelDetails;return t?e.liveMaxLatencyDurationCount*t.targetduration:0}},{key:"targetLatency",get:function(){var e=this.levelDetails;if(null===e||null===this.hls)return null;var t=e.holdBack,r=e.partHoldBack,i=e.targetduration,n=this.config,a=n.liveSyncDuration,s=n.liveSyncDurationCount,o=n.lowLatencyMode,l=this.hls.userConfig,u=o&&r||t;(this._targetLatencyUpdated||l.liveSyncDuration||l.liveSyncDurationCount||0===u)&&(u=void 0!==a?a:s*i);var d=i;return u+Math.min(this.stallCount*this.config.liveSyncOnStallIncrease,d)},set:function(e){this.stallCount=0,this.config.liveSyncDuration=e,this._targetLatencyUpdated=!0}},{key:"liveSyncPosition",get:function(){var e=this.estimateLiveEdge(),t=this.targetLatency;if(null===e||null===t)return null;var r=this.levelDetails;if(null===r)return null;var i=r.edge,n=e-t-this.edgeStalled,a=i-r.totalduration,s=i-(this.config.lowLatencyMode&&r.partTarget||r.targetduration);return Math.min(Math.max(a,n),s)}},{key:"drift",get:function(){var e=this.levelDetails;return null===e?1:e.drift}},{key:"edgeStalled",get:function(){var e=this.levelDetails;if(null===e)return 0;var t=3*(this.config.lowLatencyMode&&e.partTarget||e.targetduration);return Math.max(e.age-t,0)}},{key:"forwardBufferLength",get:function(){var e=this.media,t=this.levelDetails;if(!e||!t)return 0;var r=e.buffered.length;return(r?e.buffered.end(r-1):t.edge)-this.currentTime}}])}(),Dl=function(e){function t(t,r){var i;return(i=e.call(this,t,"level-controller")||this)._levels=[],i._firstLevel=-1,i._maxAutoLevel=-1,i._startLevel=void 0,i.currentLevel=null,i.currentLevelIndex=-1,i.manualLevelIndex=-1,i.steering=void 0,i.onParsedComplete=void 0,i.steering=r,i._registerListeners(),i}o(t,e);var r=t.prototype;return r._registerListeners=function(){var e=this.hls;e.on(b.MANIFEST_LOADING,this.onManifestLoading,this),e.on(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.on(b.LEVEL_LOADED,this.onLevelLoaded,this),e.on(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.on(b.FRAG_BUFFERED,this.onFragBuffered,this),e.on(b.ERROR,this.onError,this)},r._unregisterListeners=function(){var e=this.hls;e.off(b.MANIFEST_LOADING,this.onManifestLoading,this),e.off(b.MANIFEST_LOADED,this.onManifestLoaded,this),e.off(b.LEVEL_LOADED,this.onLevelLoaded,this),e.off(b.LEVELS_UPDATED,this.onLevelsUpdated,this),e.off(b.FRAG_BUFFERED,this.onFragBuffered,this),e.off(b.ERROR,this.onError,this)},r.destroy=function(){this._unregisterListeners(),this.steering=null,this.resetLevels(),e.prototype.destroy.call(this)},r.stopLoad=function(){this._levels.forEach((function(e){e.loadError=0,e.fragmentError=0})),e.prototype.stopLoad.call(this)},r.resetLevels=function(){this._startLevel=void 0,this.manualLevelIndex=-1,this.currentLevelIndex=-1,this.currentLevel=null,this._levels=[],this._maxAutoLevel=-1},r.onManifestLoading=function(e,t){this.resetLevels()},r.onManifestLoaded=function(e,t){var r=this,i=this.hls.config.preferManagedMediaSource,n=[],a={},s={},o=!1,l=!1,u=!1;t.levels.forEach((function(e){var t=e.attrs,d=e.audioCodec,h=e.videoCodec;d&&(e.audioCodec=d=Ke(d,i)||void 0),h&&(h=e.videoCodec=function(e){for(var t=e.split(","),r=0;r2&&"avc1"===i[0]&&(t[r]="avc1."+parseInt(i[1]).toString(16)+("000"+parseInt(i[2]).toString(16)).slice(-4))}return t.join(",")}(h));var f=e.width,c=e.height,g=e.unknownCodecs,v=(null==g?void 0:g.length)||0;if(o||(o=!(!f||!c)),l||(l=!!h),u||(u=!!d),v||d&&!r.isAudioSupported(d)||h&&!r.isVideoSupported(h))r.log('Some or all CODECS not supported "'+t.CODECS+'"');else{var m=t.CODECS,p=t["FRAME-RATE"],y=t["HDCP-LEVEL"],E=t["PATHWAY-ID"],T=t.RESOLUTION,S=t["VIDEO-RANGE"],A=(E||".")+"-"+e.bitrate+"-"+T+"-"+p+"-"+m+"-"+S+"-"+y;if(a[A])if(a[A].uri===e.url||e.attrs["PATHWAY-ID"])a[A].addGroupId("audio",t.AUDIO),a[A].addGroupId("text",t.SUBTITLES);else{var L=s[A]+=1;e.attrs["PATHWAY-ID"]=new Array(L+1).join(".");var I=r.createLevel(e);a[A]=I,n.push(I)}else{var R=r.createLevel(e);a[A]=R,s[A]=1,n.push(R)}}})),this.filterAndSortMediaOptions(n,t,o,l,u)},r.createLevel=function(e){var t=new st(e),r=e.supplemental;if(null!=r&&r.videoCodec&&!this.isVideoSupported(r.videoCodec)){var i=new Error('SUPPLEMENTAL-CODECS not supported "'+r.videoCodec+'"');this.log(i.message),t.supportedResult=Qe(i,[])}return t},r.isAudioSupported=function(e){return xe(e,"audio",this.hls.config.preferManagedMediaSource)},r.isVideoSupported=function(e){return xe(e,"video",this.hls.config.preferManagedMediaSource)},r.filterAndSortMediaOptions=function(e,t,r,i,n){var a,s=this,o=[],l=[],u=e,d=(null==(a=t.stats)?void 0:a.parsing)||{};if((r||i)&&n&&(u=u.filter((function(e){var t,r=e.videoCodec,i=e.videoRange,n=e.width,a=e.height;return(!!r||!(!n||!a))&&!!(t=i)&&et.indexOf(t)>-1}))),0===u.length)return Promise.resolve().then((function(){if(s.hls){var e="no level with compatible codecs found in manifest",r=e;t.levels.length&&(r="one or more CODECS in variant not supported: "+ut(t.levels.map((function(e){return e.attrs.CODECS})).filter((function(e,t,r){return r.indexOf(e)===t}))),s.warn(r),e+=" ("+r+")");var i=new Error(e);s.hls.trigger(b.ERROR,{type:R.MEDIA_ERROR,details:k.MANIFEST_INCOMPATIBLE_CODECS_ERROR,fatal:!0,url:t.url,error:i,reason:r})}})),void(d.end=performance.now());t.audioTracks&&_l(o=t.audioTracks.filter((function(e){return!e.audioCodec||s.isAudioSupported(e.audioCodec)}))),t.subtitles&&_l(l=t.subtitles);var h=u.slice(0);u.sort((function(e,t){if(e.attrs["HDCP-LEVEL"]!==t.attrs["HDCP-LEVEL"])return(e.attrs["HDCP-LEVEL"]||"")>(t.attrs["HDCP-LEVEL"]||"")?1:-1;if(r&&e.height!==t.height)return e.height-t.height;if(e.frameRate!==t.frameRate)return e.frameRate-t.frameRate;if(e.videoRange!==t.videoRange)return et.indexOf(e.videoRange)-et.indexOf(t.videoRange);if(e.videoCodec!==t.videoCodec){var i=Ne(e.videoCodec),n=Ne(t.videoCodec);if(i!==n)return n-i}if(e.uri===t.uri&&e.codecSet!==t.codecSet){var a=Ue(e.codecSet),s=Ue(t.codecSet);if(a!==s)return s-a}return e.averageBitrate!==t.averageBitrate?e.averageBitrate-t.averageBitrate:0}));var f=h[0];if(this.steering&&(u=this.steering.filterParsedLevels(u)).length!==h.length)for(var c=0;cp&&p===this.hls.abrEwmaDefaultEstimate&&(this.hls.bandwidthEstimate=y)}break}var E=n&&!i,T=this.hls.config,S=!(!T.audioStreamController||!T.audioTrackController),A={levels:u,audioTracks:o,subtitleTracks:l,sessionData:t.sessionData,sessionKeys:t.sessionKeys,firstLevel:this._firstLevel,stats:t.stats,audio:n,video:i,altAudio:S&&!E&&o.some((function(e){return!!e.url}))};d.end=performance.now(),this.hls.trigger(b.MANIFEST_PARSED,A)},r.onError=function(e,t){!t.fatal&&t.context&&t.context.type===_&&t.context.level===this.level&&this.checkRetry(t)},r.onFragBuffered=function(e,t){var r=t.frag;if(void 0!==r&&r.type===w){var i=r.elementaryStreams;if(!Object.keys(i).some((function(e){return!!i[e]})))return;var n=this._levels[r.level];null!=n&&n.loadError&&(this.log("Resetting level error count of "+n.loadError+" on frag buffered"),n.loadError=0)}},r.onLevelLoaded=function(e,t){var r,i,n=t.level,a=t.details,s=t.levelInfo;if(!s)return this.warn("Invalid level index "+n),void(null!=(i=t.deliveryDirectives)&&i.skip&&(a.deltaUpdateFailed=!0));if(s===this.currentLevel||t.withoutMultiVariant){0===s.fragmentError&&(s.loadError=0);var o=s.details;o===t.details&&o.advanced&&(o=void 0),this.playlistLoaded(n,t,o)}else null!=(r=t.deliveryDirectives)&&r.skip&&(a.deltaUpdateFailed=!0)},r.loadPlaylist=function(t){e.prototype.loadPlaylist.call(this),this.shouldLoadPlaylist(this.currentLevel)&&this.scheduleLoading(this.currentLevel,t)},r.loadingPlaylist=function(t,r){e.prototype.loadingPlaylist.call(this,t,r);var i=this.getUrlWithDirectives(t.uri,r),n=this.currentLevelIndex,a=t.attrs["PATHWAY-ID"],s=t.details,o=null==s?void 0:s.age;this.log("Loading level index "+n+(void 0!==(null==r?void 0:r.msn)?" at sn "+r.msn+" part "+r.part:"")+(a?" Pathway "+a:"")+(o&&s.live?" age "+o.toFixed(1)+(s.type&&" "+s.type||""):"")+" "+i),this.hls.trigger(b.LEVEL_LOADING,{url:i,level:n,levelInfo:t,pathwayId:t.attrs["PATHWAY-ID"],id:0,deliveryDirectives:r||null})},r.removeLevel=function(e){var t,r=this;if(1!==this._levels.length){var i=this._levels.filter((function(t,i){return i!==e||(r.steering&&r.steering.removeLevel(t),t===r.currentLevel&&(r.currentLevel=null,r.currentLevelIndex=-1,t.details&&t.details.fragments.forEach((function(e){return e.level=-1}))),!1)}));yi(i),this._levels=i,this.currentLevelIndex>-1&&null!=(t=this.currentLevel)&&t.details&&(this.currentLevelIndex=this.currentLevel.details.fragments[0].level),this.manualLevelIndex>-1&&(this.manualLevelIndex=this.currentLevelIndex);var n=i.length-1;this._firstLevel=Math.min(this._firstLevel,n),this._startLevel&&(this._startLevel=Math.min(this._startLevel,n)),this.hls.trigger(b.LEVELS_UPDATED,{levels:i})}},r.onLevelsUpdated=function(e,t){var r=t.levels;this._levels=r},r.checkMaxAutoUpdated=function(){var e=this.hls,t=e.autoLevelCapping,r=e.maxAutoLevel,i=e.maxHdcpLevel;this._maxAutoLevel!==r&&(this._maxAutoLevel=r,this.hls.trigger(b.MAX_AUTO_LEVEL_UPDATED,{autoLevelCapping:t,levels:this.levels,maxAutoLevel:r,minAutoLevel:this.hls.minAutoLevel,maxHdcpLevel:i}))},i(t,[{key:"levels",get:function(){return 0===this._levels.length?null:this._levels}},{key:"loadLevelObj",get:function(){return this.currentLevel}},{key:"level",get:function(){return this.currentLevelIndex},set:function(e){var t=this._levels;if(0!==t.length){if(e<0||e>=t.length){var r=new Error("invalid level idx"),i=e<0;if(this.hls.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.LEVEL_SWITCH_ERROR,level:e,fatal:i,error:r,reason:r.message}),i)return;e=Math.min(e,t.length-1)}var n=this.currentLevelIndex,a=this.currentLevel,s=a?a.attrs["PATHWAY-ID"]:void 0,o=t[e],l=o.attrs["PATHWAY-ID"];if(this.currentLevelIndex=e,this.currentLevel=o,n!==e||!a||s!==l){this.log("Switching to level "+e+" ("+(o.height?o.height+"p ":"")+(o.videoRange?o.videoRange+" ":"")+(o.codecSet?o.codecSet+" ":"")+"@"+o.bitrate+")"+(l?" with Pathway "+l:"")+" from level "+n+(s?" with Pathway "+s:""));var u={level:e,attrs:o.attrs,details:o.details,bitrate:o.bitrate,averageBitrate:o.averageBitrate,maxBitrate:o.maxBitrate,realBitrate:o.realBitrate,width:o.width,height:o.height,codecSet:o.codecSet,audioCodec:o.audioCodec,videoCodec:o.videoCodec,audioGroups:o.audioGroups,subtitleGroups:o.subtitleGroups,loaded:o.loaded,loadError:o.loadError,fragmentError:o.fragmentError,name:o.name,id:o.id,uri:o.uri,url:o.url,urlId:0,audioGroupIds:o.audioGroupIds,textGroupIds:o.textGroupIds};this.hls.trigger(b.LEVEL_SWITCHING,u);var d=o.details;if(!d||d.live){var h=this.switchParams(o.uri,null==a?void 0:a.details,d);this.loadPlaylist(h)}}}}},{key:"manualLevel",get:function(){return this.manualLevelIndex},set:function(e){this.manualLevelIndex=e,void 0===this._startLevel&&(this._startLevel=e),-1!==e&&(this.level=e)}},{key:"firstLevel",get:function(){return this._firstLevel},set:function(e){this._firstLevel=e}},{key:"startLevel",get:function(){if(void 0===this._startLevel){var e=this.hls.config.startLevel;return void 0!==e?e:this.hls.firstAutoLevel}return this._startLevel},set:function(e){this._startLevel=e}},{key:"pathways",get:function(){return this.steering?this.steering.pathways():[]}},{key:"pathwayPriority",get:function(){return this.steering?this.steering.pathwayPriority:null},set:function(e){if(this.steering){var t=this.steering.pathways(),r=e.filter((function(e){return-1!==t.indexOf(e)}));if(e.length<1)return void this.warn("pathwayPriority "+e+" should contain at least one pathway from list: "+t);this.steering.pathwayPriority=r}}},{key:"nextLoadLevel",get:function(){return-1!==this.manualLevelIndex?this.manualLevelIndex:this.hls.nextAutoLevel},set:function(e){this.level=e,-1===this.manualLevelIndex&&(this.hls.nextAutoLevel=e)}}])}(ya);function _l(e){var t={};e.forEach((function(e){var r=e.groupId||"";e.id=t[r]=t[r]||0,t[r]++}))}function Pl(){return self.SourceBuffer||self.WebKitSourceBuffer}function Cl(){if(!W())return!1;var e=Pl();return!e||e.prototype&&"function"==typeof e.prototype.appendBuffer&&"function"==typeof e.prototype.remove}var wl=function(e){function t(t,r,i){var n;return(n=e.call(this,t,r,i,"stream-controller",w)||this).audioCodecSwap=!1,n.level=-1,n._forceStartLoad=!1,n._hasEnoughToStart=!1,n.altAudio=0,n.audioOnly=!1,n.fragPlaying=null,n.fragLastKbps=0,n.couldBacktrack=!1,n.backtrackFragment=null,n.audioCodecSwitch=!1,n.videoBuffer=null,n.onMediaPlaying=function(){n.tick()},n.onMediaSeeked=function(){var e=n.media,t=e?e.currentTime:null;if(null!==t&&A(t)&&(n.log("Media seeked to "+t.toFixed(3)),n.getBufferedFrag(t))){var r=n.getFwdBufferInfoAtPos(e,t,w,0);null!==r&&0!==r.len?n.tick():n.warn("Main forward buffer length at "+t+' on "seeked" event '+(r?r.len:"empty")+")")}},n.registerListeners(),n}o(t,e);var r=t.prototype;return r.registerListeners=function(){e.prototype.registerListeners.call(this);var t=this.hls;t.on(b.MANIFEST_PARSED,this.onManifestParsed,this),t.on(b.LEVEL_LOADING,this.onLevelLoading,this),t.on(b.LEVEL_LOADED,this.onLevelLoaded,this),t.on(b.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.on(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.on(b.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.on(b.BUFFER_CREATED,this.onBufferCreated,this),t.on(b.BUFFER_FLUSHED,this.onBufferFlushed,this),t.on(b.LEVELS_UPDATED,this.onLevelsUpdated,this),t.on(b.FRAG_BUFFERED,this.onFragBuffered,this)},r.unregisterListeners=function(){e.prototype.unregisterListeners.call(this);var t=this.hls;t.off(b.MANIFEST_PARSED,this.onManifestParsed,this),t.off(b.LEVEL_LOADED,this.onLevelLoaded,this),t.off(b.FRAG_LOAD_EMERGENCY_ABORTED,this.onFragLoadEmergencyAborted,this),t.off(b.AUDIO_TRACK_SWITCHING,this.onAudioTrackSwitching,this),t.off(b.AUDIO_TRACK_SWITCHED,this.onAudioTrackSwitched,this),t.off(b.BUFFER_CREATED,this.onBufferCreated,this),t.off(b.BUFFER_FLUSHED,this.onBufferFlushed,this),t.off(b.LEVELS_UPDATED,this.onLevelsUpdated,this),t.off(b.FRAG_BUFFERED,this.onFragBuffered,this)},r.onHandlerDestroying=function(){this.onMediaPlaying=this.onMediaSeeked=null,this.unregisterListeners(),e.prototype.onHandlerDestroying.call(this)},r.startLoad=function(e,t){if(this.levels){var r=this.lastCurrentTime,i=this.hls;if(this.stopLoad(),this.setInterval(100),this.level=-1,!this.startFragRequested){var n=i.startLevel;-1===n&&(i.config.testBandwidth&&this.levels.length>1?(n=0,this.bitrateTest=!0):n=i.firstAutoLevel),i.nextLoadLevel=n,this.level=i.loadLevel,this._hasEnoughToStart=!!t}r>0&&-1===e&&!t&&(this.log("Override startPosition with lastCurrentTime @"+r.toFixed(3)),e=r),this.state=_i.IDLE,this.nextLoadPosition=this.lastCurrentTime=e+this.timelineOffset,this.startPosition=t?-1:e,this.tick()}else this._forceStartLoad=!0,this.state=_i.STOPPED},r.stopLoad=function(){this._forceStartLoad=!1,e.prototype.stopLoad.call(this)},r.doTick=function(){switch(this.state){case _i.WAITING_LEVEL:var e=this.levels,t=this.level,r=null==e?void 0:e[t],i=null==r?void 0:r.details;if(i&&(!i.live||this.levelLastLoaded===r&&!this.waitForLive(r))){if(this.waitForCdnTuneIn(i))break;this.state=_i.IDLE;break}if(this.hls.nextLoadLevel!==this.level){this.state=_i.IDLE;break}break;case _i.FRAG_LOADING_WAITING_RETRY:this.checkRetryDate()}this.state===_i.IDLE&&this.doTickIdle(),this.onTickEnd()},r.onTickEnd=function(){var t;e.prototype.onTickEnd.call(this),null!=(t=this.media)&&t.readyState&&!1===this.media.seeking&&(this.lastCurrentTime=this.media.currentTime),this.checkFragmentChanged()},r.doTickIdle=function(){var e=this.hls,t=this.levelLastLoaded,r=this.levels,i=this.media;if(null!==t&&(i||this.primaryPrefetch||!this.startFragRequested&&e.config.startFragPrefetch)&&(!this.altAudio||!this.audioOnly)){var n=this.buffering?e.nextLoadLevel:e.loadLevel;if(null!=r&&r[n]){var a=r[n],s=this.getMainFwdBufferInfo();if(null!==s){var o=this.getLevelDetails();if(o&&this._streamEnded(s,o)){var l={};return 2===this.altAudio&&(l.type="video"),this.hls.trigger(b.BUFFER_EOS,l),void(this.state=_i.ENDED)}if(this.buffering){e.loadLevel!==n&&-1===e.manualLevel&&this.log("Adapting to level "+n+" from level "+this.level),this.level=e.nextLoadLevel=n;var u=a.details;if(!u||this.state===_i.WAITING_LEVEL||this.waitForLive(a))return this.level=n,this.state=_i.WAITING_LEVEL,void(this.startFragRequested=!1);var d=s.len,h=this.getMaxBufferLength(a.maxBitrate);if(!(d>=h)){this.backtrackFragment&&this.backtrackFragment.start>s.end&&(this.backtrackFragment=null);var f=this.backtrackFragment?this.backtrackFragment.start:s.end,c=this.getNextFragment(f,u);if(this.couldBacktrack&&!this.fragPrevious&&c&&te(c)&&this.fragmentTracker.getState(c)!==Wt){var g,v=(null!=(g=this.backtrackFragment)?g:c).sn-u.startSN,m=u.fragments[v-1];m&&c.cc===m.cc&&(c=m,this.fragmentTracker.removeFragment(m))}else this.backtrackFragment&&s.len&&(this.backtrackFragment=null);if(c&&this.isLoopLoading(c,f)){if(!c.gap){var p=this.audioOnly&&!this.altAudio?$:Z,y=(p===Z?this.videoBuffer:this.mediaBuffer)||this.media;y&&this.afterBufferFlushed(y,p,w)}c=this.getNextFragmentLoopLoading(c,u,s,w,h)}c&&(!c.initSegment||c.initSegment.data||this.bitrateTest||(c=c.initSegment),this.loadFragment(c,a,f))}}}}}},r.loadFragment=function(t,r,i){var n=this.fragmentTracker.getState(t);n===Vt||n===Yt?te(t)?this.bitrateTest?(this.log("Fragment "+t.sn+" of level "+t.level+" is being downloaded to test bitrate and will not be buffered"),this._loadBitrateTestFrag(t,r)):e.prototype.loadFragment.call(this,t,r,i):this._loadInitSegment(t,r):this.clearTrackerIfNeeded(t)},r.getBufferedFrag=function(e){return this.fragmentTracker.getBufferedFrag(e,w)},r.followingBufferedFrag=function(e){return e?this.getBufferedFrag(e.end+.5):null},r.immediateLevelSwitch=function(){this.abortCurrentFrag(),this.flushMainBuffer(0,Number.POSITIVE_INFINITY)},r.nextLevelSwitch=function(){var e=this.levels,t=this.media;if(null!=t&&t.readyState){var r,i=this.getAppendedFrag(t.currentTime);i&&i.start>1&&this.flushMainBuffer(0,i.start-1);var n=this.getLevelDetails();if(null!=n&&n.live){var a=this.getMainFwdBufferInfo();if(!a||a.len<2*n.targetduration)return}if(!t.paused&&e){var s=e[this.hls.nextLoadLevel],o=this.fragLastKbps;r=o&&this.fragCurrent?this.fragCurrent.duration*s.maxBitrate/(1e3*o)+1:0}else r=0;var l=this.getBufferedFrag(t.currentTime+r);if(l){var u=this.followingBufferedFrag(l);if(u){this.abortCurrentFrag();var d=u.maxStartPTS?u.maxStartPTS:u.start,h=u.duration,f=Math.max(l.end,d+Math.min(Math.max(h-this.config.maxFragLookUpTolerance,h*(this.couldBacktrack?.5:.125)),h*(this.couldBacktrack?.75:.25)));this.flushMainBuffer(f,Number.POSITIVE_INFINITY)}}}},r.abortCurrentFrag=function(){var e=this.fragCurrent;switch(this.fragCurrent=null,this.backtrackFragment=null,e&&(e.abortRequests(),this.fragmentTracker.removeFragment(e)),this.state){case _i.KEY_LOADING:case _i.FRAG_LOADING:case _i.FRAG_LOADING_WAITING_RETRY:case _i.PARSING:case _i.PARSED:this.state=_i.IDLE}this.nextLoadPosition=this.getLoadPosition()},r.flushMainBuffer=function(t,r){e.prototype.flushMainBuffer.call(this,t,r,2===this.altAudio?"video":null)},r.onMediaAttached=function(t,r){e.prototype.onMediaAttached.call(this,t,r);var i=r.media;ki(i,"playing",this.onMediaPlaying),ki(i,"seeked",this.onMediaSeeked)},r.onMediaDetaching=function(t,r){var i=this.media;i&&(bi(i,"playing",this.onMediaPlaying),bi(i,"seeked",this.onMediaSeeked)),this.videoBuffer=null,this.fragPlaying=null,e.prototype.onMediaDetaching.call(this,t,r),r.transferMedia||(this._hasEnoughToStart=!1)},r.onManifestLoading=function(){e.prototype.onManifestLoading.call(this),this.log("Trigger BUFFER_RESET"),this.hls.trigger(b.BUFFER_RESET,void 0),this.couldBacktrack=!1,this.fragLastKbps=0,this.fragPlaying=this.backtrackFragment=null,this.altAudio=0,this.audioOnly=!1},r.onManifestParsed=function(e,t){for(var r,i,n=!1,a=!1,s=0;s=a-t.maxFragLookUpTolerance&&n<=s;if(null!==i&&r.duration>i&&(n-1&&this.fragCurrent&&(this.level=this.fragCurrent.level,-1===this.level&&this.resetWhenMissingContext(this.fragCurrent)),this.levels=t.levels},r.swapAudioCodec=function(){this.audioCodecSwap=!this.audioCodecSwap},r.seekToStartPos=function(){var e=this.media;if(e){var t=e.currentTime,r=this.startPosition;if(r>=0&&t0&&(oS.cc;if(!1!==i.independent){var R=u.startPTS,k=u.endPTS,D=u.startDTS,_=u.endDTS;if(o)o.elementaryStreams[u.type]={startPTS:R,endPTS:k,startDTS:D,endDTS:_};else if(u.firstKeyFrame&&u.independent&&1===n.id&&!I&&(this.couldBacktrack=!0),u.dropped&&u.independent){var P=this.getMainFwdBufferInfo(),C=(P?P.end:this.getLoadPosition())+this.config.maxBufferHole,w=u.firstKeyFramePTS?u.firstKeyFramePTS:R;if(!L&&C2&&(s.gap=!0);s.setElementaryStreamInfo(u.type,R,k,D,_),this.backtrackFragment&&(this.backtrackFragment=s),this.bufferFragmentData(u,s,o,n,L||I)}else{if(!L&&!I)return void this.backtrack(s);s.gap=!0}}if(g){var O=g.startPTS,x=g.endPTS,M=g.startDTS,F=g.endDTS;o&&(o.elementaryStreams[$]={startPTS:O,endPTS:x,startDTS:M,endDTS:F}),s.setElementaryStreamInfo($,O,x,M,F),this.bufferFragmentData(g,s,o,n)}if(c&&null!=h&&h.samples.length){var N={id:t,frag:s,details:c,samples:h.samples};r.trigger(b.FRAG_PARSING_METADATA,N)}if(c&&d){var U={id:t,frag:s,details:c,samples:d.samples};r.trigger(b.FRAG_PARSING_USERDATA,U)}}}else this.resetWhenMissingContext(n)},r.logMuxedErr=function(e){this.warn((te(e)?"Media":"Init")+" segment with muxed audiovideo where only video expected: "+e.url)},r._bufferInitSegment=function(e,t,r,i){var n=this;if(this.state===_i.PARSING){this.audioOnly=!!t.audio&&!t.video,this.altAudio&&!this.audioOnly&&(delete t.audio,t.audiovideo&&this.logMuxedErr(r));var a=t.audio,s=t.video,o=t.audiovideo;if(a){var l=e.audioCodec,u=Ve(a.codec,l);"mp4a"===u&&(u="mp4a.40.5");var d=navigator.userAgent.toLowerCase();if(this.audioCodecSwitch){u&&(u=-1!==u.indexOf("mp4a.40.5")?"mp4a.40.2":"mp4a.40.5");var h=a.metadata;h&&"channelCount"in h&&1!==(h.channelCount||1)&&-1===d.indexOf("firefox")&&(u="mp4a.40.5")}u&&-1!==u.indexOf("mp4a.40.5")&&-1!==d.indexOf("android")&&"audio/mpeg"!==a.container&&(u="mp4a.40.2",this.log("Android: force audio codec to "+u)),l&&l!==u&&this.log('Swapping manifest audio codec "'+l+'" for "'+u+'"'),a.levelCodec=u,a.id=w,this.log("Init audio buffer, container:"+a.container+", codecs[selected/level/parsed]=["+(u||"")+"/"+(l||"")+"/"+a.codec+"]"),delete t.audiovideo}if(s){s.levelCodec=e.videoCodec,s.id=w;var f=s.codec;if(4===(null==f?void 0:f.length))switch(f){case"hvc1":case"hev1":s.codec="hvc1.1.6.L120.90";break;case"av01":s.codec="av01.0.04M.08";break;case"avc1":s.codec="avc1.42e01e"}this.log("Init video buffer, container:"+s.container+", codecs[level/parsed]=["+(e.videoCodec||"")+"/"+f+"]"+(s.codec!==f?" parsed-corrected="+s.codec:"")+(s.supplemental?" supplemental="+s.supplemental:"")),delete t.audiovideo}o&&(this.log("Init audiovideo buffer, container:"+o.container+", codecs[level/parsed]=["+e.codecs+"/"+o.codec+"]"),delete t.video,delete t.audio);var c=Object.keys(t);if(c.length){if(this.hls.trigger(b.BUFFER_CODECS,t),!this.hls)return;c.forEach((function(e){var a=t[e].initSegment;null!=a&&a.byteLength&&n.hls.trigger(b.BUFFER_APPENDING,{type:e,data:a,frag:r,part:null,chunkMeta:i,parent:r.type})}))}this.tickImmediate()}},r.getMainFwdBufferInfo=function(){var e=this.mediaBuffer&&2===this.altAudio?this.mediaBuffer:this.media;return this.getFwdBufferInfo(e,w)},r.backtrack=function(e){this.couldBacktrack=!0,this.backtrackFragment=e,this.resetTransmuxer(),this.flushBufferGap(e),this.fragmentTracker.removeFragment(e),this.fragPrevious=null,this.nextLoadPosition=e.start,this.state=_i.IDLE},r.checkFragmentChanged=function(){var e=this.media,t=null;if(e&&e.readyState>1&&!1===e.seeking){var r=e.currentTime;if(dr.isBuffered(e,r)?t=this.getAppendedFrag(r):dr.isBuffered(e,r+.1)&&(t=this.getAppendedFrag(r+.1)),t){this.backtrackFragment=null;var i=this.fragPlaying,n=t.level;i&&t.sn===i.sn&&i.level===n||(this.fragPlaying=t,this.hls.trigger(b.FRAG_CHANGED,{frag:t}),i&&i.level===n||this.hls.trigger(b.LEVEL_SWITCHED,{level:n}))}}},i(t,[{key:"hasEnoughToStart",get:function(){return this._hasEnoughToStart}},{key:"maxBufferLength",get:function(){var e=this.levels,t=this.level,r=null==e?void 0:e[t];return r?this.getMaxBufferLength(r.maxBitrate):this.config.maxBufferLength}},{key:"nextLevel",get:function(){var e=this.nextBufferedFrag;return e?e.level:-1}},{key:"currentFrag",get:function(){var e;if(this.fragPlaying)return this.fragPlaying;var t=(null==(e=this.media)?void 0:e.currentTime)||this.lastCurrentTime;return A(t)?this.getAppendedFrag(t):null}},{key:"currentProgramDateTime",get:function(){var e,t=(null==(e=this.media)?void 0:e.currentTime)||this.lastCurrentTime;if(A(t)){var r=this.getLevelDetails(),i=this.currentFrag||(r?Tt(null,r.fragments,t):null);if(i){var n=i.programDateTime;if(null!==n){var a=n+1e3*(t-i.start);return new Date(a)}}}return null}},{key:"currentLevel",get:function(){var e=this.currentFrag;return e?e.level:-1}},{key:"nextBufferedFrag",get:function(){var e=this.currentFrag;return e?this.followingBufferedFrag(e):null}},{key:"forceStartLoad",get:function(){return this._forceStartLoad}}])}(Pi),Ol=function(e){function t(t,r){var i;return(i=e.call(this,"key-loader",r)||this).config=void 0,i.keyIdToKeyInfo={},i.emeController=null,i.config=t,i}o(t,e);var r=t.prototype;return r.abort=function(e){for(var t in this.keyIdToKeyInfo){var r=this.keyIdToKeyInfo[t].loader;if(r){var i;if(e&&e!==(null==(i=r.context)?void 0:i.frag.type))return;r.abort()}}},r.detach=function(){for(var e in this.keyIdToKeyInfo){var t=this.keyIdToKeyInfo[e];(t.mediaKeySessionContext||t.decryptdata.isCommonEncryption)&&delete this.keyIdToKeyInfo[e]}},r.destroy=function(){for(var e in this.detach(),this.keyIdToKeyInfo){var t=this.keyIdToKeyInfo[e].loader;t&&t.destroy()}this.keyIdToKeyInfo={}},r.createKeyLoadError=function(e,t,r,i,n){return void 0===t&&(t=k.KEY_LOAD_ERROR),new sr({type:R.NETWORK_ERROR,details:t,fatal:!1,frag:e,response:n,error:r,networkDetails:i})},r.loadClear=function(e,t,r){var i=this;if(this.emeController&&this.config.emeEnabled&&!this.emeController.getSelectedKeySystemFormats().length){if(t.length)for(var n,a=function(){var n=t[s];if(e.cc<=n.cc&&(!te(e)||!te(n)||e.sn-1&&(v=p)}}else v=0;s.trigger(b.LEVEL_LOADED,{details:e,levelInfo:u||s.levels[0],level:v||0,id:d||0,stats:r,networkDetails:n,deliveryDirectives:f,withoutMultiVariant:o===D});break;case P:s.trigger(b.AUDIO_TRACK_LOADED,{details:e,track:u,id:d||0,groupId:h||"",stats:r,networkDetails:n,deliveryDirectives:f});break;case C:s.trigger(b.SUBTITLE_TRACK_LOADED,{details:e,track:u,id:d||0,groupId:h||"",stats:r,networkDetails:n,deliveryDirectives:f})}else{var y=e.playlistParsingError=new Error("No Segments found in Playlist");s.trigger(b.ERROR,{type:R.NETWORK_ERROR,details:k.LEVEL_EMPTY_ERROR,fatal:!1,url:c,error:y,reason:y.message,response:t,context:i,level:v,parent:g,networkDetails:n,stats:r})}},e}(),Ul=function(){function e(t){void 0===t&&(t={}),this.config=void 0,this.userConfig=void 0,this.logger=void 0,this.coreComponents=void 0,this.networkControllers=void 0,this._emitter=new E,this._autoLevelCapping=-1,this._maxHdcpLevel=null,this.abrController=void 0,this.bufferController=void 0,this.capLevelController=void 0,this.latencyController=void 0,this.levelController=void 0,this.streamController=void 0,this.audioStreamController=void 0,this.subtititleStreamController=void 0,this.audioTrackController=void 0,this.subtitleTrackController=void 0,this.interstitialsController=void 0,this.gapController=void 0,this.emeController=void 0,this.cmcdController=void 0,this._media=null,this._url=null,this._sessionId=void 0,this.triggeringException=void 0,this.started=!1;var r=this.logger=H(t.debug||!1,"Hls instance",t.assetPlayerId),i=this.config=function(e,t,r){if((t.liveSyncDurationCount||t.liveMaxLatencyDurationCount)&&(t.liveSyncDuration||t.liveMaxLatencyDuration))throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");if(void 0!==t.liveMaxLatencyDurationCount&&(void 0===t.liveSyncDurationCount||t.liveMaxLatencyDurationCount<=t.liveSyncDurationCount))throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be greater than "liveSyncDurationCount"');if(void 0!==t.liveMaxLatencyDuration&&(void 0===t.liveSyncDuration||t.liveMaxLatencyDuration<=t.liveSyncDuration))throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be greater than "liveSyncDuration"');var i=pl(e),n=["TimeOut","MaxRetry","RetryDelay","MaxRetryTimeout"];return["manifest","level","frag"].forEach((function(e){var a=("level"===e?"playlist":e)+"LoadPolicy",s=void 0===t[a],o=[];n.forEach((function(r){var n=e+"Loading"+r,l=t[n];if(void 0!==l&&s){o.push(n);var u=i[a].default;switch(t[a]={default:u},r){case"TimeOut":u.maxLoadTimeMs=l,u.maxTimeToFirstByteMs=l;break;case"MaxRetry":u.errorRetry.maxNumRetry=l,u.timeoutRetry.maxNumRetry=l;break;case"RetryDelay":u.errorRetry.retryDelayMs=l,u.timeoutRetry.retryDelayMs=l;break;case"MaxRetryTimeout":u.errorRetry.maxRetryDelayMs=l,u.timeoutRetry.maxRetryDelayMs=l}}})),o.length&&r.warn('hls.js config: "'+o.join('", "')+'" setting(s) are deprecated, use "'+a+'": '+ut(t[a]))})),d(d({},i),t)}(e.DefaultConfig,t,r);this.userConfig=t,i.progressive&&yl(i,r);var n=i.abrController,a=i.bufferController,s=i.capLevelController,o=i.errorController,l=i.fpsController,u=new o(this),h=this.abrController=new n(this),f=new jt(this),c=i.interstitialsController,g=c?this.interstitialsController=new c(this,e):null,v=this.bufferController=new a(this,f),m=this.capLevelController=new s(this),p=new l(this),y=new Nl(this),T=i.contentSteeringController,S=T?new T(this):null,A=this.levelController=new Dl(this,S),L=new kl(this),I=new Ol(this.config,this.logger),R=this.streamController=new wl(this,f,I),k=this.gapController=new El(this,f);m.setStreamController(R),p.setStreamController(R);var D=[y,A,R];g&&D.splice(1,0,g),S&&D.splice(1,0,S),this.networkControllers=D;var _=[h,v,k,m,p,L,f];this.audioTrackController=this.createController(i.audioTrackController,D);var P=i.audioStreamController;P&&D.push(this.audioStreamController=new P(this,f,I)),this.subtitleTrackController=this.createController(i.subtitleTrackController,D);var C=i.subtitleStreamController;C&&D.push(this.subtititleStreamController=new C(this,f,I)),this.createController(i.timelineController,_),I.emeController=this.emeController=this.createController(i.emeController,_),this.cmcdController=this.createController(i.cmcdController,_),this.latencyController=this.createController(bl,_),this.coreComponents=_,D.push(u);var w=u.onErrorOut;"function"==typeof w&&this.on(b.ERROR,w,u),this.on(b.MANIFEST_LOADED,y.onManifestLoaded,y)}e.isMSESupported=function(){return Cl()},e.isSupported=function(){return function(){if(!Cl())return!1;var e=W();return"function"==typeof(null==e?void 0:e.isTypeSupported)&&(["avc1.42E01E,mp4a.40.2","av01.0.01M.08","vp09.00.50.08"].some((function(t){return e.isTypeSupported(Fe(t,"video"))}))||["mp4a.40.2","fLaC"].some((function(t){return e.isTypeSupported(Fe(t,"audio"))})))}()},e.getMediaSource=function(){return W()};var t=e.prototype;return t.createController=function(e,t){if(e){var r=new e(this);return t&&t.push(r),r}return null},t.on=function(e,t,r){void 0===r&&(r=this),this._emitter.on(e,t,r)},t.once=function(e,t,r){void 0===r&&(r=this),this._emitter.once(e,t,r)},t.removeAllListeners=function(e){this._emitter.removeAllListeners(e)},t.off=function(e,t,r,i){void 0===r&&(r=this),this._emitter.off(e,t,r,i)},t.listeners=function(e){return this._emitter.listeners(e)},t.emit=function(e,t,r){return this._emitter.emit(e,t,r)},t.trigger=function(e,t){if(this.config.debug)return this.emit(e,e,t);try{return this.emit(e,e,t)}catch(t){if(this.logger.error("An internal error happened while handling event "+e+'. Error message: "'+t.message+'". Here is a stacktrace:',t),!this.triggeringException){this.triggeringException=!0;var r=e===b.ERROR;this.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.INTERNAL_EXCEPTION,fatal:r,event:e,error:t}),this.triggeringException=!1}}return!1},t.listenerCount=function(e){return this._emitter.listenerCount(e)},t.destroy=function(){this.logger.log("destroy"),this.trigger(b.DESTROYING,void 0),this.detachMedia(),this.removeAllListeners(),this._autoLevelCapping=-1,this._url=null,this.networkControllers.forEach((function(e){return e.destroy()})),this.networkControllers.length=0,this.coreComponents.forEach((function(e){return e.destroy()})),this.coreComponents.length=0;var e=this.config;e.xhrSetup=e.fetchSetup=void 0,this.userConfig=null},t.attachMedia=function(e){if(!e||"media"in e&&!e.media){var t=new Error("attachMedia failed: invalid argument ("+e+")");this.trigger(b.ERROR,{type:R.OTHER_ERROR,details:k.ATTACH_MEDIA_ERROR,fatal:!0,error:t})}else{this.logger.log("attachMedia"),this._media&&(this.logger.warn("media must be detached before attaching"),this.detachMedia());var r="media"in e,i=r?e.media:e,n=r?e:{media:i};this._media=i,this.trigger(b.MEDIA_ATTACHING,n)}},t.detachMedia=function(){this.logger.log("detachMedia"),this.trigger(b.MEDIA_DETACHING,{}),this._media=null},t.transferMedia=function(){this._media=null;var e=this.bufferController.transferMedia();return this.trigger(b.MEDIA_DETACHING,{transferMedia:e}),e},t.loadSource=function(e){this.stopLoad();var t=this.media,r=this._url,i=this._url=S.buildAbsoluteURL(self.location.href,e,{alwaysNormalize:!0});this._autoLevelCapping=-1,this._maxHdcpLevel=null,this.logger.log("loadSource:"+i),t&&r&&(r!==i||this.bufferController.hasSourceTypes())&&(this.detachMedia(),this.attachMedia(t)),this.trigger(b.MANIFEST_LOADING,{url:e})},t.startLoad=function(e,t){void 0===e&&(e=-1),this.logger.log("startLoad("+e+(t?", ":"")+")"),this.started=!0,this.resumeBuffering();for(var r=0;r-1?this.abrController.forcedAutoLevel:e},set:function(e){this.logger.log("set startLevel:"+e),-1!==e&&(e=Math.max(e,this.minAutoLevel)),this.levelController.startLevel=e}},{key:"capLevelToPlayerSize",get:function(){return this.config.capLevelToPlayerSize},set:function(e){var t=!!e;t!==this.config.capLevelToPlayerSize&&(t?this.capLevelController.startCapping():(this.capLevelController.stopCapping(),this.autoLevelCapping=-1,this.streamController.nextLevelSwitch()),this.config.capLevelToPlayerSize=t)}},{key:"autoLevelCapping",get:function(){return this._autoLevelCapping},set:function(e){this._autoLevelCapping!==e&&(this.logger.log("set autoLevelCapping:"+e),this._autoLevelCapping=e,this.levelController.checkMaxAutoUpdated())}},{key:"bandwidthEstimate",get:function(){var e=this.abrController.bwEstimator;return e?e.getEstimate():NaN},set:function(e){this.abrController.resetEstimator(e)}},{key:"abrEwmaDefaultEstimate",get:function(){var e=this.abrController.bwEstimator;return e?e.defaultEstimate:NaN}},{key:"ttfbEstimate",get:function(){var e=this.abrController.bwEstimator;return e?e.getEstimateTTFB():NaN}},{key:"maxHdcpLevel",get:function(){return this._maxHdcpLevel},set:function(e){(function(e){return Je.indexOf(e)>-1})(e)&&this._maxHdcpLevel!==e&&(this._maxHdcpLevel=e,this.levelController.checkMaxAutoUpdated())}},{key:"autoLevelEnabled",get:function(){return-1===this.levelController.manualLevel}},{key:"manualLevel",get:function(){return this.levelController.manualLevel}},{key:"minAutoLevel",get:function(){var e=this.levels,t=this.config.minAutoBitrate;if(!e)return 0;for(var r=e.length,i=0;i=t)return i;return 0}},{key:"maxAutoLevel",get:function(){var e,t=this.levels,r=this.autoLevelCapping,i=this.maxHdcpLevel;if(e=-1===r&&null!=t&&t.length?t.length-1:r,i)for(var n=e;n--;){var a=t[n].attrs["HDCP-LEVEL"];if(a&&a<=i)return n}return e}},{key:"firstAutoLevel",get:function(){return this.abrController.firstAutoLevel}},{key:"nextAutoLevel",get:function(){return this.abrController.nextAutoLevel},set:function(e){this.abrController.nextAutoLevel=e}},{key:"playingDate",get:function(){return this.streamController.currentProgramDateTime}},{key:"mainForwardBufferInfo",get:function(){return this.streamController.getMainFwdBufferInfo()}},{key:"maxBufferLength",get:function(){return this.streamController.maxBufferLength}},{key:"allAudioTracks",get:function(){var e=this.audioTrackController;return e?e.allAudioTracks:[]}},{key:"audioTracks",get:function(){var e=this.audioTrackController;return e?e.audioTracks:[]}},{key:"audioTrack",get:function(){var e=this.audioTrackController;return e?e.audioTrack:-1},set:function(e){var t=this.audioTrackController;t&&(t.audioTrack=e)}},{key:"allSubtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.allSubtitleTracks:[]}},{key:"subtitleTracks",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTracks:[]}},{key:"subtitleTrack",get:function(){var e=this.subtitleTrackController;return e?e.subtitleTrack:-1},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleTrack=e)}},{key:"media",get:function(){return this._media}},{key:"subtitleDisplay",get:function(){var e=this.subtitleTrackController;return!!e&&e.subtitleDisplay},set:function(e){var t=this.subtitleTrackController;t&&(t.subtitleDisplay=e)}},{key:"lowLatencyMode",get:function(){return this.config.lowLatencyMode},set:function(e){this.config.lowLatencyMode=e}},{key:"liveSyncPosition",get:function(){return this.latencyController.liveSyncPosition}},{key:"latency",get:function(){return this.latencyController.latency}},{key:"maxLatency",get:function(){return this.latencyController.maxLatency}},{key:"targetLatency",get:function(){return this.latencyController.targetLatency},set:function(e){this.latencyController.targetLatency=e}},{key:"drift",get:function(){return this.latencyController.drift}},{key:"forceStartLoad",get:function(){return this.streamController.forceStartLoad}},{key:"pathways",get:function(){return this.levelController.pathways}},{key:"pathwayPriority",get:function(){return this.levelController.pathwayPriority},set:function(e){this.levelController.pathwayPriority=e}},{key:"bufferedToEnd",get:function(){var e;return!(null==(e=this.bufferController)||!e.bufferedToEnd)}},{key:"interstitialsManager",get:function(){var e;return(null==(e=this.interstitialsController)?void 0:e.interstitialsManager)||null}}],[{key:"version",get:function(){return ca}},{key:"Events",get:function(){return b}},{key:"MetadataSchema",get:function(){return rn}},{key:"ErrorTypes",get:function(){return R}},{key:"ErrorDetails",get:function(){return k}},{key:"DefaultConfig",get:function(){return e.defaultConfig?e.defaultConfig:ml},set:function(t){e.defaultConfig=t}}])}();return Ul.defaultConfig=void 0,Ul},"object"==typeof exports&&"undefined"!=typeof module?module.exports=i():"function"==typeof define&&define.amd?define(i):(r="undefined"!=typeof globalThis?globalThis:r||self).Hls=i()}(!1);
+//# sourceMappingURL=hls.min.js.map
diff --git a/pip/hls_writer.c b/pip/hls_writer.c
new file mode 100644
index 0000000..ef37c6b
--- /dev/null
+++ b/pip/hls_writer.c
@@ -0,0 +1,348 @@
+/**
+ *  hls_writer.c
+ *  PiP
+ *
+ *  HLS playlist generator and segment manager implementation.
+ *  Uses a fixed-size ring buffer to store MPEG-TS segments and generates
+ *  live HLS .m3u8 playlists. All public functions are thread-safe using
+ *  a pthread mutex.
+ */
+
+#include "hls_writer.h"
+#include 
+#include 
+#include 
+#include 
+
+/* ------------------------------------------------------------------ */
+/* Ring buffer segment entry                                           */
+/* ------------------------------------------------------------------ */
+
+typedef struct {
+    uint8_t  *data;      /* copied segment data (malloc'd) */
+    size_t    size;      /* segment size in bytes */
+    double    duration;  /* segment duration in seconds */
+    uint64_t  index;     /* segment index from the TS muxer */
+    int       valid;     /* non-zero if this slot contains data */
+} hls_segment_entry_t;
+
+/* ------------------------------------------------------------------ */
+/* Writer state structure                                              */
+/* ------------------------------------------------------------------ */
+
+struct hls_writer_s {
+    /* Ring buffer of segment entries */
+    hls_segment_entry_t *segments;
+    int max_segments;       /* capacity of the ring buffer */
+    int playlist_size;      /* max segments to list in the .m3u8 playlist */
+    int write_pos;          /* next slot to write into (circular) */
+    int count;              /* number of valid segments currently stored */
+
+    /* HLS playlist parameters */
+    int target_duration;    /* EXT-X-TARGETDURATION value in seconds */
+
+    /* Thread safety */
+    pthread_mutex_t lock;
+};
+
+/* ------------------------------------------------------------------ */
+/* Public API                                                          */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Create an HLS writer instance.
+ * @param max_segments    Maximum number of segments to keep in the ring buffer
+ * @param playlist_size   Maximum number of segments to list in the .m3u8 playlist (must be <= max_segments)
+ * @param target_duration Target segment duration in seconds (for EXT-X-TARGETDURATION)
+ * @return New writer instance, or NULL on allocation failure
+ */
+hls_writer_t *
+hls_writer_create(int max_segments, int playlist_size, int target_duration)
+{
+    if (max_segments <= 0 || target_duration <= 0 || playlist_size <= 0) {
+        return NULL;
+    }
+
+    if (playlist_size > max_segments) {
+        playlist_size = max_segments;
+    }
+
+    hls_writer_t *writer = calloc(1, sizeof(hls_writer_t));
+    if (!writer) {
+        return NULL;
+    }
+
+    writer->segments = calloc((size_t)max_segments, sizeof(hls_segment_entry_t));
+    if (!writer->segments) {
+        free(writer);
+        return NULL;
+    }
+
+    writer->max_segments = max_segments;
+    writer->playlist_size = playlist_size;
+    writer->write_pos = 0;
+    writer->count = 0;
+    writer->target_duration = target_duration;
+
+    if (pthread_mutex_init(&writer->lock, NULL) != 0) {
+        free(writer->segments);
+        free(writer);
+        return NULL;
+    }
+
+    return writer;
+} // end of function hls_writer_create()
+
+/**
+ * Destroy a writer instance and free all resources.
+ * @param writer The writer instance (may be NULL)
+ */
+void
+hls_writer_destroy(hls_writer_t *writer)
+{
+    if (!writer) {
+        return;
+    }
+
+    /* Free all segment data in the ring buffer */
+    for (int i = 0; i < writer->max_segments; i++) {
+        if (writer->segments[i].valid && writer->segments[i].data) {
+            free(writer->segments[i].data);
+            writer->segments[i].data = NULL;
+        }
+    } // end of loop freeing segment data
+
+    free(writer->segments);
+    writer->segments = NULL;
+
+    pthread_mutex_destroy(&writer->lock);
+
+    free(writer);
+} // end of function hls_writer_destroy()
+
+/**
+ * Add a new segment to the ring buffer. If the buffer is full, the oldest
+ * segment is evicted. This function copies the segment data.
+ * Thread-safe: can be called from the muxer thread while HTTP serves.
+ * @param writer   The writer instance
+ * @param data     Segment data (will be copied)
+ * @param size     Size of segment data in bytes
+ * @param duration Duration of the segment in seconds
+ * @param index    Segment index from the TS muxer
+ */
+void
+hls_writer_add_segment(hls_writer_t *writer, uint8_t *data, size_t size,
+                       double duration, uint64_t index)
+{
+    if (!writer || !data || size == 0) {
+        return;
+    }
+
+    /* Allocate a copy of the segment data before locking */
+    uint8_t *data_copy = malloc(size);
+    if (!data_copy) {
+        return;
+    }
+    memcpy(data_copy, data, size);
+
+    pthread_mutex_lock(&writer->lock);
+
+    /* Get the current write slot */
+    hls_segment_entry_t *slot = &writer->segments[writer->write_pos];
+
+    /* If the slot is occupied, free the old segment data */
+    if (slot->valid && slot->data) {
+        free(slot->data);
+        slot->data = NULL;
+    }
+
+    /* Store the new segment */
+    slot->data = data_copy;
+    slot->size = size;
+    slot->duration = duration;
+    slot->index = index;
+    slot->valid = 1;
+
+    /* Advance the write position circularly */
+    writer->write_pos = (writer->write_pos + 1) % writer->max_segments;
+
+    /* Track the number of valid segments */
+    if (writer->count < writer->max_segments) {
+        writer->count++;
+    }
+
+    pthread_mutex_unlock(&writer->lock);
+} // end of function hls_writer_add_segment()
+
+/**
+ * Generate the current HLS playlist (.m3u8) as a string.
+ * Thread-safe. Caller must free the returned string.
+ *
+ * Produces a live HLS playlist (no EXT-X-ENDLIST) with format:
+ *   #EXTM3U
+ *   #EXT-X-VERSION:3
+ *   #EXT-X-TARGETDURATION:{target_duration}
+ *   #EXT-X-MEDIA-SEQUENCE:{oldest_segment_index}
+ *   #EXTINF:{duration},
+ *   segment_{index}.ts
+ *   ...
+ *
+ * @param writer The writer instance
+ * @return Allocated m3u8 playlist string, or NULL on failure
+ */
+char *
+hls_writer_get_playlist(hls_writer_t *writer)
+{
+    if (!writer) {
+        return NULL;
+    }
+
+    pthread_mutex_lock(&writer->lock);
+
+    if (writer->count == 0) {
+        pthread_mutex_unlock(&writer->lock);
+        return NULL;
+    }
+
+    /* Only list the most recent playlist_size segments (not all buffered segments).
+       The ring buffer may hold more segments as a safety margin so that recently-
+       removed playlist entries are still available for slow clients. */
+    int list_count = writer->count;
+    if (list_count > writer->playlist_size) {
+        list_count = writer->playlist_size;
+    }
+
+    /* Estimate buffer size: header ~128 bytes + ~50 bytes per segment entry */
+    size_t buf_size = 128 + (size_t)list_count * 50;
+    char *playlist = malloc(buf_size);
+    if (!playlist) {
+        pthread_mutex_unlock(&writer->lock);
+        return NULL;
+    }
+
+    /* Determine the read position for the OLDEST segment we want to list.
+       write_pos points to the next slot to be overwritten (oldest in buffer when full).
+       We want the most recent list_count segments, so we start from (write_pos - list_count). */
+    int oldest_buf_pos;
+    if (writer->count < writer->max_segments) {
+        oldest_buf_pos = 0;
+    } else {
+        oldest_buf_pos = writer->write_pos;
+    }
+    /* Skip ahead to only list the most recent list_count segments */
+    int skip = writer->count - list_count;
+    int read_pos = (oldest_buf_pos + skip) % writer->max_segments;
+
+    /* Find the media sequence number (index of the oldest listed segment) */
+    uint64_t media_sequence = writer->segments[read_pos].index;
+
+    /* Compute the actual maximum segment duration (rounded up) among listed segments.
+       HLS spec requires EXT-X-TARGETDURATION >= ceil(max segment duration). */
+    int actual_target = writer->target_duration;
+    for (int i = 0; i < list_count; i++) {
+        int slot_idx = (read_pos + i) % writer->max_segments;
+        hls_segment_entry_t *entry = &writer->segments[slot_idx];
+        if (entry->valid) {
+            int dur_ceil = (int)(entry->duration + 0.999);
+            if (dur_ceil > actual_target) {
+                actual_target = dur_ceil;
+            }
+        }
+    } // end of loop computing actual target duration
+
+    /* Write playlist header */
+    int offset = snprintf(playlist, buf_size,
+                          "#EXTM3U\n"
+                          "#EXT-X-VERSION:3\n"
+                          "#EXT-X-TARGETDURATION:%d\n"
+                          "#EXT-X-MEDIA-SEQUENCE:%llu\n",
+                          actual_target,
+                          (unsigned long long)media_sequence);
+
+    /* Write segment entries in order from oldest to newest (only the listed subset) */
+    for (int i = 0; i < list_count; i++) {
+        int slot_idx = (read_pos + i) % writer->max_segments;
+        hls_segment_entry_t *entry = &writer->segments[slot_idx];
+
+        if (!entry->valid) {
+            continue;
+        }
+
+        int remaining = (int)buf_size - offset;
+        if (remaining <= 0) {
+            break;
+        }
+
+        offset += snprintf(playlist + offset, (size_t)remaining,
+                           "#EXTINF:%.3f,\n"
+                           "segment_%llu.ts\n",
+                           entry->duration,
+                           (unsigned long long)entry->index);
+    } // end of loop writing segment entries
+
+    pthread_mutex_unlock(&writer->lock);
+
+    return playlist;
+} // end of function hls_writer_get_playlist()
+
+/**
+ * Retrieve a segment by its index.
+ * Thread-safe. Returns a malloc'd copy of the segment data so it remains
+ * valid even if the ring buffer evicts the original. Caller must free *data.
+ * @param writer The writer instance
+ * @param index  Segment index to retrieve
+ * @param data   Output pointer to segment data copy (caller must free)
+ * @param size   Output pointer to segment size
+ * @return 0 on success, -1 if segment not found
+ */
+int
+hls_writer_get_segment(hls_writer_t *writer, uint64_t index,
+                       uint8_t **data, size_t *size)
+{
+    if (!writer || !data || !size) {
+        return -1;
+    }
+
+    pthread_mutex_lock(&writer->lock);
+
+    /* Search the ring buffer for a segment matching the requested index */
+    for (int i = 0; i < writer->max_segments; i++) {
+        hls_segment_entry_t *entry = &writer->segments[i];
+        if (entry->valid && entry->index == index) {
+            /* Copy the data while holding the lock to prevent use-after-free
+               if the muxer thread evicts this segment concurrently */
+            uint8_t *copy = malloc(entry->size);
+            if (!copy) {
+                pthread_mutex_unlock(&writer->lock);
+                return -1;
+            }
+            memcpy(copy, entry->data, entry->size);
+            *data = copy;
+            *size = entry->size;
+            pthread_mutex_unlock(&writer->lock);
+            return 0;
+        }
+    } // end of loop searching for segment by index
+
+    pthread_mutex_unlock(&writer->lock);
+    return -1;
+} // end of function hls_writer_get_segment()
+
+/**
+ * Get the number of currently stored segments.
+ * @param writer The writer instance
+ * @return Number of segments in the ring buffer
+ */
+int
+hls_writer_segment_count(hls_writer_t *writer)
+{
+    if (!writer) {
+        return 0;
+    }
+
+    pthread_mutex_lock(&writer->lock);
+    int count = writer->count;
+    pthread_mutex_unlock(&writer->lock);
+
+    return count;
+} // end of function hls_writer_segment_count()
diff --git a/pip/hls_writer.h b/pip/hls_writer.h
new file mode 100644
index 0000000..056adda
--- /dev/null
+++ b/pip/hls_writer.h
@@ -0,0 +1,80 @@
+/**
+ *  hls_writer.h
+ *  PiP
+ *
+ *  HLS playlist generator and segment manager. Maintains a rolling window
+ *  of MPEG-TS segments in a ring buffer and generates live HLS .m3u8
+ *  playlists on demand. Designed to receive segments from the TS muxer
+ *  callback and serve them to the HTTP server.
+ */
+
+#ifndef HLS_WRITER_H
+#define HLS_WRITER_H
+
+#include 
+#include 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct hls_writer_s hls_writer_t;
+
+/**
+ * Create an HLS writer instance.
+ * @param max_segments    Maximum number of segments to keep in the ring buffer
+ * @param playlist_size   Maximum number of segments to list in the .m3u8 playlist (must be <= max_segments)
+ * @param target_duration Target segment duration in seconds (for EXT-X-TARGETDURATION)
+ * @return New writer instance, or NULL on allocation failure
+ */
+hls_writer_t *hls_writer_create(int max_segments, int playlist_size, int target_duration);
+
+/**
+ * Destroy a writer instance and free all resources.
+ * @param writer The writer instance (may be NULL)
+ */
+void hls_writer_destroy(hls_writer_t *writer);
+
+/**
+ * Add a new segment to the ring buffer. If the buffer is full, the oldest
+ * segment is evicted. This function copies the segment data.
+ * Thread-safe: can be called from the muxer thread while HTTP serves.
+ * @param writer   The writer instance
+ * @param data     Segment data (will be copied)
+ * @param size     Size of segment data in bytes
+ * @param duration Duration of the segment in seconds
+ * @param index    Segment index from the TS muxer
+ */
+void hls_writer_add_segment(hls_writer_t *writer, uint8_t *data, size_t size, double duration, uint64_t index);
+
+/**
+ * Generate the current HLS playlist (.m3u8) as a string.
+ * Thread-safe. Caller must free the returned string.
+ * @param writer The writer instance
+ * @return Allocated m3u8 playlist string, or NULL on failure
+ */
+char *hls_writer_get_playlist(hls_writer_t *writer);
+
+/**
+ * Retrieve a segment by its index.
+ * Thread-safe. Returns a malloc'd copy of the segment data that the caller must free.
+ * @param writer The writer instance
+ * @param index  Segment index to retrieve
+ * @param data   Output pointer to segment data copy (caller must free)
+ * @param size   Output pointer to segment size
+ * @return 0 on success, -1 if segment not found
+ */
+int hls_writer_get_segment(hls_writer_t *writer, uint64_t index, uint8_t **data, size_t *size);
+
+/**
+ * Get the number of currently stored segments.
+ * @param writer The writer instance
+ * @return Number of segments in the ring buffer
+ */
+int hls_writer_segment_count(hls_writer_t *writer);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HLS_WRITER_H */
diff --git a/pip/imageRenderer.h b/pip/imageRenderer.h
index d789eff..c0138c0 100644
--- a/pip/imageRenderer.h
+++ b/pip/imageRenderer.h
@@ -10,6 +10,9 @@
 #define imageRenderer_h
 
 #import 
+#import 
+
+id getSharedMTLDevice(void);
 
 @protocol ImageRendererDelegate 
 - (void)onResize:(CGSize)size andAspectRatio:(CGSize) ar;
diff --git a/pip/info.plist b/pip/info.plist
index 70a861b..faadf74 100644
--- a/pip/info.plist
+++ b/pip/info.plist
@@ -18,5 +18,7 @@
 	True
 	NSCameraUsageDescription
 	This app needs access to your camera to capture video
+	NSMicrophoneUsageDescription
+	This app needs access to your microphone to capture audio from your camera
 
 
diff --git a/pip/main.m b/pip/main.m
index ead0ab2..06bbd61 100644
--- a/pip/main.m
+++ b/pip/main.m
@@ -8,13 +8,13 @@
 
 #import "window.h"
 #import "preferences.h"
+#import "stream_manager.h"
 #import 
+#import 
 #ifndef NO_AIRPLAY
 #import "airplaySender.h"
 #endif
 
-extern int windowCount;
-
 #define ADD_SEP() [menu addItem:[NSMenuItem separatorItem]]
 #define INIT_MENU(title) {menu = [[NSMenu alloc] initWithTitle:title]; NSMenuItem* item = [[NSMenuItem alloc] init];[item setSubmenu:menu];[menubar addItem:item];}
 #define ADD_ITEM(title, sel, key) [menu addItem:[[NSMenuItem alloc] initWithTitle:title action:@selector(sel) keyEquivalent:key]]
@@ -31,10 +31,40 @@
 #define ADD_SCALE_ITEM(scale) [self addScaleMenuItemWithTitle:@"Scale " STRINGIFY(scale) keyEquivalent:@ STRINGIFY(scale) mask:NO andScale:100 * scale toMenu:menu];
 #define ADD_SCALE_ITEM_INVERSE(scale) [self addScaleMenuItemWithTitle:@"Scale 1/" STRINGIFY(scale) keyEquivalent:@ STRINGIFY(scale) mask:YES andScale:100 / scale toMenu:menu];
 
+/**
+ * Returns the shared Metal device for the application.
+ * Creates it on first access using dispatch_once for thread safety.
+ * All windows should use this device instead of creating their own.
+ * @return The shared MTLDevice instance
+ */
+id getSharedMTLDevice(void){
+  static id sharedMTLDevice = nil;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    sharedMTLDevice = MTLCreateSystemDefaultDevice();
+  });
+  return sharedMTLDevice;
+} // End of getSharedMTLDevice()
+
+@class MyApplicationDelegate;
+
+@interface WindowManagerPanel : NSPanel
+@property (nonatomic, strong) NSTableView* tableView;
+@property (nonatomic, strong) NSMutableArray* windowList;
+@property (nonatomic, weak) MyApplicationDelegate* appDelegate;
+@property (nonatomic, strong) NSTimer* refreshTimer;
+- (id)initWithAppDelegate:(MyApplicationDelegate*)delegate;
+- (void)refreshWindowList;
+@end
+
+static WindowManagerPanel* windowManagerPanel = nil;
+
 @interface MyApplicationDelegate : NSObject  {
   NSApplication* app;
   NSMenuItem* windowMenuItem;
   boolean_t clickThroughState;
+  bool maxWindowsAlertShown;
+  bool performanceWarningShown;
 }
 @end
 
@@ -58,7 +88,9 @@ -(id)initWithApp:(NSApplication*) application{
 
   INIT_MENU(@"File");
   ADD_ITEM(@"New", newWindow, @"n");
+  ADD_ITEM_MASK(@"Clone Window", cloneCurrentWindow, @"n", NSEventModifierFlagCommand | NSEventModifierFlagShift);
   ADD_ITEM(@"Stream HLS", loadHLSStream:, @"l");
+  ADD_ITEM_MASK(@"Start Streaming", startStreamCurrentWindow, @"s", NSEventModifierFlagCommand | NSEventModifierFlagShift);
   ADD_ITEM(@"Click Through", clickThrough:, @"c");
   ADD_ITEM(@"Close", performClose:, @"w");
 
@@ -89,8 +121,16 @@ -(id)initWithApp:(NSApplication*) application{
   ADD_ITEM(@"Join all spaces", togglePin, @"j");
   ADD_ITEM(@"Bring All to Front", arrangeInFront:, @"");
   ADD_ITEM(@"Toggle Native PiP", toggleNativePip, @"p");
+  ADD_SEP();
+  ADD_ITEM(@"Arrange in Grid", arrangeInGrid, @"g");
+  ADD_ITEM(@"Cascade", arrangeInCascade, @"");
+  ADD_SEP();
+  ADD_ITEM_MASK(@"Close All Windows", closeAllWindows, @"w", NSEventModifierFlagCommand | NSEventModifierFlagOption);
+  ADD_SEP();
+  ADD_ITEM_MASK(@"Window Manager", showWindowManager, @"m", NSEventModifierFlagCommand | NSEventModifierFlagOption);
 
   [app setMainMenu:menubar];
+  [app setWindowsMenu:menu];
 
   [app setDelegate:self];
   return self;
@@ -120,12 +160,124 @@ - (void) getActiveWindow: (void (^)(Window* window))cb{
   if(currentWindow) cb((Window*)currentWindow);
 }
 
+/**
+ * Creates a new PiP window, respecting the max windows preference.
+ * If "clone current" behavior is selected, copies the source from the frontmost window.
+ * @return The new Window, or nil if max windows limit was reached
+ */
 - (NSWindow*) newWindow{
+  // Check max windows limit
+  // max_windows preference index: 0=2, 1=4, 2=6, 3=8, 4=10
+  NSInteger maxIdx = [(NSNumber*)getPref(@"max_windows") intValue];
+  NSInteger maxWindows = (maxIdx + 1) * 2;
+  NSArray* currentWindows = [self allPipWindows];
+  if((NSInteger)currentWindows.count >= maxWindows){
+    if(!maxWindowsAlertShown){
+      maxWindowsAlertShown = true;
+      NSAlert* alert = [[NSAlert alloc] init];
+      [alert setMessageText:@"Window limit reached"];
+      [alert setInformativeText:[NSString stringWithFormat:@"Maximum of %ld windows reached. You can change the limit in Preferences.", (long)maxWindows]];
+      [alert addButtonWithTitle:@"OK"];
+      [alert addButtonWithTitle:@"Preferences..."];
+      NSModalResponse response = [alert runModal];
+      if(response == NSAlertSecondButtonReturn){
+        [self showPreferencePanel:self];
+      }
+    } else {
+      NSBeep();
+    }
+    return nil;
+  }
+
+  // Show performance warning once when opening the 6th+ window
+  if(!performanceWarningShown && (NSInteger)currentWindows.count >= 5){
+    performanceWarningShown = true;
+    NSAlert* alert = [[NSAlert alloc] init];
+    [alert setMessageText:@"Performance warning"];
+    [alert setInformativeText:@"Many windows open. Performance may be affected."];
+    [alert addButtonWithTitle:@"OK"];
+    [alert setAlertStyle:NSAlertStyleInformational];
+    [alert runModal];
+  }
+
   NSWindow* window = [[Window alloc] initWithAirplay: false andTitle:nil];
   [window makeKeyAndOrderFront:self];
   [window setIgnoresMouseEvents:clickThroughState];
+
+  // If "clone current" behavior is selected, copy the source from the previous key window
+  NSInteger newWindowBehavior = [(NSNumber*)getPref(@"new_window_behavior") intValue];
+  if(newWindowBehavior == 1 && currentWindows.count > 0){
+    // Find the frontmost PiP window (the one that was key before this new one)
+    Window* sourceWindow = nil;
+    for(Window* w in currentWindows){
+      if([w isVisible]){
+        sourceWindow = w;
+        break;
+      }
+    } // End of loop to find source window for cloning
+    if(sourceWindow){
+      [sourceWindow cloneSourceToWindow:(Window*)window];
+    }
+  }
+
   return window;
-}
+} // End of newWindow
+
+/**
+ * Clones the frontmost PiP window's source into a new window.
+ * Shows an alert if the source is a camera (can't be shared).
+ */
+- (void) cloneCurrentWindow{
+  // Check max windows limit
+  NSInteger maxIdx = [(NSNumber*)getPref(@"max_windows") intValue];
+  NSInteger maxWindows = (maxIdx + 1) * 2;
+  NSArray* currentWindows = [self allPipWindows];
+  if((NSInteger)currentWindows.count >= maxWindows){
+    if(!maxWindowsAlertShown){
+      maxWindowsAlertShown = true;
+      NSAlert* alert = [[NSAlert alloc] init];
+      [alert setMessageText:@"Window limit reached"];
+      [alert setInformativeText:[NSString stringWithFormat:@"Maximum of %ld windows reached. You can change the limit in Preferences.", (long)maxWindows]];
+      [alert addButtonWithTitle:@"OK"];
+      [alert addButtonWithTitle:@"Preferences..."];
+      NSModalResponse response = [alert runModal];
+      if(response == NSAlertSecondButtonReturn){
+        [self showPreferencePanel:self];
+      }
+    } else {
+      NSBeep();
+    }
+    return;
+  }
+
+  // Find the frontmost PiP window to clone from
+  __block Window* sourceWindow = nil;
+  [self getActiveWindow:^(Window* window){
+    sourceWindow = window;
+  }];
+
+  if(!sourceWindow){
+    [self newWindow];
+    return;
+  }
+
+  // Create new window and attempt clone
+  NSWindow* newWin = [[Window alloc] initWithAirplay:false andTitle:nil];
+  [newWin makeKeyAndOrderFront:self];
+  [newWin setIgnoresMouseEvents:clickThroughState];
+
+  BOOL cloned = [sourceWindow cloneSourceToWindow:(Window*)newWin];
+  if(!cloned){
+    // If clone failed (camera or no source), show alert for camera
+    if([[sourceWindow sourceType] isEqualToString:@"Camera"]){
+      NSAlert* alert = [[NSAlert alloc] init];
+      [alert setMessageText:@"Cannot clone"];
+      [alert setInformativeText:@"Camera sources cannot be shared between windows. Right-click to select a different source."];
+      [alert addButtonWithTitle:@"OK"];
+      [alert runModal];
+    }
+  }
+} // End of cloneCurrentWindow
 
 - (void) hideAll{
   [app hide:self];
@@ -140,6 +292,167 @@ -(void) clickThrough:(id)sender{
   }
 }
 
+/**
+ * Start streaming on the active PiP window.
+ * Finds the frontmost PiP window and triggers streaming via its startStreamAction: method.
+ */
+- (void)startStreamCurrentWindow{
+  [self getActiveWindow:^(Window *window) {
+    [window startStreamAction:nil];
+  }];
+} // End of startStreamCurrentWindow
+
+/**
+ * Returns all PiP Window instances, including minimized/hidden ones.
+ * Used for counting (max windows) and closing all.
+ * @return Array of Window objects
+ */
+- (NSArray*) allPipWindows{
+  NSMutableArray* windows = [[NSMutableArray alloc] init];
+  for(NSWindow* window in [app windows]){
+    if([window isKindOfClass:[Window class]]) [windows addObject:(Window*)window];
+  }
+  return windows;
+} // End of allPipWindows
+
+/**
+ * Returns visible PiP Window instances only.
+ * Used for layout operations (grid, cascade).
+ * @return Array of visible Window objects
+ */
+- (NSArray*) visiblePipWindows{
+  NSMutableArray* windows = [[NSMutableArray alloc] init];
+  for(NSWindow* window in [app windows]){
+    if([window isKindOfClass:[Window class]] && [window isVisible]) [windows addObject:(Window*)window];
+  }
+  return windows;
+} // End of visiblePipWindows
+
+/**
+ * Closes all open PiP windows. The app will quit since applicationShouldTerminateAfterLastWindowClosed returns YES.
+ */
+- (void) closeAllWindows{
+  // Close preferences panel first so it doesn't keep the app alive
+  if(global_pref){
+    [global_pref close];
+  }
+  for(Window* window in [self allPipWindows]){
+    [window performClose:self];
+  }
+} // End of closeAllWindows
+
+/**
+ * Arranges all open PiP windows in a grid layout on the current screen.
+ * Uses the screen's visible frame to avoid menu bar and dock.
+ * Preserves each window's aspect ratio.
+ */
+- (void) arrangeInGrid{
+  NSArray* windows = [self visiblePipWindows];
+  NSInteger count = windows.count;
+  if(count == 0) return;
+
+  // Get visible frame from the first PiP window's screen (not keyWindow, which might be Preferences)
+  NSScreen* screen = [windows[0] screen];
+  if(!screen) screen = [NSScreen mainScreen];
+  NSRect visibleFrame = [screen visibleFrame];
+
+  if(count == 1){
+    // Single window: center without resizing
+    Window* win = windows[0];
+    NSRect winFrame = [win frame];
+    NSPoint center = NSMakePoint(
+      visibleFrame.origin.x + (visibleFrame.size.width - winFrame.size.width) / 2,
+      visibleFrame.origin.y + (visibleFrame.size.height - winFrame.size.height) / 2
+    );
+    [win setFrameOrigin:center];
+    return;
+  }
+
+  // Calculate grid dimensions
+  NSInteger cols = (NSInteger)ceil(sqrt((double)count));
+  NSInteger rows = (NSInteger)ceil((double)count / cols);
+
+  CGFloat cellW = visibleFrame.size.width / cols;
+  CGFloat cellH = visibleFrame.size.height / rows;
+
+  for(NSInteger i = 0; i < count; i++){
+    Window* win = windows[i];
+    NSInteger row = i / cols;
+    NSInteger col = i % cols;
+
+    // Flip row so first window is top-left (macOS has origin at bottom-left)
+    NSInteger flippedRow = rows - 1 - row;
+
+    // Scale window to fit within cell while preserving aspect ratio
+    NSSize winSize = [win frame].size;
+    CGFloat aspect = winSize.width / winSize.height;
+    CGFloat targetW = cellW - 4;  // 2px margin on each side
+    CGFloat targetH = cellH - 4;
+
+    if(targetW / targetH > aspect){
+      targetW = targetH * aspect;
+    } else {
+      targetH = targetW / aspect;
+    }
+
+    // Enforce minimum size
+    NSSize minSize = [win minSize];
+    if(targetW < minSize.width) targetW = minSize.width;
+    if(targetH < minSize.height) targetH = minSize.height;
+
+    // Center within cell
+    CGFloat x = visibleFrame.origin.x + col * cellW + (cellW - targetW) / 2;
+    CGFloat y = visibleFrame.origin.y + flippedRow * cellH + (cellH - targetH) / 2;
+
+    [win setFrame:NSMakeRect(x, y, targetW, targetH) display:YES animate:YES];
+  } // End of loop through windows for grid layout
+} // End of arrangeInGrid
+
+/**
+ * Arranges all open PiP windows in a cascade layout, offset diagonally.
+ * Wraps back to start if cascade goes off-screen.
+ */
+- (void) arrangeInCascade{
+  NSArray* windows = [self visiblePipWindows];
+  NSInteger count = windows.count;
+  if(count == 0) return;
+
+  // Use the first PiP window's screen (not keyWindow, which might be Preferences)
+  NSScreen* screen = [windows[0] screen];
+  if(!screen) screen = [NSScreen mainScreen];
+  NSRect visibleFrame = [screen visibleFrame];
+
+  CGFloat offsetX = 25;
+  CGFloat offsetY = 25;
+  CGFloat startX = visibleFrame.origin.x + 10;
+  CGFloat startY = visibleFrame.origin.y + visibleFrame.size.height;
+  CGFloat curX = startX;
+  CGFloat curY = startY;
+
+  for(NSInteger i = 0; i < count; i++){
+    Window* win = windows[i];
+    NSSize winSize = [win frame].size;
+
+    // Position window (top-left corner, adjusting for macOS bottom-left origin)
+    CGFloat x = curX;
+    CGFloat y = curY - winSize.height;
+
+    // Wrap if window goes off-screen
+    if(x + winSize.width > visibleFrame.origin.x + visibleFrame.size.width ||
+       y < visibleFrame.origin.y){
+      curX = startX;
+      curY = startY;
+      x = curX;
+      y = curY - winSize.height;
+    }
+
+    [win setFrameOrigin:NSMakePoint(x, y)];
+
+    curX += offsetX;
+    curY -= offsetY;
+  } // End of loop through windows for cascade layout
+} // End of arrangeInCascade
+
 -(void)applicationDidFinishLaunching:(NSNotification *)notification{
   [app setActivationPolicy:NSApplicationActivationPolicyRegular];
   [app activateIgnoringOtherApps:YES];
@@ -176,10 +489,214 @@ - (void)showPreferencePanel:(id)sender{
   [global_pref makeKeyAndOrderFront:self];
 }
 
+/**
+ * Shows the window manager panel. Creates it if it doesn't exist.
+ */
+- (void)showWindowManager{
+  if(!windowManagerPanel){
+    windowManagerPanel = [[WindowManagerPanel alloc] initWithAppDelegate:self];
+  }
+  [windowManagerPanel makeKeyAndOrderFront:self];
+  [windowManagerPanel refreshWindowList];
+}
+
 -(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender{
-  return false;
+  // Must return NO because Window is an NSPanel subclass.
+  // NSPanel windows are NOT counted by AppKit for this check,
+  // so returning YES causes immediate termination at launch.
+  // Termination is handled manually in Window's windowWillClose: instead.
+  return NO;
+}
+
+@end
+
+#pragma mark - Window Manager Panel
+
+@implementation WindowManagerPanel
+
+/**
+ * Initializes the window manager panel.
+ * @param delegate The app delegate for accessing PiP windows
+ * @return The initialized panel
+ */
+- (id)initWithAppDelegate:(MyApplicationDelegate*)delegate{
+  self = [super
+          initWithContentRect:NSMakeRect(0, 0, 420, 250)
+          styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskNonactivatingPanel
+          backing:NSBackingStoreBuffered defer:YES
+  ];
+  self.delegate = self;
+  self.level = NSFloatingWindowLevel;
+  self.collectionBehavior = NSWindowCollectionBehaviorManaged | NSWindowCollectionBehaviorParticipatesInCycle;
+  [self setTitle:@"Window Manager"];
+  self.minSize = NSMakeSize(300, 150);
+
+  _appDelegate = delegate;
+  _windowList = [[NSMutableArray alloc] init];
+
+  NSView* rootView = [[NSView alloc] init];
+  rootView.translatesAutoresizingMaskIntoConstraints = false;
+
+  NSScrollView* scrollView = [[NSScrollView alloc] init];
+  scrollView.hasHorizontalScroller = false;
+  scrollView.hasVerticalScroller = true;
+  scrollView.translatesAutoresizingMaskIntoConstraints = false;
+  [rootView addSubview:scrollView];
+
+  // Fill root view with scroll view
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeLeft multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeRight multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeTop multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeBottom multiplier:1 constant:0]];
+
+  _tableView = [[NSTableView alloc] init];
+  _tableView.delegate = self;
+  _tableView.dataSource = self;
+  _tableView.headerView = nil;
+  _tableView.intercellSpacing = NSMakeSize(0, 2);
+  _tableView.translatesAutoresizingMaskIntoConstraints = NO;
+  _tableView.rowHeight = 28;
+  _tableView.doubleAction = @selector(onDoubleClick:);
+  _tableView.target = self;
+
+  NSTableColumn* nameCol = [[NSTableColumn alloc] initWithIdentifier:@"name"];
+  nameCol.title = @"Source";
+  nameCol.width = 200;
+  [_tableView addTableColumn:nameCol];
+
+  NSTableColumn* typeCol = [[NSTableColumn alloc] initWithIdentifier:@"type"];
+  typeCol.title = @"Tipo";
+  typeCol.width = 80;
+  [_tableView addTableColumn:typeCol];
+
+  NSTableColumn* statusCol = [[NSTableColumn alloc] initWithIdentifier:@"status"];
+  statusCol.title = @"Estado";
+  statusCol.width = 80;
+  [_tableView addTableColumn:statusCol];
+
+  scrollView.documentView = _tableView;
+  [self setContentView:rootView];
+
+  // Center on screen
+  NSSize windowSize = [self frame].size;
+  NSSize screenSize = [[self screen] visibleFrame].size;
+  NSPoint origin = [[self screen] visibleFrame].origin;
+  NSPoint point = NSMakePoint(origin.x + screenSize.width/2 - windowSize.width/2, origin.y + screenSize.height/2 - windowSize.height/2);
+  [self setFrameOrigin:point];
+
+  return self;
+} // End of initWithAppDelegate:
+
+/**
+ * Refreshes the list of open PiP windows and reloads the table.
+ */
+- (void)refreshWindowList{
+  [_windowList removeAllObjects];
+  for(NSWindow* window in [[NSApplication sharedApplication] windows]){
+    if([window isKindOfClass:[Window class]]){
+      [_windowList addObject:(Window*)window];
+    }
+  } // End of loop through windows
+  [_tableView reloadData];
+} // End of refreshWindowList
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView{
+  return _windowList.count;
+}
+
+- (nullable NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row{
+  if(row >= (NSInteger)_windowList.count) return nil;
+  Window* win = _windowList[row];
+
+  NSTableCellView* cell = [[NSTableCellView alloc] init];
+  NSTextField* text = [[NSTextField alloc] init];
+  text.editable = NO;
+  text.selectable = NO;
+  text.bezeled = NO;
+  text.drawsBackground = NO;
+  text.translatesAutoresizingMaskIntoConstraints = false;
+
+  if([tableColumn.identifier isEqual:@"name"]){
+    text.stringValue = [win title] ?: @"Untitled";
+    text.lineBreakMode = NSLineBreakByTruncatingTail;
+  } else if([tableColumn.identifier isEqual:@"type"]){
+    text.stringValue = [win sourceType];
+    text.textColor = [NSColor secondaryLabelColor];
+  } else if([tableColumn.identifier isEqual:@"status"]){
+    NSString* status = [win sourceStatus];
+    text.stringValue = status;
+    if([status isEqualToString:@"Active"]){
+      text.textColor = [NSColor systemGreenColor];
+    } else if([status isEqualToString:@"No source"]){
+      text.textColor = [NSColor tertiaryLabelColor];
+    } else {
+      text.textColor = [NSColor systemOrangeColor];
+    }
+  }
+
+  [cell addSubview:text];
+  [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeCenterY multiplier:1 constant:0]];
+  [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeLeft multiplier:1 constant:8]];
+  [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeRight multiplier:1 constant:-8]];
+
+  return cell;
 }
 
+- (nullable NSTableRowView *)tableView:(NSTableView *)tableView rowViewForRow:(NSInteger)row{
+  NSTableRowView* rowView = [[NSTableRowView alloc] init];
+  rowView.emphasized = false;
+  return rowView;
+}
+
+/**
+ * Handles double-click on a row: focuses the corresponding PiP window.
+ * @param sender The table view
+ */
+- (void)onDoubleClick:(id)sender{
+  NSInteger row = [_tableView clickedRow];
+  if(row < 0 || row >= (NSInteger)_windowList.count) return;
+  Window* win = _windowList[row];
+  [win makeKeyAndOrderFront:nil];
+} // End of onDoubleClick:
+
+- (void)tableViewSelectionDidChange:(NSNotification *)notification{
+  NSInteger row = [_tableView selectedRow];
+  if(row < 0 || row >= (NSInteger)_windowList.count) return;
+  Window* win = _windowList[row];
+  [win makeKeyAndOrderFront:nil];
+}
+
+- (void)windowDidBecomeKey:(NSNotification *)notification{
+  [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
+  [self refreshWindowList];
+
+  // Start auto-refresh timer (weakSelf to avoid retain cycle with repeating timer)
+  if(!_refreshTimer){
+    __weak WindowManagerPanel* weakSelf = self;
+    _refreshTimer = [NSTimer scheduledTimerWithTimeInterval:2.0 repeats:YES block:^(NSTimer* timer){
+      WindowManagerPanel* strongSelf = weakSelf;
+      if(strongSelf) [strongSelf refreshWindowList];
+      else [timer invalidate];
+    }];
+  }
+}
+
+- (void)windowDidResignKey:(NSNotification *)notification{
+  // Stop auto-refresh when panel loses focus
+  if(_refreshTimer){
+    [_refreshTimer invalidate];
+    _refreshTimer = nil;
+  }
+}
+
+- (void)windowWillClose:(NSNotification *)notification{
+  if(_refreshTimer){
+    [_refreshTimer invalidate];
+    _refreshTimer = nil;
+  }
+  windowManagerPanel = nil;
+} // End of windowWillClose:
+
 @end
 
 int main(int argc, const char * argv[]) {
diff --git a/pip/metalRenderer.m b/pip/metalRenderer.m
index f52edaf..dd0929d 100644
--- a/pip/metalRenderer.m
+++ b/pip/metalRenderer.m
@@ -31,7 +31,7 @@ @implementation MetalRenderer{
 - (instancetype)init:(BOOL)hidpi{
   self = [super init];
   self.image = nil;
-  self.device = MTLCreateSystemDefaultDevice();
+  self.device = getSharedMTLDevice();
   self.view = [[MTKView alloc] initWithFrame:CGRectZero device:self.device];
   self.view.clearColor = MTLClearColorMake(0, 0, 0, 0);
   self.view.delegate = self;
diff --git a/pip/preferences.h b/pip/preferences.h
index bbccd14..d2d20ae 100644
--- a/pip/preferences.h
+++ b/pip/preferences.h
@@ -18,8 +18,17 @@ typedef enum{
 NSObject* getPref(NSString* key);
 NSObject* getPrefOption(NSString* key);
 void setPref(NSString* key, NSObject* val);
-
-@interface Preferences : NSPanel
+NSArray* getDisplayList(void);
+NSArray* getSourceList(void);
+NSDictionary* getDefaultSourcePreference(void);
+NSString* getDisplayNameForId(CGDirectDisplayID displayId);
+NSString* getCameraNameForId(NSString* cameraId);
+void setCustomDisplayName(CGDirectDisplayID displayId, NSString* name);
+void setCustomCameraName(NSString* cameraId, NSString* name);
+void showSourceNamesPanel(void);
+void showDisplayNamesPanel(void);
+
+@interface Preferences : NSPanel
 
 @end
 
diff --git a/pip/preferences.m b/pip/preferences.m
index e74f015..bd3faa3 100644
--- a/pip/preferences.m
+++ b/pip/preferences.m
@@ -8,17 +8,277 @@
 
 #import "preferences.h"
 #import 
+#import 
+#import 
 #if __has_include()
 #import 
 #endif
 
 Preferences* global_pref = nil;
+static NSPanel* sourceNamesPanel = nil;
+
+static NSDictionary* sourceNone(void){
+  return @{@"type": @"none"};
+}
+
+static NSDictionary* sourceFromDisplayId(NSNumber* displayId){
+  return @{@"type": @"display", @"id": displayId};
+}
+
+static NSDictionary* sourceFromCameraId(NSString* cameraId){
+  return @{@"type": @"camera", @"id": cameraId};
+}
+
+static NSDictionary* normalizeSourcePreference(NSObject* source){
+  if([source isKindOfClass:[NSDictionary class]]){
+    NSDictionary* sourceDict = (NSDictionary*)source;
+    NSString* type = sourceDict[@"type"];
+    NSObject* sourceId = sourceDict[@"id"];
+    if([type isEqualToString:@"display"] && [sourceId isKindOfClass:[NSNumber class]] && [(NSNumber*)sourceId intValue] > 0){
+      return sourceFromDisplayId((NSNumber*)sourceId);
+    }
+    if([type isEqualToString:@"camera"] && [sourceId isKindOfClass:[NSString class]] && ((NSString*)sourceId).length > 0){
+      return sourceFromCameraId((NSString*)sourceId);
+    }
+    if([type isEqualToString:@"none"]){
+      return sourceNone();
+    }
+  }
+  if([source isKindOfClass:[NSNumber class]] && [(NSNumber*)source intValue] > 0){
+    return sourceFromDisplayId((NSNumber*)source);
+  }
+  if([source isKindOfClass:[NSString class]] && ((NSString*)source).length > 0){
+    return sourceFromCameraId((NSString*)source);
+  }
+  return sourceNone();
+}
+
+/**
+ * Gets a stable identifier for a display using EDID data (vendor, model, serial).
+ * This identifier remains stable across reboots unlike CGDirectDisplayID.
+ * Note: We only use CoreGraphics APIs here to avoid WindowServer deadlocks
+ * that can occur when calling NSScreen APIs during display reconfiguration.
+ * @param displayId The CGDirectDisplayID of the display
+ * @return A stable identifier string
+ */
+NSString* getStableDisplayIdentifier(CGDirectDisplayID displayId){
+  uint32_t vendorId = CGDisplayVendorNumber(displayId);
+  uint32_t modelId = CGDisplayModelNumber(displayId);
+  uint32_t serialNum = CGDisplaySerialNumber(displayId);
+
+  // Use EDID data (vendor-model-serial) as stable identifier
+  // This is safe to call anytime and doesn't touch WindowServer/NSScreen
+  return [NSString stringWithFormat:@"%u-%u-%u", vendorId, modelId, serialNum];
+} // End of getStableDisplayIdentifier()
+
+/**
+ * Gets the custom display name for a given display ID.
+ * @param displayId The CGDirectDisplayID of the display
+ * @return The custom name if set, otherwise nil
+ */
+NSString* getCustomDisplayNameForId(CGDirectDisplayID displayId){
+  NSDictionary* customNames = (NSDictionary*)getPref(@"display_custom_names");
+  if(!customNames) return nil;
+
+  // First try stable identifier
+  NSString* stableKey = getStableDisplayIdentifier(displayId);
+  if(stableKey){
+    NSString* name = customNames[stableKey];
+    if(name) return name;
+  }
+
+  // Fallback to old format for backwards compatibility
+  NSString* legacyKey = [NSString stringWithFormat:@"%u", displayId];
+  return customNames[legacyKey];
+} // End of getCustomDisplayNameForId()
+
+/**
+ * Gets the custom camera name for a given camera unique ID.
+ * @param cameraId The AVCaptureDevice unique ID
+ * @return The custom name if set, otherwise nil
+ */
+NSString* getCustomCameraNameForId(NSString* cameraId){
+  if(!cameraId || cameraId.length == 0) return nil;
+  NSDictionary* customNames = (NSDictionary*)getPref(@"camera_custom_names");
+  if(!customNames) return nil;
+  return customNames[cameraId];
+} // End of getCustomCameraNameForId()
+
+/**
+ * Gets the display name for a given display ID, using custom name if available.
+ * @param displayId The CGDirectDisplayID of the display
+ * @return The custom name if set, otherwise the system localized name
+ */
+NSString* getDisplayNameForId(CGDirectDisplayID displayId){
+  NSString* customName = getCustomDisplayNameForId(displayId);
+  if(customName && customName.length > 0) return customName;
+
+  // Find the screen and return its localized name
+  for(NSScreen* screen in [NSScreen screens]){
+    NSDictionary* dict = [screen deviceDescription];
+    CGDirectDisplayID did = [dict[@"NSScreenNumber"] unsignedIntValue];
+    if(did == displayId){
+      if (@available(macOS 10.15, *)) return [screen localizedName];
+      return [NSString stringWithFormat:@"Display %u", displayId];
+    }
+  } // End of loop through screens
+  return [NSString stringWithFormat:@"Display %u", displayId];
+} // End of getDisplayNameForId()
+
+/**
+ * Gets the camera name for a given camera ID, using custom name if available.
+ * @param cameraId The AVCaptureDevice unique ID
+ * @return The custom name if set, otherwise the system camera name
+ */
+NSString* getCameraNameForId(NSString* cameraId){
+  NSString* customName = getCustomCameraNameForId(cameraId);
+  if(customName && customName.length > 0) return customName;
+
+  AVCaptureDevice* camera = [AVCaptureDevice deviceWithUniqueID:cameraId];
+  if(camera){
+    NSString* localizedName = [camera localizedName];
+    if(localizedName && localizedName.length > 0) return localizedName;
+  }
+  return cameraId && cameraId.length > 0 ? cameraId : @"Camera";
+} // End of getCameraNameForId()
+
+/**
+ * Sets a custom display name for a given display ID.
+ * Uses stable identifier (EDID-based) to persist names across reboots.
+ * @param displayId The CGDirectDisplayID of the display
+ * @param name The custom name to set (empty string to clear)
+ */
+void setCustomDisplayName(CGDirectDisplayID displayId, NSString* name){
+  NSDictionary* existingNames = (NSDictionary*)[[NSUserDefaults standardUserDefaults] objectForKey:@"display_custom_names"];
+  NSMutableDictionary* customNames = existingNames ? [existingNames mutableCopy] : [[NSMutableDictionary alloc] init];
+
+  // Use stable identifier instead of display ID
+  NSString* stableKey = getStableDisplayIdentifier(displayId);
+  if(!stableKey){
+    stableKey = [NSString stringWithFormat:@"%u", displayId];
+  }
+
+  // Remove any legacy entry with just the display ID
+  NSString* legacyKey = [NSString stringWithFormat:@"%u", displayId];
+  if(![stableKey isEqualToString:legacyKey]){
+    [customNames removeObjectForKey:legacyKey];
+  }
+
+  if(name && name.length > 0){
+    customNames[stableKey] = name;
+  } else {
+    [customNames removeObjectForKey:stableKey];
+  }
+
+  [[NSUserDefaults standardUserDefaults] setObject:customNames forKey:@"display_custom_names"];
+} // End of setCustomDisplayName()
+
+/**
+ * Sets a custom camera name for a given camera unique ID.
+ * @param cameraId The AVCaptureDevice unique ID
+ * @param name The custom name to set (empty string to clear)
+ */
+void setCustomCameraName(NSString* cameraId, NSString* name){
+  if(!cameraId || cameraId.length == 0) return;
+
+  NSDictionary* existingNames = (NSDictionary*)[[NSUserDefaults standardUserDefaults] objectForKey:@"camera_custom_names"];
+  NSMutableDictionary* customNames = existingNames ? [existingNames mutableCopy] : [[NSMutableDictionary alloc] init];
+
+  if(name && name.length > 0){
+    customNames[cameraId] = name;
+  } else {
+    [customNames removeObjectForKey:cameraId];
+  }
+
+  [[NSUserDefaults standardUserDefaults] setObject:customNames forKey:@"camera_custom_names"];
+} // End of setCustomCameraName()
+
+/**
+ * Gets the list of available displays with their names (using custom names if set).
+ * @return An array of dictionaries with "name" and "id" keys
+ */
+NSArray* getDisplayList(void){
+  NSMutableArray* displays = [[NSMutableArray alloc] init];
+  [displays addObject:@{@"name": @"None", @"id": @-1}];
+  for(NSScreen* screen in [NSScreen screens]){
+    NSDictionary* dict = [screen deviceDescription];
+    CGDirectDisplayID did = [dict[@"NSScreenNumber"] unsignedIntValue];
+    NSString* name = getDisplayNameForId(did);
+    [displays addObject:@{@"name": name, @"id": [NSNumber numberWithUnsignedInt:did]}];
+  } // End of loop through screens
+  return displays;
+} // End of getDisplayList()
+
+/**
+ * Returns the default source preference with migration from legacy default_display.
+ * @return A dictionary in the form {type: "none|display|camera", id: ...}
+ */
+NSDictionary* getDefaultSourcePreference(void){
+  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
+  NSObject* sourcePref = [defaults objectForKey:@"default_source"];
+  if(sourcePref){
+    NSDictionary* normalized = normalizeSourcePreference(sourcePref);
+    if(![normalized isEqual:sourcePref]){
+      [defaults setObject:normalized forKey:@"default_source"];
+    }
+    return normalized;
+  }
+
+  NSObject* legacyDefaultDisplay = [defaults objectForKey:@"default_display"];
+  NSDictionary* migrated = normalizeSourcePreference(legacyDefaultDisplay);
+  [defaults setObject:migrated forKey:@"default_source"];
+  return migrated;
+} // End of getDefaultSourcePreference()
+
+/**
+ * Gets the list of available capture sources (displays + cameras).
+ * @return An array of dictionaries with "name" and "value" keys
+ */
+NSArray* getSourceList(void){
+  NSMutableArray* sources = [[NSMutableArray alloc] init];
+  [sources addObject:@{@"name": @"None", @"value": sourceNone()}];
+
+  NSMutableArray* displaySources = [[NSMutableArray alloc] init];
+  for(NSScreen* screen in [NSScreen screens]){
+    NSDictionary* dict = [screen deviceDescription];
+    CGDirectDisplayID did = [dict[@"NSScreenNumber"] unsignedIntValue];
+    NSString* name = [NSString stringWithFormat:@"Display - %@", getDisplayNameForId(did)];
+    [displaySources addObject:@{
+      @"name": name,
+      @"value": sourceFromDisplayId([NSNumber numberWithUnsignedInt:did]),
+    }];
+  }
+  [displaySources sortUsingComparator:^NSComparisonResult(NSDictionary* a, NSDictionary* b) {
+    return [a[@"name"] localizedCaseInsensitiveCompare:b[@"name"]];
+  }];
+  [sources addObjectsFromArray:displaySources];
+
+  NSMutableArray* cameraSources = [[NSMutableArray alloc] init];
+  NSArray* cameras = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
+  for(AVCaptureDevice* camera in cameras){
+    NSString* cameraId = [camera uniqueID];
+    if(!cameraId || cameraId.length == 0) continue;
+    NSString* name = [NSString stringWithFormat:@"Camera - %@", getCameraNameForId(cameraId)];
+    [cameraSources addObject:@{
+      @"name": name,
+      @"value": sourceFromCameraId(cameraId),
+    }];
+  }
+  [cameraSources sortUsingComparator:^NSComparisonResult(NSDictionary* a, NSDictionary* b) {
+    return [a[@"name"] localizedCaseInsensitiveCompare:b[@"name"]];
+  }];
+  [sources addObjectsFromArray:cameraSources];
+
+  return sources;
+} // End of getSourceList()
 
 typedef enum{
   OptionTypeNumber,
   OptionTypeSelect,
   OptionTypeCheckBox,
   OptionTypeTextInput,
+  OptionTypeSourceSelect,
+  OptionTypeButton,
 } OptionType;
 
 #define OPTION(name, text, type, options, value, desc) \
@@ -28,6 +288,8 @@
   NSMutableArray* prefs = [NSMutableArray arrayWithArray:@[
     OPTION(hidpi, "Use HiDPI mode", CheckBox, [NSNull null], @1, @"on supported displays"),
     OPTION(renderer, "Display Renderer", Select, (@[@"Metal", @"Opengl"]), [NSNumber numberWithInt:DisplayRendererTypeOpenGL], [NSNull null]),
+    OPTION(default_source, "Default Source", SourceSelect, [NSNull null], sourceNone(), [NSNull null]),
+    OPTION(source_names, "Source Names", Button, [NSNull null], [NSNull null], @"Configure..."),
     #ifndef NO_AIRPLAY
     OPTION(airplay, "AirPlay Receiver", CheckBox, [NSNull null], @0, @"Use PiP as Airplay receiver"),
     OPTION(airplay_scale_factor, "AirPlay Scale factor", Select, (@[@"1.00", @"2.00", @"3.00", @"Default"]), @3, [NSNull null]),
@@ -40,6 +302,10 @@
     OPTION(wfilter_floating, "Exclude windows", CheckBox, [NSNull null], @1, @"that are floating"),
     OPTION(wfilter_desktop_elemnts, "Exclude windows", CheckBox, [NSNull null], @1, @"that are desktop elements"),
     OPTION(mouse_capture, "Show mouse cursor", CheckBox, [NSNull null], @0, @"when pipping screen"),
+    OPTION(new_window_behavior, "New Window", Select, (@[@"Blank with hint", @"Clone current window"]), @0, [NSNull null]),
+    OPTION(max_windows, "Max Windows", Select, (@[@"2", @"4", @"6", @"8", @"10"]), @3, [NSNull null]),
+    OPTION(stream_port, "Streaming Port", TextInput, [NSNull null], @"8080", @"HTTP server port"),
+    OPTION(stream_quality, "Streaming Quality", Select, (@[@"Low (720p)", @"Medium (1080p)", @"High (native)"]), @1, [NSNull null]),
   ]];
 
   // Add ScreenCaptureKit option only on macOS 12.3+
@@ -86,7 +352,7 @@ @implementation Preferences{
 
 -(id)init{
   self = [super
-          initWithContentRect:NSMakeRect(0, 0, 450, 230)
+          initWithContentRect:NSMakeRect(0, 0, 450, 290)
           styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskNonactivatingPanel
           backing:NSBackingStoreBuffered defer:YES
   ];
@@ -171,6 +437,30 @@ - (void)onSelect:(NSMenuItem*)sender{
   setPref(sender.identifier, [NSNumber numberWithLong:index]);
 }
 
+- (void)onSourceSelect:(NSMenuItem*)sender{
+  NSDictionary* source = normalizeSourcePreference([sender representedObject]);
+//  NSLog(@"onSourceSelect: %@ -> %@", sender.identifier, source);
+  setPref(sender.identifier, source);
+}
+
+- (void)onButtonClick:(NSButton*)sender{
+  if([sender.identifier isEqual:@"source_names"]){
+    showSourceNamesPanel();
+  }
+} // End of onButtonClick()
+
+/**
+ * Handles text input end editing for TextInput preferences.
+ * Saves the text field value as a string preference.
+ * @param notification The notification containing the text field
+ */
+- (void)controlTextDidEndEditing:(NSNotification *)notification{
+  NSTextField* textField = notification.object;
+  if(textField.identifier){
+    setPref(textField.identifier, textField.stringValue);
+  }
+} // End of controlTextDidEndEditing:
+
 - (nullable NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row{
   NSInteger col = [[tableView tableColumns] indexOfObject:tableColumn];
 //  NSLog(@"row: %ld, col: %ld", row, col);
@@ -220,8 +510,59 @@ - (nullable NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(null
         view = checkBox;
         break;
       }
-      case OptionTypeTextInput:
+      case OptionTypeTextInput:{
+        NSTextField* textField = [[NSTextField alloc] init];
+        textField.translatesAutoresizingMaskIntoConstraints = false;
+        textField.editable = YES;
+        textField.selectable = YES;
+        textField.bezeled = YES;
+        textField.bezelStyle = NSTextFieldSquareBezel;
+        textField.drawsBackground = YES;
+        textField.identifier = key;
+        textField.delegate = self;
+        if ([value isKindOfClass:[NSString class]]) {
+          textField.stringValue = (NSString*)value;
+        } else if ([value isKindOfClass:[NSNumber class]]) {
+          textField.stringValue = [(NSNumber*)value stringValue];
+        } else {
+          textField.stringValue = @"";
+        }
+        if (pref[@"desc"] && pref[@"desc"] != [NSNull null]) {
+          textField.placeholderString = (NSString*)pref[@"desc"];
+        }
+        view = textField;
         break;
+      }
+      case OptionTypeSourceSelect:{
+        NSPopUpButton* button = [[NSPopUpButton alloc] init];
+        button.translatesAutoresizingMaskIntoConstraints = false;
+        button.menu = [[NSMenu alloc] init];
+
+        NSDictionary* savedSource = getDefaultSourcePreference();
+        NSArray* sources = getSourceList();
+        int selectedIndex = 0;
+        for(int i = 0; i < sources.count; i++){
+          NSDictionary* source = sources[i];
+          NSDictionary* sourceValue = normalizeSourcePreference(source[@"value"]);
+          NSMenuItem* item = [[NSMenuItem alloc] initWithTitle:source[@"name"] action:@selector(onSourceSelect:) keyEquivalent:@""];
+          item.target = self;
+          item.identifier = key;
+          item.representedObject = sourceValue;
+          [button.menu addItem:item];
+          if([sourceValue isEqual:savedSource]) selectedIndex = i;
+        } // End of loop through sources
+        [button selectItem:[button.menu itemArray][selectedIndex]];
+        view = button;
+        break;
+      }
+      case OptionTypeButton:{
+        NSButton* button = [NSButton buttonWithTitle:pref[@"desc"] target:self action:@selector(onButtonClick:)];
+        button.translatesAutoresizingMaskIntoConstraints = false;
+        button.bezelStyle = NSBezelStyleRounded;
+        button.identifier = key;
+        view = button;
+        break;
+      }
     }
   }
   if(!view) goto end;
@@ -245,12 +586,366 @@ - (BOOL)tableView:(NSTableView *)aTableView shouldSelectRow:(NSInteger)rowIndex{
     return NO;
 }
 
+/**
+ * Returns the height for a specific row in the preferences table.
+ * Adds extra spacing after certain rows to create visual groups.
+ * @param tableView The table view
+ * @param row The row index
+ * @return The height for the row
+ */
+- (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row{
+  CGFloat baseHeight = 26;
+  // Add 12pt padding below Display Renderer, Default Source, and Source Names rows
+  if(row == 1 || row == 2 || row == 3){
+    return baseHeight + 12;
+  }
+  return baseHeight;
+} // End of tableView:heightOfRow:
+
 - (void)windowDidBecomeKey:(NSNotification *)notification{
   [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
 }
 
 - (void)windowWillClose:(NSNotification *)notification{
   global_pref = nil;
+
+  // If no PiP windows remain, quit the app
+  BOOL hasPipWindows = NO;
+  Class windowClass = NSClassFromString(@"Window");
+  if(windowClass){
+    for(NSWindow* window in [[NSApplication sharedApplication] windows]){
+      if([window isKindOfClass:windowClass]){
+        hasPipWindows = YES;
+        break;
+      }
+    } // End of loop checking for remaining PiP windows
+  }
+  if(!hasPipWindows){
+    // Defer to next runloop tick to avoid re-entrancy with window close
+    dispatch_async(dispatch_get_main_queue(), ^{
+      [[NSApplication sharedApplication] terminate:nil];
+    });
+  }
+} // End of windowWillClose:
+
+@end
+
+#pragma mark - Source Names Panel
+
+@interface SourceNamesPanel : NSPanel
+@property (nonatomic, strong) NSTableView* tableView;
+@property (nonatomic, strong) NSMutableArray* sourceData;
+@property (nonatomic, strong) NSMutableArray* textFields;
+@property (nonatomic, strong) NSButton* okButton;
+- (void)refreshPreferencesWindow;
+- (void)loadSourceData;
+- (void)completeTabOrder;
+@end
+
+@implementation SourceNamesPanel
+
+/**
+ * Initializes the source names panel.
+ * @return The initialized panel
+ */
+-(id)init{
+  self = [super
+          initWithContentRect:NSMakeRect(0, 0, 480, 240)
+          styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable
+          backing:NSBackingStoreBuffered defer:YES
+  ];
+  self.delegate = self;
+  self.level = NSFloatingWindowLevel;
+  self.collectionBehavior = NSWindowCollectionBehaviorManaged | NSWindowCollectionBehaviorParticipatesInCycle;
+  self.becomesKeyOnlyIfNeeded = NO;
+  [self setTitle:@"Source Names"];
+
+  [self loadSourceData];
+  _textFields = [[NSMutableArray alloc] init];
+
+  NSView* rootView = [[NSView alloc] init];
+  rootView.translatesAutoresizingMaskIntoConstraints = false;
+
+  NSScrollView* scrollView = [[NSScrollView alloc] init];
+  scrollView.hasHorizontalScroller = false;
+  scrollView.hasVerticalScroller = true;
+  scrollView.translatesAutoresizingMaskIntoConstraints = false;
+  [rootView addSubview:scrollView];
+
+  _okButton = [NSButton buttonWithTitle:@"OK" target:self action:@selector(onOKClick:)];
+  _okButton.translatesAutoresizingMaskIntoConstraints = false;
+  _okButton.bezelStyle = NSBezelStyleRounded;
+  _okButton.keyEquivalent = @"\r";
+  [rootView addSubview:_okButton];
+
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeLeft multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeRight multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeTop multiplier:1 constant:0]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:scrollView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:_okButton attribute:NSLayoutAttributeTop multiplier:1 constant:-10]];
+
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:_okButton attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeRight multiplier:1 constant:-15]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:_okButton attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:rootView attribute:NSLayoutAttributeBottom multiplier:1 constant:-10]];
+  [rootView addConstraint:[NSLayoutConstraint constraintWithItem:_okButton attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:80]];
+
+  _tableView = [[NSTableView alloc] init];
+  _tableView.frame = rootView.bounds;
+  _tableView.delegate = self;
+  _tableView.dataSource = self;
+  _tableView.headerView = nil;
+  _tableView.intercellSpacing = NSMakeSize(0, 5);
+  _tableView.translatesAutoresizingMaskIntoConstraints = NO;
+  _tableView.rowHeight = 28;
+
+  NSTableColumn* systemNameCol = [[NSTableColumn alloc] initWithIdentifier:@"systemName"];
+  systemNameCol.title = @"Source";
+  systemNameCol.width = 220;
+  [_tableView addTableColumn:systemNameCol];
+
+  NSTableColumn* customNameCol = [[NSTableColumn alloc] initWithIdentifier:@"customName"];
+  customNameCol.title = @"Custom Name";
+  customNameCol.width = 240;
+  [_tableView addTableColumn:customNameCol];
+
+  scrollView.documentView = _tableView;
+  [self setContentView:rootView];
+
+  NSSize windowSize = [self frame].size;
+  NSSize screenSize = [[self screen] visibleFrame].size;
+  NSPoint point = NSMakePoint(screenSize.width/2 - windowSize.width/2, screenSize.height/2 - windowSize.height/2);
+  [self setFrameOrigin:point];
+
+  [_tableView reloadData];
+  [self completeTabOrder];
+
+  return self;
+} // End of init()
+
+- (void)onOKClick:(NSButton*)sender{
+  [self makeFirstResponder:nil];
+  [self refreshPreferencesWindow];
+  [self close];
+} // End of onOKClick()
+
+- (void)refreshPreferencesWindow{
+  if(global_pref){
+    NSView* contentView = [global_pref contentView];
+    for(NSView* subview in contentView.subviews){
+      if([subview isKindOfClass:[NSScrollView class]]){
+        NSScrollView* scrollView = (NSScrollView*)subview;
+        if([scrollView.documentView isKindOfClass:[NSTableView class]]){
+          NSTableView* tableView = (NSTableView*)scrollView.documentView;
+          [tableView reloadData];
+          break;
+        }
+      }
+    } // End of loop through subviews
+  }
+} // End of refreshPreferencesWindow()
+
+/**
+ * Loads source data from connected displays and cameras.
+ */
+- (void)loadSourceData{
+  _sourceData = [[NSMutableArray alloc] init];
+
+  NSMutableArray* displayData = [[NSMutableArray alloc] init];
+  for(NSScreen* screen in [NSScreen screens]){
+    NSDictionary* dict = [screen deviceDescription];
+    CGDirectDisplayID did = [dict[@"NSScreenNumber"] unsignedIntValue];
+    NSString* systemName = @"Display";
+    if (@available(macOS 10.15, *)) systemName = [screen localizedName];
+    NSString* customName = getCustomDisplayNameForId(did);
+    if(!customName) customName = @"";
+
+    [displayData addObject:[@{
+      @"type": @"display",
+      @"id": [NSNumber numberWithUnsignedInt:did],
+      @"systemName": [NSString stringWithFormat:@"Display - %@", systemName],
+      @"customName": customName,
+    } mutableCopy]];
+  } // End of loop through screens
+  [displayData sortUsingComparator:^NSComparisonResult(NSDictionary* a, NSDictionary* b) {
+    return [a[@"systemName"] localizedCaseInsensitiveCompare:b[@"systemName"]];
+  }];
+  [_sourceData addObjectsFromArray:displayData];
+
+  NSMutableArray* cameraData = [[NSMutableArray alloc] init];
+  NSArray* cameras = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
+  for(AVCaptureDevice* camera in cameras){
+    NSString* cameraId = [camera uniqueID];
+    if(!cameraId || cameraId.length == 0) continue;
+    NSString* systemName = [camera localizedName];
+    if(!systemName || systemName.length == 0) systemName = @"Camera";
+    NSString* customName = getCustomCameraNameForId(cameraId);
+    if(!customName) customName = @"";
+
+    [cameraData addObject:[@{
+      @"type": @"camera",
+      @"id": cameraId,
+      @"systemName": [NSString stringWithFormat:@"Camera - %@", systemName],
+      @"customName": customName,
+    } mutableCopy]];
+  } // End of loop through cameras
+  [cameraData sortUsingComparator:^NSComparisonResult(NSDictionary* a, NSDictionary* b) {
+    return [a[@"systemName"] localizedCaseInsensitiveCompare:b[@"systemName"]];
+  }];
+  [_sourceData addObjectsFromArray:cameraData];
+} // End of loadSourceData()
+
+- (void)completeTabOrder{
+  if(_textFields.count == 0) return;
+
+  NSTextField* firstField = nil;
+  NSTextField* lastField = nil;
+
+  for(NSUInteger i = 0; i < _textFields.count; i++){
+    if(_textFields[i] != [NSNull null]){
+      if(!firstField) firstField = _textFields[i];
+      lastField = _textFields[i];
+    }
+  } // End of loop through text fields
+
+  if(firstField && lastField && _okButton){
+    [lastField setNextKeyView:_okButton];
+    [_okButton setNextKeyView:firstField];
+  }
+} // End of completeTabOrder()
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView{
+  return _sourceData.count;
+}
+
+- (nullable NSView *)tableView:(NSTableView *)tableView viewForTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row{
+  NSTableCellView* cell = [[NSTableCellView alloc] init];
+  NSMutableDictionary* source = _sourceData[row];
+
+  if([tableColumn.identifier isEqual:@"systemName"]){
+    NSTextField* text = [[NSTextField alloc] init];
+    NSString* systemName = source[@"systemName"];
+    if(systemName && systemName.length > 0){
+      text.stringValue = systemName;
+      text.textColor = [NSColor secondaryLabelColor];
+    } else {
+      text.stringValue = @"(Unknown source)";
+      NSFont* currentFont = [NSFont systemFontOfSize:[NSFont systemFontSize]];
+      NSFontDescriptor* italicDescriptor = [currentFont.fontDescriptor fontDescriptorWithSymbolicTraits:NSFontDescriptorTraitItalic];
+      if(italicDescriptor){
+        text.font = [NSFont fontWithDescriptor:italicDescriptor size:currentFont.pointSize];
+      }
+      text.textColor = [NSColor tertiaryLabelColor];
+    }
+    text.editable = false;
+    text.drawsBackground = false;
+    text.bordered = false;
+    text.translatesAutoresizingMaskIntoConstraints = false;
+    [cell addSubview:text];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeCenterY multiplier:1 constant:0]];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeLeft multiplier:1 constant:8]];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:text attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeRight multiplier:1 constant:-8]];
+  } else if([tableColumn.identifier isEqual:@"customName"]){
+    NSTextField* textField = [[NSTextField alloc] init];
+    textField.stringValue = source[@"customName"];
+    NSString* systemName = source[@"systemName"];
+    textField.placeholderString = (systemName && systemName.length > 0) ? systemName : @"Enter source name";
+    textField.editable = YES;
+    textField.selectable = YES;
+    textField.bezeled = YES;
+    textField.bezelStyle = NSTextFieldSquareBezel;
+    textField.drawsBackground = YES;
+    textField.backgroundColor = [NSColor textBackgroundColor];
+    textField.translatesAutoresizingMaskIntoConstraints = false;
+    textField.delegate = self;
+    textField.tag = row;
+    textField.cell.scrollable = YES;
+
+    while(_textFields.count <= (NSUInteger)row){
+      [_textFields addObject:[NSNull null]];
+    }
+    _textFields[row] = textField;
+
+    if(row > 0 && _textFields.count > 1 && _textFields[row-1] != [NSNull null]){
+      NSTextField* prevField = _textFields[row-1];
+      [prevField setNextKeyView:textField];
+    }
+    if(row == 0 && _textFields.count > 0){
+      [self setInitialFirstResponder:textField];
+    }
+
+    [cell addSubview:textField];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:textField attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeCenterY multiplier:1 constant:0]];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:textField attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeLeft multiplier:1 constant:8]];
+    [cell addConstraint:[NSLayoutConstraint constraintWithItem:textField attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:cell attribute:NSLayoutAttributeRight multiplier:1 constant:-8]];
+  }
+
+  return cell;
+} // End of tableView:viewForTableColumn:row:
+
+- (void)controlTextDidEndEditing:(NSNotification *)notification{
+  NSTextField* textField = notification.object;
+  NSInteger row = textField.tag;
+  if(row >= 0 && row < (NSInteger)_sourceData.count){
+    NSMutableDictionary* source = _sourceData[row];
+    NSString* newName = textField.stringValue;
+    source[@"customName"] = newName;
+
+    NSString* type = source[@"type"];
+    if([type isEqualToString:@"display"]){
+      CGDirectDisplayID displayId = [source[@"id"] unsignedIntValue];
+      setCustomDisplayName(displayId, newName);
+    } else if([type isEqualToString:@"camera"]){
+      setCustomCameraName(source[@"id"], newName);
+    }
+  }
+} // End of controlTextDidEndEditing()
+
+- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)commandSelector{
+  if(commandSelector == @selector(insertBacktab:)){
+    NSTextField* currentField = (NSTextField*)control;
+    NSInteger currentRow = currentField.tag;
+    for(NSInteger i = currentRow - 1; i >= 0; i--){
+      if(i < (NSInteger)_textFields.count && _textFields[i] != [NSNull null]){
+        NSTextField* prevField = _textFields[i];
+        [self makeFirstResponder:prevField];
+        return YES;
+      }
+    } // End of loop searching for previous field
+    if(_okButton){
+      [self makeFirstResponder:_okButton];
+      return YES;
+    }
+    return YES;
+  }
+  return NO;
+} // End of control:textView:doCommandBySelector:
+
+- (nullable NSTableRowView *)tableView:(NSTableView *)tableView rowViewForRow:(NSInteger)row{
+  NSTableRowView* rowView = [[NSTableRowView alloc] init];
+  rowView.emphasized = false;
+  return rowView;
+}
+
+- (BOOL)tableView:(NSTableView *)aTableView shouldSelectRow:(NSInteger)rowIndex{
+  return NO;
+}
+
+- (void)windowDidBecomeKey:(NSNotification *)notification{
+  [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
+}
+
+- (void)windowWillClose:(NSNotification *)notification{
+  [self refreshPreferencesWindow];
+  sourceNamesPanel = nil;
 }
 
 @end
+
+void showSourceNamesPanel(void){
+  if(!sourceNamesPanel){
+    sourceNamesPanel = [[SourceNamesPanel alloc] init];
+  }
+  [sourceNamesPanel makeKeyAndOrderFront:nil];
+} // End of showSourceNamesPanel()
+
+void showDisplayNamesPanel(void){
+  showSourceNamesPanel();
+} // End of showDisplayNamesPanel()
diff --git a/pip/stream_manager.h b/pip/stream_manager.h
new file mode 100644
index 0000000..6c74d98
--- /dev/null
+++ b/pip/stream_manager.h
@@ -0,0 +1,113 @@
+/**
+ *  stream_manager.h
+ *  PiP
+ *
+ *  High-level streaming pipeline manager that wires together:
+ *  frame capture -> video encoder -> TS muxer -> HLS writer -> HTTP server.
+ *
+ *  Owns the full lifecycle of every pipeline component and exposes a simple
+ *  Objective-C interface for start/stop/quality control.
+ */
+
+#ifndef stream_manager_h
+#define stream_manager_h
+
+#import 
+#import 
+
+@class ImageView;
+
+/**
+ * Quality presets for the streaming pipeline.
+ * Each preset determines resolution, bitrate, and frame rate.
+ */
+typedef enum {
+    StreamQualityLow,     /**< 720p,  1.5 Mbps, 24 fps */
+    StreamQualityMedium,  /**< 1080p, 3 Mbps,   30 fps */
+    StreamQualityHigh,    /**< Native resolution, 6 Mbps, 30 fps */
+} StreamQuality;
+
+@interface StreamManager : NSObject
+
+/**
+ * Initialize the stream manager with an ImageView to capture from.
+ * @param imageView The source ImageView whose content will be streamed
+ * @return A new StreamManager instance, or nil on failure
+ */
+- (instancetype)initWithImageView:(ImageView *)imageView;
+
+/**
+ * Start the full streaming pipeline on the given port with the specified quality.
+ * Creates and wires all pipeline components (capture, encoder, muxer, writer, server).
+ * @param port    TCP port for the HTTP server (e.g. 8080)
+ * @param quality Quality preset controlling resolution, bitrate, and frame rate
+ * @return YES on success, NO on failure
+ */
+- (BOOL)startStreamingOnPort:(int)port withQuality:(StreamQuality)quality;
+
+/**
+ * Stop the streaming pipeline and destroy all components in reverse order.
+ */
+- (void)stopStreaming;
+
+/**
+ * Check whether the pipeline is currently active and streaming.
+ * @return YES if streaming, NO otherwise
+ */
+- (BOOL)isStreaming;
+
+/**
+ * Get the port the HTTP server is listening on.
+ * @return Port number, or 0 if not streaming
+ */
+- (int)port;
+
+/**
+ * Get the number of currently connected viewers.
+ * @return Active viewer/connection count
+ */
+- (int)viewerCount;
+
+/**
+ * Get the full stream URL including the local IP address and port.
+ * Uses the first non-loopback IPv4 address found on an active interface.
+ * @return URL string (e.g. "http://192.168.1.42:8080"), or nil if not streaming
+ */
+- (NSString *)streamURL;
+
+/**
+ * Change the streaming quality. If the pipeline is running, it will be
+ * restarted with the new quality settings.
+ * @param quality The new quality preset to apply
+ */
+- (void)setQuality:(StreamQuality)quality;
+
+/**
+ * Get the current quality preset.
+ * @return The active StreamQuality value
+ */
+- (StreamQuality)currentQuality;
+
+/**
+ * Display a QR code of the stream URL in a floating window.
+ * The window contains the QR code image and the URL text below it.
+ * Does nothing if the pipeline is not streaming.
+ */
+- (void)showQRCode;
+
+/**
+ * Get all local non-loopback IPv4 addresses from active network interfaces.
+ * @return Array of IP address strings
+ */
+- (NSArray *)localIPAddresses;
+
+/**
+ * Push a captured audio CMSampleBuffer into the live stream pipeline.
+ * Intended for audio buffers received from ScreenCaptureKit.
+ * @param sampleBuffer Audio sample buffer
+ */
+- (void)pushAudioSampleBuffer:(CMSampleBufferRef)sampleBuffer;
+
+@end
+
+#endif /* stream_manager_h */
diff --git a/pip/stream_manager.m b/pip/stream_manager.m
new file mode 100644
index 0000000..2164ec2
--- /dev/null
+++ b/pip/stream_manager.m
@@ -0,0 +1,1303 @@
+/**
+ *  stream_manager.m
+ *  PiP
+ *
+ *  Streaming pipeline manager implementation.
+ *  Wires together: frame capture -> video encoder -> TS muxer -> HLS writer -> HTTP server.
+ *
+ *  The pipeline is driven by C callbacks that chain each stage:
+ *    1. frame_capture fires frame_capture_cb() on each captured frame
+ *    2. frame_capture_cb() feeds RGBA data into the video encoder
+ *    3. The encoder fires encoded_frame_cb() with H.264 NAL units
+ *    4. encoded_frame_cb() pushes NALs into the TS muxer
+ *    5. The muxer fires segment_cb() when a complete MPEG-TS segment is ready
+ *    6. segment_cb() stores the segment in the HLS writer ring buffer
+ *    7. The HTTP server serves the HLS playlist and segments on demand
+ */
+
+#import "stream_manager.h"
+#import "imageView.h"
+#import "frame_capture.h"
+#import "video_encoder.h"
+#import "ts_muxer.h"
+#import "hls_writer.h"
+#import "stream_server.h"
+
+#import 
+#import 
+#import 
+#import 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+/* ------------------------------------------------------------------ */
+/* Embedded viewer resources via incbin                                */
+/* ------------------------------------------------------------------ */
+
+#define INCBIN_SILENCE_BITCODE_WARNING
+#include "incbin.h"
+
+INCBIN(viewer_html, "pip/viewer.html");
+INCBIN(hls_js, "pip/hls.min.js");
+
+/* ------------------------------------------------------------------ */
+/* Pipeline constants                                                  */
+/* ------------------------------------------------------------------ */
+
+#define HLS_MAX_SEGMENTS     12  /* ring buffer size for HLS writer (keeps extra for slow clients) */
+#define HLS_PLAYLIST_SIZE    4   /* shorter live window for lower end-to-end latency */
+#define SEGMENT_DURATION_SEC 1   /* target MPEG-TS segment duration for ~2-3s latency */
+
+/* ------------------------------------------------------------------ */
+/* Quality preset parameters                                           */
+/* ------------------------------------------------------------------ */
+
+typedef struct {
+    int max_width;   /* maximum width (0 = native) */
+    int max_height;  /* maximum height (0 = native) */
+    int bitrate;     /* target bitrate in bits per second */
+    int fps;         /* target frame rate */
+} quality_params_t;
+
+static const quality_params_t quality_presets[] = {
+    [StreamQualityLow]    = { 1280, 720,  1500000, 24 },
+    [StreamQualityMedium] = { 1920, 1080, 3000000, 30 },
+    [StreamQualityHigh]   = { 0,    0,    6000000, 30 },
+};
+
+/* ------------------------------------------------------------------ */
+/* Pipeline context (passed as void *ctx to C callbacks)               */
+/* ------------------------------------------------------------------ */
+
+typedef struct {
+    video_encoder_t *encoder;
+    ts_muxer_t      *muxer;
+    hls_writer_t    *writer;
+    int              sps_pps_sent;    /* whether SPS/PPS has been set on the muxer */
+    int              expected_width;  /* encoder's configured frame width */
+    int              expected_height; /* encoder's configured frame height */
+    int              audio_sample_rate;
+    int              audio_channels;
+    pthread_mutex_t  muxer_lock;
+} pipeline_ctx_t;
+
+/* ------------------------------------------------------------------ */
+/* Forward declarations for C callbacks                                */
+/* ------------------------------------------------------------------ */
+
+static void frame_capture_cb(uint8_t *rgba_data, int width, int height,
+                              int stride, uint64_t pts, void *ctx);
+static void encoded_frame_cb(uint8_t *data, int len, bool is_keyframe,
+                              uint8_t *sps, int sps_len,
+                              uint8_t *pps, int pps_len,
+                              uint64_t pts, void *ctx);
+static void encoded_audio_cb(uint8_t *data, int len, uint64_t pts, void *ctx);
+static void segment_cb(void *context, uint8_t *segment_data,
+                        size_t segment_size, double duration,
+                        uint64_t segment_index);
+
+/* ------------------------------------------------------------------ */
+/* Private helper declarations                                         */
+/* ------------------------------------------------------------------ */
+
+static NSString *get_local_ip_address(void);
+static void compute_output_resolution(StreamQuality quality,
+                                       int source_width, int source_height,
+                                       int *out_width, int *out_height);
+static float *resample_interleaved_linear(const float *input, int input_frames, int channels,
+                                          int input_rate, int output_rate, int *output_frames);
+static float *expand_mono_to_stereo(const float *input, int frames);
+
+/* ------------------------------------------------------------------ */
+/* Internal AAC encoder state                                          */
+/* ------------------------------------------------------------------ */
+
+typedef struct {
+    AudioConverterRef converter;
+    AudioStreamBasicDescription in_asbd;
+    AudioStreamBasicDescription out_asbd;
+    float *pcm_buffer;
+    int pcm_capacity_frames;
+    int pcm_frames;
+    int sample_rate;
+    int channels;
+    int bitrate;
+    int pts_initialized;
+    uint64_t next_pts_us;
+} aac_encoder_t;
+
+static aac_encoder_t *aac_encoder_create(int sample_rate, int channels, int bitrate);
+static void aac_encoder_destroy(aac_encoder_t *enc);
+static int aac_encoder_encode_pcm(aac_encoder_t *enc, const float *samples, int num_frames,
+                                   uint64_t pts,
+                                   void (*callback)(uint8_t *data, int len, uint64_t pts, void *ctx),
+                                   void *callback_ctx);
+
+/* ------------------------------------------------------------------ */
+/* StreamManager class extension (private ivars)                       */
+/* ------------------------------------------------------------------ */
+
+@interface StreamManager () {
+    ImageView        *_imageView;
+
+    /* Pipeline components */
+    frame_capture_t  *_capture;
+    video_encoder_t  *_encoder;
+    aac_encoder_t    *_audio_encoder;
+    ts_muxer_t       *_muxer;
+    hls_writer_t     *_writer;
+    stream_server_t  *_server;
+
+    /* Pipeline callback context (heap-allocated, shared with C callbacks) */
+    pipeline_ctx_t   *_pipeline_ctx;
+
+    /* State */
+    BOOL              _streaming;
+    int               _port;
+    StreamQuality     _quality;
+    int               _audio_sample_rate;
+    int               _audio_channels;
+    uint64_t          _audio_next_pts_us;
+    BOOL              _audio_pts_initialized;
+}
+@end
+
+/* ------------------------------------------------------------------ */
+/* StreamManager implementation                                        */
+/* ------------------------------------------------------------------ */
+
+@implementation StreamManager
+
+/**
+ * Initialize the stream manager with an ImageView to capture from.
+ * @param imageView The source ImageView
+ * @return A new StreamManager instance
+ */
+- (instancetype)initWithImageView:(ImageView *)imageView
+{
+    self = [super init];
+    if (self) {
+        _imageView = imageView;
+        _capture = NULL;
+        _encoder = NULL;
+        _audio_encoder = NULL;
+        _muxer = NULL;
+        _writer = NULL;
+        _server = NULL;
+        _pipeline_ctx = NULL;
+        _streaming = NO;
+        _port = 0;
+        _quality = StreamQualityMedium;
+        _audio_sample_rate = 0;
+        _audio_channels = 0;
+        _audio_next_pts_us = 0;
+        _audio_pts_initialized = NO;
+    }
+    return self;
+} // end of function initWithImageView:
+
+/**
+ * Start the full streaming pipeline on the given port with the specified quality.
+ * @param port    TCP port for the HTTP server
+ * @param quality Quality preset
+ * @return YES on success, NO on failure
+ */
+- (BOOL)startStreamingOnPort:(int)port withQuality:(StreamQuality)quality
+{
+    if (_streaming) {
+        NSLog(@"stream_manager: already streaming, stop first");
+        return NO;
+    }
+
+    if (!_imageView) {
+        NSLog(@"stream_manager: no ImageView configured");
+        return NO;
+    }
+
+    _quality = quality;
+    _port = port;
+
+    /* Determine source dimensions, preferring the renderer's current frame size.
+       View bounds can be larger than the actual rendered CIImage (HiDPI/crop cases),
+       which would otherwise configure an encoder too large and drop every frame. */
+    int source_width = 0;
+    int source_height = 0;
+
+    CIImage *current_image = [_imageView.renderer currentImage];
+    if (current_image) {
+        CGRect extent = current_image.extent;
+        source_width = (int)extent.size.width;
+        source_height = (int)extent.size.height;
+    }
+
+    if (source_width <= 0 || source_height <= 0) {
+        NSSize view_size = _imageView.bounds.size;
+        source_width = (int)view_size.width;
+        source_height = (int)view_size.height;
+    }
+
+    if (source_width <= 0 || source_height <= 0) {
+        NSLog(@"stream_manager: invalid source dimensions %dx%d", source_width, source_height);
+        return NO;
+    }
+
+    /* Compute output resolution based on quality preset */
+    int output_width = 0;
+    int output_height = 0;
+    compute_output_resolution(quality, source_width, source_height,
+                              &output_width, &output_height);
+
+    const quality_params_t *params = &quality_presets[quality];
+
+    NSLog(@"stream_manager: starting pipeline %dx%d @ %d fps, %d kbps, port %d",
+          output_width, output_height, params->fps, params->bitrate / 1000, port);
+
+    /* --- 1. Create the HLS writer (ring buffer of segments) --- */
+    _writer = hls_writer_create(HLS_MAX_SEGMENTS, HLS_PLAYLIST_SIZE, SEGMENT_DURATION_SEC);
+    if (!_writer) {
+        NSLog(@"stream_manager: failed to create HLS writer");
+        [self stopStreaming];
+        return NO;
+    }
+
+    /* --- 2. Create the TS muxer (feeds segments into the HLS writer) --- */
+    _muxer = ts_muxer_create(SEGMENT_DURATION_SEC, segment_cb, _writer);
+    if (!_muxer) {
+        NSLog(@"stream_manager: failed to create TS muxer");
+        [self stopStreaming];
+        return NO;
+    }
+
+    /* --- 3. Create the video encoder --- */
+    _encoder = video_encoder_init(output_width, output_height,
+                                  params->fps, params->bitrate);
+    if (!_encoder) {
+        NSLog(@"stream_manager: failed to create video encoder");
+        [self stopStreaming];
+        return NO;
+    }
+    /* Force 1-second GOP for low-latency HLS segmentation. */
+    video_encoder_set_keyframe_interval(_encoder, params->fps);
+
+    /* --- 4. Allocate and populate the pipeline context --- */
+    _pipeline_ctx = calloc(1, sizeof(pipeline_ctx_t));
+    if (!_pipeline_ctx) {
+        NSLog(@"stream_manager: failed to allocate pipeline context");
+        [self stopStreaming];
+        return NO;
+    }
+    _pipeline_ctx->encoder = _encoder;
+    _pipeline_ctx->muxer = _muxer;
+    _pipeline_ctx->writer = _writer;
+    _pipeline_ctx->sps_pps_sent = 0;
+    _pipeline_ctx->expected_width = output_width;
+    _pipeline_ctx->expected_height = output_height;
+    _pipeline_ctx->audio_sample_rate = 48000;
+    _pipeline_ctx->audio_channels = 2;
+    pthread_mutex_init(&_pipeline_ctx->muxer_lock, NULL);
+
+    /* Wire the encoder callback -> TS muxer */
+    video_encoder_set_callback(_encoder, encoded_frame_cb, _pipeline_ctx);
+
+    /* --- 5. Create the frame capture (source is the ImageView) --- */
+    _capture = frame_capture_init((__bridge void *)_imageView);
+    if (!_capture) {
+        NSLog(@"stream_manager: failed to create frame capture");
+        [self stopStreaming];
+        return NO;
+    }
+
+    /* Wire the capture callback -> encoder */
+    frame_capture_set_callback(_capture, frame_capture_cb, _pipeline_ctx);
+
+    /* --- 6. Create and configure the HTTP server --- */
+    _server = stream_server_create(port);
+    if (!_server) {
+        NSLog(@"stream_manager: failed to create stream server");
+        [self stopStreaming];
+        return NO;
+    }
+
+    stream_server_set_hls_writer(_server, _writer);
+    stream_server_set_viewer_data(_server, gviewer_htmlData, gviewer_htmlSize);
+    stream_server_set_hlsjs_data(_server, ghls_jsData, ghls_jsSize);
+
+    if (stream_server_start(_server) != 0) {
+        NSLog(@"stream_manager: failed to start stream server on port %d", port);
+        [self stopStreaming];
+        return NO;
+    }
+
+    /* --- 7. Start capturing frames (this kicks off the whole pipeline) --- */
+    if (frame_capture_start(_capture, params->fps) != 0) {
+        NSLog(@"stream_manager: failed to start frame capture");
+        [self stopStreaming];
+        return NO;
+    }
+
+    _streaming = YES;
+    _audio_sample_rate = 0;
+    _audio_channels = 0;
+    _audio_next_pts_us = 0;
+    _audio_pts_initialized = NO;
+
+    NSString *url = [self streamURL];
+    NSLog(@"stream_manager: pipeline started, stream available at %@", url ?: @"(unknown)");
+
+    return YES;
+} // end of function startStreamingOnPort:withQuality:
+
+/**
+ * Stop the streaming pipeline and destroy all components in reverse order.
+ */
+- (void)stopStreaming
+{
+    @synchronized (self) {
+        if (!_streaming && !_capture && !_encoder && !_muxer && !_writer && !_server) {
+            return;
+        }
+
+        NSLog(@"stream_manager: stopping pipeline");
+        _streaming = NO;
+
+        /* Stop in reverse order: capture -> encoder -> muxer -> writer -> server */
+
+    /* 1. Stop and destroy frame capture (stops producing frames) */
+        if (_capture) {
+            frame_capture_stop(_capture);
+            frame_capture_destroy(_capture);
+            _capture = NULL;
+        }
+
+    /* 2. Destroy the video encoder (no more encoded frames after this) */
+        if (_encoder) {
+            video_encoder_destroy(_encoder);
+            _encoder = NULL;
+        }
+
+    /* 3. Destroy the audio encoder */
+        if (_audio_encoder) {
+            aac_encoder_destroy(_audio_encoder);
+            _audio_encoder = NULL;
+        }
+
+    /* 4. Flush and destroy the TS muxer (emit any partial segment) */
+        if (_muxer) {
+            ts_muxer_flush(_muxer);
+            ts_muxer_destroy(_muxer);
+            _muxer = NULL;
+        }
+
+    /* 5. Stop and destroy the HTTP server */
+        if (_server) {
+            stream_server_stop(_server);
+            stream_server_destroy(_server);
+            _server = NULL;
+        }
+
+    /* 6. Destroy the HLS writer (frees segment ring buffer) */
+        if (_writer) {
+            hls_writer_destroy(_writer);
+            _writer = NULL;
+        }
+
+    /* 7. Free the pipeline context */
+        if (_pipeline_ctx) {
+            pthread_mutex_destroy(&_pipeline_ctx->muxer_lock);
+            free(_pipeline_ctx);
+            _pipeline_ctx = NULL;
+        }
+        _audio_sample_rate = 0;
+        _audio_channels = 0;
+        _audio_next_pts_us = 0;
+        _audio_pts_initialized = NO;
+
+        NSLog(@"stream_manager: pipeline stopped");
+    }
+} // end of function stopStreaming
+
+/**
+ * Check whether the pipeline is currently active.
+ * @return YES if streaming
+ */
+- (BOOL)isStreaming
+{
+    return _streaming;
+} // end of function isStreaming
+
+/**
+ * Get the port the HTTP server is listening on.
+ * @return Port number, or 0 if not streaming
+ */
+- (int)port
+{
+    if (_server) {
+        return stream_server_get_port(_server);
+    }
+    return 0;
+} // end of function port
+
+/**
+ * Get the number of currently connected viewers.
+ * @return Active connection count
+ */
+- (int)viewerCount
+{
+    if (_server) {
+        return stream_server_get_connection_count(_server);
+    }
+    return 0;
+} // end of function viewerCount
+
+/**
+ * Get the full stream URL including the local IP address and port.
+ * @return URL string, or nil if not streaming
+ */
+- (NSString *)streamURL
+{
+    if (!_streaming || !_server) {
+        return nil;
+    }
+
+    NSString *ip = get_local_ip_address();
+    if (!ip) {
+        ip = @"127.0.0.1";
+    }
+
+    int active_port = stream_server_get_port(_server);
+    return [NSString stringWithFormat:@"http://%@:%d", ip, active_port];
+} // end of function streamURL
+
+/**
+ * Change the streaming quality. Restarts the pipeline if currently streaming.
+ * @param quality The new quality preset
+ */
+- (void)setQuality:(StreamQuality)quality
+{
+    if (_quality == quality) {
+        return;
+    }
+
+    _quality = quality;
+
+    /* If currently streaming, restart with the new quality */
+    if (_streaming) {
+        int current_port = _port;
+        [self stopStreaming];
+        [self startStreamingOnPort:current_port withQuality:quality];
+    }
+} // end of function setQuality:
+
+/**
+ * Get the current quality preset.
+ * @return The active StreamQuality value
+ */
+- (StreamQuality)currentQuality
+{
+    return _quality;
+} // end of function currentQuality
+
+/**
+ * Generate a QR code NSImage from a string.
+ * Uses CIQRCodeGenerator filter from CoreImage.
+ * @param string The string to encode as a QR code
+ * @param size   The desired image size in points
+ * @return An NSImage of the QR code, or nil on failure
+ */
+static NSImage *generateQRCode(NSString *string, CGFloat size)
+{
+    CIFilter *filter = [CIFilter filterWithName:@"CIQRCodeGenerator"];
+    [filter setValue:[string dataUsingEncoding:NSUTF8StringEncoding] forKey:@"inputMessage"];
+    [filter setValue:@"M" forKey:@"inputCorrectionLevel"];
+
+    CIImage *ciImage = filter.outputImage;
+    if (!ciImage) return nil;
+
+    /* Scale up from the tiny QR to the desired size */
+    CGFloat scale = size / ciImage.extent.size.width;
+    CIImage *scaled = [ciImage imageByApplyingTransform:CGAffineTransformMakeScale(scale, scale)];
+
+    NSCIImageRep *rep = [NSCIImageRep imageRepWithCIImage:scaled];
+    NSImage *image = [[NSImage alloc] initWithSize:rep.size];
+    [image addRepresentation:rep];
+    return image;
+} // end of function generateQRCode()
+
+/**
+ * Show a floating window with the QR code for the stream URL.
+ * The window contains the QR code image and the URL text below it.
+ * Does nothing if the pipeline is not streaming.
+ */
+- (void)showQRCode
+{
+    if (!_streaming) return;
+
+    NSString *url = [self streamURL];
+    if (!url) return;
+
+    NSImage *qrImage = generateQRCode(url, 200);
+    if (!qrImage) return;
+
+    /* Create a floating panel */
+    NSPanel *panel = [[NSPanel alloc]
+        initWithContentRect:NSMakeRect(0, 0, 250, 280)
+        styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskNonactivatingPanel
+        backing:NSBackingStoreBuffered defer:YES];
+    [panel setTitle:@"Código QR"];
+    [panel setLevel:NSFloatingWindowLevel];
+    [panel center];
+
+    NSView *contentView = panel.contentView;
+
+    /* QR code image view */
+    NSImageView *imageView = [[NSImageView alloc] initWithFrame:NSMakeRect(25, 50, 200, 200)];
+    [imageView setImage:qrImage];
+    [imageView setImageScaling:NSImageScaleProportionallyUpOrDown];
+    [contentView addSubview:imageView];
+
+    /* URL label */
+    NSTextField *label = [NSTextField wrappingLabelWithString:url];
+    [label setFrame:NSMakeRect(10, 10, 230, 30)];
+    [label setAlignment:NSTextAlignmentCenter];
+    [label setFont:[NSFont systemFontOfSize:11]];
+    [label setSelectable:YES];
+    [contentView addSubview:label];
+
+    [panel makeKeyAndOrderFront:nil];
+} // end of function showQRCode
+
+/**
+ * Get all local non-loopback IPv4 addresses from active network interfaces.
+ * @return Array of IP address strings
+ */
+- (NSArray *)localIPAddresses
+{
+    NSMutableArray *addresses = [[NSMutableArray alloc] init];
+    struct ifaddrs *interfaces = NULL;
+
+    if (getifaddrs(&interfaces) != 0) {
+        return addresses;
+    }
+
+    struct ifaddrs *cursor = interfaces;
+    while (cursor != NULL) {
+        if (cursor->ifa_addr->sa_family == AF_INET) {
+            unsigned int flags = cursor->ifa_flags;
+            if ((flags & IFF_UP) && !(flags & IFF_LOOPBACK)) {
+                struct sockaddr_in *addr = (struct sockaddr_in *)cursor->ifa_addr;
+                char addr_buf[INET_ADDRSTRLEN];
+                inet_ntop(AF_INET, &addr->sin_addr, addr_buf, sizeof(addr_buf));
+                [addresses addObject:[NSString stringWithUTF8String:addr_buf]];
+            }
+        } // end of block handling AF_INET addresses
+        cursor = cursor->ifa_next;
+    } // end of loop iterating over network interfaces
+
+    freeifaddrs(interfaces);
+    return addresses;
+} // end of function localIPAddresses
+
+static float *
+resample_interleaved_linear(const float *input, int input_frames, int channels,
+                            int input_rate, int output_rate, int *output_frames)
+{
+    if (!input || input_frames <= 0 || channels <= 0 || input_rate <= 0 || output_rate <= 0 || !output_frames) {
+        return NULL;
+    }
+
+    if (input_rate == output_rate) {
+        size_t sample_count = (size_t)input_frames * (size_t)channels;
+        float *copy = malloc(sample_count * sizeof(float));
+        if (!copy) {
+            return NULL;
+        }
+        memcpy(copy, input, sample_count * sizeof(float));
+        *output_frames = input_frames;
+        return copy;
+    }
+
+    double ratio = (double)output_rate / (double)input_rate;
+    int out_frames = (int)floor((double)input_frames * ratio);
+    if (out_frames <= 0) {
+        return NULL;
+    }
+
+    float *out = calloc((size_t)out_frames * (size_t)channels, sizeof(float));
+    if (!out) {
+        return NULL;
+    }
+
+    double step = (double)input_rate / (double)output_rate;
+    for (int i = 0; i < out_frames; i++) {
+        double src_pos = (double)i * step;
+        int idx0 = (int)src_pos;
+        if (idx0 < 0) {
+            idx0 = 0;
+        }
+        if (idx0 >= input_frames) {
+            idx0 = input_frames - 1;
+        }
+        int idx1 = idx0 < (input_frames - 1) ? idx0 + 1 : idx0;
+        float frac = (float)(src_pos - (double)idx0);
+        for (int ch = 0; ch < channels; ch++) {
+            float a = input[(size_t)idx0 * (size_t)channels + (size_t)ch];
+            float b = input[(size_t)idx1 * (size_t)channels + (size_t)ch];
+            out[(size_t)i * (size_t)channels + (size_t)ch] = a + (b - a) * frac;
+        }
+    }
+
+    *output_frames = out_frames;
+    return out;
+}
+
+static float *
+expand_mono_to_stereo(const float *input, int frames)
+{
+    if (!input || frames <= 0) {
+        return NULL;
+    }
+
+    float *out = calloc((size_t)frames * 2, sizeof(float));
+    if (!out) {
+        return NULL;
+    }
+
+    for (int i = 0; i < frames; i++) {
+        float v = input[i];
+        out[(size_t)i * 2] = v;
+        out[(size_t)i * 2 + 1] = v;
+    }
+    return out;
+}
+
+- (void)pushAudioSampleBuffer:(CMSampleBufferRef)sampleBuffer
+{
+    @synchronized (self) {
+        if (!sampleBuffer || !_streaming || !_pipeline_ctx || !_pipeline_ctx->muxer) {
+            return;
+        }
+
+    CMAudioFormatDescriptionRef format_desc = CMSampleBufferGetFormatDescription(sampleBuffer);
+    if (!format_desc) {
+        return;
+    }
+
+    const AudioStreamBasicDescription *asbd = CMAudioFormatDescriptionGetStreamBasicDescription(format_desc);
+    if (!asbd) {
+        return;
+    }
+
+    int channels = (int)asbd->mChannelsPerFrame;
+    int sample_rate = (int)llround(asbd->mSampleRate);
+    int num_frames = (int)CMSampleBufferGetNumSamples(sampleBuffer);
+    if (channels <= 0 || sample_rate <= 0 || num_frames <= 0) {
+        return;
+    }
+
+    size_t abl_size = sizeof(AudioBufferList) + (size_t)(channels > 1 ? (channels - 1) : 0) * sizeof(AudioBuffer);
+    AudioBufferList *audio_list = calloc(1, abl_size);
+    if (!audio_list) {
+        return;
+    }
+    CMBlockBufferRef block_buffer = NULL;
+    OSStatus list_status = CMSampleBufferGetAudioBufferListWithRetainedBlockBuffer(
+        sampleBuffer,
+        NULL,
+        audio_list,
+        abl_size,
+        NULL,
+        NULL,
+        kCMSampleBufferFlag_AudioBufferList_Assure16ByteAlignment,
+        &block_buffer
+    );
+    if (list_status != noErr || audio_list->mNumberBuffers == 0) {
+        free(audio_list);
+        if (block_buffer) {
+            CFRelease(block_buffer);
+        }
+        return;
+    }
+
+    size_t sample_count = (size_t)num_frames * (size_t)channels;
+    float *working = calloc(sample_count, sizeof(float));
+    if (!working) {
+        free(audio_list);
+        if (block_buffer) {
+            CFRelease(block_buffer);
+        }
+        return;
+    }
+
+    int non_interleaved = (asbd->mFormatFlags & kAudioFormatFlagIsNonInterleaved) ? 1 : 0;
+    int is_float = (asbd->mFormatFlags & kAudioFormatFlagIsFloat) ? 1 : 0;
+    int is_signed_int = (asbd->mFormatFlags & kAudioFormatFlagIsSignedInteger) ? 1 : 0;
+    int bits_per_channel = (int)asbd->mBitsPerChannel;
+
+    if (non_interleaved) {
+        for (int ch = 0; ch < channels; ch++) {
+            uint32_t buf_index = (uint32_t)((ch < (int)audio_list->mNumberBuffers) ? ch : 0);
+            AudioBuffer ab = audio_list->mBuffers[buf_index];
+            if (!ab.mData) {
+                continue;
+            }
+
+            if (is_float && bits_per_channel == 32) {
+                const float *src = (const float *)ab.mData;
+                for (int i = 0; i < num_frames; i++) {
+                    working[i * channels + ch] = src[i];
+                }
+            } else if (is_signed_int && bits_per_channel == 16) {
+                const int16_t *src = (const int16_t *)ab.mData;
+                for (int i = 0; i < num_frames; i++) {
+                    working[i * channels + ch] = (float)src[i] / 32768.0f;
+                }
+            }
+        }
+    } else {
+        AudioBuffer ab = audio_list->mBuffers[0];
+        if (ab.mData) {
+            if (is_float && bits_per_channel == 32) {
+                size_t copy_count = sample_count;
+                size_t available = ab.mDataByteSize / sizeof(float);
+                if (available < copy_count) {
+                    copy_count = available;
+                }
+                memcpy(working, ab.mData, copy_count * sizeof(float));
+            } else if (is_signed_int && bits_per_channel == 16) {
+                const int16_t *src = (const int16_t *)ab.mData;
+                size_t available = ab.mDataByteSize / sizeof(int16_t);
+                size_t count = sample_count < available ? sample_count : available;
+                for (size_t i = 0; i < count; i++) {
+                    working[i] = (float)src[i] / 32768.0f;
+                }
+            }
+        }
+    }
+
+    int encode_sample_rate = sample_rate;
+    int encode_channels = channels;
+    int encode_frames = num_frames;
+
+    if (encode_sample_rate > 48000) {
+        int resampled_frames = 0;
+        float *resampled = resample_interleaved_linear(working, encode_frames, encode_channels,
+                                                       encode_sample_rate, 48000, &resampled_frames);
+        if (resampled && resampled_frames > 0) {
+            free(working);
+            working = resampled;
+            encode_frames = resampled_frames;
+            encode_sample_rate = 48000;
+        }
+    }
+
+    if (encode_channels == 1) {
+        float *stereo = expand_mono_to_stereo(working, encode_frames);
+        if (stereo) {
+            free(working);
+            working = stereo;
+            encode_channels = 2;
+        }
+    }
+
+    if (encode_frames <= 0) {
+        free(working);
+        free(audio_list);
+        if (block_buffer) {
+            CFRelease(block_buffer);
+        }
+        return;
+    }
+
+    if (!_audio_encoder || _audio_sample_rate != encode_sample_rate || _audio_channels != encode_channels) {
+        if (_audio_encoder) {
+            aac_encoder_destroy(_audio_encoder);
+            _audio_encoder = NULL;
+        }
+
+        _audio_encoder = aac_encoder_create(encode_sample_rate, encode_channels, 128000);
+        if (!_audio_encoder) {
+            free(working);
+            free(audio_list);
+            if (block_buffer) {
+                CFRelease(block_buffer);
+            }
+            return;
+        }
+
+        _audio_sample_rate = _audio_encoder->sample_rate;
+        _audio_channels = _audio_encoder->channels;
+        _pipeline_ctx->audio_sample_rate = _audio_encoder->sample_rate;
+        _pipeline_ctx->audio_channels = _audio_encoder->channels;
+        _audio_next_pts_us = 0;
+        _audio_pts_initialized = NO;
+        NSLog(@"stream_manager: audio encoder configured %d Hz, %d ch (input %d Hz, %d ch)",
+              _audio_encoder->sample_rate, _audio_encoder->channels, sample_rate, channels);
+    }
+
+    uint64_t pts_us = 0;
+    if (!_audio_pts_initialized) {
+        _audio_next_pts_us = 0;
+        _audio_pts_initialized = YES;
+    }
+    pts_us = _audio_next_pts_us;
+    _audio_next_pts_us += (uint64_t)((double)encode_frames * 1000000.0 / (double)_audio_sample_rate);
+
+        aac_encoder_encode_pcm(_audio_encoder, working, encode_frames, pts_us, encoded_audio_cb, _pipeline_ctx);
+
+        free(working);
+        free(audio_list);
+        if (block_buffer) {
+            CFRelease(block_buffer);
+        }
+    }
+}
+
+/**
+ * Clean up all resources when the manager is deallocated.
+ */
+- (void)dealloc
+{
+    [self stopStreaming];
+} // end of function dealloc
+
+@end
+
+/* ================================================================== */
+/* Internal AAC encoder (PCM float -> AAC LC raw frames)               */
+/* ================================================================== */
+
+typedef struct {
+    const float *pcm;
+    UInt32 frames;
+    UInt32 channels;
+} aac_input_ctx_t;
+
+static OSStatus
+aac_input_data_proc(AudioConverterRef inAudioConverter,
+                    UInt32 *ioNumberDataPackets,
+                    AudioBufferList *ioData,
+                    AudioStreamPacketDescription **outDataPacketDescription,
+                    void *inUserData)
+{
+    (void)inAudioConverter;
+    (void)outDataPacketDescription;
+
+    aac_input_ctx_t *ctx = (aac_input_ctx_t *)inUserData;
+    if (!ctx || !ctx->pcm || !ioNumberDataPackets || *ioNumberDataPackets == 0 || ctx->frames == 0) {
+        *ioNumberDataPackets = 0;
+        return -1;
+    }
+
+    ioData->mNumberBuffers = 1;
+    ioData->mBuffers[0].mNumberChannels = ctx->channels;
+    ioData->mBuffers[0].mData = (void *)ctx->pcm;
+    ioData->mBuffers[0].mDataByteSize = ctx->frames * ctx->channels * sizeof(float);
+    *ioNumberDataPackets = ctx->frames;
+    return noErr;
+}
+
+static aac_encoder_t *
+aac_encoder_create(int sample_rate, int channels, int bitrate)
+{
+    if (sample_rate <= 0 || channels <= 0) {
+        return NULL;
+    }
+
+    aac_encoder_t *enc = calloc(1, sizeof(aac_encoder_t));
+    if (!enc) {
+        return NULL;
+    }
+
+    enc->sample_rate = sample_rate;
+    enc->channels = channels;
+    enc->bitrate = bitrate > 0 ? bitrate : 128000;
+    enc->pcm_capacity_frames = 8192;
+    enc->pcm_frames = 0;
+    enc->pts_initialized = 0;
+    enc->next_pts_us = 0;
+    enc->pcm_buffer = calloc((size_t)enc->pcm_capacity_frames * (size_t)channels, sizeof(float));
+    if (!enc->pcm_buffer) {
+        free(enc);
+        return NULL;
+    }
+
+    memset(&enc->in_asbd, 0, sizeof(enc->in_asbd));
+    enc->in_asbd.mSampleRate = (Float64)sample_rate;
+    enc->in_asbd.mFormatID = kAudioFormatLinearPCM;
+    enc->in_asbd.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsFloat | kAudioFormatFlagIsPacked;
+    enc->in_asbd.mBitsPerChannel = 32;
+    enc->in_asbd.mChannelsPerFrame = (UInt32)channels;
+    enc->in_asbd.mFramesPerPacket = 1;
+    enc->in_asbd.mBytesPerFrame = (UInt32)(channels * (int)sizeof(float));
+    enc->in_asbd.mBytesPerPacket = enc->in_asbd.mBytesPerFrame;
+
+    memset(&enc->out_asbd, 0, sizeof(enc->out_asbd));
+    enc->out_asbd.mSampleRate = (Float64)sample_rate;
+    enc->out_asbd.mFormatID = kAudioFormatMPEG4AAC;
+    enc->out_asbd.mFormatFlags = kMPEG4Object_AAC_LC;
+    enc->out_asbd.mChannelsPerFrame = (UInt32)channels;
+
+    UInt32 out_asbd_size = sizeof(enc->out_asbd);
+    OSStatus format_status = AudioFormatGetProperty(kAudioFormatProperty_FormatInfo,
+                                                    0, NULL,
+                                                    &out_asbd_size, &enc->out_asbd);
+    if (format_status != noErr) {
+        free(enc->pcm_buffer);
+        free(enc);
+        return NULL;
+    }
+
+    OSStatus create_status = AudioConverterNew(&enc->in_asbd, &enc->out_asbd, &enc->converter);
+    if (create_status != noErr || !enc->converter) {
+        free(enc->pcm_buffer);
+        free(enc);
+        return NULL;
+    }
+
+    UInt32 br = (UInt32)enc->bitrate;
+    AudioConverterSetProperty(enc->converter, kAudioConverterEncodeBitRate, sizeof(br), &br);
+
+    return enc;
+}
+
+static void
+aac_encoder_destroy(aac_encoder_t *enc)
+{
+    if (!enc) {
+        return;
+    }
+
+    if (enc->converter) {
+        AudioConverterDispose(enc->converter);
+        enc->converter = NULL;
+    }
+    if (enc->pcm_buffer) {
+        free(enc->pcm_buffer);
+        enc->pcm_buffer = NULL;
+    }
+    free(enc);
+}
+
+static int
+aac_encoder_ensure_pcm_capacity(aac_encoder_t *enc, int needed_frames)
+{
+    if (!enc) {
+        return -1;
+    }
+    if (needed_frames <= enc->pcm_capacity_frames) {
+        return 0;
+    }
+
+    int new_capacity = enc->pcm_capacity_frames;
+    while (new_capacity < needed_frames) {
+        new_capacity *= 2;
+    }
+
+    size_t sample_count = (size_t)new_capacity * (size_t)enc->channels;
+    float *new_buf = realloc(enc->pcm_buffer, sample_count * sizeof(float));
+    if (!new_buf) {
+        return -1;
+    }
+
+    enc->pcm_buffer = new_buf;
+    enc->pcm_capacity_frames = new_capacity;
+    return 0;
+}
+
+static int
+aac_encoder_encode_pcm(aac_encoder_t *enc, const float *samples, int num_frames,
+                       uint64_t pts,
+                       void (*callback)(uint8_t *data, int len, uint64_t pts, void *ctx),
+                       void *callback_ctx)
+{
+    if (!enc || !samples || num_frames <= 0 || !enc->converter) {
+        return -1;
+    }
+
+    if (!enc->pts_initialized) {
+        enc->next_pts_us = pts;
+        enc->pts_initialized = 1;
+    } else {
+        /* Re-anchor if external clock drifts significantly. */
+        uint64_t delta = enc->next_pts_us > pts ? enc->next_pts_us - pts : pts - enc->next_pts_us;
+        if (delta > 2000000ULL) {
+            enc->next_pts_us = pts;
+        }
+    }
+
+    int needed_frames = enc->pcm_frames + num_frames;
+    if (aac_encoder_ensure_pcm_capacity(enc, needed_frames) != 0) {
+        return -1;
+    }
+
+    size_t dst_offset = (size_t)enc->pcm_frames * (size_t)enc->channels;
+    size_t copy_samples = (size_t)num_frames * (size_t)enc->channels;
+    memcpy(enc->pcm_buffer + dst_offset, samples, copy_samples * sizeof(float));
+    enc->pcm_frames += num_frames;
+
+    const int aac_frame_samples = 1024;
+
+    while (enc->pcm_frames >= aac_frame_samples) {
+        aac_input_ctx_t input_ctx;
+        input_ctx.pcm = enc->pcm_buffer;
+        input_ctx.frames = (UInt32)aac_frame_samples;
+        input_ctx.channels = (UInt32)enc->channels;
+
+        uint8_t out_buf[8192];
+        AudioBufferList out_list;
+        out_list.mNumberBuffers = 1;
+        out_list.mBuffers[0].mNumberChannels = (UInt32)enc->channels;
+        out_list.mBuffers[0].mData = out_buf;
+        out_list.mBuffers[0].mDataByteSize = sizeof(out_buf);
+
+        UInt32 out_packets = 1;
+        AudioStreamPacketDescription out_desc = {0};
+        OSStatus enc_status = AudioConverterFillComplexBuffer(
+            enc->converter,
+            aac_input_data_proc,
+            &input_ctx,
+            &out_packets,
+            &out_list,
+            &out_desc
+        );
+
+        if (enc_status == noErr && out_packets > 0 && out_list.mBuffers[0].mDataByteSize > 0 && callback) {
+            uint8_t *copy = malloc(out_list.mBuffers[0].mDataByteSize);
+            if (copy) {
+                memcpy(copy, out_list.mBuffers[0].mData, out_list.mBuffers[0].mDataByteSize);
+                callback(copy, (int)out_list.mBuffers[0].mDataByteSize, enc->next_pts_us, callback_ctx);
+                free(copy);
+            }
+        }
+
+        enc->next_pts_us += (uint64_t)((double)aac_frame_samples * 1000000.0 / (double)enc->sample_rate);
+
+        int remaining_frames = enc->pcm_frames - aac_frame_samples;
+        if (remaining_frames > 0) {
+            size_t remaining_samples = (size_t)remaining_frames * (size_t)enc->channels;
+            memmove(enc->pcm_buffer,
+                    enc->pcm_buffer + ((size_t)aac_frame_samples * (size_t)enc->channels),
+                    remaining_samples * sizeof(float));
+        }
+        enc->pcm_frames = remaining_frames;
+    }
+
+    return 0;
+}
+
+/* ================================================================== */
+/* C callback functions (static, pipeline glue)                        */
+/* ================================================================== */
+
+/**
+ * Frame capture callback. Called for each captured RGBA frame.
+ * Feeds the frame data into the video encoder.
+ * @param rgba_data Raw RGBA32 pixel data (freed after callback returns)
+ * @param width     Frame width in pixels
+ * @param height    Frame height in pixels
+ * @param stride    Bytes per row
+ * @param pts       Presentation timestamp in microseconds
+ * @param ctx       Pipeline context (pipeline_ctx_t *)
+ */
+static void
+frame_capture_cb(uint8_t *rgba_data, int width, int height,
+                 int stride, uint64_t pts, void *ctx)
+{
+    pipeline_ctx_t *pipeline = (pipeline_ctx_t *)ctx;
+    if (!pipeline || !pipeline->encoder) {
+        return;
+    }
+
+    /* Skip frames that are smaller than the encoder expects.
+       The encoder reads enc->width * enc->height pixels from the buffer,
+       so a smaller source would cause out-of-bounds reads. Larger sources
+       are safe (the encoder simply crops to its configured dimensions). */
+    if (width < pipeline->expected_width || height < pipeline->expected_height) {
+        return;
+    }
+
+    video_encoder_encode_frame(pipeline->encoder, rgba_data, stride, pts);
+} // end of function frame_capture_cb()
+
+/**
+ * Encoded frame callback. Called for each encoded H.264 access unit.
+ * Sets SPS/PPS on the muxer when available, then pushes the NAL data.
+ * @param data        Encoded H.264 data in AVCC format (freed after callback returns)
+ * @param len         Length of encoded data in bytes
+ * @param is_keyframe True if this is a keyframe (IDR)
+ * @param sps         SPS NAL unit data (may be NULL)
+ * @param sps_len     Length of SPS data
+ * @param pps         PPS NAL unit data (may be NULL)
+ * @param pps_len     Length of PPS data
+ * @param pts         Presentation timestamp in microseconds
+ * @param ctx         Pipeline context (pipeline_ctx_t *)
+ */
+static void
+encoded_frame_cb(uint8_t *data, int len, bool is_keyframe,
+                 uint8_t *sps, int sps_len,
+                 uint8_t *pps, int pps_len,
+                 uint64_t pts, void *ctx)
+{
+    pipeline_ctx_t *pipeline = (pipeline_ctx_t *)ctx;
+    if (!pipeline || !pipeline->muxer) {
+        return;
+    }
+
+    pthread_mutex_lock(&pipeline->muxer_lock);
+
+    /* Update SPS/PPS on the muxer whenever new parameter sets arrive */
+    if (sps && sps_len > 0 && pps && pps_len > 0) {
+        ts_muxer_set_sps_pps(pipeline->muxer,
+                              sps, (size_t)sps_len,
+                              pps, (size_t)pps_len);
+        pipeline->sps_pps_sent = 1;
+    }
+
+    /* Only push data if we have SPS/PPS configured */
+    if (!pipeline->sps_pps_sent) {
+        pthread_mutex_unlock(&pipeline->muxer_lock);
+        return;
+    }
+
+    ts_muxer_push_h264(pipeline->muxer,
+                        data, (size_t)len,
+                        pts, is_keyframe ? 1 : 0);
+
+    pthread_mutex_unlock(&pipeline->muxer_lock);
+} // end of function encoded_frame_cb()
+
+static void
+encoded_audio_cb(uint8_t *data, int len, uint64_t pts, void *ctx)
+{
+    pipeline_ctx_t *pipeline = (pipeline_ctx_t *)ctx;
+    if (!pipeline || !pipeline->muxer || !data || len <= 0) {
+        return;
+    }
+
+    pthread_mutex_lock(&pipeline->muxer_lock);
+    ts_muxer_push_aac(pipeline->muxer, data, (size_t)len, pts,
+                      pipeline->audio_sample_rate, pipeline->audio_channels);
+    pthread_mutex_unlock(&pipeline->muxer_lock);
+}
+
+/**
+ * TS segment callback. Called when a complete MPEG-TS segment is ready.
+ * Stores the segment in the HLS writer ring buffer.
+ * @param context       HLS writer instance (hls_writer_t *)
+ * @param segment_data  Segment data (copied by hls_writer_add_segment)
+ * @param segment_size  Size of segment data in bytes
+ * @param duration      Segment duration in seconds
+ * @param segment_index Zero-based segment index
+ */
+static void
+segment_cb(void *context, uint8_t *segment_data,
+           size_t segment_size, double duration,
+           uint64_t segment_index)
+{
+    hls_writer_t *writer = (hls_writer_t *)context;
+    if (!writer) {
+        return;
+    }
+
+    hls_writer_add_segment(writer, segment_data, segment_size,
+                           duration, segment_index);
+} // end of function segment_cb()
+
+/* ================================================================== */
+/* Private helper functions                                            */
+/* ================================================================== */
+
+/**
+ * Get the local IP address of the first active non-loopback IPv4 interface.
+ * Prefers en0/en1 (Wi-Fi/Ethernet) interfaces.
+ * @return IP address string, or nil if no suitable interface is found
+ */
+static NSString *
+get_local_ip_address(void)
+{
+    NSString *result = nil;
+    struct ifaddrs *interfaces = NULL;
+
+    if (getifaddrs(&interfaces) != 0) {
+        NSLog(@"stream_manager: getifaddrs() failed");
+        return nil;
+    }
+
+    struct ifaddrs *cursor = interfaces;
+    while (cursor != NULL) {
+        /* Only consider IPv4 addresses */
+        if (cursor->ifa_addr->sa_family != AF_INET) {
+            cursor = cursor->ifa_next;
+            continue;
+        }
+
+        /* Skip interfaces that are not up or are loopback */
+        unsigned int flags = cursor->ifa_flags;
+        if (!(flags & IFF_UP) || (flags & IFF_LOOPBACK)) {
+            cursor = cursor->ifa_next;
+            continue;
+        }
+
+        /* Prefer en0, en1, etc. (Wi-Fi and Ethernet) */
+        NSString *if_name = [NSString stringWithUTF8String:cursor->ifa_name];
+        if ([if_name hasPrefix:@"en"]) {
+            struct sockaddr_in *addr = (struct sockaddr_in *)cursor->ifa_addr;
+            char addr_buf[INET_ADDRSTRLEN];
+            inet_ntop(AF_INET, &addr->sin_addr, addr_buf, sizeof(addr_buf));
+            result = [NSString stringWithUTF8String:addr_buf];
+            break;
+        }
+
+        cursor = cursor->ifa_next;
+    } // end of loop iterating over network interfaces
+
+    freeifaddrs(interfaces);
+    return result;
+} // end of function get_local_ip_address()
+
+/**
+ * Compute the output resolution based on the quality preset and source dimensions.
+ * Clamps to the preset maximum while maintaining the source aspect ratio.
+ * For StreamQualityHigh, uses the native source resolution.
+ * @param quality       Quality preset
+ * @param source_width  Source width in pixels
+ * @param source_height Source height in pixels
+ * @param out_width     Output: computed width (always even for encoder compatibility)
+ * @param out_height    Output: computed height (always even for encoder compatibility)
+ */
+static void
+compute_output_resolution(StreamQuality quality,
+                          int source_width, int source_height,
+                          int *out_width, int *out_height)
+{
+    const quality_params_t *params = &quality_presets[quality];
+
+    int w = source_width;
+    int h = source_height;
+
+    /* If the preset has a maximum, clamp to it while maintaining aspect ratio */
+    if (params->max_width > 0 && params->max_height > 0) {
+        if (w > params->max_width || h > params->max_height) {
+            double scale_w = (double)params->max_width / (double)w;
+            double scale_h = (double)params->max_height / (double)h;
+            double scale = (scale_w < scale_h) ? scale_w : scale_h;
+            w = (int)(w * scale);
+            h = (int)(h * scale);
+        }
+    } // end of block clamping to preset maximum
+
+    /* Ensure dimensions are even (required by most video encoders) */
+    w = (w + 1) & ~1;
+    h = (h + 1) & ~1;
+
+    /* Ensure minimum dimensions */
+    if (w < 2) w = 2;
+    if (h < 2) h = 2;
+
+    *out_width = w;
+    *out_height = h;
+} // end of function compute_output_resolution()
diff --git a/pip/stream_server.h b/pip/stream_server.h
new file mode 100644
index 0000000..8df7814
--- /dev/null
+++ b/pip/stream_server.h
@@ -0,0 +1,105 @@
+/**
+ *  stream_server.h
+ *  PiP
+ *
+ *  Minimal GCD-based HTTP server for HLS streaming. Serves the live HLS
+ *  playlist and MPEG-TS segments from an hls_writer instance, along with
+ *  embedded viewer HTML and hls.js library. Uses dispatch sources for
+ *  non-blocking socket I/O on a dedicated dispatch queue.
+ */
+
+#ifndef STREAM_SERVER_H
+#define STREAM_SERVER_H
+
+#import 
+#include "hls_writer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct stream_server_s stream_server_t;
+
+/**
+ * Create a stream server instance bound to the given port.
+ * The server is not started until stream_server_start() is called.
+ * @param port Port number to listen on (use 8080 as default)
+ * @return New server instance, or NULL on allocation failure
+ */
+stream_server_t *stream_server_create(int port);
+
+/**
+ * Destroy a server instance and release all resources.
+ * Stops the server if it is still running.
+ * @param server The server instance (may be NULL)
+ */
+void stream_server_destroy(stream_server_t *server);
+
+/**
+ * Set the HLS writer to serve content from.
+ * The writer must remain valid for the lifetime of the server.
+ * @param server The server instance
+ * @param writer The HLS writer providing playlist and segment data
+ */
+void stream_server_set_hls_writer(stream_server_t *server, hls_writer_t *writer);
+
+/**
+ * Set the embedded viewer HTML data to serve at the root route.
+ * The data pointer must remain valid for the lifetime of the server.
+ * @param server The server instance
+ * @param data   Pointer to the HTML data (not copied, must stay valid)
+ * @param size   Size of the HTML data in bytes
+ */
+void stream_server_set_viewer_data(stream_server_t *server, const uint8_t *data, size_t size);
+
+/**
+ * Set the embedded hls.js library data to serve.
+ * The data pointer must remain valid for the lifetime of the server.
+ * @param server The server instance
+ * @param data   Pointer to the JavaScript data (not copied, must stay valid)
+ * @param size   Size of the JavaScript data in bytes
+ */
+void stream_server_set_hlsjs_data(stream_server_t *server, const uint8_t *data, size_t size);
+
+/**
+ * Start listening for incoming HTTP connections.
+ * Creates a TCP socket, binds to the configured port, and begins
+ * accepting connections on a dedicated GCD queue.
+ * @param server The server instance
+ * @return 0 on success, -1 on failure
+ */
+int stream_server_start(stream_server_t *server);
+
+/**
+ * Stop the server and close all active connections.
+ * The server can be restarted with stream_server_start().
+ * @param server The server instance
+ */
+void stream_server_stop(stream_server_t *server);
+
+/**
+ * Get the port the server is configured to listen on.
+ * @param server The server instance
+ * @return Port number
+ */
+int stream_server_get_port(stream_server_t *server);
+
+/**
+ * Get the number of currently active client connections.
+ * @param server The server instance
+ * @return Number of active connections
+ */
+int stream_server_get_connection_count(stream_server_t *server);
+
+/**
+ * Check whether the server is currently running and accepting connections.
+ * @param server The server instance
+ * @return Non-zero if running, 0 if stopped
+ */
+int stream_server_is_running(stream_server_t *server);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STREAM_SERVER_H */
diff --git a/pip/stream_server.m b/pip/stream_server.m
new file mode 100644
index 0000000..1a934eb
--- /dev/null
+++ b/pip/stream_server.m
@@ -0,0 +1,766 @@
+/**
+ *  stream_server.m
+ *  PiP
+ *
+ *  Minimal GCD-based HTTP server for HLS streaming.
+ *  Uses dispatch sources for non-blocking socket I/O on a dedicated queue.
+ *  Serves the live HLS playlist, MPEG-TS segments, embedded viewer HTML,
+ *  embedded hls.js library, and a JSON status endpoint.
+ */
+
+#import "stream_server.h"
+#import 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+/* ------------------------------------------------------------------ */
+/* Constants                                                           */
+/* ------------------------------------------------------------------ */
+
+#define MAX_CONNECTIONS     20
+#define READ_BUFFER_SIZE    4096
+#define MAX_REQUEST_SIZE    8192
+
+/* ------------------------------------------------------------------ */
+/* Connection state structure                                          */
+/* ------------------------------------------------------------------ */
+
+typedef struct {
+    int                  fd;          /* client socket file descriptor */
+    dispatch_source_t    read_source; /* GCD read source for this connection */
+    char                 buffer[MAX_REQUEST_SIZE]; /* accumulated request data */
+    size_t               buffer_len;  /* bytes accumulated so far */
+    int                  active;      /* non-zero if this slot is in use */
+} connection_t;
+
+/* ------------------------------------------------------------------ */
+/* Server state structure                                              */
+/* ------------------------------------------------------------------ */
+
+struct stream_server_s {
+    int                  port;             /* configured port number */
+    int                  listen_fd;        /* listening socket fd (-1 if not listening) */
+    int                  running;          /* non-zero if server is running */
+
+    dispatch_queue_t     queue;            /* dedicated serial queue for server I/O */
+    dispatch_source_t    accept_source;    /* GCD source for accept events */
+
+    /* HLS content provider */
+    hls_writer_t        *hls_writer;
+
+    /* Embedded static content (not owned, caller must keep alive) */
+    const uint8_t       *viewer_data;
+    size_t               viewer_size;
+    const uint8_t       *hlsjs_data;
+    size_t               hlsjs_size;
+
+    /* Connection pool */
+    connection_t         connections[MAX_CONNECTIONS];
+    int                  connection_count;
+};
+
+/* ------------------------------------------------------------------ */
+/* Forward declarations (private helpers)                              */
+/* ------------------------------------------------------------------ */
+
+static void accept_connection(stream_server_t *server);
+static void handle_request_data(stream_server_t *server, connection_t *conn);
+static void process_http_request(stream_server_t *server, connection_t *conn, const char *method, const char *path);
+static void send_response(int fd, int status_code, const char *status_text,
+                          const char *content_type, const char *extra_headers,
+                          const uint8_t *body, size_t body_len,
+                          int head_only);
+static void send_text_response(int fd, int status_code, const char *status_text,
+                               const char *content_type, const char *extra_headers,
+                               const char *body, int head_only);
+static int write_all(int fd, const uint8_t *data, size_t len);
+static void close_connection(stream_server_t *server, connection_t *conn);
+static connection_t *find_free_slot(stream_server_t *server);
+
+/* ------------------------------------------------------------------ */
+/* Public API                                                          */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Create a stream server instance bound to the given port.
+ * @param port Port number to listen on (use 8080 as default)
+ * @return New server instance, or NULL on allocation failure
+ */
+stream_server_t *
+stream_server_create(int port)
+{
+    stream_server_t *server = calloc(1, sizeof(stream_server_t));
+    if (!server) {
+        return NULL;
+    }
+
+    server->port = port > 0 ? port : 8080;
+    server->listen_fd = -1;
+    server->running = 0;
+    server->hls_writer = NULL;
+    server->viewer_data = NULL;
+    server->viewer_size = 0;
+    server->hlsjs_data = NULL;
+    server->hlsjs_size = 0;
+    server->connection_count = 0;
+
+    /* Initialize connection pool */
+    for (int i = 0; i < MAX_CONNECTIONS; i++) {
+        server->connections[i].fd = -1;
+        server->connections[i].read_source = NULL;
+        server->connections[i].buffer_len = 0;
+        server->connections[i].active = 0;
+    } // end of loop initializing connection pool
+
+    server->queue = dispatch_queue_create("com.pip.stream_server", DISPATCH_QUEUE_SERIAL);
+
+    return server;
+} // end of function stream_server_create()
+
+/**
+ * Destroy a server instance and release all resources.
+ * @param server The server instance (may be NULL)
+ */
+void
+stream_server_destroy(stream_server_t *server)
+{
+    if (!server) {
+        return;
+    }
+
+    stream_server_stop(server);
+
+    /* The queue is ARC-managed in ObjC, no explicit release needed */
+    server->queue = nil;
+
+    free(server);
+} // end of function stream_server_destroy()
+
+/**
+ * Set the HLS writer to serve content from.
+ * @param server The server instance
+ * @param writer The HLS writer providing playlist and segment data
+ */
+void
+stream_server_set_hls_writer(stream_server_t *server, hls_writer_t *writer)
+{
+    if (server) {
+        server->hls_writer = writer;
+    }
+} // end of function stream_server_set_hls_writer()
+
+/**
+ * Set the embedded viewer HTML data to serve at the root route.
+ * @param server The server instance
+ * @param data   Pointer to the HTML data
+ * @param size   Size of the HTML data in bytes
+ */
+void
+stream_server_set_viewer_data(stream_server_t *server, const uint8_t *data, size_t size)
+{
+    if (server) {
+        server->viewer_data = data;
+        server->viewer_size = size;
+    }
+} // end of function stream_server_set_viewer_data()
+
+/**
+ * Set the embedded hls.js library data to serve.
+ * @param server The server instance
+ * @param data   Pointer to the JavaScript data
+ * @param size   Size of the JavaScript data in bytes
+ */
+void
+stream_server_set_hlsjs_data(stream_server_t *server, const uint8_t *data, size_t size)
+{
+    if (server) {
+        server->hlsjs_data = data;
+        server->hlsjs_size = size;
+    }
+} // end of function stream_server_set_hlsjs_data()
+
+/**
+ * Start listening for incoming HTTP connections.
+ * @param server The server instance
+ * @return 0 on success, -1 on failure
+ */
+int
+stream_server_start(stream_server_t *server)
+{
+    if (!server || server->running) {
+        return -1;
+    }
+
+    /* Create the listening socket */
+    int fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (fd < 0) {
+        NSLog(@"stream_server: failed to create socket");
+        return -1;
+    }
+
+    /* Allow address reuse to avoid "address already in use" on restart */
+    int reuse = 1;
+    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
+
+    /* Bind to all interfaces on the configured port */
+    struct sockaddr_in addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    addr.sin_port = htons((uint16_t)server->port);
+
+    if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+        NSLog(@"stream_server: failed to bind to port %d", server->port);
+        close(fd);
+        return -1;
+    }
+
+    /* Start listening with a backlog matching max connections */
+    if (listen(fd, MAX_CONNECTIONS) < 0) {
+        NSLog(@"stream_server: failed to listen on port %d", server->port);
+        close(fd);
+        return -1;
+    }
+
+    /* Make listening socket non-blocking so accept() can be drained safely. */
+    int listen_flags = fcntl(fd, F_GETFL, 0);
+    if (listen_flags < 0 || fcntl(fd, F_SETFL, listen_flags | O_NONBLOCK) < 0) {
+        NSLog(@"stream_server: failed to set listen socket non-blocking");
+        close(fd);
+        return -1;
+    }
+
+    server->listen_fd = fd;
+    server->running = 1;
+
+    /* Create a GCD dispatch source to handle incoming connections */
+    server->accept_source = dispatch_source_create(
+        DISPATCH_SOURCE_TYPE_READ,
+        (uintptr_t)fd,
+        0,
+        server->queue
+    );
+
+    if (!server->accept_source) {
+        NSLog(@"stream_server: failed to create accept dispatch source");
+        close(fd);
+        server->listen_fd = -1;
+        server->running = 0;
+        return -1;
+    }
+
+    /* Capture server pointer for the event handler block */
+    stream_server_t *srv = server;
+
+    dispatch_source_set_event_handler(server->accept_source, ^{
+        accept_connection(srv);
+    });
+
+    dispatch_source_set_cancel_handler(server->accept_source, ^{
+        close(fd);
+    });
+
+    dispatch_resume(server->accept_source);
+
+    NSLog(@"stream_server: listening on port %d", server->port);
+    return 0;
+} // end of function stream_server_start()
+
+/**
+ * Stop the server and close all active connections.
+ * @param server The server instance
+ */
+void
+stream_server_stop(stream_server_t *server)
+{
+    if (!server || !server->running) {
+        return;
+    }
+
+    server->running = 0;
+
+    /* Cancel the accept source (its cancel handler will close listen_fd) */
+    if (server->accept_source) {
+        dispatch_source_cancel(server->accept_source);
+        server->accept_source = nil;
+    }
+
+    server->listen_fd = -1;
+
+    /* Close all active connections */
+    for (int i = 0; i < MAX_CONNECTIONS; i++) {
+        if (server->connections[i].active) {
+            close_connection(server, &server->connections[i]);
+        }
+    } // end of loop closing all active connections
+
+    NSLog(@"stream_server: stopped");
+} // end of function stream_server_stop()
+
+/**
+ * Get the port the server is configured to listen on.
+ * @param server The server instance
+ * @return Port number
+ */
+int
+stream_server_get_port(stream_server_t *server)
+{
+    return server ? server->port : 0;
+} // end of function stream_server_get_port()
+
+/**
+ * Get the number of currently active client connections.
+ * @param server The server instance
+ * @return Number of active connections
+ */
+int
+stream_server_get_connection_count(stream_server_t *server)
+{
+    return server ? server->connection_count : 0;
+} // end of function stream_server_get_connection_count()
+
+/**
+ * Check whether the server is currently running.
+ * @param server The server instance
+ * @return Non-zero if running, 0 if stopped
+ */
+int
+stream_server_is_running(stream_server_t *server)
+{
+    return server ? server->running : 0;
+} // end of function stream_server_is_running()
+
+/* ------------------------------------------------------------------ */
+/* Private helpers                                                     */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Accept a new incoming connection and set up a GCD read source for it.
+ * Called on the server's dispatch queue when the listen socket is readable.
+ * @param server The server instance
+ */
+static void
+accept_connection(stream_server_t *server)
+{
+    for (;;) {
+        struct sockaddr_in client_addr;
+        socklen_t addr_len = sizeof(client_addr);
+
+        int client_fd = accept(server->listen_fd, (struct sockaddr *)&client_addr, &addr_len);
+        if (client_fd < 0) {
+            if (errno == EAGAIN || errno == EWOULDBLOCK) {
+                /* Backlog drained for this accept event. */
+                break;
+            }
+            if (errno == EINTR) {
+                continue;
+            }
+            NSLog(@"stream_server: accept() failed: %d", errno);
+            break;
+        }
+
+        /* Keep accepted sockets non-blocking so a slow/stalled client cannot
+           block the entire serial server queue while we stream TS data. */
+        int client_flags = fcntl(client_fd, F_GETFL, 0);
+        if (client_flags < 0 || fcntl(client_fd, F_SETFL, client_flags | O_NONBLOCK) < 0) {
+            NSLog(@"stream_server: failed to set O_NONBLOCK on fd=%d", client_fd);
+            close(client_fd);
+            continue;
+        }
+
+        /* Prevent process-wide SIGPIPE termination if a client disconnects
+           while we are writing a response body. */
+        int no_sigpipe = 1;
+        if (setsockopt(client_fd, SOL_SOCKET, SO_NOSIGPIPE, &no_sigpipe, sizeof(no_sigpipe)) < 0) {
+            NSLog(@"stream_server: failed to set SO_NOSIGPIPE on fd=%d", client_fd);
+            close(client_fd);
+            continue;
+        }
+
+        /* Find a free connection slot */
+        connection_t *conn = find_free_slot(server);
+        if (!conn) {
+            NSLog(@"stream_server: max connections reached, rejecting client");
+            close(client_fd);
+            continue;
+        }
+
+        /* Initialize the connection */
+        conn->fd = client_fd;
+        conn->buffer_len = 0;
+        conn->active = 1;
+        server->connection_count++;
+
+        char *client_ip = inet_ntoa(client_addr.sin_addr);
+        int client_port = ntohs(client_addr.sin_port);
+        NSLog(@"stream_server: accepted connection from %s:%d (fd=%d, active=%d)",
+              client_ip, client_port, client_fd, server->connection_count);
+
+        /* Create a GCD read source for this connection */
+        conn->read_source = dispatch_source_create(
+            DISPATCH_SOURCE_TYPE_READ,
+            (uintptr_t)client_fd,
+            0,
+            server->queue
+        );
+
+        if (!conn->read_source) {
+            NSLog(@"stream_server: failed to create read source for fd=%d", client_fd);
+            close(client_fd);
+            conn->fd = -1;
+            conn->active = 0;
+            server->connection_count--;
+            continue;
+        }
+
+        /* Capture pointers for the block.
+           IMPORTANT: capture client_fd by VALUE for the cancel handler, because
+           the connection slot may be reused before the cancel handler runs.
+           If we used c->fd, the cancel handler could close the WRONG fd. */
+        stream_server_t *srv = server;
+        connection_t *c = conn;
+        int fd_to_close = client_fd;
+
+        dispatch_source_set_event_handler(conn->read_source, ^{
+            handle_request_data(srv, c);
+        });
+
+        dispatch_source_set_cancel_handler(conn->read_source, ^{
+            close(fd_to_close);
+        });
+
+        dispatch_resume(conn->read_source);
+    }
+} // end of function accept_connection()
+
+/**
+ * Handle incoming data on a client connection.
+ * Accumulates data in the connection buffer until a complete HTTP request
+ * is detected (double CRLF), then dispatches to process_http_request().
+ * @param server The server instance
+ * @param conn   The connection that has data available
+ */
+static void
+handle_request_data(stream_server_t *server, connection_t *conn)
+{
+    if (!conn->active) {
+        return;
+    }
+
+    char temp_buf[READ_BUFFER_SIZE];
+    ssize_t bytes_read = read(conn->fd, temp_buf, sizeof(temp_buf));
+
+    if (bytes_read <= 0) {
+        /* Connection closed or error */
+        close_connection(server, conn);
+        return;
+    }
+
+    /* Append to connection buffer, respecting max size */
+    size_t space = MAX_REQUEST_SIZE - conn->buffer_len - 1;
+    size_t to_copy = (size_t)bytes_read < space ? (size_t)bytes_read : space;
+    memcpy(conn->buffer + conn->buffer_len, temp_buf, to_copy);
+    conn->buffer_len += to_copy;
+    conn->buffer[conn->buffer_len] = '\0';
+
+    /* Check for end of HTTP headers (double CRLF) */
+    if (strstr(conn->buffer, "\r\n\r\n") || strstr(conn->buffer, "\n\n")) {
+        /* Parse the request line: "METHOD /path HTTP/1.x" */
+        char method[16] = {0};
+        char path[1024] = {0};
+
+        if (sscanf(conn->buffer, "%15s %1023s", method, path) == 2) {
+            process_http_request(server, conn, method, path);
+        } else {
+            send_text_response(conn->fd, 400, "Bad Request",
+                               "text/plain", NULL, "Bad Request\n", 0);
+        }
+
+        /* Close connection after response (HTTP/1.0 style) */
+        close_connection(server, conn);
+    }
+} // end of function handle_request_data()
+
+/**
+ * Process a parsed HTTP request and send the appropriate response.
+ * Routes: / (viewer), /stream.m3u8 (playlist), /segment_N.ts (segments),
+ *         /hls.min.js (library), /status (JSON status).
+ * @param server The server instance
+ * @param conn   The client connection
+ * @param method The HTTP method (e.g. "GET")
+ * @param path   The requested URL path
+ */
+static void
+process_http_request(stream_server_t *server, connection_t *conn, const char *method, const char *path)
+{
+    /* Cache-control headers for live HLS: prevent browsers from caching the
+       playlist or error responses, which would cause playback to stall. */
+    static const char *nocache = "Cache-Control: no-cache, no-store, must-revalidate\r\nPragma: no-cache\r\n";
+
+    /* Only support GET and HEAD requests */
+    int is_head = (strcmp(method, "HEAD") == 0);
+    if (strcmp(method, "GET") != 0 && !is_head) {
+        send_text_response(conn->fd, 405, "Method Not Allowed",
+                           "text/plain", NULL, "Method Not Allowed\n", 0);
+        return;
+    }
+
+    /* Route: GET / - Serve embedded viewer HTML */
+    if (strcmp(path, "/") == 0) {
+        if (server->viewer_data && server->viewer_size > 0) {
+            send_response(conn->fd, 200, "OK",
+                          "text/html; charset=utf-8", NULL,
+                          server->viewer_data, server->viewer_size, is_head);
+        } else {
+            send_text_response(conn->fd, 503, "Service Unavailable",
+                               "text/plain", NULL, "Viewer not configured\n", is_head);
+        }
+        return;
+    }
+
+    /* Route: GET /stream.m3u8 - Serve live HLS playlist (must NOT be cached) */
+    if (strcmp(path, "/stream.m3u8") == 0) {
+        if (!server->hls_writer) {
+            send_text_response(conn->fd, 503, "Service Unavailable",
+                               "text/plain", nocache, "No HLS writer configured\n", is_head);
+            return;
+        }
+
+        char *playlist = hls_writer_get_playlist(server->hls_writer);
+        if (!playlist) {
+            send_text_response(conn->fd, 503, "Service Unavailable",
+                               "text/plain", nocache, "No segments available yet\n", is_head);
+            return;
+        }
+
+        send_text_response(conn->fd, 200, "OK",
+                           "application/vnd.apple.mpegurl", nocache, playlist, is_head);
+        free(playlist);
+        return;
+    } // end of route /stream.m3u8
+
+    /* Route: GET /segment_N.ts - Serve individual MPEG-TS segments */
+    uint64_t segment_index = 0;
+    if (sscanf(path, "/segment_%llu.ts", &segment_index) == 1) {
+        if (!server->hls_writer) {
+            send_text_response(conn->fd, 503, "Service Unavailable",
+                               "text/plain", nocache, "No HLS writer configured\n", is_head);
+            return;
+        }
+
+        uint8_t *seg_data = NULL;
+        size_t seg_size = 0;
+
+        if (hls_writer_get_segment(server->hls_writer, segment_index, &seg_data, &seg_size) == 0) {
+            /* hls_writer_get_segment now returns a malloc'd copy of the data,
+               safe to use without worrying about ring buffer eviction. */
+            send_response(conn->fd, 200, "OK",
+                          "video/mp2t", NULL, seg_data, seg_size, is_head);
+            free(seg_data);
+        } else {
+            send_text_response(conn->fd, 404, "Not Found",
+                               "text/plain", nocache, "Segment not found\n", is_head);
+        }
+        return;
+    } // end of route /segment_N.ts
+
+    /* Route: GET /hls.min.js - Serve embedded hls.js library */
+    if (strcmp(path, "/hls.min.js") == 0) {
+        if (server->hlsjs_data && server->hlsjs_size > 0) {
+            send_response(conn->fd, 200, "OK",
+                          "application/javascript", NULL,
+                          server->hlsjs_data, server->hlsjs_size, is_head);
+        } else {
+            send_text_response(conn->fd, 503, "Service Unavailable",
+                               "text/plain", NULL, "hls.js not configured\n", is_head);
+        }
+        return;
+    }
+
+    /* Route: GET /status - Stream status JSON */
+    if (strcmp(path, "/status") == 0) {
+        int is_streaming = (server->hls_writer != NULL) ? 1 : 0;
+        int seg_count = 0;
+        if (server->hls_writer) {
+            seg_count = hls_writer_segment_count(server->hls_writer);
+            if (seg_count > 0) {
+                is_streaming = 1;
+            } else {
+                is_streaming = 0;
+            }
+        }
+
+        char json_buf[256];
+        snprintf(json_buf, sizeof(json_buf),
+                 "{\"streaming\": %s, \"segments\": %d, \"port\": %d}",
+                 is_streaming ? "true" : "false",
+                 seg_count,
+                 server->port);
+
+        send_text_response(conn->fd, 200, "OK",
+                           "application/json", nocache, json_buf, is_head);
+        return;
+    } // end of route /status
+
+    /* No route matched */
+    send_text_response(conn->fd, 404, "Not Found",
+                       "text/plain", NULL, "Not Found\n", is_head);
+} // end of function process_http_request()
+
+/**
+ * Send an HTTP response with binary body data.
+ * Includes Content-Type, Content-Length, Connection: close, and CORS headers.
+ * @param fd            Client socket file descriptor
+ * @param status_code   HTTP status code (e.g. 200)
+ * @param status_text   HTTP status text (e.g. "OK")
+ * @param content_type  Content-Type header value
+ * @param extra_headers Additional HTTP headers (NULL for none, must end with \r\n)
+ * @param body          Response body data
+ * @param body_len      Length of response body in bytes
+ * @param head_only     If non-zero, send only headers (for HEAD requests)
+ */
+static void
+send_response(int fd, int status_code, const char *status_text,
+              const char *content_type, const char *extra_headers,
+              const uint8_t *body, size_t body_len,
+              int head_only)
+{
+    /* Build the HTTP response header */
+    char header[1024];
+    int header_len = snprintf(header, sizeof(header),
+        "HTTP/1.1 %d %s\r\n"
+        "Content-Type: %s\r\n"
+        "Content-Length: %zu\r\n"
+        "Connection: close\r\n"
+        "Access-Control-Allow-Origin: *\r\n"
+        "%s"
+        "\r\n",
+        status_code, status_text,
+        content_type,
+        body_len,
+        extra_headers ? extra_headers : "");
+
+    /* Send header, then body (skip body for HEAD requests). */
+    if (write_all(fd, (const uint8_t *)header, (size_t)header_len) != 0) {
+        return;
+    }
+
+    if (!head_only && body && body_len > 0) {
+        (void)write_all(fd, body, body_len);
+    }
+} // end of function send_response()
+
+/**
+ * Write the full buffer to a socket.
+ * Retries short writes and transient EINTR/EAGAIN failures.
+ * @return 0 on success, -1 on write failure
+ */
+static int
+write_all(int fd, const uint8_t *data, size_t len)
+{
+    const int max_eagain_retries = 250; /* ~250ms with 1ms sleep */
+    int eagain_retries = 0;
+    size_t total_written = 0;
+    while (total_written < len) {
+        ssize_t written = write(fd, data + total_written, len - total_written);
+        if (written > 0) {
+            total_written += (size_t)written;
+            eagain_retries = 0;
+            continue;
+        }
+        if (written < 0 && errno == EINTR) {
+            continue;
+        }
+        if (written < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)) {
+            eagain_retries++;
+            if (eagain_retries >= max_eagain_retries) {
+                return -1;
+            }
+            usleep(1000);
+            continue;
+        }
+        return -1;
+    }
+    return 0;
+}
+
+/**
+ * Send an HTTP response with a C string body (convenience wrapper).
+ * @param fd            Client socket file descriptor
+ * @param status_code   HTTP status code
+ * @param status_text   HTTP status text
+ * @param content_type  Content-Type header value
+ * @param extra_headers Additional HTTP headers (NULL for none)
+ * @param body          Null-terminated response body string
+ * @param head_only     If non-zero, send only headers (for HEAD requests)
+ */
+static void
+send_text_response(int fd, int status_code, const char *status_text,
+                   const char *content_type, const char *extra_headers,
+                   const char *body, int head_only)
+{
+    send_response(fd, status_code, status_text,
+                  content_type, extra_headers,
+                  (const uint8_t *)body,
+                  body ? strlen(body) : 0,
+                  head_only);
+} // end of function send_text_response()
+
+/**
+ * Close a client connection and free its resources.
+ * Cancels the GCD read source and marks the connection slot as available.
+ * @param server The server instance
+ * @param conn   The connection to close
+ */
+static void
+close_connection(stream_server_t *server, connection_t *conn)
+{
+    if (!conn || !conn->active) {
+        return;
+    }
+
+    conn->active = 0;
+
+    /* Save and invalidate the fd BEFORE cancelling, so that if the slot
+       is reused before the cancel handler runs, the new fd won't be corrupted.
+       The cancel handler captures the fd by VALUE and will close the right one. */
+    int saved_fd = conn->fd;
+    conn->fd = -1;
+
+    if (conn->read_source) {
+        dispatch_source_cancel(conn->read_source);
+        conn->read_source = nil;
+        /* fd will be closed by the cancel handler (which captured it by value) */
+    } else if (saved_fd >= 0) {
+        /* No read_source (error path): close fd directly */
+        close(saved_fd);
+    }
+
+    conn->buffer_len = 0;
+
+    if (server->connection_count > 0) {
+        server->connection_count--;
+    }
+} // end of function close_connection()
+
+/**
+ * Find a free connection slot in the server's connection pool.
+ * @param server The server instance
+ * @return Pointer to a free connection_t slot, or NULL if all slots are in use
+ */
+static connection_t *
+find_free_slot(stream_server_t *server)
+{
+    for (int i = 0; i < MAX_CONNECTIONS; i++) {
+        if (!server->connections[i].active) {
+            return &server->connections[i];
+        }
+    } // end of loop searching for free connection slot
+    return NULL;
+} // end of function find_free_slot()
diff --git a/pip/ts_muxer.c b/pip/ts_muxer.c
new file mode 100644
index 0000000..ab9c235
--- /dev/null
+++ b/pip/ts_muxer.c
@@ -0,0 +1,1147 @@
+/**
+ *  ts_muxer.c
+ *  PiP
+ *
+ *  MPEG-TS muxer implementation. Converts H.264 NAL units (AVCC format)
+ *  into MPEG-TS segments for HLS streaming.
+ *
+ *  MPEG-TS overview:
+ *  - Fixed 188-byte packets, each starting with sync byte 0x47
+ *  - PAT (PID 0x0000) maps programs to PMT PIDs
+ *  - PMT (PID 0x1000) describes elementary streams in a program
+ *  - PES packets on PID 0x0100 carry H.264 video data
+ *  - Each PID has an independent 4-bit continuity counter (wraps at 16)
+ */
+
+#include "ts_muxer.h"
+#include 
+#include 
+#include 
+#include 
+
+/* ------------------------------------------------------------------ */
+/* Constants                                                           */
+/* ------------------------------------------------------------------ */
+
+#define TS_PACKET_SIZE      188
+#define TS_SYNC_BYTE        0x47
+
+#define PID_PAT             0x0000
+#define PID_PMT             0x1000
+#define PID_VIDEO           0x0100
+#define PID_AUDIO           0x0101
+
+#define STREAM_TYPE_H264    0x1B
+#define STREAM_TYPE_AAC     0x0F
+#define STREAM_ID_VIDEO     0xE0
+#define STREAM_ID_AUDIO     0xC0
+
+#define INITIAL_BUFFER_SIZE (256 * 1024)  /* 256 KB */
+#define PCR_INTERVAL_90KHZ 3600          /* 40ms in 90kHz ticks */
+
+/* ------------------------------------------------------------------ */
+/* CRC32/MPEG2 lookup table                                            */
+/* ------------------------------------------------------------------ */
+
+static uint32_t crc32_table[256];
+static pthread_once_t crc32_once = PTHREAD_ONCE_INIT;
+
+/**
+ * Initialize the CRC32/MPEG2 lookup table.
+ * MPEG-2 CRC uses polynomial 0x04C11DB7 with no final inversion.
+ * Thread-safe via pthread_once.
+ */
+static void
+crc32_init_table(void)
+{
+    for (int i = 0; i < 256; i++) {
+        uint32_t crc = (uint32_t)i << 24;
+        for (int j = 0; j < 8; j++) {
+            if (crc & 0x80000000) {
+                crc = (crc << 1) ^ 0x04C11DB7;
+            } else {
+                crc = crc << 1;
+            }
+        } // end of bit loop (j)
+        crc32_table[i] = crc;
+    } // end of byte loop (i)
+} // end of function crc32_init_table()
+
+/**
+ * Compute CRC32/MPEG2 over a block of data.
+ * @param data   Pointer to the data
+ * @param length Number of bytes
+ * @return CRC32 value
+ */
+static uint32_t
+crc32_mpeg2(const uint8_t *data, size_t length)
+{
+    pthread_once(&crc32_once, crc32_init_table);
+
+    uint32_t crc = 0xFFFFFFFF;
+    for (size_t i = 0; i < length; i++) {
+        crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ data[i]) & 0xFF];
+    }
+    return crc;
+} // end of function crc32_mpeg2()
+
+/* ------------------------------------------------------------------ */
+/* Muxer state structure                                               */
+/* ------------------------------------------------------------------ */
+
+struct ts_muxer_s {
+    /* Segment configuration */
+    int segment_duration_seconds;
+    ts_segment_callback_t callback;
+    void *callback_ctx;
+
+    /* SPS/PPS parameter sets (stored copies, without start codes) */
+    uint8_t *sps;
+    size_t sps_size;
+    uint8_t *pps;
+    size_t pps_size;
+
+    /* Segment buffer (accumulates TS packets) */
+    uint8_t *segment_buf;
+    size_t segment_buf_size;     /* allocated size */
+    size_t segment_buf_used;     /* bytes written */
+
+    /* Timing */
+    uint64_t segment_start_pts;  /* PTS of first frame in current segment (us) */
+    uint64_t segment_last_pts;   /* PTS of last frame pushed (us) */
+    int segment_has_data;        /* non-zero if segment_buf has any video data */
+
+    /* Segment index counter */
+    uint64_t segment_index;
+
+    /* Continuity counters (4-bit, per PID) */
+    uint8_t cc_pat;
+    uint8_t cc_pmt;
+    uint8_t cc_video;
+    uint8_t cc_audio;
+
+    /* AAC configuration used to build ADTS headers */
+    int audio_sample_rate;
+    int audio_channels;
+    int has_audio;
+    int segment_audio_enabled;
+
+    /* Startup/resync state: drop frames until first IDR */
+    int waiting_for_keyframe;
+
+    /* PCR cadence: next deadline in 90kHz ticks for PCR insertion */
+    uint64_t next_pcr_90khz;
+};
+
+/* ------------------------------------------------------------------ */
+/* Internal helpers: buffer management                                 */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Ensure the segment buffer has room for at least `needed` more bytes.
+ * Grows the buffer by 2x when capacity is insufficient.
+ * @param muxer  The muxer instance
+ * @param needed Number of additional bytes required
+ * @return 0 on success, -1 on allocation failure
+ */
+static int
+ensure_buffer_space(ts_muxer_t *muxer, size_t needed)
+{
+    if (muxer->segment_buf_used + needed <= muxer->segment_buf_size) {
+        return 0;
+    }
+
+    size_t new_size = muxer->segment_buf_size;
+    while (new_size < muxer->segment_buf_used + needed) {
+        new_size *= 2;
+    }
+
+    uint8_t *new_buf = realloc(muxer->segment_buf, new_size);
+    if (!new_buf) {
+        return -1;
+    }
+
+    muxer->segment_buf = new_buf;
+    muxer->segment_buf_size = new_size;
+    return 0;
+} // end of function ensure_buffer_space()
+
+/**
+ * Append a complete 188-byte TS packet to the segment buffer.
+ * @param muxer  The muxer instance
+ * @param packet Pointer to a 188-byte TS packet
+ * @return 0 on success, -1 on allocation failure
+ */
+static int
+append_ts_packet(ts_muxer_t *muxer, const uint8_t *packet)
+{
+    if (ensure_buffer_space(muxer, TS_PACKET_SIZE) != 0) {
+        return -1;
+    }
+    memcpy(muxer->segment_buf + muxer->segment_buf_used, packet, TS_PACKET_SIZE);
+    muxer->segment_buf_used += TS_PACKET_SIZE;
+    return 0;
+} // end of function append_ts_packet()
+
+/* ------------------------------------------------------------------ */
+/* Internal helpers: TS packet construction                            */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Write a PAT (Program Association Table) as a single TS packet.
+ *
+ * PAT structure (after TS header + pointer_field):
+ *   table_id (8)         = 0x00
+ *   section_syntax (1)   = 1
+ *   '0' (1)              = 0
+ *   reserved (2)         = 0x3
+ *   section_length (12)  = 13 (5 header + 4 program + 4 CRC)
+ *   transport_stream_id (16) = 0x0001
+ *   reserved (2)         = 0x3
+ *   version (5)          = 0
+ *   current_next (1)     = 1
+ *   section_number (8)   = 0
+ *   last_section (8)     = 0
+ *   program_number (16)  = 0x0001
+ *   reserved (3)         = 0x7
+ *   program_map_PID (13) = 0x1000
+ *   CRC32 (32)
+ *
+ * @param muxer The muxer instance
+ * @return 0 on success, -1 on failure
+ */
+static int
+write_pat(ts_muxer_t *muxer)
+{
+    uint8_t packet[TS_PACKET_SIZE];
+    memset(packet, 0xFF, TS_PACKET_SIZE);
+
+    /* TS header (4 bytes) */
+    packet[0] = TS_SYNC_BYTE;
+    packet[1] = 0x40 | ((PID_PAT >> 8) & 0x1F);  /* PUSI=1, PID high */
+    packet[2] = PID_PAT & 0xFF;                    /* PID low */
+    packet[3] = 0x10 | (muxer->cc_pat & 0x0F);    /* no adaptation, payload only */
+    muxer->cc_pat = (muxer->cc_pat + 1) & 0x0F;
+
+    /* Pointer field (1 byte) */
+    packet[4] = 0x00;
+
+    /* PAT section data */
+    int section_start = 5;
+    uint8_t *p = &packet[section_start];
+
+    p[0] = 0x00;  /* table_id */
+    /* section_syntax_indicator=1, '0'=0, reserved=11, section_length=13 */
+    p[1] = 0xB0;
+    p[2] = 13;    /* section_length: 5 (after length) + 4 (program) + 4 (CRC) */
+    p[3] = 0x00;  /* transport_stream_id high */
+    p[4] = 0x01;  /* transport_stream_id low */
+    /* reserved=11, version=00000, current_next=1 */
+    p[5] = 0xC1;
+    p[6] = 0x00;  /* section_number */
+    p[7] = 0x00;  /* last_section_number */
+    /* program_number = 1 */
+    p[8] = 0x00;
+    p[9] = 0x01;
+    /* reserved=111, program_map_PID = 0x1000 */
+    p[10] = 0xE0 | ((PID_PMT >> 8) & 0x1F);
+    p[11] = PID_PMT & 0xFF;
+
+    /* CRC32 over section data (from table_id to just before CRC) */
+    uint32_t crc = crc32_mpeg2(p, 12);
+    p[12] = (crc >> 24) & 0xFF;
+    p[13] = (crc >> 16) & 0xFF;
+    p[14] = (crc >> 8) & 0xFF;
+    p[15] = crc & 0xFF;
+
+    return append_ts_packet(muxer, packet);
+} // end of function write_pat()
+
+/**
+ * Write a PMT (Program Map Table) as a single TS packet.
+ *
+ * PMT structure (after TS header + pointer_field):
+ *   table_id (8)         = 0x02
+ *   section_syntax (1)   = 1
+ *   '0' (1)              = 0
+ *   reserved (2)         = 0x3
+ *   section_length (12)  = 18 (video only) or 23 (video + audio)
+ *   program_number (16)  = 0x0001
+ *   reserved (2)         = 0x3
+ *   version (5)          = 0
+ *   current_next (1)     = 1
+ *   section_number (8)   = 0
+ *   last_section (8)     = 0
+ *   reserved (3)         = 0x7
+ *   PCR_PID (13)         = 0x0100
+ *   reserved (4)         = 0xF
+ *   program_info_length (12) = 0
+ *   -- stream entry (video) --
+ *   stream_type (8)      = 0x1B (H.264)
+ *   reserved (3)         = 0x7
+ *   elementary_PID (13)  = 0x0100
+ *   reserved (4)         = 0xF
+ *   ES_info_length (12)  = 0
+ *   -- optional stream entry (audio) --
+ *   stream_type (8)      = 0x0F (AAC/ADTS)
+ *   reserved (3)         = 0x7
+ *   elementary_PID (13)  = 0x0101
+ *   reserved (4)         = 0xF
+ *   ES_info_length (12)  = 0
+ *   CRC32 (32)
+ *
+ * @param muxer The muxer instance
+ * @return 0 on success, -1 on failure
+ */
+static int
+write_pmt(ts_muxer_t *muxer)
+{
+    uint8_t packet[TS_PACKET_SIZE];
+    memset(packet, 0xFF, TS_PACKET_SIZE);
+
+    /* TS header (4 bytes) */
+    packet[0] = TS_SYNC_BYTE;
+    packet[1] = 0x40 | ((PID_PMT >> 8) & 0x1F);  /* PUSI=1, PID high */
+    packet[2] = PID_PMT & 0xFF;                    /* PID low */
+    packet[3] = 0x10 | (muxer->cc_pmt & 0x0F);    /* no adaptation, payload only */
+    muxer->cc_pmt = (muxer->cc_pmt + 1) & 0x0F;
+
+    /* Pointer field */
+    packet[4] = 0x00;
+
+    /* PMT section data */
+    int section_start = 5;
+    uint8_t *p = &packet[section_start];
+
+    p[0] = 0x02;  /* table_id */
+    int section_length = muxer->has_audio ? 23 : 18;
+    /* section_syntax_indicator=1, '0'=0, reserved=11 */
+    p[1] = 0xB0;
+    p[2] = (uint8_t)section_length;
+    p[3] = 0x00;  /* program_number high */
+    p[4] = 0x01;  /* program_number low */
+    /* reserved=11, version=00000, current_next=1 */
+    p[5] = 0xC1;
+    p[6] = 0x00;  /* section_number */
+    p[7] = 0x00;  /* last_section_number */
+    /* reserved=111, PCR_PID = 0x0100 */
+    p[8] = 0xE0 | ((PID_VIDEO >> 8) & 0x1F);
+    p[9] = PID_VIDEO & 0xFF;
+    /* reserved=1111, program_info_length = 0 */
+    p[10] = 0xF0;
+    p[11] = 0x00;
+
+    /* Stream entry: H.264 video on PID 0x0100 */
+    p[12] = STREAM_TYPE_H264;   /* stream_type */
+    /* reserved=111, elementary_PID = 0x0100 */
+    p[13] = 0xE0 | ((PID_VIDEO >> 8) & 0x1F);
+    p[14] = PID_VIDEO & 0xFF;
+    /* reserved=1111, ES_info_length = 0 */
+    p[15] = 0xF0;
+    p[16] = 0x00;
+
+    int section_data_len = 17; /* through video entry */
+
+    if (muxer->has_audio) {
+        /* Optional stream entry: AAC audio on PID 0x0101 */
+        p[17] = STREAM_TYPE_AAC;
+        p[18] = 0xE0 | ((PID_AUDIO >> 8) & 0x1F);
+        p[19] = PID_AUDIO & 0xFF;
+        p[20] = 0xF0;
+        p[21] = 0x00;
+        section_data_len = 22;
+    }
+
+    /* CRC32 over section data (from table_id through stream entries) */
+    uint32_t crc = crc32_mpeg2(p, (size_t)section_data_len);
+    p[section_data_len + 0] = (crc >> 24) & 0xFF;
+    p[section_data_len + 1] = (crc >> 16) & 0xFF;
+    p[section_data_len + 2] = (crc >> 8) & 0xFF;
+    p[section_data_len + 3] = crc & 0xFF;
+
+    return append_ts_packet(muxer, packet);
+} // end of function write_pmt()
+
+/**
+ * Write 5-byte PTS (or DTS) field in PES header format.
+ * The 33-bit timestamp is encoded across 5 bytes with marker bits.
+ *
+ * Format: '00xx' (4 bits marker) | PTS[32..30] | '1' | PTS[29..15] | '1' | PTS[14..0] | '1'
+ *
+ * @param buf    Destination buffer (at least 5 bytes)
+ * @param marker Upper 4-bit marker value (0x20 for PTS-only, 0x30 for PTS in PTS+DTS, 0x10 for DTS)
+ * @param ts     The 33-bit timestamp in 90kHz units
+ */
+static void
+write_pts_dts(uint8_t *buf, uint8_t marker, uint64_t ts)
+{
+    buf[0] = (uint8_t)(marker | (((ts >> 30) & 0x07) << 1) | 0x01);
+    buf[1] = (uint8_t)((ts >> 22) & 0xFF);
+    buf[2] = (uint8_t)((((ts >> 15) & 0x7F) << 1) | 0x01);
+    buf[3] = (uint8_t)((ts >> 7) & 0xFF);
+    buf[4] = (uint8_t)(((ts & 0x7F) << 1) | 0x01);
+} // end of function write_pts_dts()
+
+/**
+ * Write PCR (Program Clock Reference) into a 6-byte adaptation field area.
+ * PCR = base (33 bits, 90 kHz) + extension (9 bits, 27 MHz).
+ * We set extension to 0 for simplicity (sufficient precision for HLS).
+ *
+ * Format: base[32..25] | base[24..17] | base[16..9] | base[8..1] |
+ *         base[0] | reserved(6) | ext[8] | ext[7..0]
+ *
+ * @param buf      Destination buffer (at least 6 bytes)
+ * @param pcr_base The 33-bit PCR base value in 90kHz units
+ */
+static void
+write_pcr(uint8_t *buf, uint64_t pcr_base)
+{
+    uint64_t pcr_ext = 0;
+    buf[0] = (uint8_t)((pcr_base >> 25) & 0xFF);
+    buf[1] = (uint8_t)((pcr_base >> 17) & 0xFF);
+    buf[2] = (uint8_t)((pcr_base >> 9) & 0xFF);
+    buf[3] = (uint8_t)((pcr_base >> 1) & 0xFF);
+    buf[4] = (uint8_t)(((pcr_base & 0x01) << 7) | 0x7E | ((pcr_ext >> 8) & 0x01));
+    buf[5] = (uint8_t)(pcr_ext & 0xFF);
+} // end of function write_pcr()
+
+/**
+ * Build an Annex B formatted access unit from AVCC-format NAL data.
+ * On keyframes, SPS and PPS are prepended with start codes.
+ *
+ * AVCC format: [4-byte big-endian length][NAL unit] repeated
+ * Annex B format: [00 00 00 01][NAL unit] repeated
+ *
+ * @param muxer       The muxer instance (for SPS/PPS)
+ * @param avcc_data   Input AVCC-format NAL data
+ * @param avcc_size   Size of avcc_data in bytes
+ * @param is_keyframe Non-zero to prepend SPS/PPS
+ * @param out_data    Output pointer to allocated Annex B data (caller must free)
+ * @param out_size    Output size of the Annex B data
+ * @return 0 on success, -1 on failure
+ */
+static int
+build_annex_b_au(ts_muxer_t *muxer, uint8_t *avcc_data, size_t avcc_size,
+                 int is_keyframe, uint8_t **out_data, size_t *out_size)
+{
+    /* Calculate output size: for each NAL, replace 4-byte length with 4-byte start code.
+       Add 6 bytes for AUD NAL unit (start code + 2-byte NAL).
+       For keyframes, also add SPS (4 + sps_size) and PPS (4 + pps_size). */
+    size_t estimated_size = avcc_size + 6;  /* +6 for AUD NAL with start code */
+    if (is_keyframe && muxer->sps && muxer->pps) {
+        estimated_size += 4 + muxer->sps_size + 4 + muxer->pps_size;
+    }
+
+    uint8_t *buf = malloc(estimated_size);
+    if (!buf) {
+        return -1;
+    }
+
+    size_t offset = 0;
+
+    /* Prepend AUD (Access Unit Delimiter) NAL unit.
+       Required by HLS spec for proper access unit boundary detection in browsers.
+       AUD NAL: nal_ref_idc=0, nal_unit_type=9, primary_pic_type=7 (any). */
+    buf[offset++] = 0x00;
+    buf[offset++] = 0x00;
+    buf[offset++] = 0x00;
+    buf[offset++] = 0x01;
+    buf[offset++] = 0x09;  /* NAL header: type 9 (AUD) */
+    buf[offset++] = 0xF0;  /* primary_pic_type=7 (111), rbsp_stop=1, align=0000 */
+
+    /* Prepend SPS and PPS with Annex B start codes on keyframes */
+    if (is_keyframe && muxer->sps && muxer->pps) {
+        /* SPS */
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x01;
+        memcpy(buf + offset, muxer->sps, muxer->sps_size);
+        offset += muxer->sps_size;
+
+        /* PPS */
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x01;
+        memcpy(buf + offset, muxer->pps, muxer->pps_size);
+        offset += muxer->pps_size;
+    } // end of keyframe SPS/PPS prepend
+
+    /* Convert each NAL unit from AVCC (length-prefixed) to Annex B (start code prefixed) */
+    int parse_error = 0;
+    size_t pos = 0;
+    while (pos + 4 <= avcc_size) {
+        /* Read 4-byte big-endian NAL unit length */
+        uint32_t nal_len = ((uint32_t)avcc_data[pos] << 24) |
+                           ((uint32_t)avcc_data[pos + 1] << 16) |
+                           ((uint32_t)avcc_data[pos + 2] << 8) |
+                           ((uint32_t)avcc_data[pos + 3]);
+        pos += 4;
+
+        if (nal_len == 0 || pos + nal_len > avcc_size) {
+            parse_error = 1;
+            break;
+        }
+
+        /* Write Annex B start code */
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x00;
+        buf[offset++] = 0x01;
+
+        /* Copy NAL unit data */
+        memcpy(buf + offset, avcc_data + pos, nal_len);
+        offset += nal_len;
+        pos += nal_len;
+    } // end of AVCC-to-Annex-B NAL conversion loop
+
+    /* Treat malformed AVCC data as a hard error: don't emit partial AUs.
+       Also reject if trailing bytes remain (pos != avcc_size). */
+    if (parse_error || offset == 0 || pos != avcc_size) {
+        free(buf);
+        return -1;
+    }
+
+    *out_data = buf;
+    *out_size = offset;
+    return 0;
+} // end of function build_annex_b_au()
+
+/**
+ * Write a PES-wrapped H.264 access unit as a series of TS packets.
+ * The first TS packet includes an adaptation field with PCR (for keyframes)
+ * and the PES header with PTS. Subsequent packets are continuation packets.
+ *
+ * @param muxer       The muxer instance
+ * @param au_data     Annex B formatted access unit data
+ * @param au_size     Size of au_data in bytes
+ * @param pts_us      Presentation timestamp in microseconds
+ * @param is_keyframe Non-zero if this is a keyframe
+ * @return 0 on success, -1 on failure
+ */
+static int
+write_pes_packets(ts_muxer_t *muxer, uint8_t *au_data, size_t au_size,
+                  uint64_t pts_us, int is_keyframe)
+{
+    /* Convert PTS from microseconds to 90kHz MPEG-TS clock */
+    uint64_t pts_90khz = pts_us * 90 / 1000;
+
+    /* Build PES header */
+    /* PES header: start_code(3) + stream_id(1) + pes_length(2) + flags(2) + header_data_length(1) + PTS(5) = 14 bytes */
+    uint8_t pes_header[14];
+    pes_header[0] = 0x00;  /* packet_start_code_prefix */
+    pes_header[1] = 0x00;
+    pes_header[2] = 0x01;
+    pes_header[3] = STREAM_ID_VIDEO;  /* stream_id */
+
+    /* PES packet length: 0 means unbounded (allowed for video in TS) */
+    pes_header[4] = 0x00;
+    pes_header[5] = 0x00;
+
+    /* Flags: '10' (2), PES_scrambling_control=00, PES_priority=0,
+       data_alignment_indicator=1, copyright=0, original_or_copy=0 */
+    pes_header[6] = 0x84;  /* 10 00 0 1 0 0 = 0x84 (data alignment set) */
+    /* PTS_DTS_flags=10 (PTS only), rest=0 */
+    pes_header[7] = 0x80;
+    /* PES_header_data_length = 5 (PTS only) */
+    pes_header[8] = 0x05;
+
+    /* Write PTS (marker 0x20 for PTS-only) */
+    write_pts_dts(&pes_header[9], 0x20, pts_90khz);
+
+    size_t pes_header_len = 14;
+
+    /* Total PES payload = PES header + AU data */
+    size_t total_payload = pes_header_len + au_size;
+    size_t payload_pos = 0;  /* how much of total_payload we've written */
+
+    int first_packet = 1;
+
+    while (payload_pos < total_payload) {
+        uint8_t packet[TS_PACKET_SIZE];
+        memset(packet, 0xFF, TS_PACKET_SIZE);
+
+        /* TS header (4 bytes) */
+        packet[0] = TS_SYNC_BYTE;
+
+        uint8_t pusi = first_packet ? 0x40 : 0x00;
+        packet[1] = pusi | ((PID_VIDEO >> 8) & 0x1F);
+        packet[2] = PID_VIDEO & 0xFF;
+
+        size_t header_size = 4;   /* TS header so far */
+        size_t adapt_size = 0;    /* adaptation field size (including length byte) */
+        int include_adapt = 0;
+
+        /* Calculate available payload space to determine if we need adaptation field stuffing */
+        size_t remaining_payload = total_payload - payload_pos;
+
+        /* Determine if this packet needs PCR:
+           - Always on keyframe first packets (with random_access_indicator)
+           - On first packet when PCR cadence deadline is reached (~40ms) */
+        int need_pcr = 0;
+        if (first_packet) {
+            if (is_keyframe || pts_90khz >= muxer->next_pcr_90khz) {
+                need_pcr = 1;
+            }
+        }
+
+        if (need_pcr) {
+            /* Include adaptation field with PCR.
+               Adaptation field: length(1) + flags(1) + PCR(6) = 8 bytes */
+            include_adapt = 1;
+            adapt_size = 8;
+
+            size_t available = TS_PACKET_SIZE - header_size - adapt_size;
+            if (remaining_payload < available) {
+                /* Need stuffing bytes to fill the packet */
+                size_t stuff = available - remaining_payload;
+                adapt_size += stuff;
+            }
+
+            packet[3] = 0x30 | (muxer->cc_video & 0x0F);  /* adaptation + payload */
+            muxer->cc_video = (muxer->cc_video + 1) & 0x0F;
+
+            /* Adaptation field */
+            size_t af_start = header_size;
+            packet[af_start] = (uint8_t)(adapt_size - 1);  /* adaptation_field_length (excludes itself) */
+            /* Flags: PCR_flag=1, random_access_indicator=1 only on keyframes */
+            packet[af_start + 1] = is_keyframe ? 0x50 : 0x10;  /* PCR + optional random_access */
+
+            /* PCR (6 bytes) */
+            write_pcr(&packet[af_start + 2], pts_90khz);
+            muxer->next_pcr_90khz = pts_90khz + PCR_INTERVAL_90KHZ;
+
+            /* Fill remaining adaptation field with stuffing bytes (0xFF) */
+            for (size_t s = 8; s < adapt_size; s++) {
+                packet[af_start + s] = 0xFF;
+            }
+        } else {
+            /* No PCR needed: may still need adaptation field for stuffing
+               if payload doesn't fill the packet */
+            size_t available = TS_PACKET_SIZE - header_size;
+            if (remaining_payload < available) {
+                /* Need adaptation field for stuffing */
+                include_adapt = 1;
+                adapt_size = available - remaining_payload;
+
+                /* Minimum adaptation field is 1 byte (length=0, no flags).
+                   If >= 2 bytes, we have length byte + flags byte + optional stuffing. */
+                if (adapt_size == 1) {
+                    /* adaptation_field_length = 0: just the length byte, no flags */
+                    adapt_size = 1;
+                } else if (adapt_size < 2) {
+                    adapt_size = 2;
+                }
+
+                packet[3] = 0x30 | (muxer->cc_video & 0x0F);  /* adaptation + payload */
+                muxer->cc_video = (muxer->cc_video + 1) & 0x0F;
+
+                size_t af_start = header_size;
+                packet[af_start] = (uint8_t)(adapt_size - 1);  /* adaptation_field_length */
+                if (adapt_size >= 2) {
+                    packet[af_start + 1] = 0x00;  /* no flags set */
+                }
+                /* Stuff remaining with 0xFF */
+                for (size_t s = 2; s < adapt_size; s++) {
+                    packet[af_start + s] = 0xFF;
+                }
+            } else {
+                /* No adaptation field needed, payload fills entire packet */
+                packet[3] = 0x10 | (muxer->cc_video & 0x0F);  /* payload only */
+                muxer->cc_video = (muxer->cc_video + 1) & 0x0F;
+            }
+        } // end of TS header + adaptation field construction
+
+        /* Calculate payload offset within the packet */
+        size_t payload_start = header_size + (include_adapt ? adapt_size : 0);
+        size_t payload_space = TS_PACKET_SIZE - payload_start;
+
+        /* Copy payload data (PES header first, then AU data) */
+        size_t written = 0;
+        while (written < payload_space && payload_pos < total_payload) {
+            if (payload_pos < pes_header_len) {
+                /* Still writing PES header bytes */
+                size_t pes_remaining = pes_header_len - payload_pos;
+                size_t space_remaining = payload_space - written;
+                size_t chunk = (pes_remaining < space_remaining) ? pes_remaining : space_remaining;
+                memcpy(&packet[payload_start + written], &pes_header[payload_pos], chunk);
+                payload_pos += chunk;
+                written += chunk;
+            } else {
+                /* Writing AU data */
+                size_t au_offset = payload_pos - pes_header_len;
+                size_t au_remaining = au_size - au_offset;
+                size_t space_remaining = payload_space - written;
+                size_t chunk = (au_remaining < space_remaining) ? au_remaining : space_remaining;
+                memcpy(&packet[payload_start + written], &au_data[au_offset], chunk);
+                payload_pos += chunk;
+                written += chunk;
+            }
+        } // end of payload copy loop
+
+        if (append_ts_packet(muxer, packet) != 0) {
+            return -1;
+        }
+
+        first_packet = 0;
+    } // end of TS packet generation loop for this PES
+
+    return 0;
+} // end of function write_pes_packets()
+
+/**
+ * Map AAC sample rate (Hz) to ADTS sampling_frequency_index.
+ * Falls back to 48 kHz index when unknown.
+ */
+static int
+aac_sample_rate_index(int sample_rate)
+{
+    static const int rates[] = {
+        96000, 88200, 64000, 48000, 44100, 32000,
+        24000, 22050, 16000, 12000, 11025, 8000, 7350
+    };
+
+    for (int i = 0; i < (int)(sizeof(rates) / sizeof(rates[0])); i++) {
+        if (rates[i] == sample_rate) {
+            return i;
+        }
+    }
+    return 3; /* 48kHz */
+}
+
+/**
+ * Build a 7-byte ADTS header for one AAC-LC frame.
+ */
+static void
+build_adts_header(uint8_t *hdr, size_t aac_payload_size, int sample_rate, int channels)
+{
+    int sr_idx = aac_sample_rate_index(sample_rate);
+    int chan = channels < 1 ? 2 : channels;
+    if (chan > 7) {
+        chan = 2;
+    }
+
+    size_t frame_len = aac_payload_size + 7;
+
+    /* MPEG-4 AAC LC, no CRC */
+    hdr[0] = 0xFF;
+    hdr[1] = 0xF1; /* 1111 1 00 1: sync + MPEG-4 + layer + protection_absent */
+    hdr[2] = (uint8_t)(((2 - 1) << 6) | ((sr_idx & 0x0F) << 2) | ((chan >> 2) & 0x01));
+    hdr[3] = (uint8_t)(((chan & 0x03) << 6) | ((frame_len >> 11) & 0x03));
+    hdr[4] = (uint8_t)((frame_len >> 3) & 0xFF);
+    hdr[5] = (uint8_t)(((frame_len & 0x07) << 5) | 0x1F);
+    hdr[6] = 0xFC;
+}
+
+/**
+ * Write a PES-wrapped AAC frame as TS packets on the audio PID.
+ */
+static int
+write_pes_audio_packets(ts_muxer_t *muxer, uint8_t *adts_frame, size_t adts_size, uint64_t pts_us)
+{
+    uint64_t pts_90khz = pts_us * 90 / 1000;
+
+    uint8_t pes_header[14];
+    pes_header[0] = 0x00;
+    pes_header[1] = 0x00;
+    pes_header[2] = 0x01;
+    pes_header[3] = STREAM_ID_AUDIO;
+
+    /* PES length includes bytes after this field: 3 + 5 + payload */
+    uint32_t pes_len = (uint32_t)(adts_size + 8);
+    if (pes_len > 0xFFFF) {
+        pes_len = 0;
+    }
+    pes_header[4] = (uint8_t)((pes_len >> 8) & 0xFF);
+    pes_header[5] = (uint8_t)(pes_len & 0xFF);
+    pes_header[6] = 0x80;
+    pes_header[7] = 0x80; /* PTS only */
+    pes_header[8] = 0x05;
+    write_pts_dts(&pes_header[9], 0x20, pts_90khz);
+
+    size_t pes_header_len = 14;
+    size_t total_payload = pes_header_len + adts_size;
+    size_t payload_pos = 0;
+    int first_packet = 1;
+
+    while (payload_pos < total_payload) {
+        uint8_t packet[TS_PACKET_SIZE];
+        memset(packet, 0xFF, TS_PACKET_SIZE);
+
+        packet[0] = TS_SYNC_BYTE;
+        packet[1] = (first_packet ? 0x40 : 0x00) | ((PID_AUDIO >> 8) & 0x1F);
+        packet[2] = PID_AUDIO & 0xFF;
+
+        size_t header_size = 4;
+        size_t remaining_payload = total_payload - payload_pos;
+        size_t payload_start = header_size;
+        size_t payload_space = TS_PACKET_SIZE - payload_start;
+
+        if (remaining_payload < payload_space) {
+            /* Add adaptation field stuffing on final short packet. */
+            size_t adapt_size = payload_space - remaining_payload;
+            if (adapt_size < 2) {
+                adapt_size = 2;
+            }
+
+            packet[3] = 0x30 | (muxer->cc_audio & 0x0F);
+            muxer->cc_audio = (muxer->cc_audio + 1) & 0x0F;
+
+            size_t af_start = header_size;
+            packet[af_start] = (uint8_t)(adapt_size - 1);
+            packet[af_start + 1] = 0x00;
+            for (size_t s = 2; s < adapt_size; s++) {
+                packet[af_start + s] = 0xFF;
+            }
+
+            payload_start = header_size + adapt_size;
+            payload_space = TS_PACKET_SIZE - payload_start;
+        } else {
+            packet[3] = 0x10 | (muxer->cc_audio & 0x0F);
+            muxer->cc_audio = (muxer->cc_audio + 1) & 0x0F;
+        }
+
+        size_t written = 0;
+        while (written < payload_space && payload_pos < total_payload) {
+            if (payload_pos < pes_header_len) {
+                size_t pes_remaining = pes_header_len - payload_pos;
+                size_t space_remaining = payload_space - written;
+                size_t chunk = (pes_remaining < space_remaining) ? pes_remaining : space_remaining;
+                memcpy(&packet[payload_start + written], &pes_header[payload_pos], chunk);
+                payload_pos += chunk;
+                written += chunk;
+            } else {
+                size_t adts_offset = payload_pos - pes_header_len;
+                size_t adts_remaining = adts_size - adts_offset;
+                size_t space_remaining = payload_space - written;
+                size_t chunk = (adts_remaining < space_remaining) ? adts_remaining : space_remaining;
+                memcpy(&packet[payload_start + written], &adts_frame[adts_offset], chunk);
+                payload_pos += chunk;
+                written += chunk;
+            }
+        }
+
+        if (append_ts_packet(muxer, packet) != 0) {
+            return -1;
+        }
+
+        first_packet = 0;
+    }
+
+    return 0;
+}
+
+/**
+ * Drop the current segment due to an error, resetting buffer state
+ * and forcing re-sync on the next keyframe.
+ * @param muxer The muxer instance
+ */
+static void
+drop_current_segment(ts_muxer_t *muxer)
+{
+    muxer->segment_buf_used = 0;
+    muxer->segment_has_data = 0;
+    muxer->segment_start_pts = 0;
+    muxer->segment_last_pts = 0;
+    muxer->waiting_for_keyframe = 1;
+    muxer->segment_audio_enabled = 0;
+} // end of function drop_current_segment()
+
+/**
+ * Emit the current segment via the callback and reset the buffer.
+ * Calculates segment duration from the PTS of the first and last frames.
+ * @param muxer The muxer instance
+ */
+static void
+emit_segment(ts_muxer_t *muxer)
+{
+    if (!muxer->segment_has_data || muxer->segment_buf_used == 0) {
+        return;
+    }
+
+    double duration = 0.0;
+    if (muxer->segment_last_pts > muxer->segment_start_pts) {
+        duration = (double)(muxer->segment_last_pts - muxer->segment_start_pts) / 1000000.0;
+    }
+
+    if (muxer->callback) {
+        muxer->callback(muxer->callback_ctx, muxer->segment_buf,
+                        muxer->segment_buf_used, duration, muxer->segment_index);
+    }
+
+    muxer->segment_index++;
+    muxer->segment_buf_used = 0;
+    muxer->segment_has_data = 0;
+    muxer->segment_audio_enabled = 0;
+} // end of function emit_segment()
+
+/* ------------------------------------------------------------------ */
+/* Public API                                                          */
+/* ------------------------------------------------------------------ */
+
+/**
+ * Create a new MPEG-TS muxer instance.
+ * @param segment_duration_seconds Target duration for each segment in seconds
+ * @param callback                 Callback to invoke when a segment is complete
+ * @param context                  User context passed to the callback
+ * @return New muxer instance, or NULL on allocation failure
+ */
+ts_muxer_t *
+ts_muxer_create(int segment_duration_seconds, ts_segment_callback_t callback, void *context)
+{
+    ts_muxer_t *muxer = calloc(1, sizeof(ts_muxer_t));
+    if (!muxer) {
+        return NULL;
+    }
+
+    muxer->segment_duration_seconds = segment_duration_seconds;
+    muxer->callback = callback;
+    muxer->callback_ctx = context;
+
+    muxer->sps = NULL;
+    muxer->sps_size = 0;
+    muxer->pps = NULL;
+    muxer->pps_size = 0;
+
+    muxer->segment_buf = malloc(INITIAL_BUFFER_SIZE);
+    if (!muxer->segment_buf) {
+        free(muxer);
+        return NULL;
+    }
+    muxer->segment_buf_size = INITIAL_BUFFER_SIZE;
+    muxer->segment_buf_used = 0;
+
+    muxer->segment_start_pts = 0;
+    muxer->segment_last_pts = 0;
+    muxer->segment_has_data = 0;
+    muxer->segment_index = 0;
+
+    muxer->cc_pat = 0;
+    muxer->cc_pmt = 0;
+    muxer->cc_video = 0;
+    muxer->cc_audio = 0;
+    muxer->audio_sample_rate = 48000;
+    muxer->audio_channels = 2;
+    muxer->has_audio = 0;
+    muxer->segment_audio_enabled = 0;
+
+    muxer->waiting_for_keyframe = 1;  /* wait for first IDR before emitting data */
+    muxer->next_pcr_90khz = 0;       /* force PCR on first AU */
+
+    return muxer;
+} // end of function ts_muxer_create()
+
+/**
+ * Destroy a muxer instance and free all associated resources.
+ * @param muxer The muxer instance to destroy (may be NULL)
+ */
+void
+ts_muxer_destroy(ts_muxer_t *muxer)
+{
+    if (!muxer) {
+        return;
+    }
+
+    if (muxer->segment_buf) {
+        free(muxer->segment_buf);
+        muxer->segment_buf = NULL;
+    }
+
+    if (muxer->sps) {
+        free(muxer->sps);
+        muxer->sps = NULL;
+    }
+
+    if (muxer->pps) {
+        free(muxer->pps);
+        muxer->pps = NULL;
+    }
+
+    free(muxer);
+} // end of function ts_muxer_destroy()
+
+/**
+ * Push an H.264 access unit (one or more NAL units) to the muxer.
+ * The data must be in AVCC format (4-byte big-endian length prefix per NAL).
+ * The muxer converts to Annex B format, wraps in PES/TS packets, and
+ * accumulates into the current segment.
+ *
+ * Segment boundary logic: when a keyframe arrives and the current segment
+ * duration >= target duration, the current segment is emitted first.
+ *
+ * @param muxer       The muxer instance
+ * @param nal_data    H.264 NAL data in AVCC format
+ * @param nal_size    Size of nal_data in bytes
+ * @param pts         Presentation timestamp in microseconds
+ * @param is_keyframe Non-zero if this is a keyframe (IDR)
+ */
+void
+ts_muxer_push_h264(ts_muxer_t *muxer, uint8_t *nal_data, size_t nal_size,
+                   uint64_t pts, int is_keyframe)
+{
+    if (!muxer || !nal_data || nal_size == 0) {
+        return;
+    }
+
+    /* Drop frames until first IDR after start or error recovery */
+    if (muxer->waiting_for_keyframe) {
+        if (!is_keyframe) {
+            return;
+        }
+        muxer->waiting_for_keyframe = 0;
+    }
+
+    /* Check if we should start a new segment:
+       a keyframe has arrived and the current segment has enough duration.
+       Use a tolerance of 100ms to account for keyframes arriving slightly
+       before the exact boundary (e.g. 1.967s when target is 2.0s). */
+    if (is_keyframe && muxer->segment_has_data) {
+        double elapsed = (double)(pts - muxer->segment_start_pts) / 1000000.0;
+        double threshold = (double)muxer->segment_duration_seconds - 0.1;
+        if (elapsed >= threshold) {
+            emit_segment(muxer);
+        }
+    } // end of segment boundary check
+
+    /* If starting a new segment (either first frame or after emit), record start PTS */
+    if (!muxer->segment_has_data) {
+        muxer->segment_start_pts = pts;
+
+        /* Write PAT and PMT at the start of each segment */
+        if (write_pat(muxer) != 0 || write_pmt(muxer) != 0) {
+            drop_current_segment(muxer);
+            return;
+        }
+        muxer->segment_audio_enabled = muxer->has_audio;
+    }
+
+    /* Convert AVCC to Annex B format */
+    uint8_t *au_data = NULL;
+    size_t au_size = 0;
+    if (build_annex_b_au(muxer, nal_data, nal_size, is_keyframe, &au_data, &au_size) != 0) {
+        drop_current_segment(muxer);
+        return;
+    }
+
+    /* Write PES-wrapped TS packets */
+    if (write_pes_packets(muxer, au_data, au_size, pts, is_keyframe) != 0) {
+        free(au_data);
+        drop_current_segment(muxer);
+        return;
+    }
+
+    free(au_data);
+
+    muxer->segment_last_pts = pts;
+    muxer->segment_has_data = 1;
+} // end of function ts_muxer_push_h264()
+
+void
+ts_muxer_push_aac(ts_muxer_t *muxer, uint8_t *aac_data, size_t aac_size,
+                  uint64_t pts, int sample_rate, int channels)
+{
+    if (!muxer || !aac_data || aac_size == 0) {
+        return;
+    }
+
+    /* Keep muxer audio config up to date for ADTS headers. */
+    if (sample_rate > 0) {
+        muxer->audio_sample_rate = sample_rate;
+    }
+    if (channels > 0) {
+        muxer->audio_channels = channels;
+    }
+
+    if (!muxer->has_audio) {
+        /* Enable audio from the next segment boundary to keep PMT and packets aligned. */
+        muxer->has_audio = 1;
+        return;
+    }
+
+    /* Do not start segments from audio before first video keyframe, and only
+       write audio when this segment's PMT advertises an audio stream. */
+    if (muxer->waiting_for_keyframe || !muxer->segment_has_data || !muxer->segment_audio_enabled) {
+        return;
+    }
+
+    uint8_t *adts_frame = malloc(aac_size + 7);
+    if (!adts_frame) {
+        return;
+    }
+
+    build_adts_header(adts_frame, aac_size, muxer->audio_sample_rate, muxer->audio_channels);
+    memcpy(adts_frame + 7, aac_data, aac_size);
+
+    if (write_pes_audio_packets(muxer, adts_frame, aac_size + 7, pts) != 0) {
+        free(adts_frame);
+        drop_current_segment(muxer);
+        return;
+    }
+
+    free(adts_frame);
+
+    if (pts > muxer->segment_last_pts) {
+        muxer->segment_last_pts = pts;
+    }
+    muxer->segment_has_data = 1;
+}
+
+/**
+ * Set the SPS and PPS parameter sets for the H.264 stream.
+ * These are stored internally and prepended to keyframes in the TS output.
+ * @param muxer    The muxer instance
+ * @param sps      SPS NAL unit data (without start code or length prefix)
+ * @param sps_size Size of the SPS data in bytes
+ * @param pps      PPS NAL unit data (without start code or length prefix)
+ * @param pps_size Size of the PPS data in bytes
+ */
+void
+ts_muxer_set_sps_pps(ts_muxer_t *muxer, uint8_t *sps, size_t sps_size,
+                      uint8_t *pps, size_t pps_size)
+{
+    if (!muxer) {
+        return;
+    }
+
+    /* Update SPS */
+    if (sps && sps_size > 0) {
+        uint8_t *new_sps = malloc(sps_size);
+        if (new_sps) {
+            if (muxer->sps) {
+                free(muxer->sps);
+            }
+            memcpy(new_sps, sps, sps_size);
+            muxer->sps = new_sps;
+            muxer->sps_size = sps_size;
+        }
+    }
+
+    /* Update PPS */
+    if (pps && pps_size > 0) {
+        uint8_t *new_pps = malloc(pps_size);
+        if (new_pps) {
+            if (muxer->pps) {
+                free(muxer->pps);
+            }
+            memcpy(new_pps, pps, pps_size);
+            muxer->pps = new_pps;
+            muxer->pps_size = pps_size;
+        }
+    }
+} // end of function ts_muxer_set_sps_pps()
+
+/**
+ * Flush the current segment, invoking the callback with whatever data
+ * has been accumulated so far. Used when stopping the stream.
+ * @param muxer The muxer instance
+ */
+void
+ts_muxer_flush(ts_muxer_t *muxer)
+{
+    if (!muxer) {
+        return;
+    }
+
+    emit_segment(muxer);
+} // end of function ts_muxer_flush()
diff --git a/pip/ts_muxer.h b/pip/ts_muxer.h
new file mode 100644
index 0000000..c823ccf
--- /dev/null
+++ b/pip/ts_muxer.h
@@ -0,0 +1,105 @@
+/**
+ *  ts_muxer.h
+ *  PiP
+ *
+ *  MPEG-TS muxer for converting H.264 NAL units into MPEG-TS segments
+ *  suitable for HLS streaming. Accepts AVCC-format H.264 data and produces
+ *  188-byte MPEG-TS packet streams organized into timed segments.
+ *
+ *  Thread safety: All calls to a single ts_muxer_t instance must be
+ *  serialized (e.g. on a single dispatch queue). The segment callback
+ *  must NOT re-enter the muxer.
+ */
+
+#ifndef TS_MUXER_H
+#define TS_MUXER_H
+
+#include 
+#include 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ts_muxer_s ts_muxer_t;
+
+/**
+ * Callback invoked when a complete MPEG-TS segment is ready.
+ * @param context      User-provided context pointer
+ * @param segment_data Pointer to the segment data (caller must copy if needed)
+ * @param segment_size Size of the segment data in bytes
+ * @param duration     Duration of the segment in seconds
+ * @param segment_index Zero-based index of this segment
+ */
+typedef void (*ts_segment_callback_t)(
+    void *context,
+    uint8_t *segment_data,
+    size_t segment_size,
+    double duration,
+    uint64_t segment_index
+);
+
+/**
+ * Create a new MPEG-TS muxer instance.
+ * @param segment_duration_seconds Target duration for each segment in seconds
+ * @param callback                 Callback to invoke when a segment is complete
+ * @param context                  User context passed to the callback
+ * @return New muxer instance, or NULL on allocation failure
+ */
+ts_muxer_t *ts_muxer_create(int segment_duration_seconds, ts_segment_callback_t callback, void *context);
+
+/**
+ * Destroy a muxer instance and free all associated resources.
+ * @param muxer The muxer instance to destroy (may be NULL)
+ */
+void ts_muxer_destroy(ts_muxer_t *muxer);
+
+/**
+ * Push an H.264 access unit (one or more NAL units) to the muxer.
+ * The data must be in AVCC format (4-byte big-endian length prefix per NAL).
+ * The muxer converts to Annex B format, wraps in PES/TS packets, and
+ * accumulates into the current segment.
+ * @param muxer       The muxer instance
+ * @param nal_data    H.264 NAL data in AVCC format
+ * @param nal_size    Size of nal_data in bytes
+ * @param pts         Presentation timestamp in microseconds
+ * @param is_keyframe Non-zero if this is a keyframe (IDR)
+ */
+void ts_muxer_push_h264(ts_muxer_t *muxer, uint8_t *nal_data, size_t nal_size, uint64_t pts, int is_keyframe);
+
+/**
+ * Push one raw AAC frame (no ADTS header) to the muxer.
+ * The muxer wraps it in ADTS + PES + TS packets on the audio PID.
+ * @param muxer       The muxer instance
+ * @param aac_data    Raw AAC frame bytes
+ * @param aac_size    Size of aac_data in bytes
+ * @param pts         Presentation timestamp in microseconds
+ * @param sample_rate AAC sample rate in Hz
+ * @param channels    AAC channel count
+ */
+void ts_muxer_push_aac(ts_muxer_t *muxer, uint8_t *aac_data, size_t aac_size,
+                       uint64_t pts, int sample_rate, int channels);
+
+/**
+ * Set the SPS and PPS parameter sets for the H.264 stream.
+ * These are stored internally and prepended to keyframes in the TS output.
+ * @param muxer    The muxer instance
+ * @param sps      SPS NAL unit data (without start code or length prefix)
+ * @param sps_size Size of the SPS data in bytes
+ * @param pps      PPS NAL unit data (without start code or length prefix)
+ * @param pps_size Size of the PPS data in bytes
+ */
+void ts_muxer_set_sps_pps(ts_muxer_t *muxer, uint8_t *sps, size_t sps_size, uint8_t *pps, size_t pps_size);
+
+/**
+ * Flush the current segment, invoking the callback with whatever data
+ * has been accumulated so far. Used when stopping the stream.
+ * @param muxer The muxer instance
+ */
+void ts_muxer_flush(ts_muxer_t *muxer);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TS_MUXER_H */
diff --git a/pip/video_encoder.m b/pip/video_encoder.m
index e698732..cac7e90 100644
--- a/pip/video_encoder.m
+++ b/pip/video_encoder.m
@@ -186,6 +186,41 @@ static void compression_output_callback(void *outputCallbackRefCon,
   enc->frame_count++;
 }
 
+int
+video_encoder_set_keyframe_interval(video_encoder_t *enc, int keyframe_interval_frames)
+{
+  if (!enc || !enc->compression_session || keyframe_interval_frames <= 0) {
+    return -1;
+  }
+
+  CFNumberRef keyframe_interval_num = CFNumberCreate(NULL, kCFNumberIntType, &keyframe_interval_frames);
+  if (!keyframe_interval_num) {
+    return -1;
+  }
+
+  OSStatus status = VTSessionSetProperty(enc->compression_session,
+                                         kVTCompressionPropertyKey_MaxKeyFrameInterval,
+                                         keyframe_interval_num);
+  CFRelease(keyframe_interval_num);
+  if (status != noErr) {
+    NSLog(@"video_encoder: failed to set MaxKeyFrameInterval: %d", (int)status);
+    return -1;
+  }
+
+  if (enc->fps > 0) {
+    double interval_seconds = (double)keyframe_interval_frames / (double)enc->fps;
+    CFNumberRef keyframe_duration_num = CFNumberCreate(NULL, kCFNumberDoubleType, &interval_seconds);
+    if (keyframe_duration_num) {
+      VTSessionSetProperty(enc->compression_session,
+                           kVTCompressionPropertyKey_MaxKeyFrameIntervalDuration,
+                           keyframe_duration_num);
+      CFRelease(keyframe_duration_num);
+    }
+  }
+
+  return 0;
+}
+
 video_encoder_t *
 video_encoder_init(int width, int height, int fps, int bitrate)
 {
@@ -259,12 +294,11 @@ static void compression_output_callback(void *outputCallbackRefCon,
   CFRelease(rate_limit_values[1]);
   CFRelease(data_rate_limits);
 
-  // Set keyframe interval (every 2 seconds at target fps)
-  // AirPlay typically uses 2-second keyframe intervals for better error recovery
+  // Default keyframe interval: every ~2 seconds.
+  // StreamManager may override this to 1 second for lower HLS latency.
   int keyframe_interval = fps * 2;
-  CFNumberRef keyframe_interval_num = CFNumberCreate(NULL, kCFNumberIntType, &keyframe_interval);
-  VTSessionSetProperty(enc->compression_session, kVTCompressionPropertyKey_MaxKeyFrameInterval, keyframe_interval_num);
-  CFRelease(keyframe_interval_num);
+  if (keyframe_interval < 1) keyframe_interval = 1;
+  video_encoder_set_keyframe_interval(enc, keyframe_interval);
 
   // Set expected frame rate
   CFNumberRef fps_num = CFNumberCreate(NULL, kCFNumberIntType, &fps);
diff --git a/pip/viewer.html b/pip/viewer.html
new file mode 100644
index 0000000..3d31e9c
--- /dev/null
+++ b/pip/viewer.html
@@ -0,0 +1,199 @@
+
+
+
+    
+    
+    PiP Stream
+    
+
+
+    

+        
+        

+            
Transmisión en vivo

+            
Cargando...

+        

+        

+            
+            Cargando...
+        

+    

+
+    
+    
+
+
diff --git a/pip/window.h b/pip/window.h
index ab06ae2..09a8b6f 100644
--- a/pip/window.h
+++ b/pip/window.h
@@ -15,6 +15,7 @@
 #import "preferences.h"
 #import "selectionView.h"
 #import "HLSPlayer.h"
+#import "stream_manager.h"
 #ifndef NO_AIRPLAY
 #import "airplaySender.h"
 #endif
@@ -55,7 +56,7 @@
 - (void) setEnable:(bool) en;
 @end
 
-@interface Window : NSPanel
 #import 
 #ifndef NO_AIRPLAY
@@ -420,6 +421,17 @@ - (void)setImage:(NSImage *)image {
 }
 @end
 
+/**
+ * A view that passes through all mouse events to views behind it.
+ * Used for the source hint overlay so right-click menus still work.
+ */
+@interface PassthroughView : NSView
+@end
+
+@implementation PassthroughView
+- (NSView *)hitTest:(NSPoint)point { return nil; }
+@end
+
 @interface NSImage (ImageAdditions)
 +(NSImage *)swatchWithColor:(NSColor *)color size:(NSSize)size;
 @end
@@ -735,6 +747,28 @@ - (void)magnifyWithEvent:(NSEvent *)event{
 
 @end
 
+// Forward declaration for methods called from C callbacks
+@interface Window (DisconnectHandling)
+- (void)handleDisplayDisconnected:(CGDirectDisplayID)displayId;
+@end
+
+/**
+ * C callback for display reconfiguration events.
+ * Called when a display is added, removed, or reconfigured.
+ * The userInfo parameter is a pointer to the Window instance.
+ * @param display The display that was reconfigured
+ * @param flags The type of reconfiguration
+ * @param userInfo Pointer to the Window instance
+ */
+static void displayReconfigurationCallback(CGDirectDisplayID display, CGDisplayChangeSummaryFlags flags, void* userInfo){
+  if(flags & kCGDisplayRemoveFlag){
+    Window* window = (__bridge Window*)userInfo;
+    dispatch_async(dispatch_get_main_queue(), ^{
+      [window handleDisplayDisconnected:display];
+    });
+  }
+} // End of displayReconfigurationCallback()
+
 @implementation Window{
   NSTimer* timer;
   NSView* butCont;
@@ -783,6 +817,9 @@ @implementation Window{
   NSTimer* mouse_timer;
   bool mouse_timer_rerun;
 
+  NSView* sourceHintOverlay;
+  NSTextField* hintLabel;
+
   NSString* airplay_title;
   bool was_floating;
   bool is_playing;
@@ -796,9 +833,17 @@ @implementation Window{
   AVCaptureSession* camera_session;
   AVCaptureDeviceInput* camera_input;
   AVCaptureVideoDataOutput* camera_output;
+  AVCaptureAudioDataOutput* camera_audio_output;
   NSString* camera_id;
   AVCaptureDeviceFormat* camera_format;
   AVCaptureDevicePosition camera_position;
+  uint64_t camera_audio_sample_count;
+
+  // Camera audio capture and playback using AVCaptureAudioPreviewOutput
+  AVCaptureAudioPreviewOutput* camera_audio_preview;
+  bool camera_audio_enabled;
+  bool camera_audio_monitoring;  // Local audio monitoring (does not affect HLS streaming)
+  bool camera_has_microphone;
 #if __has_include()
   SCStream *window_stream API_AVAILABLE(macos(12.3));
   SCStreamConfiguration *window_stream_config API_AVAILABLE(macos(12.3));
@@ -813,6 +858,7 @@ @implementation Window{
   bool is_airplay_sending;
   dispatch_queue_t senderQueue;  // Serial queue for sender operations
 #endif
+  StreamManager* streamManager;
 }
 
 - (id) initWithAirplay:(bool)enable andTitle:(NSString*)title{
@@ -831,8 +877,16 @@ - (id) initWithAirplay:(bool)enable andTitle:(NSString*)title{
   camera_session = nil;
   camera_input = nil;
   camera_output = nil;
+  camera_audio_output = nil;
   camera_id = nil;
   camera_format = nil;
+  camera_audio_sample_count = 0;
+
+  // Initialize camera audio variables
+  camera_audio_preview = nil;
+  camera_audio_enabled = true;  // Enabled by default
+  camera_audio_monitoring = true;  // Local monitoring enabled by default
+  camera_has_microphone = false;
 #if __has_include()
   if (@available(macOS 12.3, *)) {
     window_stream = nil;
@@ -867,6 +921,7 @@ - (id) initWithAirplay:(bool)enable andTitle:(NSString*)title{
   self.movable = YES;
   self.delegate = self;
   self.releasedWhenClosed = NO;
+  self.hidesOnDeactivate = NO;
   self.level = NSFloatingWindowLevel;
   self.movableByWindowBackground = YES;
   self.titlebarAppearsTransparent = true;
@@ -1038,6 +1093,32 @@ - (id) initWithAirplay:(bool)enable andTitle:(NSString*)title{
   [[hlsButCont.widthAnchor constraintEqualToConstant:hlsButContRect.size.width] setActive:true];
   [[hlsButCont.centerXAnchor constraintEqualToAnchor:rootView.centerXAnchor constant:-hlsButContRect.origin.x] setActive:true];
 
+  // Create source hint overlay for blank windows
+  if(!is_airplay_session){
+    sourceHintOverlay = [[PassthroughView alloc] initWithFrame:kStartRect];
+    sourceHintOverlay.wantsLayer = YES;
+    sourceHintOverlay.layer.backgroundColor = [[NSColor colorWithWhite:0.0 alpha:0.6] CGColor];
+    sourceHintOverlay.layer.cornerRadius = 10;
+    sourceHintOverlay.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
+
+    hintLabel = [[NSTextField alloc] init];
+    hintLabel.stringValue = @"Right-click to select source";
+    hintLabel.editable = NO;
+    hintLabel.selectable = NO;
+    hintLabel.bezeled = NO;
+    hintLabel.drawsBackground = NO;
+    hintLabel.textColor = [NSColor whiteColor];
+    hintLabel.font = [NSFont systemFontOfSize:14 weight:NSFontWeightMedium];
+    hintLabel.alignment = NSTextAlignmentCenter;
+    hintLabel.translatesAutoresizingMaskIntoConstraints = NO;
+
+    [sourceHintOverlay addSubview:hintLabel];
+    [sourceHintOverlay addConstraint:[NSLayoutConstraint constraintWithItem:hintLabel attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:sourceHintOverlay attribute:NSLayoutAttributeCenterX multiplier:1 constant:0]];
+    [sourceHintOverlay addConstraint:[NSLayoutConstraint constraintWithItem:hintLabel attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:sourceHintOverlay attribute:NSLayoutAttributeCenterY multiplier:1 constant:0]];
+
+    [rootView addSubview:sourceHintOverlay positioned:NSWindowAbove relativeTo:nil];
+  } // End of source hint overlay setup
+
   NSTrackingAreaOptions nstopts = NSTrackingMouseEnteredAndExited | NSTrackingActiveAlways | NSTrackingInVisibleRect | NSTrackingAssumeInside;
   nstopts |= NSTrackingMouseMoved;
   NSTrackingArea *nstArea = [[NSTrackingArea alloc] initWithRect:[[self contentView] frame] options:nstopts owner:self userInfo:nil];
@@ -1060,6 +1141,45 @@ - (id) initWithAirplay:(bool)enable andTitle:(NSString*)title{
 
   [self setupNonHLSControls];
 
+  if(!is_airplay_session){
+    NSDictionary* defaultSource = getDefaultSourcePreference();
+    NSString* sourceType = defaultSource[@"type"];
+    if([sourceType isEqualToString:@"display"]){
+      int defaultDisplayId = [defaultSource[@"id"] intValue];
+      if(defaultDisplayId > 0){
+        BOOL hasDisplay = NO;
+        NSArray* displays = getDisplayList();
+        for(NSDictionary* display in displays){
+          if([display[@"id"] intValue] == defaultDisplayId){
+            hasDisplay = YES;
+            break;
+          }
+        } // End of loop through displays
+        if(hasDisplay){
+          WindowSel* sel = [WindowSel getDefault];
+          sel.title = getDisplayNameForId(defaultDisplayId);
+          sel.dspId = defaultDisplayId;
+          NSMenuItem* item = [[NSMenuItem alloc] init];
+          [item setRepresentedObject:sel];
+          [self changeWindow:item];
+        }
+      }
+    } else if([sourceType isEqualToString:@"camera"]){
+      NSString* defaultCameraId = defaultSource[@"id"];
+      if(defaultCameraId && defaultCameraId.length > 0 && [AVCaptureDevice deviceWithUniqueID:defaultCameraId]){
+        WindowSel* sel = [WindowSel getDefault];
+        sel.title = getCameraNameForId(defaultCameraId);
+        sel.cameraId = defaultCameraId;
+        NSMenuItem* item = [[NSMenuItem alloc] init];
+        [item setRepresentedObject:sel];
+        [self changeWindow:item];
+      }
+    }
+  } // End of if not airplay session
+
+  // Register for display reconfiguration events (display disconnect)
+  CGDisplayRegisterReconfigurationCallback(displayReconfigurationCallback, (__bridge void*)self);
+
   return self;
 }
 
@@ -1734,8 +1854,7 @@ - (void)rightMouseDown:(NSEvent *)theEvent {
 //    NSLog(@"%@", dict);
     CGDirectDisplayID did = [dict[@"NSScreenNumber"] intValue];
 
-    NSString* windowTitle = [NSString stringWithFormat:@"Display %u", did];
-    if (@available(macOS 10.15, *)) windowTitle = [NSString stringWithFormat:@"%@", [screen localizedName]];
+    NSString* windowTitle = getDisplayNameForId(did);
 
     WindowSel* sel = [WindowSel getDefault];
     sel.title = windowTitle;
@@ -1856,10 +1975,11 @@ - (void)rightMouseDown:(NSEvent *)theEvent {
   // Add camera menu
   cameras = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
   for(AVCaptureDevice *camera in cameras){
+    NSString* cameraName = getCameraNameForId([camera uniqueID]);
     WindowSel* sel = [WindowSel getDefault];
-    sel.title = [camera localizedName];
+    sel.title = cameraName;
     sel.cameraId = [camera uniqueID];
-    ADD_MENU_ITEM(camera_menu, [camera localizedName], @selector(changeWindow:), NULL, {
+    ADD_MENU_ITEM(camera_menu, cameraName, @selector(changeWindow:), NULL, {
       [item setRepresentedObject:sel];
     })
   }
@@ -1908,6 +2028,57 @@ - (void)rightMouseDown:(NSEvent *)theEvent {
     }
   }
 #endif
+
+  // Streaming submenu
+  if ([self is_capturing] || is_hls_session || camera_id) {
+    NSMenu *streamMenu = [[NSMenu alloc] init];
+
+    if (streamManager && [streamManager isStreaming]) {
+      ADD_MENU_ITEM(streamMenu, @"Stop Streaming", @selector(stopStreamAction:), NULL)
+      [streamMenu addItem:[NSMenuItem separatorItem]];
+      ADD_MENU_ITEM(streamMenu, @"Copy URL", @selector(copyStreamURL:), NULL)
+      ADD_MENU_ITEM(streamMenu, @"Open in Browser", @selector(openStreamInBrowser:), NULL)
+    } else {
+      ADD_MENU_ITEM(streamMenu, @"Start Streaming", @selector(startStreamAction:), NULL)
+    }
+
+    [streamMenu addItem:[NSMenuItem separatorItem]];
+
+    // Quality submenu
+    NSMenu *qualitySubmenu = [[NSMenu alloc] init];
+    StreamQuality currentQ = streamManager ? [streamManager currentQuality] : StreamQualityMedium;
+
+    NSArray *qualityNames = @[@"Low (720p)", @"Medium (1080p)", @"High (native)"];
+    NSArray *qualityValues = @[@(StreamQualityLow), @(StreamQualityMedium), @(StreamQualityHigh)];
+
+    for (int i = 0; i < 3; i++) {
+      NSMenuItem *qItem = [qualitySubmenu addItemWithTitle:qualityNames[i] action:@selector(setStreamQuality:) keyEquivalent:@""];
+      [qItem setTarget:self];
+      [qItem setTag:[qualityValues[i] intValue]];
+      if ([qualityValues[i] intValue] == (int)currentQ) {
+        [qItem setState:NSControlStateValueOn];
+      }
+    } // End of loop through quality options
+
+    ADD_MENU_ITEM(streamMenu, @"Quality", nil, NULL, {
+      [item setSubmenu:qualitySubmenu];
+    })
+
+    // Show URL as info if streaming
+    if (streamManager && [streamManager isStreaming]) {
+      [streamMenu addItem:[NSMenuItem separatorItem]];
+      NSString *url = [streamManager streamURL];
+      if (url) {
+        NSMenuItem *urlItem = [streamMenu addItemWithTitle:url action:nil keyEquivalent:@""];
+        [urlItem setEnabled:NO];
+      }
+    }
+
+    ADD_MENU_ITEM(theMenu, @"Stream", nil, NULL, {
+      [item setSubmenu:streamMenu];
+    })
+  }
+
 end:
   if(is_hls_session && !pvc){
     // Add quality/resolution selection menu for HLS
@@ -1972,6 +2143,15 @@ - (void)rightMouseDown:(NSEvent *)theEvent {
         [item setSubmenu:resolutionMenu];
       })
     }
+
+    // Local audio monitoring toggle (does not affect HLS streaming)
+    if(camera_has_microphone) {
+      ADD_MENU_ITEM(theMenu, @"Local Audio Monitoring", @selector(toggleCameraAudio:), NULL, {
+        if(camera_audio_monitoring) {
+          [item setState:NSControlStateValueOn];
+        }
+      })
+    }
   }
 
   if(!pvc && ([self is_capturing] || is_airplay_session || is_hls_session)){
@@ -2028,6 +2208,91 @@ - (void)adjustOpacity:(id)sender{
   [self setAlphaValue:slider.doubleValue];
 }
 
+#pragma mark - Streaming Methods
+
+/**
+ * Start streaming the current window content.
+ * Creates a StreamManager if needed, reads port/quality from preferences,
+ * and copies the stream URL to the clipboard on success.
+ */
+- (void)startStreamAction:(id)sender {
+  if (!imageView) return;
+
+  if (!streamManager) {
+    streamManager = [[StreamManager alloc] initWithImageView:imageView];
+  }
+
+  // stream_port is stored as NSString by TextInput preferences
+  NSObject *portPref = getPref(@"stream_port");
+  int port = 8080;
+  if ([portPref isKindOfClass:[NSString class]]) {
+    port = [(NSString*)portPref intValue];
+  } else if ([portPref isKindOfClass:[NSNumber class]]) {
+    port = [(NSNumber*)portPref intValue];
+  }
+  if (port <= 0 || port > 65535) port = 8080;
+
+  StreamQuality quality = (StreamQuality)[(NSNumber*)getPref(@"stream_quality") intValue];
+
+  BOOL success = [streamManager startStreamingOnPort:port withQuality:quality];
+  if (success) {
+    NSString *url = [streamManager streamURL];
+    NSLog(@"Streaming started at %@", url);
+    // Copy direct stream URL to clipboard automatically
+    NSString *directURL = [url stringByAppendingString:@"/stream.m3u8"];
+    [[NSPasteboard generalPasteboard] clearContents];
+    [[NSPasteboard generalPasteboard] setString:directURL forType:NSPasteboardTypeString];
+  }
+} // End of startStreamAction:
+
+/**
+ * Stop the current streaming session.
+ */
+- (void)stopStreamAction:(id)sender {
+  if (streamManager) {
+    [streamManager stopStreaming];
+  }
+} // End of stopStreamAction:
+
+/**
+ * Copy the stream URL to the system clipboard.
+ */
+- (void)copyStreamURL:(id)sender {
+  if (streamManager && [streamManager isStreaming]) {
+    NSString *url = [streamManager streamURL];
+    if (url) {
+      NSString *directURL = [url stringByAppendingString:@"/stream.m3u8"];
+      [[NSPasteboard generalPasteboard] clearContents];
+      [[NSPasteboard generalPasteboard] setString:directURL forType:NSPasteboardTypeString];
+    }
+  }
+} // End of copyStreamURL:
+
+/**
+ * Open the stream URL in the default web browser.
+ */
+- (void)openStreamInBrowser:(id)sender {
+  if (streamManager && [streamManager isStreaming]) {
+    NSString *url = [streamManager streamURL];
+    if (url) {
+      [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:url]];
+    }
+  }
+} // End of openStreamInBrowser:
+
+/**
+ * Set the streaming quality from a menu item tag.
+ * Saves the preference and updates the active stream if running.
+ */
+- (void)setStreamQuality:(id)sender {
+  NSMenuItem *menuItem = (NSMenuItem *)sender;
+  StreamQuality quality = (StreamQuality)[menuItem tag];
+  setPref(@"stream_quality", [NSNumber numberWithInt:(int)quality]);
+  if (streamManager) {
+    [streamManager setQuality:quality];
+  }
+} // End of setStreamQuality:
+
 -(void)stopDisplayStream{
   if(!display_stream) return;
   CGDisplayStreamStop(display_stream);
@@ -2049,16 +2314,34 @@ -(void)stopWindowStream{
 #endif
 }
 
+#pragma mark - Camera Audio Methods
+
+/**
+ * Stops camera capture and cleans up resources.
+ */
 -(void)stopCameraCapture{
   if(!camera_session) return;
+
+  // Remove notification observers before stopping
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureSessionRuntimeErrorNotification object:camera_session];
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureSessionDidStopRunningNotification object:camera_session];
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureDeviceWasDisconnectedNotification object:nil];
+
   [camera_session stopRunning];
+
+  // Clean up audio preview
+  camera_audio_preview = nil;
+  camera_has_microphone = false;
+
   camera_session = nil;
   camera_input = nil;
   camera_output = nil;
+  camera_audio_output = nil;
   camera_id = nil;
   camera_format = nil;
   camera_position = AVCaptureDevicePositionUnspecified;
-}
+  camera_audio_sample_count = 0;
+} // End of stopCameraCapture
 
 -(NSArray *)getAvailableCameraResolutions:(NSString*)deviceId {
   NSMutableArray *resolutions = [[NSMutableArray alloc] init];
@@ -2226,6 +2509,92 @@ -(void)startCameraCapture:(NSString*)deviceId{
     // We'll handle un-mirroring in the capture output delegate if needed
   }
 
+  // Set up audio preview if enabled - uses AVCaptureAudioPreviewOutput for automatic format handling
+  camera_has_microphone = false;
+  camera_audio_preview = nil;
+  camera_audio_output = nil;
+  camera_audio_sample_count = 0;
+
+  if(camera_audio_enabled) {
+    // Check microphone permission
+    AVAuthorizationStatus audioAuthStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
+    
+    __block BOOL micPermissionGranted = (audioAuthStatus == AVAuthorizationStatusAuthorized);
+    
+    if(audioAuthStatus == AVAuthorizationStatusNotDetermined) {
+      // Request permission synchronously using a semaphore
+      dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
+      [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
+        micPermissionGranted = granted;
+        dispatch_semaphore_signal(semaphore);
+      }];
+      dispatch_semaphore_wait(semaphore, dispatch_time(DISPATCH_TIME_NOW, 5 * NSEC_PER_SEC));
+    }
+
+    if(micPermissionGranted) {
+      // Try to find an audio device associated with this camera
+      AVCaptureDevice *audioDevice = nil;
+      NSArray *audioDevices = [AVCaptureDevice devicesWithMediaType:AVMediaTypeAudio];
+      
+      for(AVCaptureDevice *audioD in audioDevices) {
+        if([audioD.localizedName containsString:device.localizedName] ||
+           [audioD.manufacturer isEqualToString:device.manufacturer]) {
+          audioDevice = audioD;
+          NSLog(@"Found matching audio device: %@ for camera: %@", audioD.localizedName, device.localizedName);
+          break;
+        }
+      }
+
+      // If no matching audio device found, use the default microphone
+      if(!audioDevice && audioDevices.count > 0) {
+        audioDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];
+        NSLog(@"Using default audio device: %@", audioDevice.localizedName);
+      }
+
+      if(audioDevice) {
+        NSError *audioError = nil;
+        AVCaptureDeviceInput *audioInput = [[AVCaptureDeviceInput alloc] initWithDevice:audioDevice error:&audioError];
+        
+        if(audioError || !audioInput) {
+          NSLog(@"Failed to create audio input: %@", audioError);
+        } else if(![session canAddInput:audioInput]) {
+          NSLog(@"Cannot add audio input to camera session");
+        } else {
+          [session addInput:audioInput];
+
+          AVCaptureAudioDataOutput *audioDataOutput = [[AVCaptureAudioDataOutput alloc] init];
+          dispatch_queue_t audioQueue = dispatch_queue_create("com.pip.camera.audio", DISPATCH_QUEUE_SERIAL);
+          [audioDataOutput setSampleBufferDelegate:self queue:audioQueue];
+          if([session canAddOutput:audioDataOutput]) {
+            [session addOutput:audioDataOutput];
+            camera_audio_output = audioDataOutput;
+            camera_has_microphone = true;
+            NSLog(@"Camera audio stream output configured for outgoing HLS audio");
+          } else {
+            NSLog(@"Cannot add audio data output to camera session");
+          }
+
+          // Use AVCaptureAudioPreviewOutput for automatic audio playback
+          // This handles all format conversion automatically
+          AVCaptureAudioPreviewOutput *audioPreview = [[AVCaptureAudioPreviewOutput alloc] init];
+          audioPreview.volume = camera_audio_monitoring ? 1.0 : 0.0;
+          audioPreview.outputDeviceUniqueID = nil;  // Use default output device
+
+          if(![session canAddOutput:audioPreview]) {
+            NSLog(@"Cannot add audio preview output to camera session");
+          } else {
+            [session addOutput:audioPreview];
+            camera_audio_preview = audioPreview;
+            camera_has_microphone = true;
+            NSLog(@"Camera audio preview configured for device: %@", audioDevice.localizedName);
+          }
+        }
+      }
+    } else {
+      NSLog(@"Microphone permission not granted, camera audio disabled");
+    }
+  } // End of audio configuration
+
   camera_session = session;
   camera_input = input;
   camera_output = output;
@@ -2237,6 +2606,12 @@ -(void)startCameraCapture:(NSString*)deviceId{
     camera_format = device.activeFormat;
   }
 
+  // Register for camera disconnect/error notifications
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(cameraSessionError:) name:AVCaptureSessionRuntimeErrorNotification object:session];
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(cameraSessionError:) name:AVCaptureSessionDidStopRunningNotification object:session];
+  [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(cameraSessionError:) name:AVCaptureDeviceWasDisconnectedNotification object:device];
+
+  // Start session after all inputs/outputs are configured
   [session startRunning];
 
   is_playing = true;
@@ -2246,6 +2621,21 @@ -(void)startCameraCapture:(NSString*)deviceId{
 - (void)captureOutput:(AVCaptureOutput *)output didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnection:(AVCaptureConnection *)connection {
   if(!is_playing || isWinClosing || !camera_session) return;
 
+  if([output isKindOfClass:[AVCaptureAudioDataOutput class]]) {
+    camera_audio_sample_count++;
+    if(camera_audio_sample_count == 1 || (camera_audio_sample_count % 500 == 0)) {
+      NSLog(@"Camera audio callback samples=%llu", (unsigned long long)camera_audio_sample_count);
+    }
+    if(streamManager && [streamManager isStreaming]) {
+      [streamManager pushAudioSampleBuffer:sampleBuffer];
+    }
+    return;
+  }
+
+  if(![output isKindOfClass:[AVCaptureVideoDataOutput class]]) {
+    return;
+  }
+
   CVImageBufferRef imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
   if(!imageBuffer) return;
 
@@ -2258,7 +2648,7 @@ - (void)captureOutput:(AVCaptureOutput *)output didOutputSampleBuffer:(CMSampleB
       }
     });
   }
-}
+} // End of captureOutput:didOutputSampleBuffer:fromConnection:
 
 - (void)changeWindow:(id)sender{
   WindowSel* sel = [sender representedObject];
@@ -2311,6 +2701,10 @@ - (void)changeWindow:(id)sender{
     };
 
     display_stream = CGDisplayStreamCreateWithDispatchQueue(display_id, width, height, kCVPixelFormatType_32BGRA,  (__bridge CFDictionaryRef)opts, dispatch_get_main_queue(), ^(CGDisplayStreamFrameStatus status, uint64_t displayTime, IOSurfaceRef frameSurface, CGDisplayStreamUpdateRef updateRef) {
+      if(status == kCGDisplayStreamFrameStatusStopped){
+        if(!self->isWinClosing) [self showDisconnectOverlay:@"Display disconnected"];
+        return;
+      }
       if(status != kCGDisplayStreamFrameStatusFrameComplete || !self->is_playing || self->isWinClosing) return;
       [self->imageView setImage:[CIImage imageWithIOSurface:frameSurface]];
     });
@@ -2344,21 +2738,144 @@ - (void)changeWindow:(id)sender{
 //  [imageView setImage:nil];
   [imageView setHidden:![self is_capturing]];
   [self setOwner:sel.owner withTitle:sel.title];
+
+  // Hide or show source hint overlay based on capture state
+  if(sourceHintOverlay){
+    [sourceHintOverlay setHidden:[self is_capturing]];
+  }
 }
 
+/**
+ * Shows the disconnect overlay with a message explaining why the source was lost.
+ * Stops all capture, resets source state, and displays the overlay with the given message
+ * plus a hint to right-click for a new source.
+ * Must be called on the main thread.
+ * @param message The disconnect reason to display (e.g. "Display disconnected")
+ */
+- (void)showDisconnectOverlay:(NSString*)message{
+  if(isWinClosing) return;
+
+  [self stopTimer];
+  [self stopDisplayStream];
+  [self stopWindowStream];
+  [self stopCameraCapture];
+
+  window_id = -1;
+  display_id = -1;
+  is_playing = false;
+  [self resetPlaybackSate];
+
+  [imageView setHidden:YES];
+
+  if(sourceHintOverlay && hintLabel){
+    hintLabel.stringValue = [NSString stringWithFormat:@"%@\nRight-click to select source", message];
+    [sourceHintOverlay setHidden:NO];
+  }
+
+  [self setOwner:nil withTitle:message];
+} // End of showDisconnectOverlay:
+
+/**
+ * Called when a display is physically disconnected.
+ * If this window was capturing that display, shows a disconnect overlay.
+ * @param displayId The ID of the disconnected display
+ */
+- (void)handleDisplayDisconnected:(CGDirectDisplayID)displayId{
+  if(display_id >= 0 && (CGDirectDisplayID)display_id == displayId){
+    [self showDisconnectOverlay:@"Display disconnected"];
+  }
+} // End of handleDisplayDisconnected:
+
+/**
+ * Called when the camera capture session encounters an error or the device is disconnected.
+ * Shows a disconnect overlay with the appropriate message.
+ * @param notification The notification containing error information
+ */
+- (void)cameraSessionError:(NSNotification*)notification{
+  if(!camera_session) return;
+  dispatch_async(dispatch_get_main_queue(), ^{
+    if(self->isWinClosing) return;
+    [self showDisconnectOverlay:@"Camera unavailable"];
+  });
+} // End of cameraSessionError:
+
+/**
+ * Clones the current source selection to another window.
+ * Creates a WindowSel from the current state and triggers changeWindow on the target.
+ * Camera sources are skipped since AVCaptureDevice is exclusive to one session.
+ * @param target The window to clone the source to
+ * @return YES if cloning succeeded, NO if source can't be cloned (camera or no source)
+ */
+- (BOOL) cloneSourceToWindow:(Window*)target{
+  if(![self is_capturing] && !is_hls_session) return NO;
+
+  // Camera can't be shared between sessions
+  if(camera_id != nil){
+    NSLog(@"Cannot clone camera source — AVCaptureDevice is exclusive to one session");
+    return NO;
+  }
+
+  WindowSel* sel = [WindowSel getDefault];
+  sel.winId = window_id;
+  sel.dspId = display_id;
+  sel.ownerPid = owner_pid;
+  sel.cameraId = nil;
+  sel.owner = nil;
+  sel.title = self.title;
+
+  NSMenuItem* item = [[NSMenuItem alloc] init];
+  [item setRepresentedObject:sel];
+  [target changeWindow:item];
+  return YES;
+} // End of cloneSourceToWindow:
+
+/**
+ * Returns a string describing the type of source this window is capturing.
+ * @return Source type string (e.g. "Display", "Window", "Camera", "HLS", "AirPlay")
+ */
+- (NSString*) sourceType{
+  if(is_airplay_session) return @"AirPlay";
+  if(is_hls_session) return @"HLS";
+  if(camera_id != nil) return @"Camera";
+  if(display_id >= 0) return @"Display";
+  if(window_id >= 0) return @"Window";
+  return @"None";
+} // End of sourceType
+
+/**
+ * Returns a string describing the current status of this window's capture.
+ * @return Status string (e.g. "Active", "Paused", "No source")
+ */
+- (NSString*) sourceStatus{
+  if(![self is_capturing] && !is_hls_session && !is_airplay_session) return @"No source";
+  if(is_playing) return @"Active";
+  return @"Paused";
+} // End of sourceStatus
+
 
 #if __has_include()
 
 // SCStreamDelegate method - called when stream stops
 - (void)stream:(SCStream *)stream didStopWithError:(NSError *)error API_AVAILABLE(macos(12.3)) {
-  if (error) {
-    NSLog(@"ScreenCaptureKit stream stopped with error: %@", error);
-  }
+  NSLog(@"ScreenCaptureKit stream stopped%@", error ? [NSString stringWithFormat:@" with error: %@", error] : @"");
+  dispatch_async(dispatch_get_main_queue(), ^{
+    if(self->isWinClosing) return;
+    [self showDisconnectOverlay:@"Window closed"];
+  });
 }
 
 - (void)stream:(SCStream *)stream didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer ofType:(SCStreamOutputType)type API_AVAILABLE(macos(12.3)){
   if(!is_playing || isWinClosing) return;
 
+  if (@available(macOS 13.0, *)) {
+    if (type == SCStreamOutputTypeAudio) {
+      if (streamManager && [streamManager isStreaming]) {
+        [streamManager pushAudioSampleBuffer:sampleBuffer];
+      }
+      return;
+    }
+  }
+
   CVImageBufferRef imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
   if (!imageBuffer) {
     return;
@@ -2480,6 +2997,9 @@ - (void)startWindowStream {
         streamConfig.minimumFrameInterval = CMTimeMake(1, refreshRate);
         streamConfig.scalesToFit = NO;
         streamConfig.queueDepth = 2;
+        streamConfig.capturesAudio = YES;
+        streamConfig.sampleRate = 48000;
+        streamConfig.channelCount = 2;
 
         NSLog(@"startWindowStream: window_id=%d, windowFrame={%.1f,%.1f,%.1f,%.1f}, is_hidpi=%d, config=%lux%lu",
               window_id, windowFrame.origin.x, windowFrame.origin.y, windowFrame.size.width, windowFrame.size.height,
@@ -2504,6 +3024,14 @@ - (void)startWindowStream {
           return;
         }
 
+        if (@available(macOS 13.0, *)) {
+          NSError *audioOutputError = nil;
+          BOOL audioOutputAdded = [self->window_stream addStreamOutput:self type:SCStreamOutputTypeAudio sampleHandlerQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0) error:&audioOutputError];
+          if (!audioOutputAdded || audioOutputError) {
+            NSLog(@"ScreenCaptureKit audio output unavailable: %@", audioOutputError);
+          }
+        }
+
         // Start stream
         [self->window_stream startCaptureWithCompletionHandler:^(NSError * _Nullable startError) {
           if (startError) {
@@ -2981,7 +3509,22 @@ - (void)selectCameraResolution:(id)sender {
       NSLog(@"Failed to lock device for configuration: %@", error);
     }
   }
-}
+} // End of selectCameraResolution:
+
+/**
+ * Toggles local camera audio monitoring on/off.
+ * Only affects the local audio preview volume; audio capture and HLS streaming are not affected.
+ * @param sender The menu item that triggered this action
+ */
+-(void)toggleCameraAudio:(id)sender {
+  camera_audio_monitoring = !camera_audio_monitoring;
+
+  if(camera_audio_preview) {
+    camera_audio_preview.volume = camera_audio_monitoring ? 1.0 : 0.0;
+  }
+
+  NSLog(@"Local camera audio monitoring %@", camera_audio_monitoring ? @"enabled" : @"disabled");
+} // End of toggleCameraAudio:
 
 - (void)updateHLSInputViewLayout {
   if (!hlsInputView) return;
@@ -3239,7 +3782,27 @@ - (void)dismissHLSInputView {
 }
 
 - (void)windowWillClose:(NSNotification *)notification{
-//  NSLog(@"windowWillClose");
+  isWinClosing = true;
+  [self stopTimer];
+  [self stopDisplayStream];
+  [self stopWindowStream];
+  [self stopCameraCapture];
+
+  // Stop streaming if active
+  if (streamManager) {
+    [streamManager stopStreaming];
+    streamManager = nil;
+  }
+  CGDisplayRemoveReconfigurationCallback(displayReconfigurationCallback, (__bridge void*)self);
+
+  // If this is the last PiP window, terminate the app
+  NSInteger remainingPipWindows = 0;
+  for(NSWindow* w in [[NSApplication sharedApplication] windows]){
+    if([w isKindOfClass:[Window class]] && w != self) remainingPipWindows++;
+  }
+  if(remainingPipWindows == 0){
+    [[NSApplication sharedApplication] terminate:nil];
+  }
 }
 
 - (void)windowDidBecomeKey:(NSNotification *)notification{
@@ -3251,7 +3814,6 @@ - (void)windowDidBecomeKey:(NSNotification *)notification{
 //}
 
 - (void)close{
-//  NSLog(@"close pvc: %d, isPipCLosing: %d, isWinClosing: %d", (int)pvc, isPipCLosing, isWinClosing);
   [self dismissHLSInputView];
   if(pvc){
     if(!isPipCLosing){
@@ -3274,6 +3836,14 @@ - (void)close{
   if(isWinClosing) return;
   isWinClosing = true;
 
+  // Unregister display reconfiguration callback
+  CGDisplayRemoveReconfigurationCallback(displayReconfigurationCallback, (__bridge void*)self);
+
+  // Remove camera disconnect notification observers
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureSessionRuntimeErrorNotification object:nil];
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureSessionDidStopRunningNotification object:nil];
+  [[NSNotificationCenter defaultCenter] removeObserver:self name:AVCaptureDeviceWasDisconnectedNotification object:nil];
+
   #ifndef NO_AIRPLAY
   if(is_airplay_session) airplay_receiver_session_stop(self.conn);
   if (airplaySender) {
@@ -3304,6 +3874,10 @@ - (void)close{
   [popbutt removeFromSuperview];
   [playbutt removeFromSuperview];
   [selectionView removeFromSuperview];
+  if(sourceHintOverlay){
+    [sourceHintOverlay removeFromSuperview];
+    sourceHintOverlay = nil;
+  }
   [rootView removeFromSuperview];
 
   nvc = NULL;