diff --git a/include/openastro/video/formats.h b/include/openastro/video/formats.h
index 8fb984b3..708fe65b 100644
--- a/include/openastro/video/formats.h
+++ b/include/openastro/video/formats.h
@@ -27,40 +27,58 @@
 #ifndef OPENASTRO_CAMERA_FORMATS_H
 #define OPENASTRO_CAMERA_FORMATS_H
 
-#define	OA_PIX_FMT_RGB24		1
-#define	OA_PIX_FMT_BGR24		2
-#define	OA_PIX_FMT_GREY8		3
-#define	OA_PIX_FMT_GRAY8		3
-#define	OA_PIX_FMT_GREY16BE		4
-#define	OA_PIX_FMT_GRAY16BE		4
-#define	OA_PIX_FMT_GREY16LE		5
-#define	OA_PIX_FMT_GRAY16LE		5
-#define	OA_PIX_FMT_BGGR8		6
-#define	OA_PIX_FMT_RGGB8		7
-#define	OA_PIX_FMT_GBRG8		8
-#define	OA_PIX_FMT_GRBG8		9
-#define	OA_PIX_FMT_BGGR16LE		10
-#define	OA_PIX_FMT_BGGR16BE		11
-#define	OA_PIX_FMT_RGGB16LE		12
-#define	OA_PIX_FMT_RGGB16BE		13
-#define	OA_PIX_FMT_GBRG16LE		14
-#define	OA_PIX_FMT_GBRG16BE		15
-#define	OA_PIX_FMT_GRBG16LE		16
-#define	OA_PIX_FMT_GRBG16BE		17
-#define OA_PIX_FMT_RGB48BE		18
-#define OA_PIX_FMT_RGB48LE		19
-#define OA_PIX_FMT_BGR48BE		20
-#define OA_PIX_FMT_BGR48LE		21
-
-#define OA_PIX_FMT_YUV444P 		22
-#define OA_PIX_FMT_YUV422P 		23
-#define OA_PIX_FMT_YUV420P		24
-#define OA_PIX_FMT_YUV410P		25
-#define OA_PIX_FMT_YUYV  		27
-#define OA_PIX_FMT_UYVY  		28
-#define OA_PIX_FMT_YUV420 		29
-#define OA_PIX_FMT_YUV411 		30
-#define OA_PIX_FMT_YUV410 		31
+#define DEFINE_OA_PIX_FMT(OA_PIX_FMT) \
+  OA_PIX_FMT(RGB24) \
+  OA_PIX_FMT(BGR24) \
+  OA_PIX_FMT(GREY8) \
+  OA_PIX_FMT(GREY16BE) \
+  OA_PIX_FMT(GREY16LE) \
+  OA_PIX_FMT(BGGR8) \
+  OA_PIX_FMT(RGGB8) \
+  OA_PIX_FMT(GBRG8) \
+  OA_PIX_FMT(GRBG8) \
+  OA_PIX_FMT(BGGR16LE) \
+  OA_PIX_FMT(BGGR16BE) \
+  OA_PIX_FMT(RGGB16LE) \
+  OA_PIX_FMT(RGGB16BE) \
+  OA_PIX_FMT(GBRG16LE) \
+  OA_PIX_FMT(GBRG16BE) \
+  OA_PIX_FMT(GRBG16LE) \
+  OA_PIX_FMT(GRBG16BE) \
+  OA_PIX_FMT(RGB48BE) \
+  OA_PIX_FMT(RGB48LE) \
+  OA_PIX_FMT(BGR48BE) \
+  OA_PIX_FMT(BGR48LE) \
+  \
+  OA_PIX_FMT(YUV444P) \
+  OA_PIX_FMT(YUV422P) \
+  OA_PIX_FMT(YUV420P) \
+  OA_PIX_FMT(YUV410P) \
+  OA_PIX_FMT(YUYV) \
+  OA_PIX_FMT(UYVY) \
+  OA_PIX_FMT(YUV420) \
+  OA_PIX_FMT(YUV411) \
+  OA_PIX_FMT(YUV410) \
+
+
+#define OA_PIX_FMT_GRAY8    OA_PIX_FMT_GREY8 
+#define OA_PIX_FMT_GRAY16BE OA_PIX_FMT_GREY16BE
+#define OA_PIX_FMT_GRAY16LE OA_PIX_FMT_GREY16LE
+
+
+#define ENUM(FMT) OA_PIX_FMT_##FMT,
+enum { OA_PIX_FMT_NONE = 0,
+       DEFINE_OA_PIX_FMT(ENUM)
+       OA_PIX_FMT_MAX };
+
+#define STRING(FMT) #FMT,
+static const char *oa_pix_fmt_strings[] = {
+    "error", DEFINE_OA_PIX_FMT(STRING)
+};
+
+
+#define OA_PIX_FMT_STRING(x) \
+    oa_pix_fmt_strings[x>0 && x<OA_PIX_FMT_MAX ? x : 0]
 
 #define OA_ISGREYSCALE(x) \
     (( x == OA_PIX_FMT_GREY8 ) || ( x == OA_PIX_FMT_GREY16BE ) || \
diff --git a/oacapture/mainWindow.cc b/oacapture/mainWindow.cc
index 5246866c..ab129b33 100644
--- a/oacapture/mainWindow.cc
+++ b/oacapture/mainWindow.cc
@@ -240,10 +240,12 @@ MainWindow::~MainWindow()
   delete capturedValue;
   delete fpsActualValue;
   delete fpsMaxValue;
+  delete pixelFormatValue;
   delete progressBar;
   delete capturedLabel;
   delete fpsActualLabel;
   delete fpsMaxLabel;
+  delete pixelFormatLabel;
   if ( state.camera ) {
     delete state.camera;
   }
@@ -1194,6 +1196,8 @@ MainWindow::createStatusBar ( void )
     tempLabel->setText ( tr ( "Temp (F)" ));
   }
   tempLabel->setFixedWidth ( 60 );
+  pixelFormatLabel = new QLabel ( tr ( "Pixel format" ));
+  pixelFormatLabel->setFixedWidth ( 80 );
   fpsMaxLabel = new QLabel ( tr ( "FPS (max)" ));
   fpsMaxLabel->setFixedWidth ( 65 );
   fpsActualLabel = new QLabel ( tr ( "FPS (actual)" ));
@@ -1209,6 +1213,8 @@ MainWindow::createStatusBar ( void )
 
   tempValue = new QLabel ( "" );
   tempValue->setFixedWidth ( 30 );
+  pixelFormatValue = new QLabel ( "" );
+  pixelFormatValue->setFixedWidth ( 70 );
   fpsMaxValue = new QLabel ( "0" );
   fpsMaxValue->setFixedWidth ( 30 );
   fpsActualValue = new QLabel ( "0" );
@@ -1220,6 +1226,8 @@ MainWindow::createStatusBar ( void )
 
   statusLine->addPermanentWidget ( tempLabel );
   statusLine->addPermanentWidget ( tempValue );
+  statusLine->addPermanentWidget ( pixelFormatLabel );
+  statusLine->addPermanentWidget ( pixelFormatValue );
   statusLine->addPermanentWidget ( fpsMaxLabel );
   statusLine->addPermanentWidget ( fpsMaxValue );
   statusLine->addPermanentWidget ( fpsActualLabel );
@@ -1856,6 +1864,13 @@ MainWindow::quit ( void )
 }
 
 
+void
+MainWindow::setPixelFormatValue ( int format )
+{
+  pixelFormatValue->setText ( QString( OA_PIX_FMT_STRING( format )));
+}
+
+
 void
 MainWindow::showFPSMaxValue ( int value )
 {
diff --git a/oacapture/mainWindow.h b/oacapture/mainWindow.h
index c386a07f..79d62d39 100644
--- a/oacapture/mainWindow.h
+++ b/oacapture/mainWindow.h
@@ -61,6 +61,7 @@ class MainWindow : public QMainWindow
     void		clearTemperature ( void );
     void		resetTemperatureLabel ( void );
     void		clearDroppedFrames ( void );
+    void		setPixelFormatValue ( int );
     void		showFPSMaxValue ( int );
     void		clearFPSMaxValue ( void );
     void		setNightStyleSheet ( QWidget* );
@@ -97,6 +98,7 @@ class MainWindow : public QMainWindow
     QProgressBar*	progressBar;
     QLabel*		capturedValue;
     QLabel*		droppedValue;
+    QLabel*		pixelFormatValue;
     QLabel*		fpsMaxValue;
     QLabel*		fpsActualValue;
     QStatusBar*		statusLine;
@@ -128,6 +130,7 @@ class MainWindow : public QMainWindow
     oaTimerDevice**	timerDevs;
 
     QLabel*		tempLabel;
+    QLabel*		pixelFormatLabel;
     QLabel*		fpsMaxLabel;
     QLabel*		fpsActualLabel;
     QLabel*		capturedLabel;
diff --git a/oacapture/previewWidget.cc b/oacapture/previewWidget.cc
index d12aeb4b..0042d06d 100644
--- a/oacapture/previewWidget.cc
+++ b/oacapture/previewWidget.cc
@@ -329,6 +329,7 @@ PreviewWidget::setVideoFramePixelFormat ( int format )
   videoFramePixelFormat = format;
   expectedSize = config.imageSizeX * config.imageSizeY *
       OA_BYTES_PER_PIXEL( videoFramePixelFormat );
+  state.mainWindow->setPixelFormatValue( format );
 }
 
 
@@ -426,7 +427,8 @@ PreviewWidget::processFlip ( void* imageData, int length, int format )
       processFlip24BitColour ( data, length );
       break;
     default:
-      qWarning() << __FUNCTION__ << " unable to flip format " << format;
+      qWarning() << __FUNCTION__ << " unable to flip format " <<
+          OA_PIX_FMT_STRING(format);
       break;
   }
 }
@@ -1025,6 +1027,7 @@ PreviewWidget::formatToCfaPattern ( int format )
       return OA_DEMOSAIC_GRBG;
       break;
   }
-  qWarning() << "Invalid format in" << __FUNCTION__;
+  qWarning() << "Invalid format (" << OA_PIX_FMT_STRING(format) <<
+      ") in" << __FUNCTION__;
   return 0;
 }
diff --git a/oalive/viewWidget.cc b/oalive/viewWidget.cc
index e06cec2e..b5a2764c 100644
--- a/oalive/viewWidget.cc
+++ b/oalive/viewWidget.cc
@@ -509,7 +509,8 @@ ViewWidget::processFlip ( void* imageData, int length, int format )
       processFlip24BitColour ( data, length );
       break;
     default:
-      qWarning() << __FUNCTION__ << " unable to flip format " << format;
+      qWarning() << __FUNCTION__ << " unable to flip format " <<
+          OA_PIX_FMT_STRING( format );
       break;
   }
 }
@@ -1340,7 +1341,8 @@ ViewWidget::formatToCfaPattern ( int format )
       return OA_DEMOSAIC_GRBG;
       break;
   }
-  qWarning() << "Invalid format in" << __FUNCTION__;
+  qWarning() << "Invalid format (" << OA_PIX_FMT_STRING( format ) <<
+      ") in" << __FUNCTION__;
   return 0;
 }