reset video format settings on pixel aspect ratio change

3 files changed, 26 insertions, 1 deletions

diff --git a/HISTORY b/HISTORY
index 4438b9c..0a7caca 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6,6 +6,7 @@ VDR Plugin 'rpihddevice' Revision History
   - make use of advanced deinterlacer configurable
   - add debug option to log number of executed OpenVG commands and flushes
 - fixed:
+  - reset video format settings on pixel aspect ratio change 
   - always resample audio with less than 2 and  more than 6 channels
   - fixed compilation with GCC-6
   - implement proper handling of display and pixel aspect ratios
diff --git a/omx.c b/omx.c
index eaba662..79ce125 100644
--- a/omx.c
+++ b/omx.c
@@ -207,9 +207,19 @@ void cOmx::Action(void)
 				break;
 
 			case cOmxEvents::eConfigChanged:
-				if (event->data == OMX_IndexConfigBufferStall)
+				switch (event->data)
+				{
+				case OMX_IndexParamBrcmPixelAspectRatio:
+					if (m_handlePortEvents)
+						HandlePortSettingsChanged(131);
+					break;
+				case OMX_IndexConfigBufferStall:
 					if (IsBufferStall() && !IsClockFreezed() && m_onBufferStall)
 						m_onBufferStall(m_onBufferStallData);
+					break;
+				default:
+					break;
+				}
 				break;
 
 			case cOmxEvents::eEndOfStream:
@@ -555,6 +565,7 @@ int cOmx::Init(int display, int layer)
 
 	SetDisplay(display, layer);
 	SetClockLatencyTarget();
+	SetPARChangeCallback(true);
 	SetBufferStallThreshold(20000);
 	SetClockReference(cOmx::eClockRefVideo);
 
@@ -825,6 +836,18 @@ void cOmx::SetClockLatencyTarget(void)
 		ELOG("failed set video render latency target!");
 }
 
+void cOmx::SetPARChangeCallback(bool enable)
+{
+	OMX_CONFIG_REQUESTCALLBACKTYPE reqCallback;
+	OMX_INIT_STRUCT(reqCallback);
+	reqCallback.nPortIndex = 131;
+	reqCallback.bEnable = enable ? OMX_TRUE : OMX_FALSE;
+	reqCallback.nIndex = OMX_IndexParamBrcmPixelAspectRatio;
+	if (OMX_SetConfig(ILC_GET_HANDLE(m_comp[eVideoDecoder]),
+			OMX_IndexConfigRequestCallback, &reqCallback) != OMX_ErrorNone)
+		ELOG("failed to set video aspect ratio change call back!");
+}
+
 void cOmx::SetBufferStallThreshold(int delayMs)
 {
 	if (delayMs > 0)
diff --git a/omx.h b/omx.h
index c0daffa..708d487 100644
--- a/omx.h
+++ b/omx.h
@@ -178,6 +178,7 @@ private:
 
 	void HandlePortBufferEmptied(eOmxComponent component);
 	void HandlePortSettingsChanged(unsigned int portId);
+	void SetPARChangeCallback(bool enable);
 	void SetBufferStallThreshold(int delayMs);
 	bool IsBufferStall(void);