set clock latency target according omxplayer

3 files changed, 23 insertions, 0 deletions

diff --git a/HISTORY b/HISTORY
index 7ee2108..65496ae 100644
--- a/HISTORY
+++ b/HISTORY
@@ -3,6 +3,7 @@ VDR Plugin 'rpihddevice' Revision History
 
 - fixed:
   - suppress buffer stall when clock is halted
+  - set clock latency target according omxplayer
 
 2014-02-10: Version 0.0.8
 -------------------------
diff --git a/omx.c b/omx.c
index c201310..afc1f98 100644
--- a/omx.c
+++ b/omx.c
@@ -358,6 +358,7 @@ int cOmx::Init(void)
 	DBG("started with %d video and %d audio buffers",
 		m_freeVideoBuffers, m_freeAudioBuffers);
 
+	SetClockLatencyTarget();
 	SetBufferStall(1500);
 
 	FlushVideo();
@@ -612,6 +613,26 @@ void cOmx::SetClockReference(eClockReference clockReference)
 	}
 }
 
+void cOmx::SetClockLatencyTarget(void)
+{
+	OMX_CONFIG_LATENCYTARGETTYPE latencyTarget;
+	OMX_INIT_STRUCT(latencyTarget);
+
+	// values set according reference implementation in omxplayer
+	latencyTarget.nPortIndex = OMX_ALL;
+	latencyTarget.bEnabled = OMX_TRUE;
+	latencyTarget.nFilter = 10;
+	latencyTarget.nTarget = 0;
+	latencyTarget.nShift = 3;
+	latencyTarget.nSpeedFactor = -200;
+	latencyTarget.nInterFactor = 100;
+	latencyTarget.nAdjCap = 100;
+
+	if (OMX_SetConfig(ILC_GET_HANDLE(m_comp[eClock]),
+			OMX_IndexConfigLatencyTarget, &latencyTarget) != OMX_ErrorNone)
+		ELOG("failed set clock latency target!");
+}
+
 void cOmx::SetBufferStall(int delayMs)
 {
 	if (delayMs > 0)
diff --git a/omx.h b/omx.h
index 3c3fe7a..846ee33 100644
--- a/omx.h
+++ b/omx.h
@@ -58,6 +58,7 @@ public:
 	};
 
 	void SetClockReference(eClockReference clockReference);
+	void SetClockLatencyTarget(void);
 	void SetVolume(int vol);
 	void SetMute(bool mute);
 	void SendEos(void);