set clock latency target according omxplayer

1 files changed, 21 insertions, 0 deletions

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)