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quartz: Keep track of the time in the video renderer.

This commit is contained in:
Maarten Lankhorst 2008-04-28 15:00:51 -07:00 committed by Alexandre Julliard
parent 1fad872961
commit 37847b0d9b
1 changed files with 50 additions and 4 deletions
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54
dlls/quartz/videorenderer.c
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@ -85,6 +85,7 @@ typedef struct VideoRendererImpl
IUnknown * pUnkOuter;
BOOL bUnkOuterValid;
BOOL bAggregatable;
REFERENCE_TIME rtLastStop;
} VideoRendererImpl;
static LRESULT CALLBACK VideoWndProcA(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
@ -361,9 +362,26 @@ static HRESULT VideoRenderer_Sample(LPVOID iface, IMediaSample * pSample)
TRACE("%p %p\n", iface, pSample);
hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
if (FAILED(hr))
ERR("Cannot get sample time (%x)\n", hr);
if (This->rtLastStop != tStart)
{
if (IMediaSample_IsDiscontinuity(pSample) == S_FALSE)
ERR("Unexpected discontinuity: Last: %u.%03u, tStart: %u.%03u\n",
(DWORD)(This->rtLastStop / 10000000),
(DWORD)((This->rtLastStop / 10000)%1000),
(DWORD)(tStart / 10000000), (DWORD)((tStart / 10000)%1000));
This->rtLastStop = tStart;
}
/* Preroll means the sample isn't shown, this is used for key frames and things like that */
if (IMediaSample_IsPreroll(pSample) == S_OK)
{
This->rtLastStop = tStop;
return S_OK;
}
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
if (FAILED(hr))
@ -372,10 +390,6 @@ static HRESULT VideoRenderer_Sample(LPVOID iface, IMediaSample * pSample)
return hr;
}
hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
if (FAILED(hr))
ERR("Cannot get sample time (%x)\n", hr);
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
TRACE("val %p %ld\n", pbSrcStream, cbSrcStream);
@ -393,6 +407,37 @@ static HRESULT VideoRenderer_Sample(LPVOID iface, IMediaSample * pSample)
}
#endif
if (This->pClock && This->state == State_Running)
{
REFERENCE_TIME time, trefstart, trefstop;
LONG delta;
/* Perhaps I <SHOULD> use the reference clock AdviseTime function here
* I'm not going to! When I tried, it seemed to generate lag and
* it caused instability.
*/
IReferenceClock_GetTime(This->pClock, &time);
trefstart = This->rtStreamStart;
trefstop = (REFERENCE_TIME)((double)(tStop - tStart) / This->pInputPin->dRate) + This->rtStreamStart;
delta = (LONG)((trefstart-time)/10000);
This->rtStreamStart = trefstop;
This->rtLastStop = tStop;
if (delta > 0)
{
TRACE("Sleeping for %u ms\n", delta);
Sleep(delta);
}
else if (time > trefstop)
{
TRACE("Dropping sample: Time: %lld ms trefstop: %lld ms!\n", time/10000, trefstop/10000);
This->rtLastStop = tStop;
return S_OK;
}
}
This->rtLastStop = tStop;
VideoRenderer_SendSampleData(This, pbSrcStream, cbSrcStream);
return S_OK;
@ -464,6 +509,7 @@ HRESULT VideoRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
pVideoRenderer->pClock = NULL;
pVideoRenderer->init = 0;
pVideoRenderer->AutoShow = 1;
pVideoRenderer->rtLastStop = -1;
ZeroMemory(&pVideoRenderer->filterInfo, sizeof(FILTER_INFO));
/* construct input pin */