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quartz: Add quality control to avi decoder.

This commit is contained in:
Maarten Lankhorst 2010-11-09 23:42:42 +01:00 committed by Alexandre Julliard
parent a5798fc96c
commit f38688b836
1 changed files with 48 additions and 2 deletions
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50
dlls/quartz/avidec.c
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@ -48,6 +48,7 @@ typedef struct AVIDecImpl
HIC hvid;
BITMAPINFOHEADER* pBihIn;
BITMAPINFOHEADER* pBihOut;
REFERENCE_TIME late;
} AVIDecImpl;
static const IBaseFilterVtbl AVIDec_Vtbl;
@ -58,6 +59,7 @@ static HRESULT WINAPI AVIDec_StartStreaming(TransformFilter* pTransformFilter)
DWORD result;
TRACE("(%p)->()\n", This);
This->late = -1;
result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
if (result != ICERR_OK)
@ -68,6 +70,36 @@ static HRESULT WINAPI AVIDec_StartStreaming(TransformFilter* pTransformFilter)
return S_OK;
}
static HRESULT WINAPI AVIDec_EndFlush(TransformFilter *pTransformFilter) {
AVIDecImpl* This = (AVIDecImpl*)pTransformFilter;
This->late = -1;
return S_OK;
}
static HRESULT WINAPI AVIDec_NotifyDrop(TransformFilter *pTransformFilter, IBaseFilter *sender, Quality qm) {
AVIDecImpl *This = (AVIDecImpl*)pTransformFilter;
EnterCriticalSection(&This->tf.filter.csFilter);
if (qm.Late > 0)
This->late = qm.Late + qm.TimeStamp;
else
This->late = -1;
LeaveCriticalSection(&This->tf.filter.csFilter);
return S_OK;
}
static int AVIDec_DropSample(AVIDecImpl *This, REFERENCE_TIME tStart) {
if (This->late < 0)
return 0;
if (tStart < This->late) {
TRACE("Dropping sample\n");
return 1;
}
This->late = -1;
return 0;
}
static HRESULT WINAPI AVIDec_Receive(TransformFilter *tf, IMediaSample *pSample)
{
AVIDecImpl* This = (AVIDecImpl *)tf;
@ -80,6 +112,7 @@ static HRESULT WINAPI AVIDec_Receive(TransformFilter *tf, IMediaSample *pSample)
DWORD cbSrcStream;
LPBYTE pbSrcStream;
LONGLONG tStart, tStop;
DWORD flags = 0;
EnterCriticalSection(&This->tf.filter.csFilter);
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
@ -123,10 +156,22 @@ static HRESULT WINAPI AVIDec_Receive(TransformFilter *tf, IMediaSample *pSample)
goto error;
}
res = ICDecompress(This->hvid, 0, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
if (IMediaSample_IsPreroll(pSample) == S_OK)
flags |= ICDECOMPRESS_PREROLL;
if (IMediaSample_IsSyncPoint(pSample) != S_OK)
flags |= ICDECOMPRESS_NOTKEYFRAME;
if (IMediaSample_GetTime(pSample, &tStart, NULL) == S_OK &&
AVIDec_DropSample(This, tStart))
flags |= ICDECOMPRESS_HURRYUP;
res = ICDecompress(This->hvid, flags, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
if (res != ICERR_OK)
ERR("Error occurred during the decompression (%x)\n", res);
/* Drop sample if its intended to be dropped */
if (flags & ICDECOMPRESS_HURRYUP)
goto error;
IMediaSample_SetActualDataLength(pOutSample, This->pBihOut->biSizeImage);
IMediaSample_SetPreroll(pOutSample, (IMediaSample_IsPreroll(pSample) == S_OK));
@ -338,8 +383,9 @@ static const TransformFilterFuncTable AVIDec_FuncsTable = {
AVIDec_BreakConnect,
NULL,
NULL,
AVIDec_EndFlush,
NULL,
NULL
AVIDec_NotifyDrop
};
HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv)