static HRESULT WINAPI QTVDecoder_Receive(TransformFilter *tf, IMediaSample *pSample)
{
QTVDecoderImpl* This = impl_from_TransformFilter(tf);
HRESULT hr;
DWORD cbSrcStream;
LPBYTE pbSrcStream;
ICMFrameTimeRecord frameTime = {{0}};
TimeValue time = 1;
TimeScale timeScale = 1;
OSStatus err = noErr;
LONGLONG tStart, tStop;
hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
if (FAILED(hr))
{
ERR("Cannot get pointer to sample data (%x)\n", hr);
goto error;
}
cbSrcStream = IMediaSample_GetActualDataLength(pSample);
if (IMediaSample_GetTime(pSample, &tStart, &tStop) != S_OK)
tStart = tStop = 0;
time = tStart;
frameTime.recordSize = sizeof(ICMFrameTimeRecord);
*(TimeValue64 *)&frameTime.value = tStart;
frameTime.scale = 1;
frameTime.rate = fixed1;
frameTime.duration = tStop - tStart;
frameTime.frameNumber = 0;
frameTime.flags = icmFrameTimeIsNonScheduledDisplayTime;
err = ICMDecompressionSessionDecodeFrame(This->decompressionSession,
(UInt8 *)pbSrcStream, cbSrcStream, NULL, &frameTime, pSample);
if (err != noErr)
{
ERR("Error with ICMDecompressionSessionDecodeFrame\n");
hr = E_FAIL;
goto error;
}
ICMDecompressionSessionSetNonScheduledDisplayTime(This->decompressionSession, time, timeScale, 0);
ICMDecompressionSessionFlush(This->decompressionSession);
hr = This->decodeHR;
error:
return hr;
}
static ComponentResult
_setup_ds(StreamInfoPtr si, ImageDescriptionHandle imgDesc)
{
ComponentResult err = noErr;
CFNumberRef number = NULL;
CFMutableDictionaryRef pba = NULL;
ICMDecompressionTrackingCallbackRecord dtcr;
SInt32 w, h;
OSType pbf = k422YpCbCr8PixelFormat;
dbg_printf("[ vOE] >> [%08lx] :: _setup_ds()\n", (UInt32) -1);
if (si->si_v.ds) {
ICMDecompressionSessionFlush(si->si_v.ds);
ICMDecompressionSessionRelease(si->si_v.ds);
si->si_v.ds = NULL;
}
pba = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
w = si->si_v.width >> 16;
h = si->si_v.height >> 16;
number = CFNumberCreate(NULL, kCFNumberSInt32Type, &w);
CFDictionaryAddValue(pba, kCVPixelBufferWidthKey, number);
CFRelease(number);
number = CFNumberCreate(NULL, kCFNumberSInt32Type, &h);
CFDictionaryAddValue(pba, kCVPixelBufferHeightKey, number);
CFRelease(number);
number = CFNumberCreate(NULL, kCFNumberSInt32Type, &pbf);
CFDictionaryAddValue(pba, kCVPixelBufferPixelFormatTypeKey, number);
CFRelease(number);
dtcr.decompressionTrackingCallback = _frame_decompressed;
dtcr.decompressionTrackingRefCon = (void *) si;
err = ICMDecompressionSessionCreate(NULL, imgDesc,
/* sessionOptions */ NULL,
pba,
&dtcr,
&si->si_v.ds);
CFRelease(pba);
dbg_printf("[ vOE] < [%08lx] :: _setup_ds() = %ld\n", (UInt32) -1, err);
return err;
}