static HRESULT WINAPI QTVDecoder_StopStreaming(TransformFilter* pTransformFilter)
{
QTVDecoderImpl* This = impl_from_TransformFilter(pTransformFilter);
TRACE("(%p)->()\n", This);
if (This->decompressionSession)
ICMDecompressionSessionRelease(This->decompressionSession);
This->decompressionSession = NULL;
return S_OK;
}
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;
}
void qDestroyDecoderAPI(QDecoder *decoder)
{
ICMDecompressionSessionRelease(decoder->session);
qFreeCallbackData(&(decoder->callbackData));
free(decoder);
}
QTDecompressionSession::~QTDecompressionSession()
{
if (m_session)
ICMDecompressionSessionRelease(m_session);
}
