void MovieGlHap::allocateVisualContext()
{
// Load HAP Movie
if( HapQTQuickTimeMovieHasHapTrackPlayable( getObj()->mMovie ) )
{
// QT Visual Context attributes
OSStatus err = noErr;
QTVisualContextRef * visualContext = (QTVisualContextRef*)&getObj()->mVisualContext;
CFDictionaryRef pixelBufferOptions = HapQTCreateCVPixelBufferOptionsDictionary();
const CFStringRef keys[] = { kQTVisualContextPixelBufferAttributesKey };
CFDictionaryRef visualContextOptions = ::CFDictionaryCreate(kCFAllocatorDefault, (const void**)&keys, (const void**)&pixelBufferOptions, sizeof(keys)/sizeof(keys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
err = QTPixelBufferContextCreate( kCFAllocatorDefault, visualContextOptions, visualContext );
::CFRelease( pixelBufferOptions );
::CFRelease( visualContextOptions );
if( err != noErr ) {
CI_LOG_E( "HAP ERROR :: " << err << " couldnt create visual context." );
return;
}
// Set the movie's visual context
err = SetMovieVisualContext( getObj()->mMovie, *visualContext );
if( err != noErr ) {
CI_LOG_E( "HAP ERROR :: " << err << " SetMovieVisualContext." );
return;
}
}
// Get codec name
for (long i = 1; i <= GetMovieTrackCount(getObj()->mMovie); i++) {
Track track = GetMovieIndTrack(getObj()->mMovie, i);
Media media = GetTrackMedia(track);
OSType mediaType;
GetMediaHandlerDescription(media, &mediaType, NULL, NULL);
if (mediaType == VideoMediaType)
{
// Get the codec-type of this track
ImageDescriptionHandle imageDescription = (ImageDescriptionHandle)NewHandle(0); // GetMediaSampleDescription will resize it
GetMediaSampleDescription(media, 1, (SampleDescriptionHandle)imageDescription);
OSType codecType = (*imageDescription)->cType;
DisposeHandle((Handle)imageDescription);
switch (codecType) {
case 'Hap1': mCodec = Codec::HAP; break;
case 'Hap5': mCodec = Codec::HAP_A; break;
case 'HapY': mCodec = Codec::HAP_Q; break;
default: mCodec = Codec::UNSUPPORTED; break;
}
}
}
// Set framerate callback
this->setNewFrameCallback( updateMovieFPS, (void*)this );
}
static HRESULT QT_Process_Video_Track(QTSplitter* filter, Track trk)
{
AM_MEDIA_TYPE amt;
VIDEOINFOHEADER * pvi;
PIN_INFO piOutput;
HRESULT hr = S_OK;
OSErr err;
static const WCHAR szwVideoOut[] = {'V','i','d','e','o',0};
CFMutableDictionaryRef pixelBufferOptions = NULL;
CFMutableDictionaryRef visualContextOptions = NULL;
CFNumberRef n = NULL;
int t;
DWORD outputWidth, outputHeight, outputDepth;
Fixed trackWidth, trackHeight;
Media videoMedia;
long sampleCount;
TimeValue64 duration;
TimeScale timeScale;
ZeroMemory(&amt, sizeof(amt));
amt.formattype = FORMAT_VideoInfo;
amt.majortype = MEDIATYPE_Video;
amt.subtype = MEDIASUBTYPE_RGB24;
GetTrackDimensions(trk, &trackWidth, &trackHeight);
outputDepth = 3;
outputWidth = Fix2Long(trackWidth);
outputHeight = Fix2Long(trackHeight);
TRACE("Width %i Height %i\n",outputWidth, outputHeight);
amt.cbFormat = sizeof(VIDEOINFOHEADER);
amt.pbFormat = CoTaskMemAlloc(amt.cbFormat);
ZeroMemory(amt.pbFormat, amt.cbFormat);
pvi = (VIDEOINFOHEADER *)amt.pbFormat;
pvi->bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
pvi->bmiHeader.biWidth = outputWidth;
pvi->bmiHeader.biHeight = outputHeight;
pvi->bmiHeader.biPlanes = 1;
pvi->bmiHeader.biBitCount = 24;
pvi->bmiHeader.biCompression = BI_RGB;
pvi->bmiHeader.biSizeImage = outputWidth * outputHeight * outputDepth;
filter->outputSize = pvi->bmiHeader.biSizeImage;
amt.lSampleSize = 0;
pixelBufferOptions = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
t = k32ARGBPixelFormat;
n = CFNumberCreate(NULL, kCFNumberIntType, &t);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferPixelFormatTypeKey, n);
CFRelease(n);
n = CFNumberCreate(NULL, kCFNumberIntType, &outputWidth);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferWidthKey, n);
CFRelease(n);
n = CFNumberCreate(NULL, kCFNumberIntType, &outputHeight);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferHeightKey, n);
CFRelease(n);
t = 16;
n = CFNumberCreate(NULL, kCFNumberIntType, &t);
CFDictionaryAddValue(pixelBufferOptions, kCVPixelBufferBytesPerRowAlignmentKey, n);
CFRelease(n);
visualContextOptions = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFDictionarySetValue(visualContextOptions, kQTVisualContextPixelBufferAttributesKey, pixelBufferOptions);
err = QTPixelBufferContextCreate(NULL, visualContextOptions,&filter->vContext);
CFRelease(pixelBufferOptions);
CFRelease(visualContextOptions);
if (err != noErr)
{
ERR("Failed to create Visual Context\n");
return E_FAIL;
}
err = SetMovieVisualContext(filter->pQTMovie, filter->vContext);
if (err != noErr)
{
ERR("Failed to set Visual Context\n");
return E_FAIL;
}
videoMedia = GetTrackMedia(trk);
sampleCount = GetMediaSampleCount(videoMedia);
timeScale = GetMediaTimeScale(videoMedia);
duration = GetMediaDisplayDuration(videoMedia);
pvi->AvgTimePerFrame = (100000.0 * sampleCount * timeScale) / duration;
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = &filter->filter.IBaseFilter_iface;
lstrcpyW(piOutput.achName,szwVideoOut);
hr = QT_AddPin(filter, &piOutput, &amt, TRUE);
if (FAILED(hr))
ERR("Failed to add Video Track\n");
else
TRACE("Video Pin %p\n",filter->pVideo_Pin);
return hr;
}