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wineqtdecoder: Optimizations for audio extraction.

This commit is contained in:
Aric Stewart 2011-04-06 13:36:13 -05:00 committed by Alexandre Julliard
parent 75a010581a
commit d07f46e8a8
1 changed files with 28 additions and 30 deletions
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58
dlls/wineqtdecoder/qtsplitter.c
View File

@ -356,6 +356,9 @@ static OSErr QT_Create_Extract_Session(QTSplitter *filter)
{
AudioStreamBasicDescription aDesc;
OSErr err;
WAVEFORMATEX* pvi;
pvi = (WAVEFORMATEX*)filter->pAudio_Pin->pmt->pbFormat;
err = MovieAudioExtractionBegin(filter->pQTMovie, 0, &filter->aSession);
if (err != noErr)
@ -381,11 +384,11 @@ kQTMovieAudioExtractionAudioPropertyID_AudioStreamBasicDescription,
aDesc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger +
kAudioFormatFlagIsPacked;
aDesc.mFramesPerPacket = 1;
aDesc.mChannelsPerFrame = 2;
aDesc.mBitsPerChannel = 16;
aDesc.mChannelsPerFrame = pvi->nChannels;
aDesc.mBitsPerChannel = pvi->wBitsPerSample;
aDesc.mSampleRate = pvi->nSamplesPerSec;
aDesc.mBytesPerFrame = (aDesc.mBitsPerChannel * aDesc.mChannelsPerFrame) / 8;
aDesc.mBytesPerPacket = aDesc.mBytesPerFrame * aDesc.mFramesPerPacket;
aDesc.mSampleRate = 48000;
err = MovieAudioExtractionSetProperty(filter->aSession,
kQTPropertyClass_MovieAudioExtraction_Audio,
@ -408,17 +411,17 @@ kQTMovieAudioExtractionAudioPropertyID_AudioStreamBasicDescription,
ERR("Unhandled Frames per packet %li\n",aDesc.mFramesPerPacket);
err = -1;
}
if (aDesc.mChannelsPerFrame != 2)
if (aDesc.mChannelsPerFrame != pvi->nChannels)
{
ERR("Unhandled channel count %li\n",aDesc.mChannelsPerFrame);
err = -1;
}
if (aDesc.mBitsPerChannel != 16)
if (aDesc.mBitsPerChannel != pvi->wBitsPerSample)
{
ERR("Unhandled bits per channel %li\n",aDesc.mBitsPerChannel);
err = -1;
}
if (aDesc.mSampleRate != 48000)
if (aDesc.mSampleRate != pvi->nSamplesPerSec)
{
ERR("Unhandled sample rate %f\n",aDesc.mSampleRate);
err = -1;
@ -463,8 +466,6 @@ static DWORD WINAPI QTSplitter_thread(LPVOID data)
LONGLONG tStart=0, tStop=0;
float time;
MoviesTask(This->pQTMovie,0);
QTVisualContextTask(This->vContext);
GetMovieNextInterestingTime(This->pQTMovie, nextTimeStep, 0, NULL, movie_time, 1, &next_time, NULL);
if (next_time == -1)
@ -497,26 +498,9 @@ static DWORD WINAPI QTSplitter_thread(LPVOID data)
UInt32 frames;
WAVEFORMATEX* pvi;
float duration;
static int audio_frame_size = 0;
pvi = (WAVEFORMATEX*)This->pAudio_Pin->pmt->pbFormat;
if (audio_frame_size == 0)
audio_frame_size = (pvi->wBitsPerSample * pvi->nChannels) / 8;
tr.value = SInt64ToWide(movie_time);
err = MovieAudioExtractionSetProperty(This->aSession,
kQTPropertyClass_MovieAudioExtraction_Movie,
kQTMovieAudioExtractionMoviePropertyID_CurrentTime,
sizeof(TimeRecord), &tr);
if (err != noErr)
{
ERR("Failed to set audio media time\n");
goto audio_error;
}
hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->pAudio_Pin, &sample, NULL, NULL, 0);
if (FAILED(hr))
@ -539,7 +523,7 @@ static DWORD WINAPI QTSplitter_thread(LPVOID data)
TRACE("Need audio for %f seconds (%li frames)\n",duration,frames);
data_size = IMediaSample_GetSize(sample);
if (data_size < frames * audio_frame_size )
if (data_size < frames * pvi->nBlockAlign)
FIXME("Audio buffer is too small\n");
aData.mNumberBuffers = 1;
@ -550,7 +534,7 @@ static DWORD WINAPI QTSplitter_thread(LPVOID data)
err = MovieAudioExtractionFillBuffer(This->aSession, &frames, &aData, &flags);
TRACE("Got %i frames\n",(int)frames);
IMediaSample_SetActualDataLength(sample, frames * audio_frame_size);
IMediaSample_SetActualDataLength(sample, frames * pvi->nBlockAlign);
IMediaSample_SetMediaTime(sample, &tStart, &tStop);
if (tStart)
@ -850,6 +834,12 @@ static HRESULT QT_Process_Audio_Track(QTSplitter* filter, Track trk)
PIN_INFO piOutput;
HRESULT hr = S_OK;
static const WCHAR szwAudioOut[] = {'A','u','d','i','o',0};
Media audioMedia;
SoundDescriptionHandle aDesc = (SoundDescriptionHandle) NewHandle(sizeof(SoundDescription));
audioMedia = GetTrackMedia(trk);
GetMediaSampleDescription(audioMedia, 1, (SampleDescriptionHandle)aDesc);
ZeroMemory(&amt, sizeof(amt));
amt.formattype = FORMAT_WaveFormatEx;
@ -864,12 +854,20 @@ static HRESULT QT_Process_Audio_Track(QTSplitter* filter, Track trk)
pvi->cbSize = sizeof(WAVEFORMATEX);
pvi->wFormatTag = WAVE_FORMAT_PCM;
pvi->nChannels = 2;
pvi->nSamplesPerSec = 48000;
pvi->wBitsPerSample = 16;
pvi->nChannels = ((SoundDescription)**aDesc).numChannels;
if (pvi->nChannels < 1 || pvi->nChannels > 2)
pvi->nChannels = 2;
pvi->nSamplesPerSec = (((SoundDescription)**aDesc).sampleRate/65536);
if (pvi->nSamplesPerSec < 8000 || pvi->nChannels > 48000)
pvi->nSamplesPerSec = 44100;
pvi->wBitsPerSample = ((SoundDescription)**aDesc).sampleSize;
if (pvi->wBitsPerSample < 8 || pvi->wBitsPerSample > 32)
pvi->wBitsPerSample = 16;
pvi->nBlockAlign = (pvi->nChannels * pvi->wBitsPerSample) / 8;
pvi->nAvgBytesPerSec = pvi->nSamplesPerSec * pvi->nBlockAlign;
DisposeHandle((Handle)aDesc);
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = (IBaseFilter *)filter;
lstrcpyW(piOutput.achName,szwAudioOut);