HRESULT
WMFReader::ConfigureVideoDecoder()
{
NS_ASSERTION(mSourceReader, "Must have a SourceReader before configuring decoders!");
// Determine if we have video.
if (!mSourceReader ||
!SourceReaderHasStream(mSourceReader, MF_SOURCE_READER_FIRST_VIDEO_STREAM)) {
// No stream, no error.
return S_OK;
}
if (!mDecoder->GetImageContainer()) {
// We can't display the video, so don't bother to decode; disable the stream.
return mSourceReader->SetStreamSelection(MF_SOURCE_READER_FIRST_VIDEO_STREAM, FALSE);
}
static const GUID MP4VideoTypes[] = {
MFVideoFormat_H264
};
HRESULT hr = ConfigureSourceReaderStream(mSourceReader,
MF_SOURCE_READER_FIRST_VIDEO_STREAM,
mUseHwAccel ? MFVideoFormat_NV12 : MFVideoFormat_YV12,
MP4VideoTypes,
ArrayLength(MP4VideoTypes));
if (FAILED(hr)) {
DECODER_LOG("Failed to configured video output");
return hr;
}
RefPtr<IMFMediaType> mediaType;
hr = mSourceReader->GetCurrentMediaType(MF_SOURCE_READER_FIRST_VIDEO_STREAM,
byRef(mediaType));
if (FAILED(hr)) {
NS_WARNING("Failed to get configured video media type");
return hr;
}
if (FAILED(ConfigureVideoFrameGeometry(mediaType))) {
NS_WARNING("Failed configured video frame dimensions");
return hr;
}
DECODER_LOG("Successfully configured video stream");
mHasVideo = true;
return S_OK;
}
HRESULT
WMFReader::ConfigureAudioDecoder()
{
NS_ASSERTION(mSourceReader, "Must have a SourceReader before configuring decoders!");
if (!mSourceReader ||
!SourceReaderHasStream(mSourceReader, MF_SOURCE_READER_FIRST_AUDIO_STREAM)) {
// No stream, no error.
return S_OK;
}
const GUID* codecs;
uint32_t numCodecs = 0;
GetSupportedAudioCodecs(&codecs, &numCodecs);
HRESULT hr = ConfigureSourceReaderStream(mSourceReader,
MF_SOURCE_READER_FIRST_AUDIO_STREAM,
MFAudioFormat_Float,
codecs,
numCodecs);
if (FAILED(hr)) {
NS_WARNING("Failed to configure WMF Audio decoder for PCM output");
return hr;
}
RefPtr<IMFMediaType> mediaType;
hr = mSourceReader->GetCurrentMediaType(MF_SOURCE_READER_FIRST_AUDIO_STREAM,
byRef(mediaType));
if (FAILED(hr)) {
NS_WARNING("Failed to get configured audio media type");
return hr;
}
mAudioRate = MFGetAttributeUINT32(mediaType, MF_MT_AUDIO_SAMPLES_PER_SECOND, 0);
mAudioChannels = MFGetAttributeUINT32(mediaType, MF_MT_AUDIO_NUM_CHANNELS, 0);
mAudioBytesPerSample = MFGetAttributeUINT32(mediaType, MF_MT_AUDIO_BITS_PER_SAMPLE, 16) / 8;
mInfo.mAudio.mChannels = mAudioChannels;
mInfo.mAudio.mRate = mAudioRate;
mHasAudio = true;
DECODER_LOG("Successfully configured audio stream. rate=%u channels=%u bitsPerSample=%u",
mAudioRate, mAudioChannels, mAudioBytesPerSample);
return S_OK;
}
HRESULT
WMFReader::ConfigureVideoDecoder()
{
NS_ASSERTION(mSourceReader, "Must have a SourceReader before configuring decoders!");
// Determine if we have video.
if (!mSourceReader ||
!SourceReaderHasStream(mSourceReader, MF_SOURCE_READER_FIRST_VIDEO_STREAM)) {
// No stream, no error.
return S_OK;
}
static const GUID MP4VideoTypes[] = {
MFVideoFormat_H264
};
HRESULT hr = ConfigureSourceReaderStream(mSourceReader,
MF_SOURCE_READER_FIRST_VIDEO_STREAM,
mUseHwAccel ? MFVideoFormat_NV12 : MFVideoFormat_YV12,
MP4VideoTypes,
NS_ARRAY_LENGTH(MP4VideoTypes));
if (FAILED(hr)) {
LOG("Failed to configured video output");
return hr;
}
RefPtr<IMFMediaType> mediaType;
hr = mSourceReader->GetCurrentMediaType(MF_SOURCE_READER_FIRST_VIDEO_STREAM,
byRef(mediaType));
if (FAILED(hr)) {
NS_WARNING("Failed to get configured video media type");
return hr;
}
if (FAILED(ConfigureVideoFrameGeometry(mediaType))) {
NS_WARNING("Failed configured video frame dimensions");
return hr;
}
LOG("Successfully configured video stream");
mHasVideo = mInfo.mVideo.mHasVideo = true;
return S_OK;
}