HRESULT
WMFReader::CreateSourceReader()
{
HRESULT hr;
RefPtr<IMFAttributes> attr;
hr = wmf::MFCreateAttributes(byRef(attr), 1);
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
hr = attr->SetUnknown(MF_SOURCE_READER_ASYNC_CALLBACK, mSourceReaderCallback);
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
if (mUseHwAccel) {
hr = attr->SetUnknown(MF_SOURCE_READER_D3D_MANAGER,
mDXVA2Manager->GetDXVADeviceManager());
if (FAILED(hr)) {
DECODER_LOG("Failed to set DXVA2 D3D Device manager on source reader attributes");
mUseHwAccel = false;
}
}
hr = wmf::MFCreateSourceReaderFromByteStream(mByteStream, attr, byRef(mSourceReader));
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
hr = ConfigureVideoDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
hr = ConfigureAudioDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
if (mUseHwAccel && mInfo.HasVideo()) {
RefPtr<IMFTransform> videoDecoder;
hr = mSourceReader->GetServiceForStream(MF_SOURCE_READER_FIRST_VIDEO_STREAM,
GUID_NULL,
IID_IMFTransform,
(void**)(IMFTransform**)(byRef(videoDecoder)));
if (SUCCEEDED(hr)) {
ULONG_PTR manager = ULONG_PTR(mDXVA2Manager->GetDXVADeviceManager());
hr = videoDecoder->ProcessMessage(MFT_MESSAGE_SET_D3D_MANAGER,
manager);
if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
// Ignore MF_E_TRANSFORM_TYPE_NOT_SET. Vista returns this here
// on some, perhaps all, video cards. This may be because activating
// DXVA changes the available output types. It seems to be safe to
// ignore this error.
hr = S_OK;
}
}
if (FAILED(hr)) {
DECODER_LOG("Failed to set DXVA2 D3D Device manager on decoder hr=0x%x", hr);
mUseHwAccel = false;
}
}
return hr;
}
nsresult
WMFReader::ReadMetadata(MediaInfo* aInfo,
MetadataTags** aTags)
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
LOG("WMFReader::ReadMetadata()");
HRESULT hr;
RefPtr<IMFAttributes> attr;
hr = wmf::MFCreateAttributes(byRef(attr), 1);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = attr->SetUnknown(MF_SOURCE_READER_ASYNC_CALLBACK, mSourceReaderCallback);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
if (mUseHwAccel) {
hr = attr->SetUnknown(MF_SOURCE_READER_D3D_MANAGER,
mDXVA2Manager->GetDXVADeviceManager());
if (FAILED(hr)) {
LOG("Failed to set DXVA2 D3D Device manager on source reader attributes");
mUseHwAccel = false;
}
}
hr = wmf::MFCreateSourceReaderFromByteStream(mByteStream, attr, byRef(mSourceReader));
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = ConfigureVideoDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = ConfigureAudioDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
if (mUseHwAccel && mInfo.mVideo.mHasVideo) {
RefPtr<IMFTransform> videoDecoder;
hr = mSourceReader->GetServiceForStream(MF_SOURCE_READER_FIRST_VIDEO_STREAM,
GUID_NULL,
IID_IMFTransform,
(void**)(IMFTransform**)(byRef(videoDecoder)));
if (SUCCEEDED(hr)) {
ULONG_PTR manager = ULONG_PTR(mDXVA2Manager->GetDXVADeviceManager());
hr = videoDecoder->ProcessMessage(MFT_MESSAGE_SET_D3D_MANAGER,
manager);
if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
// Ignore MF_E_TRANSFORM_TYPE_NOT_SET. Vista returns this here
// on some, perhaps all, video cards. This may be because activating
// DXVA changes the available output types. It seems to be safe to
// ignore this error.
hr = S_OK;
}
}
if (FAILED(hr)) {
LOG("Failed to set DXVA2 D3D Device manager on decoder hr=0x%x", hr);
mUseHwAccel = false;
// Re-run the configuration process, so that the output video format
// is set correctly to reflect that hardware acceleration is disabled.
// Without this, we'd be running with !mUseHwAccel and the output format
// set to NV12, which is the format we expect when using hardware
// acceleration. This would cause us to misinterpret the frame contents.
hr = ConfigureVideoDecoder();
}
}
if (mInfo.HasVideo()) {
LOG("Using DXVA: %s", (mUseHwAccel ? "Yes" : "No"));
}
// Abort if both video and audio failed to initialize.
NS_ENSURE_TRUE(mInfo.HasValidMedia(), NS_ERROR_FAILURE);
// Get the duration, and report it to the decoder if we have it.
int64_t duration = 0;
hr = GetSourceReaderDuration(mSourceReader, duration);
if (SUCCEEDED(hr)) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(duration);
}
// We can seek if we get a duration *and* the reader reports that it's
// seekable.
bool canSeek = false;
if (FAILED(hr) ||
FAILED(GetSourceReaderCanSeek(mSourceReader, canSeek)) ||
!canSeek) {
mDecoder->SetMediaSeekable(false);
}
*aInfo = mInfo;
*aTags = nullptr;
// aTags can be retrieved using techniques like used here:
// http://blogs.msdn.com/b/mf/archive/2010/01/12/mfmediapropdump.aspx
return NS_OK;
}
nsresult
WMFReader::ReadMetadata(VideoInfo* aInfo,
MetadataTags** aTags)
{
NS_ASSERTION(mDecoder->OnDecodeThread(), "Should be on decode thread.");
LOG("WMFReader::ReadMetadata()");
HRESULT hr;
RefPtr<IMFAttributes> attr;
hr = wmf::MFCreateAttributes(byRef(attr), 1);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = attr->SetUnknown(MF_SOURCE_READER_ASYNC_CALLBACK, mSourceReaderCallback);
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
if (mUseHwAccel) {
hr = attr->SetUnknown(MF_SOURCE_READER_D3D_MANAGER,
mDXVA2Manager->GetDXVADeviceManager());
if (FAILED(hr)) {
LOG("Failed to set DXVA2 D3D Device manager on source reader attributes");
mUseHwAccel = false;
}
}
hr = wmf::MFCreateSourceReaderFromByteStream(mByteStream, attr, byRef(mSourceReader));
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = ConfigureVideoDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
hr = ConfigureAudioDecoder();
NS_ENSURE_TRUE(SUCCEEDED(hr), NS_ERROR_FAILURE);
if (mUseHwAccel && mInfo.mHasVideo) {
RefPtr<IMFTransform> videoDecoder;
hr = mSourceReader->GetServiceForStream(MF_SOURCE_READER_FIRST_VIDEO_STREAM,
GUID_NULL,
IID_IMFTransform,
(void**)(IMFTransform**)(byRef(videoDecoder)));
if (SUCCEEDED(hr)) {
ULONG_PTR manager = ULONG_PTR(mDXVA2Manager->GetDXVADeviceManager());
hr = videoDecoder->ProcessMessage(MFT_MESSAGE_SET_D3D_MANAGER,
manager);
}
if (FAILED(hr)) {
LOG("Failed to set DXVA2 D3D Device manager on decoder");
mUseHwAccel = false;
}
}
if (mInfo.mHasVideo) {
LOG("Using DXVA: %s", (mUseHwAccel ? "Yes" : "No"));
}
// Abort if both video and audio failed to initialize.
NS_ENSURE_TRUE(mInfo.mHasAudio || mInfo.mHasVideo, NS_ERROR_FAILURE);
int64_t duration = 0;
if (SUCCEEDED(GetSourceReaderDuration(mSourceReader, duration))) {
ReentrantMonitorAutoEnter mon(mDecoder->GetReentrantMonitor());
mDecoder->SetMediaDuration(duration);
}
hr = GetSourceReaderCanSeek(mSourceReader, mCanSeek);
NS_ASSERTION(SUCCEEDED(hr), "Can't determine if resource is seekable");
*aInfo = mInfo;
*aTags = nullptr;
// aTags can be retrieved using techniques like used here:
// http://blogs.msdn.com/b/mf/archive/2010/01/12/mfmediapropdump.aspx
return NS_OK;
}
