bool
WMFVideoMFTManager::InitInternal(bool aForceD3D9)
{
mUseHwAccel = false; // default value; changed if D3D setup succeeds.
bool useDxva = InitializeDXVA(aForceD3D9);
RefPtr<MFTDecoder> decoder(new MFTDecoder());
HRESULT hr = decoder->Create(GetMFTGUID());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
RefPtr<IMFAttributes> attr(decoder->GetAttributes());
UINT32 aware = 0;
if (attr) {
attr->GetUINT32(MF_SA_D3D_AWARE, &aware);
attr->SetUINT32(CODECAPI_AVDecNumWorkerThreads,
WMFDecoderModule::GetNumDecoderThreads());
if (WMFDecoderModule::LowLatencyMFTEnabled()) {
hr = attr->SetUINT32(CODECAPI_AVLowLatencyMode, TRUE);
if (SUCCEEDED(hr)) {
LOG("Enabling Low Latency Mode");
} else {
LOG("Couldn't enable Low Latency Mode");
}
}
}
if (useDxva) {
if (aware) {
// TODO: Test if I need this anywhere... Maybe on Vista?
//hr = attr->SetUINT32(CODECAPI_AVDecVideoAcceleration_H264, TRUE);
//NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
MOZ_ASSERT(mDXVA2Manager);
ULONG_PTR manager = ULONG_PTR(mDXVA2Manager->GetDXVADeviceManager());
hr = decoder->SendMFTMessage(MFT_MESSAGE_SET_D3D_MANAGER, manager);
if (SUCCEEDED(hr)) {
mUseHwAccel = true;
} else {
mDXVA2Manager = nullptr;
mDXVAFailureReason = nsPrintfCString("MFT_MESSAGE_SET_D3D_MANAGER failed with code %X", hr);
}
}
else {
mDXVAFailureReason.AssignLiteral("Decoder returned false for MF_SA_D3D_AWARE");
}
}
if (!mUseHwAccel) {
Telemetry::Accumulate(Telemetry::MEDIA_DECODER_BACKEND_USED,
uint32_t(media::MediaDecoderBackend::WMFSoftware));
}
mDecoder = decoder;
hr = SetDecoderMediaTypes();
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
LOG("Video Decoder initialized, Using DXVA: %s", (mUseHwAccel ? "Yes" : "No"));
return true;
}
bool
WMFVideoMFTManager::InitInternal(bool aForceD3D9)
{
mUseHwAccel = false; // default value; changed if D3D setup succeeds.
bool useDxva = InitializeDXVA(aForceD3D9);
RefPtr<MFTDecoder> decoder(new MFTDecoder());
HRESULT hr = decoder->Create(GetMFTGUID());
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
RefPtr<IMFAttributes> attr(decoder->GetAttributes());
UINT32 aware = 0;
if (attr) {
attr->GetUINT32(MF_SA_D3D_AWARE, &aware);
attr->SetUINT32(CODECAPI_AVDecNumWorkerThreads,
WMFDecoderModule::GetNumDecoderThreads());
hr = attr->SetUINT32(CODECAPI_AVLowLatencyMode, TRUE);
if (SUCCEEDED(hr)) {
LOG("Enabling Low Latency Mode");
}
else {
LOG("Couldn't enable Low Latency Mode");
}
}
if (useDxva) {
if (aware) {
// TODO: Test if I need this anywhere... Maybe on Vista?
//hr = attr->SetUINT32(CODECAPI_AVDecVideoAcceleration_H264, TRUE);
//NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
MOZ_ASSERT(mDXVA2Manager);
ULONG_PTR manager = ULONG_PTR(mDXVA2Manager->GetDXVADeviceManager());
hr = decoder->SendMFTMessage(MFT_MESSAGE_SET_D3D_MANAGER, manager);
if (SUCCEEDED(hr)) {
mUseHwAccel = true;
} else {
mDXVA2Manager = nullptr;
mDXVAFailureReason = nsPrintfCString("MFT_MESSAGE_SET_D3D_MANAGER failed with code %X", hr);
}
}
else {
mDXVAFailureReason.AssignLiteral("Decoder returned false for MF_SA_D3D_AWARE");
}
}
mDecoder = decoder;
hr = SetDecoderMediaTypes();
NS_ENSURE_TRUE(SUCCEEDED(hr), false);
LOG("Video Decoder initialized, Using DXVA: %s", (mUseHwAccel ? "Yes" : "No"));
// Just in case ConfigureVideoFrameGeometry() does not set these
mVideoInfo = VideoInfo();
mVideoStride = 0;
mVideoWidth = 0;
mVideoHeight = 0;
mPictureRegion.SetEmpty();
return true;
}
