mirror of
https://github.com/classilla/tenfourfox.git
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359 lines
8.8 KiB
C++
359 lines
8.8 KiB
C++
/*
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* Copyright 2013, Mozilla Foundation and contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "WMFH264Decoder.h"
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#include <algorithm>
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#include <codecapi.h>
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namespace wmf {
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WMFH264Decoder::WMFH264Decoder()
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: mDecoder(nullptr)
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{
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memset(&mInputStreamInfo, 0, sizeof(MFT_INPUT_STREAM_INFO));
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memset(&mOutputStreamInfo, 0, sizeof(MFT_OUTPUT_STREAM_INFO));
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}
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WMFH264Decoder::~WMFH264Decoder()
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{
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}
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HRESULT
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WMFH264Decoder::Init(int32_t aCoreCount)
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{
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HRESULT hr;
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hr = CreateMFT(__uuidof(CMSH264DecoderMFT),
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WMFDecoderDllNameFor(H264),
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mDecoder);
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if (FAILED(hr)) {
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// Windows 7 Enterprise Server N (which is what Mozilla's mochitests run
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// on) need a different CLSID to instantiate the H.264 decoder.
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hr = CreateMFT(CLSID_CMSH264DecMFT,
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WMFDecoderDllNameFor(H264),
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mDecoder);
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}
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ENSURE(SUCCEEDED(hr), hr);
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CComPtr<IMFAttributes> attr;
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hr = mDecoder->GetAttributes(&attr);
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ENSURE(SUCCEEDED(hr), hr);
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hr = attr->SetUINT32(CODECAPI_AVDecNumWorkerThreads,
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GetNumThreads(aCoreCount));
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ENSURE(SUCCEEDED(hr), hr);
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hr = SetDecoderInputType();
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ENSURE(SUCCEEDED(hr), hr);
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hr = SetDecoderOutputType();
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ENSURE(SUCCEEDED(hr), hr);
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hr = SendMFTMessage(MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, 0);
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ENSURE(SUCCEEDED(hr), hr);
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hr = SendMFTMessage(MFT_MESSAGE_NOTIFY_START_OF_STREAM, 0);
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ENSURE(SUCCEEDED(hr), hr);
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hr = mDecoder->GetInputStreamInfo(0, &mInputStreamInfo);
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ENSURE(SUCCEEDED(hr), hr);
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hr = mDecoder->GetOutputStreamInfo(0, &mOutputStreamInfo);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::ConfigureVideoFrameGeometry(IMFMediaType* aMediaType)
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{
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ENSURE(aMediaType != nullptr, E_POINTER);
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HRESULT hr;
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IntRect pictureRegion;
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hr = wmf::GetPictureRegion(aMediaType, pictureRegion);
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ENSURE(SUCCEEDED(hr), hr);
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UINT32 width = 0, height = 0;
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hr = MFGetAttributeSize(aMediaType, MF_MT_FRAME_SIZE, &width, &height);
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ENSURE(SUCCEEDED(hr), hr);
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// Success! Save state.
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GetDefaultStride(aMediaType, (UINT32*)&mStride);
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mVideoWidth = width;
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mVideoHeight = height;
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mPictureRegion = pictureRegion;
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LOG("WMFH264Decoder frame geometry frame=(%u,%u) stride=%u picture=(%d, %d, %d, %d)\n",
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width, height,
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mStride,
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mPictureRegion.x, mPictureRegion.y, mPictureRegion.width, mPictureRegion.height);
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return S_OK;
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}
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int32_t
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WMFH264Decoder::GetFrameWidth() const
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{
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return mVideoWidth;
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}
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int32_t
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WMFH264Decoder::GetFrameHeight() const
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{
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return mVideoHeight;
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}
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const IntRect&
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WMFH264Decoder::GetPictureRegion() const
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{
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return mPictureRegion;
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}
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int32_t
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WMFH264Decoder::GetStride() const
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{
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return mStride;
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}
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HRESULT
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WMFH264Decoder::SetDecoderInputType()
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{
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HRESULT hr;
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CComPtr<IMFMediaType> type;
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hr = MFCreateMediaType(&type);
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ENSURE(SUCCEEDED(hr), hr);
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hr = type->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
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ENSURE(SUCCEEDED(hr), hr);
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hr = type->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_H264);
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ENSURE(SUCCEEDED(hr), hr);
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hr = type->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_MixedInterlaceOrProgressive);
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ENSURE(SUCCEEDED(hr), hr);
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hr = mDecoder->SetInputType(0, type, 0);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::SetDecoderOutputType()
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{
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HRESULT hr;
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CComPtr<IMFMediaType> type;
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UINT32 typeIndex = 0;
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while (type = nullptr, SUCCEEDED(mDecoder->GetOutputAvailableType(0, typeIndex++, &type))) {
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GUID subtype;
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hr = type->GetGUID(MF_MT_SUBTYPE, &subtype);
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if (FAILED(hr)) {
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continue;
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}
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if (subtype == MFVideoFormat_I420 || subtype == MFVideoFormat_IYUV) {
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// On Windows 7 Enterprise N the MFT reports it reports IYUV instead
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// of I420. Other Windows' report I420. The formats are the same, so
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// support both.
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hr = mDecoder->SetOutputType(0, type, 0);
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ENSURE(SUCCEEDED(hr), hr);
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hr = ConfigureVideoFrameGeometry(type);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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}
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return E_FAIL;
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}
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HRESULT
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WMFH264Decoder::SendMFTMessage(MFT_MESSAGE_TYPE aMsg, UINT32 aData)
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{
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ENSURE(mDecoder != nullptr, E_POINTER);
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HRESULT hr = mDecoder->ProcessMessage(aMsg, aData);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::CreateInputSample(const uint8_t* aData,
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uint32_t aDataSize,
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Microseconds aTimestamp,
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Microseconds aDuration,
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IMFSample** aOutSample)
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{
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HRESULT hr;
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CComPtr<IMFSample> sample;
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hr = MFCreateSample(&sample);
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ENSURE(SUCCEEDED(hr), hr);
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CComPtr<IMFMediaBuffer> buffer;
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int32_t bufferSize = std::max<uint32_t>(uint32_t(mInputStreamInfo.cbSize), aDataSize);
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UINT32 alignment = (mInputStreamInfo.cbAlignment > 1) ? mInputStreamInfo.cbAlignment - 1 : 0;
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hr = MFCreateAlignedMemoryBuffer(bufferSize, alignment, &buffer);
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ENSURE(SUCCEEDED(hr), hr);
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DWORD maxLength = 0;
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DWORD currentLength = 0;
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BYTE* dst = nullptr;
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hr = buffer->Lock(&dst, &maxLength, ¤tLength);
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ENSURE(SUCCEEDED(hr), hr);
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// Copy data into sample's buffer.
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memcpy(dst, aData, aDataSize);
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hr = buffer->Unlock();
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ENSURE(SUCCEEDED(hr), hr);
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hr = buffer->SetCurrentLength(aDataSize);
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ENSURE(SUCCEEDED(hr), hr);
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hr = sample->AddBuffer(buffer);
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ENSURE(SUCCEEDED(hr), hr);
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hr = sample->SetSampleTime(UsecsToHNs(aTimestamp));
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ENSURE(SUCCEEDED(hr), hr);
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sample->SetSampleDuration(UsecsToHNs(aDuration));
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*aOutSample = sample.Detach();
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::CreateOutputSample(IMFSample** aOutSample)
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{
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HRESULT hr;
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CComPtr<IMFSample> sample;
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hr = MFCreateSample(&sample);
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ENSURE(SUCCEEDED(hr), hr);
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CComPtr<IMFMediaBuffer> buffer;
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int32_t bufferSize = mOutputStreamInfo.cbSize;
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UINT32 alignment = (mOutputStreamInfo.cbAlignment > 1) ? mOutputStreamInfo.cbAlignment - 1 : 0;
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hr = MFCreateAlignedMemoryBuffer(bufferSize, alignment, &buffer);
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ENSURE(SUCCEEDED(hr), hr);
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hr = sample->AddBuffer(buffer);
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ENSURE(SUCCEEDED(hr), hr);
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*aOutSample = sample.Detach();
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::GetOutputSample(IMFSample** aOutSample)
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{
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HRESULT hr;
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// We allocate samples for MFT output.
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MFT_OUTPUT_DATA_BUFFER output = {0};
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CComPtr<IMFSample> sample;
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hr = CreateOutputSample(&sample);
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ENSURE(SUCCEEDED(hr), hr);
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output.pSample = sample;
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DWORD status = 0;
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hr = mDecoder->ProcessOutput(0, 1, &output, &status);
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//LOG(L"WMFH264Decoder::GetOutputSample() ProcessOutput returned 0x%x\n", hr);
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CComPtr<IMFCollection> events = output.pEvents; // Ensure this is released.
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if (hr == MF_E_TRANSFORM_STREAM_CHANGE) {
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// Type change. Probably geometric apperature change.
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hr = SetDecoderOutputType();
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ENSURE(SUCCEEDED(hr), hr);
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return GetOutputSample(aOutSample);
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} else if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
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return MF_E_TRANSFORM_NEED_MORE_INPUT;
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}
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// Treat other errors as fatal.
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ENSURE(SUCCEEDED(hr), hr);
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assert(sample);
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// output.pSample
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*aOutSample = sample.Detach(); // AddRefs
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::Input(const uint8_t* aData,
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uint32_t aDataSize,
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Microseconds aTimestamp,
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Microseconds aDuration)
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{
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HRESULT hr;
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CComPtr<IMFSample> input = nullptr;
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hr = CreateInputSample(aData, aDataSize, aTimestamp, aDuration, &input);
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ENSURE(SUCCEEDED(hr) && input!=nullptr, hr);
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hr = mDecoder->ProcessInput(0, input, 0);
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if (hr == MF_E_NOTACCEPTING) {
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// MFT *already* has enough data to produce a sample. Retrieve it.
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LOG("ProcessInput returned MF_E_NOTACCEPTING\n");
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return MF_E_NOTACCEPTING;
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}
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::Output(IMFSample** aOutput)
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{
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HRESULT hr;
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CComPtr<IMFSample> outputSample;
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hr = GetOutputSample(&outputSample);
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if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
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return MF_E_TRANSFORM_NEED_MORE_INPUT;
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}
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// Treat other errors as fatal.
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ENSURE(SUCCEEDED(hr) && outputSample, hr);
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*aOutput = outputSample.Detach();
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::Reset()
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{
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HRESULT hr = SendMFTMessage(MFT_MESSAGE_COMMAND_FLUSH, 0);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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HRESULT
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WMFH264Decoder::Drain()
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{
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HRESULT hr = SendMFTMessage(MFT_MESSAGE_COMMAND_DRAIN, 0);
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ENSURE(SUCCEEDED(hr), hr);
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return S_OK;
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}
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} // namespace wmf
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