gecko/media/gmp-clearkey/0.1/VideoDecoder.h

92 lines
2.6 KiB
C++

/*
* Copyright 2013, Mozilla Foundation and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __VideoDecoder_h__
#define __VideoDecoder_h__
#include "gmp-task-utils.h"
#include "gmp-video-decode.h"
#include "gmp-video-host.h"
#include "WMFH264Decoder.h"
#include "mfobjects.h"
class VideoDecoder : public GMPVideoDecoder
{
public:
VideoDecoder(GMPVideoHost *aHostAPI);
virtual ~VideoDecoder();
virtual void InitDecode(const GMPVideoCodec& aCodecSettings,
const uint8_t* aCodecSpecific,
uint32_t aCodecSpecificLength,
GMPVideoDecoderCallback* aCallback,
int32_t aCoreCount) override;
virtual void Decode(GMPVideoEncodedFrame* aInputFrame,
bool aMissingFrames,
const uint8_t* aCodecSpecific,
uint32_t aCodecSpecificLength,
int64_t aRenderTimeMs = -1);
virtual void Reset() override;
virtual void Drain() override;
virtual void DecodingComplete() override;
bool HasShutdown() { return mHasShutdown; }
private:
void EnsureWorker();
void DrainTask();
void DecodeTask(GMPVideoEncodedFrame* aInputFrame);
void ReturnOutput(IMFSample* aSample,
int32_t aWidth,
int32_t aHeight,
int32_t aStride);
HRESULT SampleToVideoFrame(IMFSample* aSample,
int32_t aWidth,
int32_t aHeight,
int32_t aStride,
GMPVideoi420Frame* aVideoFrame);
void MaybeRunOnMainThread(gmp_task_args_base* aTask);
void Destroy();
GMPVideoHost *mHostAPI; // host-owned, invalid at DecodingComplete
GMPVideoDecoderCallback* mCallback; // host-owned, invalid at DecodingComplete
GMPThread* mWorkerThread;
GMPMutex* mMutex;
wmf::AutoPtr<wmf::WMFH264Decoder> mDecoder;
std::vector<uint8_t> mExtraData;
std::vector<uint8_t> mAnnexB;
int32_t mNumInputTasks;
bool mSentExtraData;
bool mHasShutdown;
};
#endif // __VideoDecoder_h__