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92 lines
2.6 KiB
C++
92 lines
2.6 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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#ifndef __VideoDecoder_h__
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#define __VideoDecoder_h__
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#include "gmp-task-utils.h"
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#include "gmp-video-decode.h"
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#include "gmp-video-host.h"
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#include "WMFH264Decoder.h"
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#include "mfobjects.h"
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class VideoDecoder : public GMPVideoDecoder
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{
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public:
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VideoDecoder(GMPVideoHost *aHostAPI);
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virtual ~VideoDecoder();
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virtual void InitDecode(const GMPVideoCodec& aCodecSettings,
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const uint8_t* aCodecSpecific,
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uint32_t aCodecSpecificLength,
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GMPVideoDecoderCallback* aCallback,
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int32_t aCoreCount) override;
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virtual void Decode(GMPVideoEncodedFrame* aInputFrame,
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bool aMissingFrames,
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const uint8_t* aCodecSpecific,
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uint32_t aCodecSpecificLength,
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int64_t aRenderTimeMs = -1);
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virtual void Reset() override;
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virtual void Drain() override;
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virtual void DecodingComplete() override;
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bool HasShutdown() { return mHasShutdown; }
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private:
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void EnsureWorker();
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void DrainTask();
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void DecodeTask(GMPVideoEncodedFrame* aInputFrame);
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void ReturnOutput(IMFSample* aSample,
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int32_t aWidth,
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int32_t aHeight,
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int32_t aStride);
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HRESULT SampleToVideoFrame(IMFSample* aSample,
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int32_t aWidth,
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int32_t aHeight,
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int32_t aStride,
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GMPVideoi420Frame* aVideoFrame);
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void MaybeRunOnMainThread(gmp_task_args_base* aTask);
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void Destroy();
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GMPVideoHost *mHostAPI; // host-owned, invalid at DecodingComplete
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GMPVideoDecoderCallback* mCallback; // host-owned, invalid at DecodingComplete
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GMPThread* mWorkerThread;
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GMPMutex* mMutex;
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wmf::AutoPtr<wmf::WMFH264Decoder> mDecoder;
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std::vector<uint8_t> mExtraData;
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std::vector<uint8_t> mAnnexB;
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int32_t mNumInputTasks;
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bool mSentExtraData;
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bool mHasShutdown;
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};
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#endif // __VideoDecoder_h__
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