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74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/*
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* Copyright 2015, 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 __AudioDecoder_h__
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#define __AudioDecoder_h__
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#include "gmp-audio-decode.h"
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#include "gmp-audio-host.h"
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#include "gmp-task-utils.h"
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#include "WMFAACDecoder.h"
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#include "RefCounted.h"
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#include "mfobjects.h"
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class AudioDecoder : public GMPAudioDecoder
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, public RefCounted
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{
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public:
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AudioDecoder(GMPAudioHost *aHostAPI);
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virtual void InitDecode(const GMPAudioCodec& aCodecSettings,
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GMPAudioDecoderCallback* aCallback) override;
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virtual void Decode(GMPAudioSamples* aEncodedSamples);
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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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virtual ~AudioDecoder();
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void EnsureWorker();
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void DecodeTask(GMPAudioSamples* aEncodedSamples);
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void DrainTask();
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void ReturnOutput(IMFSample* aSample);
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HRESULT MFToGMPSample(IMFSample* aSample,
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GMPAudioSamples* aAudioFrame);
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void MaybeRunOnMainThread(GMPTask* aTask);
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GMPAudioHost *mHostAPI; // host-owned, invalid at DecodingComplete
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GMPAudioDecoderCallback* 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::WMFAACDecoder> mDecoder;
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int32_t mNumInputTasks;
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bool mHasShutdown;
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};
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#endif // __AudioDecoder_h__
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