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113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(GMPAudioDecoder_h_)
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#define GMPAudioDecoder_h_
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#include "GMPAudioDecoderProxy.h"
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#include "MediaDataDecoderProxy.h"
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#include "PlatformDecoderModule.h"
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#include "mozIGeckoMediaPluginService.h"
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namespace mozilla {
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class AudioCallbackAdapter : public GMPAudioDecoderCallbackProxy {
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public:
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explicit AudioCallbackAdapter(MediaDataDecoderCallbackProxy* aCallback)
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: mCallback(aCallback)
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, mLastStreamOffset(0)
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, mAudioFrameSum(0)
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, mAudioFrameOffset(0)
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, mMustRecaptureAudioPosition(true)
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{}
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// GMPAudioDecoderCallbackProxy
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void Decoded(const nsTArray<int16_t>& aPCM, uint64_t aTimeStamp, uint32_t aChannels, uint32_t aRate) override;
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void InputDataExhausted() override;
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void DrainComplete() override;
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void ResetComplete() override;
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void Error(GMPErr aErr) override;
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void Terminated() override;
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void SetLastStreamOffset(int64_t aStreamOffset) {
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mLastStreamOffset = aStreamOffset;
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}
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private:
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MediaDataDecoderCallbackProxy* mCallback;
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int64_t mLastStreamOffset;
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int64_t mAudioFrameSum;
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int64_t mAudioFrameOffset;
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bool mMustRecaptureAudioPosition;
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};
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class GMPAudioDecoder : public MediaDataDecoder {
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protected:
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GMPAudioDecoder(const AudioInfo& aConfig,
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TaskQueue* aTaskQueue,
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MediaDataDecoderCallbackProxy* aCallback,
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AudioCallbackAdapter* aAdapter)
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: mConfig(aConfig)
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, mCallback(aCallback)
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, mGMP(nullptr)
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, mAdapter(aAdapter)
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{
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}
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public:
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GMPAudioDecoder(const AudioInfo& aConfig,
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TaskQueue* aTaskQueue,
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MediaDataDecoderCallbackProxy* aCallback)
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: mConfig(aConfig)
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, mCallback(aCallback)
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, mGMP(nullptr)
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, mAdapter(new AudioCallbackAdapter(aCallback))
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{
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}
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RefPtr<InitPromise> Init() override;
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nsresult Input(MediaRawData* aSample) override;
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nsresult Flush() override;
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nsresult Drain() override;
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nsresult Shutdown() override;
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protected:
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virtual void InitTags(nsTArray<nsCString>& aTags);
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virtual nsCString GetNodeId();
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private:
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class GMPInitDoneCallback : public GetGMPAudioDecoderCallback
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{
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public:
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explicit GMPInitDoneCallback(GMPAudioDecoder* aDecoder)
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: mDecoder(aDecoder)
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{
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}
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void Done(GMPAudioDecoderProxy* aGMP) override
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{
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mDecoder->GMPInitDone(aGMP);
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}
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private:
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RefPtr<GMPAudioDecoder> mDecoder;
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};
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void GMPInitDone(GMPAudioDecoderProxy* aGMP);
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const AudioInfo mConfig;
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MediaDataDecoderCallbackProxy* mCallback;
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nsCOMPtr<mozIGeckoMediaPluginService> mMPS;
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GMPAudioDecoderProxy* mGMP;
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nsAutoPtr<AudioCallbackAdapter> mAdapter;
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MozPromiseHolder<InitPromise> mInitPromise;
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};
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} // namespace mozilla
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#endif // GMPAudioDecoder_h_
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