79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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* Copyright 2022 Michael Goffioul <michael.goffioul@gmail.com>
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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 C2_FFMPEG_AUDIO_DECODE_COMPONENT_H
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#define C2_FFMPEG_AUDIO_DECODE_COMPONENT_H
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#include <SimpleC2Component.h>
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#include "C2FFMPEGCommon.h"
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#include "C2FFMPEGAudioDecodeInterface.h"
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namespace android {
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struct CodecHelper;
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class C2FFMPEGAudioDecodeComponent : public SimpleC2Component {
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public:
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explicit C2FFMPEGAudioDecodeComponent(
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const C2FFMPEGComponentInfo* componentInfo,
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const std::shared_ptr<C2FFMPEGAudioDecodeInterface>& intf);
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virtual ~C2FFMPEGAudioDecodeComponent();
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protected:
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c2_status_t onInit() override;
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c2_status_t onStop() override;
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void onReset() override;
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void onRelease() override;
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c2_status_t onFlush_sm() override;
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void process(
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const std::unique_ptr<C2Work> &work,
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const std::shared_ptr<C2BlockPool> &pool) override;
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c2_status_t drain(
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uint32_t drainMode,
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const std::shared_ptr<C2BlockPool> &pool) override;
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private:
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c2_status_t initDecoder();
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c2_status_t openDecoder();
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void deInitDecoder();
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c2_status_t processCodecConfig(C2ReadView* inBuffer);
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c2_status_t sendInputBuffer(C2ReadView* inBuffer, int64_t timestamp);
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c2_status_t receiveFrame(bool* hasFrame);
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c2_status_t getOutputBuffer(C2WriteView* outBuffer);
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void updateAudioParameters();
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private:
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const C2FFMPEGComponentInfo* mInfo;
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std::shared_ptr<C2FFMPEGAudioDecodeInterface> mIntf;
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enum AVCodecID mCodecID;
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AVCodecContext* mCtx;
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AVFrame* mFrame;
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AVPacket* mPacket;
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bool mFFMPEGInitialized;
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bool mCodecAlreadyOpened;
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bool mEOSSignalled;
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// Audio resampling
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struct SwrContext* mSwrCtx;
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enum AVSampleFormat mTargetSampleFormat;
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int mTargetSampleRate;
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int mTargetChannels;
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// Misc
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CodecHelper* mCodecHelper;
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};
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} // namespace android
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#endif // C2_FFMPEG_AUDIO_DECODE_COMPONENT_H
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