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84 lines
2.4 KiB
84 lines
2.4 KiB
/****************************************************************************
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Copyright (c) 2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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#include "audio/android/utils/Errors.h"
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#include "base/std/container/vector.h"
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namespace cc {
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class Track;
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class AudioMixer;
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class AudioMixerController {
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public:
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struct OutputBuffer {
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void *buf;
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size_t size;
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};
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AudioMixerController(int bufferSizeInFrames, int sampleRate, int channelCount);
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~AudioMixerController();
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bool init();
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bool addTrack(Track *track);
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bool hasPlayingTacks();
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void pause();
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void resume();
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inline bool isPaused() const { return _isPaused; };
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void mixOneFrame();
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inline OutputBuffer *current() { return &_mixingBuffer; }
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private:
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void destroy();
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void initTrack(Track *track, ccstd::vector<Track *> &tracksToRemove);
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private:
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int _bufferSizeInFrames;
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int _sampleRate;
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int _channelCount;
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AudioMixer *_mixer;
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std::mutex _activeTracksMutex;
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ccstd::vector<Track *> _activeTracks;
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OutputBuffer _mixingBuffer;
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std::atomic_bool _isPaused;
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std::atomic_bool _isMixingFrame;
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};
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} // namespace cc
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