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cocos2d-x/cocos/audio/android/PcmAudioService.h

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+/****************************************************************************
+Copyright (c) 2016 Chukong Technologies Inc.
+Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+http://www.cocos2d-x.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************/
+
+#pragma once
+
+#include "audio/android/IAudioPlayer.h"
+#include "audio/android/OpenSLHelper.h"
+#include "audio/android/PcmData.h"
+
+#include <mutex>
+#include <condition_variable>
+
+namespace cocos2d { 
+
+class AudioMixerController;
+
+class PcmAudioService
+{
+public:
+    inline int getChannelCount() const
+    { return _numChannels; };
+
+    inline int getSampleRate() const
+    { return _sampleRate; };
+
+private:
+    PcmAudioService(SLEngineItf engineItf, SLObjectItf outputMixObject);
+
+    virtual ~PcmAudioService();
+
+    bool init(AudioMixerController* controller, int numChannels, int sampleRate, int bufferSizeInBytes);
+
+    bool enqueue();
+
+    void bqFetchBufferCallback(SLAndroidSimpleBufferQueueItf bq);
+
+    void pause();
+    void resume();
+
+private:
+    SLEngineItf _engineItf;
+    SLObjectItf _outputMixObj;
+
+    SLObjectItf _playObj;
+    SLPlayItf _playItf;
+    SLVolumeItf _volumeItf;
+    SLAndroidSimpleBufferQueueItf _bufferQueueItf;
+
+    int _numChannels;
+    int _sampleRate;
+    int _bufferSizeInBytes;
+
+    AudioMixerController* _controller;
+
+    friend class SLPcmAudioPlayerCallbackProxy;
+    friend class AudioPlayerProvider;
+};
+
+} // namespace cocos2d {