axmol/cocos/audio/android/PcmAudioService.h

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Copyright (c) 2016 Chukong Technologies Inc.

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#pragma once

#include "audio/android/IAudioPlayer.h"
#include "audio/android/OpenSLHelper.h"
#include "audio/android/PcmData.h"

#include <mutex>
#include <condition_variable>

namespace cocos2d { namespace experimental {

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 { namespace experimental {