IAPDemo/Libraries/cocos2d/cocos/audio/apple/AudioEngine-inl.h

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#include "platform/CCPlatformConfig.h"
#include <list>
#if CC_TARGET_PLATFORM == CC_PLATFORM_IOS || CC_TARGET_PLATFORM == CC_PLATFORM_MAC

#ifndef __AUDIO_ENGINE_INL_H_
#define __AUDIO_ENGINE_INL_H_

#include <unordered_map>

#include "base/CCRef.h"
#include "audio/apple/AudioCache.h"
#include "audio/apple/AudioPlayer.h"

NS_CC_BEGIN
class Scheduler;

namespace experimental{
#define MAX_AUDIOINSTANCES 24

class AudioEngineImpl : public cocos2d::Ref
{
public:
    AudioEngineImpl();
    ~AudioEngineImpl();

    bool init();
    int play2d(const std::string &fileFullPath ,bool loop ,float volume);
    void setVolume(int audioID,float volume);
    void setLoop(int audioID, bool loop);
    bool pause(int audioID);
    bool resume(int audioID);
    void stop(int audioID);
    void stopAll();
    float getDuration(int audioID);
    float getCurrentTime(int audioID);
    bool setCurrentTime(int audioID, float time);
    void setFinishCallback(int audioID, const std::function<void (int, const std::string &)> &callback);

    void uncache(const std::string& filePath);
    void uncacheAll();
    AudioCache* preload(const std::string& filePath, std::function<void(bool)> callback);
    void update(float dt);

private:
    void _play2d(AudioCache *cache, int audioID);
    ALuint findValidSource();

    static ALvoid myAlSourceNotificationCallback(ALuint sid, ALuint notificationID, ALvoid* userData);

    ALuint _alSources[MAX_AUDIOINSTANCES];

    //source,used
    std::list<ALuint> _unusedSourcesPool;

    //filePath,bufferInfo
    std::unordered_map<std::string, AudioCache> _audioCaches;

    //audioID,AudioInfo
    std::unordered_map<int, AudioPlayer*>  _audioPlayers;
    std::mutex _threadMutex;

    bool _lazyInitLoop;

    int _currentAudioID;
    Scheduler* _scheduler;
};
}
NS_CC_END
#endif // __AUDIO_ENGINE_INL_H_
#endif