AudioPlayer.h

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#pragma once
#include "stdint.h"
#include "stddef.h"
#include <string>
#include <memory>
#include "ship/audio/AudioChannelsSetting.h"
#include "ship/audio/SoundMatrixDecoder.h"
 
namespace Ship {
 
struct AudioSettings {
    int32_t SampleRate = 44100;     
    int32_t SampleLength = 1024;    
    int32_t DesiredBuffered = 2480; 
    AudioChannelsSetting ChannelSetting =
        AudioChannelsSetting::audioStereo; 
};
 
class AudioPlayer {
 
  public:
    AudioPlayer(AudioSettings settings) : mAudioSettings(settings) {
    }
    ~AudioPlayer();
 
    bool Init();
 
    virtual int32_t Buffered() = 0;
 
    void Play(const uint8_t* buf, size_t len);
 
    bool IsInitialized();
 
    int32_t GetSampleRate() const;
 
    int32_t GetSampleLength() const;
 
    int32_t GetDesiredBuffered() const;
 
    AudioChannelsSetting GetAudioChannels() const;
 
    void SetSampleRate(int32_t rate);
 
    void SetSampleLength(int32_t length);
 
    void SetDesiredBuffered(int32_t size);
 
    bool SetAudioChannels(AudioChannelsSetting channels);
 
    int32_t GetNumOutputChannels() const;
 
  protected:
    virtual bool DoInit() = 0;
 
    virtual void DoClose() = 0;
 
    virtual void DoPlay(const uint8_t* buf, size_t len) = 0;
 
  private:
    std::unique_ptr<SoundMatrixDecoder>
        mSoundMatrixDecoder; 
 
    AudioSettings mAudioSettings;
    bool mInitialized = false;
};
} // namespace Ship
 
#ifdef _WIN32
#include "WasapiAudioPlayer.h"
#endif
 
#ifdef __APPLE__
#include "CoreAudioAudioPlayer.h"
#endif
 
#include "SDLAudioPlayer.h"
#include "NullAudioPlayer.h"