audio_base

namespace cyberdog_audio
{
#define DELAY_CHECK_TIME 1000
#define DEFAULT_PLAY_CHANNEL_NUM 4
#define DEFAULT_VOLUME MIX_MAX_VOLUME

#define AUDIO_FREQUENCY 16000
#define AUDIO_FORMAT MIX_DEFAULT_FORMAT
#define AUDIO_CHANNELS 1
#define AUDIO_CHUCKSIZE 2048

using callback = std::function<void (void)>;

class AudioPlayer
{
public:
  explicit AudioPlayer(
    int channel,
    callback finish_callback = nullptr,
    int volume_group = INDE_VOLUME_GROUP,
    int volume = DEFAULT_VOLUME);
  static int GetFreeChannel();
  static bool InitSuccess();

  static bool OpenReference();
  static void CloseReference();
  static int GetReferenceData(Uint8 * buff, int need_size);
  static size_t GetReferenceDataSize();

  void SetFinishCallBack(callback finish_callback);
  int SetVolume(int volume);
  void SetVolumeGroup(int volume_gp);
  int GetVolume();

  void AddPlay(Uint8 * buff, int len);
  void AddPlay(const char * file);
  void StopPlay();
  bool IsPlaying();
  bool InitReady();
};
}

AudioPlayer(
  int channel,
  callback finish_callback = nullptr,
  int volume_group = INDE_VOLUME_GROUP,
  int volume = DEFAULT_VOLUME);

static int GetFreeChannel();

static bool InitSuccess();

static bool OpenReference();

static void CloseReference();

static int GetReferenceData(Uint8 * buff, int need_size);

static size_t GetReferenceDataSize();

void SetFinishCallBack(callback finish_callback);

int SetVolume(int volume);

void SetVolumeGroup(int volume_gp);

int GetVolume();

void AddPlay(Uint8 * buff, int len);

void AddPlay(const char * file);

void StopPlay();

bool IsPlaying();

bool InitReady();

#include "audio_player.cpp"

using namespace cyberdog_audio;

using player_ptr = std::shared_ptr<AudioPlayer>;

class AudioPlayerDemo
{
private:
  player_ptr player_;
public:
  AudioPlayerDemo();
  ~AudioPlayerDemo();
  void Init();
  void FinishCallback();
  void UsePlay();
};

AudioPlayerDemo::AudioPlayerDemo() {
  Init();
}

AudioPlayerDemo::~AudioPlayerDemo() {
  player_ = nullptr;
}

void AudioPlayerDemo::Init() {
  player_ = std::make_shared<AudioPlayer>(1, std::bind(&AudioPlayerDemo::FinishCallback, this));
}

void AudioPlayerDemo::FinishCallback() {
  printf("FinishCallback\n");
}

void AudioPlayerDemo::UsePlay() {
  if (player_->InitReady()) {
    player_->AddPlay("/audio.wav");
  } else {
    printf("Init Failed\n");
  }
}