ES-DE/es-core/src/AudioManager.h

60 lines
1.4 KiB
C++

// SPDX-License-Identifier: MIT
//
// EmulationStation Desktop Edition
// AudioManager.h
//
// Low-level audio functions (using SDL2).
//
#ifndef ES_CORE_AUDIO_MANAGER_H
#define ES_CORE_AUDIO_MANAGER_H
#include <SDL2/SDL_audio.h>
#include <atomic>
#include <memory>
#include <vector>
class Sound;
class AudioManager
{
public:
virtual ~AudioManager();
static AudioManager& getInstance();
void init();
void deinit();
void registerSound(std::shared_ptr<Sound> sound);
void unregisterSound(std::shared_ptr<Sound> sound);
void play();
void stop();
// Used for streaming audio from videos.
void setupAudioStream(int sampleRate);
void processStream(const void* samples, unsigned count);
void clearStream();
void muteStream() { sMuteStream = true; }
void unmuteStream() { sMuteStream = false; }
bool getHasAudioDevice() { return sHasAudioDevice; }
inline static SDL_AudioDeviceID sAudioDevice = 0;
inline static SDL_AudioSpec sAudioFormat;
private:
AudioManager() noexcept;
static void mixAudio(void* unused, Uint8* stream, int len);
static void mixAudio2(void* unused, Uint8* stream, int len);
inline static SDL_AudioStream* sConversionStream;
inline static std::vector<std::shared_ptr<Sound>> sSoundVector;
inline static std::atomic<bool> sMuteStream = false;
inline static bool sHasAudioDevice = true;
};
#endif // ES_CORE_AUDIO_MANAGER_H