snes9x/common/audio/s9x_sound_driver_sdl.hpp

45 lines
1.3 KiB
C++

/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
#ifndef __S9X_SOUND_DRIVER_SDL_HPP
#define __S9X_SOUND_DRIVER_SDL_HPP
#include "SDL.h"
// SDL.h may include altivec.h which redefines vector and bool
#undef vector
#undef bool
#include "s9x_sound_driver.hpp"
#include "../../apu/resampler.h"
#include <mutex>
#include <cstdint>
class S9xSDLSoundDriver : public S9xSoundDriver
{
public:
S9xSDLSoundDriver();
~S9xSDLSoundDriver();
void init() override;
void deinit() override;
bool open_device(int playback_rate, int buffer_size) override;
void start() override;
void stop() override;
bool write_samples(int16_t *data, int samples) override;
int space_free() override;
std::pair<int, int> buffer_level() override;
private:
void mix(unsigned char *output, int bytes);
SDL_AudioSpec audiospec;
Resampler buffer;
std::mutex mutex;
int16_t temp[512];
};
#endif /* __S9X_SOUND_DRIVER_SDL_HPP */