snes9x/common/audio/s9x_sound_driver_portaudio.hpp

39 lines
1.2 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_PORTAUDIO_HPP
#define __S9X_SOUND_DRIVER_PORTAUDIO_HPP
#include <errno.h>
#include <portaudio.h>
#include "s9x_sound_driver.hpp"
class S9xPortAudioSoundDriver : public S9xSoundDriver
{
public:
S9xPortAudioSoundDriver();
~S9xPortAudioSoundDriver();
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;
void samples_available();
bool tryHostAPI(int index);
private:
PaStream *audio_stream;
int playback_rate;
int buffer_size_ms;
int output_buffer_size;
};
#endif /* __S9X_SOUND_DRIVER_PORTAUDIO_HPP */