pandemonium_engine_minimal/drivers/alsa/audio_driver_alsa.h

67 lines
1.2 KiB
C++

#ifndef AUDIO_DRIVER_ALSA_H
#define AUDIO_DRIVER_ALSA_H
/* audio_driver_alsa.h */
#ifdef ALSA_ENABLED
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/os/safe_refcount.h"
#include "servers/audio_server.h"
#include "asound-so_wrap.h"
class AudioDriverALSA : public AudioDriver {
Thread thread;
Mutex mutex;
snd_pcm_t *pcm_handle;
String device_name;
String new_device;
Vector<int32_t> samples_in;
Vector<int16_t> samples_out;
Error init_device();
void finish_device();
static void thread_func(void *p_udata);
unsigned int mix_rate;
SpeakerMode speaker_mode;
snd_pcm_uframes_t buffer_frames;
snd_pcm_uframes_t buffer_size;
snd_pcm_uframes_t period_size;
int channels;
SafeFlag active;
SafeFlag exit_thread;
public:
const char *get_name() const {
return "ALSA";
};
virtual Error init();
virtual void start();
virtual int get_mix_rate() const;
virtual SpeakerMode get_speaker_mode() const;
virtual Array get_device_list();
virtual String get_device();
virtual void set_device(String device);
virtual void lock();
virtual void unlock();
virtual void finish();
AudioDriverALSA();
~AudioDriverALSA();
};
#endif // ALSA_ENABLED
#endif // AUDIO_DRIVER_ALSA_H