#ifndef _AUDIO_H_
#define _AUDIO_H_

#include <opus/opus.h>
#include <portaudio.h>

#define AUDIO_SAMPLE_FORMAT paFloat32
typedef float audio_sample_t;

int audio_init_soundsystem(void);
int audio_terminate_soundsystem(void);

typedef struct audio_t {
    PaStream    *stream_in, *stream_out;
    OpusEncoder *opus_enc;
    OpusDecoder *opus_dec;

    audio_sample_t *buffer;
    int             buffer_size;
} audio_t;

int audio_init_default(audio_t *aud, int channels, int sample_rate, int frame_size);
int audio_destroy(audio_t *aud);

int audio_stream_input_toggle(audio_t *aud);
int audio_stream_output_toggle(audio_t *aud);

int audio_read(audio_t *aud, unsigned char *output, int output_len);
int audio_write(audio_t *aud, const unsigned char *input, int input_len);

#endif /* _AUDIO_H_ */