ref/audio_8h_source.html

#ifndef __LIBDRAGON_AUDIO_H

#define __LIBDRAGON_AUDIO_H


#include <stdbool.h>

#include <stddef.h>


#ifdef __cplusplus

extern "C" {

#endif


typedef void(*audio_fill_buffer_callback)(short *buffer, size_t numsamples);


void audio_init(const int frequency, int numbuffers);

void audio_set_buffer_callback(audio_fill_buffer_callback fill_buffer_callback);

void audio_pause(bool pause);

volatile int audio_can_write();

void audio_write_silence();

void audio_close();

int audio_get_frequency();

int audio_get_buffer_length();


short* audio_write_begin(void);

void audio_write_end(void);

int audio_push(const short *buffer, int nsamples, bool blocking);


__attribute__((deprecated("use audio_write_begin or audio_push instead")))

void audio_write(const short * const buffer);


#ifdef __cplusplus

}

#endif


#endif

audio_fill_buffer_callback
void(* audio_fill_buffer_callback)(short *buffer, size_t numsamples)
Will be called periodically when more sample data is needed.
Definition: audio.h:26

audio_get_buffer_length
int audio_get_buffer_length()
Get the number of stereo samples that fit into an allocated buffer.
Definition: audio.c:638

audio_set_buffer_callback
void audio_set_buffer_callback(audio_fill_buffer_callback fill_buffer_callback)
Install a audio callback to fill the audio buffer when required.
Definition: audio.c:324

audio_get_frequency
int audio_get_frequency()
Return actual frequency of audio playback.
Definition: audio.c:625

audio_can_write
volatile int audio_can_write()
Return whether there is an empty buffer to write to.
Definition: audio.c:552

audio_write_begin
short * audio_write_begin(void)
Start writing to the first free internal buffer.
Definition: audio.c:466

audio_init
void audio_init(const int frequency, int numbuffers)
Initialize the audio subsystem.
Definition: audio.c:226

audio_pause
void audio_pause(bool pause)
Pause or resume audio playback.
Definition: audio.c:385

audio_write
void audio_write(const short *const buffer)
Write a chunk of audio data.
Definition: audio.c:419

audio_push
int audio_push(const short *buffer, int nsamples, bool blocking)
Push a chunk of audio data (high-level function)
Definition: audio.c:590

audio_write_end
void audio_write_end(void)
Complete writing to an internal buffer.
Definition: audio.c:500

audio_write_silence
void audio_write_silence()
Write a chunk of silence.
Definition: audio.c:518

audio_close
void audio_close()
Close the audio subsystem.
Definition: audio.c:340