/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see .
*/
#ifndef __AUDIO_DRIVER__H
#define __AUDIO_DRIVER__H
#include
#include
#include
#include
#include "audio_dsp_filter.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct audio_driver
{
/* Creates and initializes handle to audio driver.
*
* Returns: audio driver handle on success, otherwise NULL.
**/
void *(*init)(const char *device, unsigned rate, unsigned latency);
/*
* @data : Pointer to audio data handle.
* @buf : Audio buffer data.
* @size : Size of audio buffer.
*
* Write samples to audio driver.
**/
ssize_t (*write)(void *data, const void *buf, size_t size);
/* Stops driver. */
bool (*stop)(void *data);
/* Starts driver. */
bool (*start)(void *data);
/* Is the audio driver currently running? */
bool (*alive)(void *data);
/* Should we care about blocking in audio thread? Fast forwarding. */
void (*set_nonblock_state)(void *data, bool toggle);
/* Frees driver data. */
void (*free)(void *data);
/* Defines if driver will take standard floating point samples,
* or int16_t samples. */
bool (*use_float)(void *data);
/* Human-readable identifier. */
const char *ident;
/* Optional. */
size_t (*write_avail)(void *data);
size_t (*buffer_size)(void *data);
} audio_driver_t;
extern audio_driver_t audio_rsound;
extern audio_driver_t audio_oss;
extern audio_driver_t audio_alsa;
extern audio_driver_t audio_alsathread;
extern audio_driver_t audio_roar;
extern audio_driver_t audio_openal;
extern audio_driver_t audio_opensl;
extern audio_driver_t audio_jack;
extern audio_driver_t audio_sdl;
extern audio_driver_t audio_xa;
extern audio_driver_t audio_pulse;
extern audio_driver_t audio_dsound;
extern audio_driver_t audio_coreaudio;
extern audio_driver_t audio_xenon360;
extern audio_driver_t audio_ps3;
extern audio_driver_t audio_gx;
extern audio_driver_t audio_psp1;
extern audio_driver_t audio_ctr;
extern audio_driver_t audio_rwebaudio;
extern audio_driver_t audio_null;
/**
* audio_driver_find_handle:
* @index : index of driver to get handle to.
*
* Returns: handle to audio driver at index. Can be NULL
* if nothing found.
**/
const void *audio_driver_find_handle(int index);
/**
* audio_driver_find_ident:
* @index : index of driver to get handle to.
*
* Returns: Human-readable identifier of audio driver at index. Can be NULL
* if nothing found.
**/
const char *audio_driver_find_ident(int index);
bool audio_driver_mute_toggle(void);
/*
* audio_driver_readjust_input_rate:
*
* Readjust the audio input rate.
*/
void audio_driver_readjust_input_rate(void);
bool audio_driver_alive(void);
bool audio_driver_start(void);
bool audio_driver_stop(void);
void audio_driver_set_nonblock_state(bool toggle);
/**
* config_get_audio_driver_options:
*
* Get an enumerated list of all audio driver names, separated by '|'.
*
* Returns: string listing of all audio driver names, separated by '|'.
**/
const char* config_get_audio_driver_options(void);
void find_audio_driver(void);
void uninit_audio(void);
void init_audio(void);
ssize_t audio_driver_write(const void *buf, size_t size);
#ifdef __cplusplus
}
#endif
#endif