RetroArch/audio/drivers/nullaudio.c

93 lines
1.9 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "../audio_driver.h"
#include "../../verbosity.h"
static void *null_audio_init(const char *device, unsigned rate, unsigned latency)
{
RARCH_ERR("Using the null audio driver. RetroArch will be silent.");
(void)device;
(void)rate;
(void)latency;
return (void*)-1;
}
static void null_audio_free(void *data)
{
(void)data;
}
static ssize_t null_audio_write(void *data, const void *buf, size_t size)
{
(void)data;
(void)buf;
return size;
}
static bool null_audio_stop(void *data)
{
(void)data;
return true;
}
static bool null_audio_alive(void *data)
{
(void)data;
return true;
}
static bool null_audio_start(void *data)
{
(void)data;
return true;
}
static void null_audio_set_nonblock_state(void *data, bool state)
{
(void)data;
(void)state;
}
static bool null_audio_use_float(void *data)
{
(void)data;
return true;
}
static size_t null_audio_write_avail(void *data)
{
(void)data;
return 0;
}
audio_driver_t audio_null = {
null_audio_init,
null_audio_write,
null_audio_stop,
null_audio_start,
null_audio_alive,
null_audio_set_nonblock_state,
null_audio_free,
null_audio_use_float,
"null",
NULL,
NULL,
null_audio_write_avail,
NULL
};