RetroArch/audio/rwebaudio.c
2014-10-01 21:42:19 +02:00

101 lines
2.3 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Michael Lelli
*
* 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 "../driver.h"
#include "../general.h"
#include "../emscripten/RWebAudio.h"
static bool rwebaudio_is_paused;
static void rwebaudio_free(void *data)
{
RWebAudioFree();
}
static void *rwebaudio_init(const char *device, unsigned rate, unsigned latency)
{
(void)device;
(void)rate;
void *data = RWebAudioInit(latency);
if (data)
g_settings.audio.out_rate = RWebAudioSampleRate();
return data;
}
static ssize_t rwebaudio_write(void *data, const void *buf, size_t size)
{
(void)data;
return RWebAudioWrite(buf, size);
}
static bool rwebaudio_stop(void *data)
{
(void)data;
rwebaudio_is_paused = true;
return RWebAudioStop();
}
static void rwebaudio_set_nonblock_state(void *data, bool state)
{
(void)data;
RWebAudioSetNonblockState(state);
}
static bool rwebaudio_alive(void *data)
{
(void)data;
return !rwebaudio_is_paused;
}
static bool rwebaudio_start(void *data)
{
(void)data;
rwebaudio_is_paused = false;
return RWebAudioStart();
}
static bool rwebaudio_use_float(void *data)
{
(void)data;
return true;
}
static size_t rwebaudio_write_avail(void *data)
{
(void)data;
return RWebAudioWriteAvail();
}
static size_t rwebaudio_buffer_size(void *data)
{
(void)data;
return RWebAudioBufferSize();
}
audio_driver_t audio_rwebaudio = {
rwebaudio_init,
rwebaudio_write,
rwebaudio_stop,
rwebaudio_start,
rwebaudio_alive,
rwebaudio_set_nonblock_state,
rwebaudio_free,
rwebaudio_use_float,
"rwebaudio",
rwebaudio_write_avail,
rwebaudio_buffer_size,
};