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https://github.com/libretro/RetroArch.git
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e7f182811a
* Split up audio code into new file audio/audio_driver.c * Fix build issues #1 * Small cleanup * Fix typo
112 lines
3 KiB
C
112 lines
3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2015 - Michael Lelli
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <boolean.h>
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#include "../audio_driver.h"
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/* forward declarations */
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unsigned RWebAudioSampleRate(void);
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void *RWebAudioInit(unsigned latency);
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ssize_t RWebAudioWrite(const void *buf, size_t size);
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bool RWebAudioStop(void);
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bool RWebAudioStart(void);
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void RWebAudioSetNonblockState(bool state);
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void RWebAudioFree(void);
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size_t RWebAudioWriteAvail(void);
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size_t RWebAudioBufferSize(void);
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typedef struct rweb_audio
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{
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bool is_paused;
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} rweb_audio_t;
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static void rwebaudio_free(void *data)
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{
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RWebAudioFree();
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free(data);
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}
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static void *rwebaudio_init(const char *device, unsigned rate, unsigned latency,
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unsigned block_frames,
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unsigned *new_rate)
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{
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rweb_audio_t *rwebaudio = (rweb_audio_t*)calloc(1, sizeof(rweb_audio_t));
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if (!rwebaudio)
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return NULL;
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if (RWebAudioInit(latency))
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*new_rate = RWebAudioSampleRate();
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return rwebaudio;
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}
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static ssize_t rwebaudio_write(void *data, const void *buf, size_t size)
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{
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return RWebAudioWrite(buf, size);
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}
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static bool rwebaudio_stop(void *data)
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{
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rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
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if (!rwebaudio)
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return false;
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rwebaudio->is_paused = true;
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return RWebAudioStop();
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}
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static void rwebaudio_set_nonblock_state(void *data, bool state)
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{
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RWebAudioSetNonblockState(state);
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}
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static bool rwebaudio_alive(void *data)
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{
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rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
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if (!rwebaudio)
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return false;
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return !rwebaudio->is_paused;
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}
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static bool rwebaudio_start(void *data, bool is_shutdown)
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{
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rweb_audio_t *rwebaudio = (rweb_audio_t*)data;
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if (!rwebaudio)
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return false;
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rwebaudio->is_paused = false;
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return RWebAudioStart();
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}
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static size_t rwebaudio_write_avail(void *data) {return RWebAudioWriteAvail();}
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static size_t rwebaudio_buffer_size(void *data) {return RWebAudioBufferSize();}
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static bool rwebaudio_use_float(void *data) { return true; }
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audio_driver_t audio_rwebaudio = {
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rwebaudio_init,
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rwebaudio_write,
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rwebaudio_stop,
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rwebaudio_start,
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rwebaudio_alive,
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rwebaudio_set_nonblock_state,
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rwebaudio_free,
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rwebaudio_use_float,
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"rwebaudio",
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NULL,
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NULL,
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rwebaudio_write_avail,
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rwebaudio_buffer_size,
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};
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