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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* This program 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 Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include "config.h"
#include "rmd_cache_audio.h"
#include "rmd_jack.h"
#include "rmd_threads.h"
#include "rmd_types.h"
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
void *rmdCacheAudioBuffer(ProgData *pdata) {
size_t write_size = pdata->periodsize * pdata->sound_framesize;
#ifdef HAVE_LIBJACK
void *jackbuf = NULL;
if (pdata->args.use_jack) {
write_size = pdata->sound_framesize * pdata->jdata->buffersize;
jackbuf = malloc(pdata->sound_framesize * pdata->jdata->buffersize);
}
#endif
rmdThreadsSetName("rmdCacheAudio");
//We are simply going to throw sound on the disk.
//It's sound is tiny compared to that of image, so
//compressing would reducethe overall size by only an
//insignificant fraction.
while (pdata->running) {
SndBuffer *buff = NULL;
pthread_mutex_lock(&pdata->pause_mutex);
while (pdata->paused)
pthread_cond_wait(&pdata->pause_cond, &pdata->pause_mutex);
pthread_mutex_unlock(&pdata->pause_mutex);
if (!pdata->args.use_jack) {
pthread_mutex_lock(&pdata->sound_buffer_mutex);
while (!pdata->sound_buffer && pdata->running)
pthread_cond_wait(&pdata->sound_data_read, &pdata->sound_buffer_mutex);
buff = pdata->sound_buffer;
if (buff)
pdata->sound_buffer = buff->next;
pthread_mutex_unlock(&pdata->sound_buffer_mutex);
if (!pdata->running)
break;
fwrite(buff->data, 1, write_size, pdata->cache_data->afp);
free(buff->data);
free(buff);
} else {
#ifdef HAVE_LIBJACK
pthread_mutex_lock(&pdata->sound_buffer_mutex);
while ( pdata->running &&
jack_ringbuffer_read_space(pdata->jdata->sound_buffer) < write_size)
pthread_cond_wait(&pdata->sound_data_read, &pdata->sound_buffer_mutex);
if (pdata->running)
jack_ringbuffer_read(pdata->jdata->sound_buffer, jackbuf, write_size);
pthread_mutex_unlock(&pdata->sound_buffer_mutex);
if (!pdata->running)
break;
fwrite(jackbuf, 1, write_size, pdata->cache_data->afp);
#endif
}
}
fclose(pdata->cache_data->afp);
pthread_exit(&errno);
}
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