blob: 06d9c014ffa9b9edb498493bde9a08262af2f46e [file] [log] [blame]
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Daniel Stenberg <daniel@haxx.se>
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "autoconf.h"
#ifdef ROCKBOX_HAS_SIMSOUND /* play sound in sim enabled */
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include "sound.h"
static bool playing = false;
int sim_sound_init(void)
{
int fd;
int pcmbits;
int rc;
int channels;
int rate;
fd = open("/dev/dsp", O_WRONLY);
if(-1 == fd)
return 1;
pcmbits = 16;
rc = ioctl(fd, SOUND_PCM_WRITE_BITS, &pcmbits);
rc = ioctl(fd, SOUND_PCM_READ_BITS, &pcmbits);
channels = 2; /* Number of channels, 1=mono */
rc = ioctl(fd, SOUND_PCM_WRITE_CHANNELS, &channels);
rc = ioctl(fd, SOUND_PCM_READ_CHANNELS, &channels);
rate = 44100; /* Yeah. sampling rate */
rc = ioctl(fd, SOUND_PCM_WRITE_RATE, &rate);
rc = ioctl(fd, SOUND_PCM_READ_RATE, &rate);
return fd;
}
void sim_sound_play(int soundfd, char *buffer, long len)
{
write(soundfd, buffer, len);
}
void sound_playback_thread(void)
{
int soundfd = sim_sound_init();
unsigned char *buf;
long size;
while(-1 == soundfd)
sleep(100000); /* wait forever, can't play sound! */
do {
while(!sound_get_pcm)
/* TODO: fix a fine thread-synch mechanism here */
usleep(10000);
do {
sound_get_pcm(&buf, &size);
if(!size) {
sound_get_pcm = NULL;
break;
}
sim_sound_play(soundfd, (char *)buf, size);
usleep(10000);
} while(size);
} while(1);
}
/* Stubs for PCM audio playback. */
bool pcm_is_playing(void)
{
return playing;
}
void pcm_mute(bool state)
{
(void)state;
}
void pcm_play_pause(bool state)
{
(void)state;
}
bool pcm_is_paused(void)
{
return false;
}
void pcm_play_stop(void)
{
playing = false;
}
void pcm_init(void)
{
}
void (*sound_get_pcm)(unsigned char** start, long* size);
void pcm_play_data(void (*get_more)(unsigned char** start, long* size))
{
sound_get_pcm = get_more;
playing = true;
}
long pcm_get_bytes_waiting(void)
{
return 0;
}
#endif /* ROCKBOX_HAS_SIMSOUND */