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rename oss.[ch] to oss-util.[ch]

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@34 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-06-23 23:40:39 +00:00
parent b9e0fa84f3
commit c050d7254c
2 changed files with 0 additions and 0 deletions
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48
src/oss.c
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@ -1,48 +0,0 @@
#include <assert.h>
#include <sys/soundcard.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "oss.h"
int oss_auto_format(int fd, struct pa_sample_spec *ss) {
int format, channels, speed;
assert(fd >= 0 && ss);
format = AFMT_S16_NE;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != AFMT_S16_NE) {
int f = AFMT_S16_NE == AFMT_S16_LE ? AFMT_S16_BE : AFMT_S16_LE;
format = f;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != f) {
format = AFMT_U8;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != AFMT_U8) {
fprintf(stderr, "SNDCTL_DSP_SETFMT: %s\n", format != AFMT_U8 ? "No supported sample format" : strerror(errno));
return -1;
} else
ss->format = SAMPLE_U8;
} else
ss->format = f == AFMT_S16_LE ? SAMPLE_S16LE : SAMPLE_S16BE;
} else
ss->format = SAMPLE_S16NE;
channels = 2;
if (ioctl(fd, SNDCTL_DSP_CHANNELS, &channels) < 0) {
fprintf(stderr, "SNDCTL_DSP_CHANNELS: %s\n", strerror(errno));
return -1;
}
assert(channels);
ss->channels = channels;
speed = 44100;
if (ioctl(fd, SNDCTL_DSP_SPEED, &speed) < 0) {
fprintf(stderr, "SNDCTL_DSP_SPEED: %s\n", strerror(errno));
return -1;
}
assert(speed);
ss->rate = speed;
return 0;
}