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Added support for async. Added error callback (and begun to use it). First implementation of pcm_share

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This commit is contained in:
Abramo Bagnara 2000-10-11 12:37:27 +00:00
parent d07934a537
commit dcc88ffaa7
20 changed files with 1363 additions and 32 deletions
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20
src/pcm/pcm.c
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@ -23,6 +23,7 @@
#include <string.h>
#include <malloc.h>
#include <errno.h>
#include <stdarg.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <dlfcn.h>
@ -83,7 +84,7 @@ int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock)
{
int err;
assert(pcm);
if ((err = pcm->ops->nonblock(pcm->fast_op_arg, nonblock)) < 0)
if ((err = pcm->ops->nonblock(pcm->op_arg, nonblock)) < 0)
return err;
if (nonblock)
pcm->mode |= SND_PCM_NONBLOCK;
@ -92,6 +93,12 @@ int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock)
return 0;
}
int snd_pcm_async(snd_pcm_t *pcm, int sig, pid_t pid)
{
assert(pcm);
return pcm->ops->async(pcm->op_arg, sig, pid);
}
int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
{
assert(pcm && info);
@ -1037,3 +1044,14 @@ ssize_t snd_pcm_write_areas(snd_pcm_t *pcm, snd_pcm_channel_area_t *areas,
return err;
}
void snd_pcm_error_default(const char *file, int line, const char *function, const char *fmt, ...)
{
va_list arg;
va_start(arg, fmt);
fprintf(stderr, "ALSA PCM lib %s:%i:(%s) ", file, line, function);
vfprintf(stderr, fmt, arg);
putc('\n', stderr);
va_end(arg);
}
void (*snd_pcm_error)(const char *file, int line, const char *function, const char *fmt, ...) = snd_pcm_error_default;