mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-12-29 11:08:38 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Removed old sync support. Introduced linked streams

Browse source
This commit is contained in:
Abramo Bagnara 2000-07-24 08:19:34 +00:00
parent bd532fd398
commit 59c6c40f5c
4 changed files with 65 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

50
src/pcm/pcm_multi.c
View file

@ -67,7 +67,8 @@ static int snd_pcm_multi_close(void *private)
err = snd_pcm_close(slave->handle);
if (err < 0)
ret = err;
}
} else
snd_pcm_unlink(slave->handle);
if (slave->buf) {
free(slave->buf);
free(slave->areas);
@ -285,66 +286,31 @@ static ssize_t snd_pcm_multi_frame_io(void *private, int update)
static int snd_pcm_multi_prepare(void *private)
{
snd_pcm_multi_t *multi = (snd_pcm_multi_t*) private;
unsigned int i;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *handle = multi->slaves[i].handle;
int err = snd_pcm_prepare(handle);
if (err < 0)
return err;
}
return 0;
return snd_pcm_prepare(multi->slaves[0].handle);
}
static int snd_pcm_multi_go(void *private)
{
snd_pcm_multi_t *multi = (snd_pcm_multi_t*) private;
unsigned int i;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *handle = multi->slaves[i].handle;
int err = snd_pcm_go(handle);
if (err < 0)
return err;
}
return 0;
return snd_pcm_go(multi->slaves[0].handle);
}
static int snd_pcm_multi_drain(void *private)
{
snd_pcm_multi_t *multi = (snd_pcm_multi_t*) private;
unsigned int i;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *handle = multi->slaves[i].handle;
int err = snd_pcm_drain(handle);
if (err < 0)
return err;
}
return 0;
return snd_pcm_drain(multi->slaves[0].handle);
}
static int snd_pcm_multi_flush(void *private)
{
snd_pcm_multi_t *multi = (snd_pcm_multi_t*) private;
unsigned int i;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *handle = multi->slaves[i].handle;
int err = snd_pcm_flush(handle);
if (err < 0)
return err;
}
return 0;
return snd_pcm_flush(multi->slaves[0].handle);
}
static int snd_pcm_multi_pause(void *private, int enable)
{
snd_pcm_multi_t *multi = (snd_pcm_multi_t*) private;
unsigned int i;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *handle = multi->slaves[i].handle;
int err = snd_pcm_pause(handle, enable);
if (err < 0)
return err;
}
return 0;
return snd_pcm_pause(multi->slaves[0].handle, enable);
}
static int snd_pcm_multi_channel_setup(void *private, snd_pcm_channel_setup_t *setup)
@ -796,6 +762,8 @@ int snd_pcm_multi_create(snd_pcm_t **handlep, size_t slaves_count,
slave->handle = slaves_handle[i];
slave->channels_total = slaves_channels_count[i];
slave->close_slave = close_slaves;
if (i != 0)
snd_pcm_link(slaves_handle[i-1], slaves_handle[i]);
}
for (i = 0; i < binds_count; ++i) {
snd_pcm_multi_bind_t *bind = &multi->binds[i];