mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-04 13:30:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

More changes for dmix plugin:

Browse source 
- added poll_events to main pcm structure
  - added poll_revents callback to pcm->ops structure
  - fixed snd_pcm_wait() - call revents function and enhanced
    error code reporting
DMIX plugin:
  - more complete code (works at least for one instance)
  - still no "mix" code (it's silent)
This commit is contained in:
Jaroslav Kysela 2003-02-11 18:14:43 +00:00
parent 06cccc6a78
commit af89cefd99
24 changed files with 332 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/pcm/pcm_plug.c
View file

@ -92,6 +92,12 @@ static int snd_pcm_plug_async(snd_pcm_t *pcm, int sig, pid_t pid)
return snd_pcm_async(plug->slave, sig, pid);
}
static int snd_pcm_plug_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
snd_pcm_plug_t *plug = pcm->private_data;
return snd_pcm_poll_descriptors_revents(plug->slave, pfds, nfds, revents);
}
static int snd_pcm_plug_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
{
snd_pcm_plug_t *plug = pcm->private_data;
@ -959,6 +965,7 @@ static snd_pcm_ops_t snd_pcm_plug_ops = {
dump: snd_pcm_plug_dump,
nonblock: snd_pcm_plug_nonblock,
async: snd_pcm_plug_async,
poll_revents: snd_pcm_plug_poll_revents,
mmap: snd_pcm_plug_mmap,
munmap: snd_pcm_plug_munmap,
};
@ -1013,6 +1020,7 @@ int snd_pcm_plug_open(snd_pcm_t **pcmp,
pcm->fast_op_arg = slave->fast_op_arg;
pcm->private_data = plug;
pcm->poll_fd = slave->poll_fd;
pcm->poll_events = slave->poll_events;
snd_pcm_link_hw_ptr(pcm, slave);
snd_pcm_link_appl_ptr(pcm, slave);
*pcmp = pcm;