mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-31 22:25:35 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add protocl version check

Browse source 
- Added protocl version check.  The caller of snd_pcm_{io|ext}plug_create()
  must fill version field with SND_PCM_{IO|EXT}PLUG_VERSION beforehand.

- Added poll_descriptors and poll_descriptors_count callbacks for ioplug.
This commit is contained in:
Takashi Iwai 2005-05-18 10:47:52 +00:00
parent 97010dbfdb
commit e61d385993
4 changed files with 80 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/pcm/pcm_extplug.c
View file

@ -423,6 +423,8 @@ static snd_pcm_ops_t snd_pcm_extplug_ops = {
.dump = snd_pcm_extplug_dump,
.nonblock = snd_pcm_generic_nonblock,
.async = snd_pcm_generic_async,
.poll_descriptors_count = snd_pcm_generic_poll_descriptors_count,
.poll_descriptors = snd_pcm_generic_poll_descriptors,
.poll_revents = snd_pcm_generic_poll_revents,
.mmap = snd_pcm_generic_mmap,
.munmap = snd_pcm_generic_munmap,
@ -478,6 +480,11 @@ int snd_pcm_extplug_create(snd_pcm_extplug_t *extplug, const char *name,
assert(extplug->callback->transfer);
assert(slave_conf);
if (extplug->version != SND_PCM_EXTPLUG_VERSION) {
SNDERR("extplug: Plugin version mismatch\n");
return -ENXIO;
}
err = snd_pcm_slave_conf(root, slave_conf, &sconf, 0);
if (err < 0)
return err;