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

PCM: Use compounds for overriding / enhancing chmaps

Browse source 
Instead of a single channel map, multiple channel maps can be provided
in a form of compound (array) to hw and null plugins.  In null
get_chmap, the channel map corresponding to the current channels is
copied from the given channel maps.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-09-12 17:13:22 +02:00
parent 5ba11d69da
commit ec7acfc408
7 changed files with 144 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/pcm/pcm_local.h
View file

@ -975,6 +975,12 @@ static inline void gettimestamp(snd_htimestamp_t *tstamp, int monotonic)
}
snd_pcm_chmap_query_t **
_snd_pcm_make_single_query_chmaps(snd_pcm_chmap_t *src);
snd_pcm_chmap_t *_snd_pcm_copy_chmap(snd_pcm_chmap_t *src);
_snd_pcm_make_single_query_chmaps(const snd_pcm_chmap_t *src);
snd_pcm_chmap_t *_snd_pcm_copy_chmap(const snd_pcm_chmap_t *src);
snd_pcm_chmap_query_t **
_snd_pcm_copy_chmap_query(snd_pcm_chmap_query_t * const *src);
snd_pcm_chmap_query_t **
_snd_pcm_parse_config_chmaps(snd_config_t *conf);
snd_pcm_chmap_t *
_snd_pcm_choose_fixed_chmap(snd_pcm_t *pcm, snd_pcm_chmap_query_t * const *maps);