mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-10-29 05:40:25 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Implement the channel mapping API

Browse source 
Added new channel-mapping API functions.
Not all plugins are covered, especially the route, multi and external
plugins don't work yet.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-07-25 15:05:15 +02:00
parent 1ef1c5cdb4
commit 3c4a22ea49
27 changed files with 386 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/pcm.h
View file

@ -474,6 +474,18 @@ int snd_pcm_wait(snd_pcm_t *pcm, int timeout);
int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
int snd_pcm_unlink(snd_pcm_t *pcm);
enum {
SND_CHMAP_NONE = 0, /** unspecified channel position */
SND_CHMAP_FIXED, /** fixed channel position */
SND_CHMAP_VAR, /** freely swappable channel position */
SND_CHMAP_PAIRED, /** pair-wise swappable channel position */
};
int **snd_pcm_query_chmaps(snd_pcm_t *pcm);
void snd_pcm_free_chmaps(int **maps);
int *snd_pcm_get_chmap(snd_pcm_t *pcm);
int snd_pcm_set_chmap(snd_pcm_t *pcm, const int *map);
//int snd_pcm_mixer_element(snd_pcm_t *pcm, snd_mixer_t *mixer, snd_mixer_elem_t **elem);
/*