diff options
Diffstat (limited to 'include/pcm.h')
| -rw-r--r-- | include/pcm.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/pcm.h b/include/pcm.h index ee89a7ea..ba72a497 100644 --- a/include/pcm.h +++ b/include/pcm.h @@ -512,10 +512,23 @@ enum snd_pcm_chmap_position { #define SND_CHMAP_PHASE_INVERSE (0x01 << 16) /* the channel is phase inverted */ #define SND_CHMAP_DRIVER_SPEC (0x02 << 16) /* non-standard channel value */ -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); +/** the channel map header */ +typedef struct snd_pcm_chmap { + unsigned int channels; + unsigned int pos[0]; +} snd_pcm_chmap_t; + +/** the header of array items returned from snd_pcm_query_chmaps() */ +typedef struct snd_pcm_chmap_query { + enum snd_pcm_chmap_type type; + snd_pcm_chmap_t map; +} snd_pcm_chmap_query_t; + + +snd_pcm_chmap_query_t **snd_pcm_query_chmaps(snd_pcm_t *pcm); +void snd_pcm_free_chmaps(snd_pcm_chmap_query_t **maps); +snd_pcm_chmap_t *snd_pcm_get_chmap(snd_pcm_t *pcm); +int snd_pcm_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map); //int snd_pcm_mixer_element(snd_pcm_t *pcm, snd_mixer_t *mixer, snd_mixer_elem_t **elem); |