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Define channel map position enum in pcm.h

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The original definition is in sound/asound.h, but we need to export to
alsa-lib users, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-08-21 12:16:39 +02:00
parent 34f6545520
commit 915b26bfe8
1 changed files with 27 additions and 1 deletions
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28
include/pcm.h
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@ -474,13 +474,39 @@ 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 {
/** channel map list type */
enum snd_pcm_chmap_type {
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 */
};
/** channel positions */
enum snd_pcm_chmap_position {
SND_CHMAP_UNKNOWN = 0, /** unspecified */
SND_CHMAP_FL, /** front left */
SND_CHMAP_FC, /** front center */
SND_CHMAP_FR, /** front right */
SND_CHMAP_FLC, /** front left center */
SND_CHMAP_FRC, /* front right center */
SND_CHMAP_RL, /** rear left */
SND_CHMAP_RC, /** rear center */
SND_CHMAP_RR, /** rear right */
SND_CHMAP_RLC, /** rear left center */
SND_CHMAP_RRC, /** rear right center */
SND_CHMAP_SL, /** side left */
SND_CHMAP_SR, /** side right */
SND_CHMAP_LFE, /** LFE */
SND_CHMAP_FLW, /** front left wide */
SND_CHMAP_FRW, /** front right wide */
SND_CHMAP_FLH, /** front left high */
SND_CHMAP_FCH, /** front center high */
SND_CHMAP_FRH, /** front right high */
SND_CHMAP_TC, /** top center */
SND_CHMAP_LAST = SND_CHMAP_TC, /** last entry */
};
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);