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authorTakashi Iwai <tiwai@suse.de>2012-08-21 12:16:39 +0200
committerTakashi Iwai <tiwai@suse.de>2012-09-11 11:34:50 +0200
commit915b26bfe8af876d467a37c336c6bf22d5e370fe (patch)
treead7ae6e869c90bfb4815c333aea36a5b26881c8e
parent34f6545520de73be55ee6c29a7ebd3c016fa9f06 (diff)
downloadalsa-lib-915b26bfe8af876d467a37c336c6bf22d5e370fe.tar.gz
Define channel map position enum in pcm.h
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>
-rw-r--r--include/pcm.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/include/pcm.h b/include/pcm.h
index c47717b8..42bc4e3f 100644
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -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);