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Implement the channel mapping API

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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
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25
include/sound/asound.h
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@ -477,6 +477,31 @@ enum {
SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC,
};
/* channel positions */
enum {
SNDRV_CHMAP_UNKNOWN = 0,
SNDRV_CHMAP_FL, /* front left */
SNDRV_CHMAP_FC, /* front center */
SNDRV_CHMAP_FR, /* front right */
SNDRV_CHMAP_FLC, /* front left center */
SNDRV_CHMAP_FRC, /* front right center */
SNDRV_CHMAP_RL, /* rear left */
SNDRV_CHMAP_RC, /* rear center */
SNDRV_CHMAP_RR, /* rear right */
SNDRV_CHMAP_RLC, /* rear left center */
SNDRV_CHMAP_RRC, /* rear right center */
SNDRV_CHMAP_SL, /* side left */
SNDRV_CHMAP_SR, /* side right */
SNDRV_CHMAP_LFE, /* LFE */
SNDRV_CHMAP_FLW, /* front left wide */
SNDRV_CHMAP_FRW, /* front right wide */
SNDRV_CHMAP_FLH, /* front left high */
SNDRV_CHMAP_FCH, /* front center high */
SNDRV_CHMAP_FRH, /* front right high */
SNDRV_CHMAP_TC, /* top center */
SNDRV_CHMAP_LAST = SNDRV_CHMAP_TC,
};
enum {
SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),
SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct sndrv_pcm_info),