Information about a channel map
Synopsis:
#include <sys/asound.h>
typedef struct snd_pcm_chmap {
unsigned int channels;
unsigned int pos[0];
} snd_pcm_chmap_t;
Description:
The snd_pcm_chmap_t structure describes a channel map.
The members include:
- channels
- The number of channels.
- pos
- An array of channel positions.
Each entry is one of the following:
- SND_CHMAP_UNKNOWN — unspecified
- SND_CHMAP_NA — N/A, silent
- SND_CHMAP_MONO — mono stream
- SND_CHMAP_FL — front left
- SND_CHMAP_FR — front right
- SND_CHMAP_RL — rear left
- SND_CHMAP_RR — rear right
- SND_CHMAP_FC — front center
- SND_CHMAP_LFE — low-frequency effects (LFE)
- SND_CHMAP_SL — side left
- SND_CHMAP_SR — side right
- SND_CHMAP_RC — rear center
- SND_CHMAP_FLC — front left center
- SND_CHMAP_FRC — front right center
- SND_CHMAP_RLC — rear left center
- SND_CHMAP_RRC — rear right center
- 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_TFL — top front left
- SND_CHMAP_TFR — top front right
- SND_CHMAP_TFC — top front center
- SND_CHMAP_TRL — top rear left
- SND_CHMAP_TRR — top rear right
- SND_CHMAP_TRC — top rear center
- SND_CHMAP_TFLC — top front left center
- SND_CHMAP_TFRC — top front right center
- SND_CHMAP_TSL — top side left
- SND_CHMAP_TSR — top side right
- SND_CHMAP_LLFE — left LFE
- SND_CHMAP_RLFE — right LFE
- SND_CHMAP_BC — bottom center
- SND_CHMAP_BLC — bottom left center
- SND_CHMAP_BRC — bottom right center
Classification:
QNX Neutrino