snd_pcm_chmap_query

Entry in an array of channel maps

Synopsis:

#include <sys/asound.h>

typedef struct snd_pcm_chmap_query {
        enum snd_pcm_chmap_type type;
        snd_pcm_chmap_t map;
} snd_pcm_chmap_query_t;

Description:

The snd_pcm_chmap_query_t structure describes a channel map. It's used as the entries in an array returned by snd_pcm_query_chmaps(). The members include:

type

The type of the channel map; one of the following:

SND_CHMAP_TYPE_NONE — unspecified channel position
SND_CHMAP_TYPE_FIXED — fixed channel position
SND_CHMAP_TYPE_VAR — freely swappable channel position
SND_CHMAP_TYPE_PAIRED — pair-wise swappable channel position

map

A pointer to a snd_pcm_chmap_t structure that describes the channel map.

Classification:

QNX Neutrino