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PCM: Introduce snd_pcm_chmap_t and snd_pcm_chmap_query_t

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Instead of passing ambiguous integer array, define snd_pcm_chmap_t and
snd_pcm_chmap_query_t so that user can understand more easily which
element is for what.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-09-04 17:26:43 +02:00
parent 48c2c90f19
commit 9c1a0ce72d
15 changed files with 102 additions and 84 deletions
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10
src/pcm/pcm_route.c
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@ -703,10 +703,10 @@ snd_pcm_route_read_areas(snd_pcm_t *pcm,
return size;
}
static int *snd_pcm_route_get_chmap(snd_pcm_t *pcm)
static snd_pcm_chmap_t *snd_pcm_route_get_chmap(snd_pcm_t *pcm)
{
snd_pcm_route_t *route = pcm->private_data;
int *map, *slave_map;
snd_pcm_chmap_t *map, *slave_map;
unsigned int src, dst;
slave_map = snd_pcm_generic_get_chmap(pcm);
@ -717,13 +717,13 @@ static int *snd_pcm_route_get_chmap(snd_pcm_t *pcm)
free(slave_map);
return NULL;
}
*map = route->schannels;
map->channels = route->schannels;
for (dst = 0; dst < route->params.ndsts; dst++) {
snd_pcm_route_ttable_dst_t *d = &route->params.dsts[dst];
for (src = 0; src < d->nsrcs; src++) {
int c = d->srcs[src].channel;
if (c < route->schannels && !map[c + 1])
map[c + 1] = slave_map[dst + 1];
if (c < route->schannels && !map->pos[c])
map->pos[c] = slave_map->pos[dst];
}
}
free(slave_map);