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audio: use unknown channel layouts if there is no standard layout 

This is just a conceptual issue, since for now every channel count has
an associated standard layout.

But should the max. channel count ever be bumped, some things would stop
function if mp_chmap_from_channels() refused to work for any channel
count within the allowed range.
This commit is contained in:
wm4 2015-06-12 17:45:56 +02:00
parent 11fee81a7a
commit c890eeac47
1 changed files with 5 additions and 5 deletions
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10
audio/chmap.c
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@ -97,7 +97,7 @@ static const char *const std_layout_names[][2] = {
{0}
};
static const struct mp_chmap default_layouts[MP_NUM_CHANNELS + 1] = {
static const struct mp_chmap default_layouts[] = {
{0}, // empty
MP_CHMAP_INIT_MONO, // mono
MP_CHMAP2(FL, FR), // stereo
@ -217,11 +217,11 @@ void mp_chmap_fill_na(struct mp_chmap *map, int num)
// mp_chmap_is_valid(dst) will return false.
void mp_chmap_from_channels(struct mp_chmap *dst, int num_channels)
{
if (num_channels < 0 || num_channels > MP_NUM_CHANNELS) {
*dst = (struct mp_chmap) {0};
} else {
*dst = (struct mp_chmap) {0};
if (num_channels >= 0 && num_channels < MP_ARRAY_SIZE(default_layouts))
*dst = default_layouts[num_channels];
}
if (!dst->num)
mp_chmap_set_unknown(dst, num_channels);
}
// Try to do what mplayer/mplayer2/mpv did before channel layouts were