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volume: add pa_cvolume_merge() call

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This commit is contained in:
Lennart Poettering 2009-08-17 03:40:36 +02:00
parent 01e4b61a91
commit 8208214882
3 changed files with 24 additions and 0 deletions
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18
src/pulse/volume.c
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@ -815,3 +815,21 @@ pa_volume_t pa_cvolume_get_position(
return v;
}
pa_cvolume* pa_cvolume_merge(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b) {
unsigned i;
pa_assert(dest);
pa_assert(a);
pa_assert(b);
pa_return_val_if_fail(pa_cvolume_valid(a), NULL);
pa_return_val_if_fail(pa_cvolume_valid(b), NULL);
for (i = 0; i < a->channels && i < b->channels; i++)
dest->values[i] = PA_MAX(a->values[i], b->values[i]);
dest->channels = (uint8_t) i;
return dest;
}