core: always allow volume setting with single-channel pa_cvolume

This commit is contained in:
Lennart Poettering 2009-08-31 21:40:59 +02:00
parent e1ce365cd9
commit 2970c11902
4 changed files with 33 additions and 10 deletions

View file

@ -941,12 +941,22 @@ void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_boo
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
pa_assert(volume);
pa_assert(pa_cvolume_valid(volume));
pa_assert(pa_cvolume_compatible(volume, &i->sample_spec));
pa_assert(volume->channels == 1 || pa_cvolume_compatible(volume, &i->sample_spec));
if ((i->sink->flags & PA_SINK_FLAT_VOLUME) && !absolute) {
v = i->sink->reference_volume;
pa_cvolume_remap(&v, &i->sink->channel_map, &i->channel_map);
volume = pa_sw_cvolume_multiply(&v, &v, volume);
if (pa_cvolume_compatible(volume, &i->sample_spec))
volume = pa_sw_cvolume_multiply(&v, &v, volume);
else
volume = pa_sw_cvolume_multiply_scalar(&v, &v, pa_cvolume_max(volume));
} else {
if (!pa_cvolume_compatible(volume, &i->sample_spec)) {
v = i->volume;
volume = pa_cvolume_scale(&v, pa_cvolume_max(volume));
}
}
if (pa_cvolume_equal(volume, &i->volume)) {