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source: move streams to new appeared sources if they prefer these sources

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When a new source appears, all streams that have their
preferred_source set to the new source should be moved to the new
source.

Signed-off-by: Hui Wang <hui.wang@canonical.com>
This commit is contained in:
Hui Wang 2019-12-07 11:36:25 +08:00 • committed by Tanu Kaskinen
parent c254f8405c
commit 1cea7ab38d
4 changed files with 45 additions and 65 deletions
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35
src/pulsecore/core.c
View file

@ -559,6 +559,41 @@ void pa_core_move_streams_to_newly_available_preferred_sink(pa_core *c, pa_sink
}
void pa_core_move_streams_to_newly_available_preferred_source(pa_core *c, pa_source *s) {
pa_source_output *so;
uint32_t idx;
pa_assert(c);
pa_assert(s);
PA_IDXSET_FOREACH(so, c->source_outputs, idx) {
if (so->source == s)
continue;
if (so->direct_on_input)
continue;
if (!so->source)
continue;
/* Skip this source output if it is connecting a filter source to
* the master */
if (so->destination_source)
continue;
/* It might happen that a stream and a source are set up at the
same time, in which case we want to make sure we don't
interfere with that */
if (!PA_SOURCE_OUTPUT_IS_LINKED(so->state))
continue;
if (pa_safe_streq(so->preferred_source, s->name))
pa_source_output_move_to(so, s, false);
}
}
/* Helper macro to reduce repetition in pa_suspend_cause_to_string().
* Parameters:
* char *p: the current position in the write buffer