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sink: Add a set_formats() API

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This adds API to let external sources specify what formats a sink
supports. Sinks must opt-in to allow this, and can perform some
validation if required.
This commit is contained in:
Arun Raghavan 2011-08-12 16:34:28 +05:30
parent b430407f47
commit 485d4dd542
2 changed files with 23 additions and 0 deletions
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16
src/pulsecore/sink.c
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@ -180,6 +180,7 @@ static void reset_callbacks(pa_sink *s) {
s->update_requested_latency = NULL;
s->set_port = NULL;
s->get_formats = NULL;
s->set_formats = NULL;
}
/* Called from main context */
@ -3428,6 +3429,21 @@ pa_idxset* pa_sink_get_formats(pa_sink *s) {
return ret;
}
/* Called from the main thread */
/* Allows an external source to set what formats a sink supports if the sink
* permits this. The function makes a copy of the formats on success. */
pa_bool_t pa_sink_set_formats(pa_sink *s, pa_idxset *formats) {
pa_assert(s);
pa_assert(formats);
if (s->set_formats)
/* Sink supports setting formats -- let's give it a shot */
return s->set_formats(s, formats);
else
/* Sink doesn't support setting this -- bail out */
return FALSE;
}
/* Called from the main thread */
/* Checks if the sink can accept this format */
pa_bool_t pa_sink_check_format(pa_sink *s, pa_format_info *f)