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sink-input: Ensure no volumes are applied for passthrough streams

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This forces passthrough sink-inputs and their corresponding sinks to 0dB
gain so that the data is sent unaltered to the receiver.
This commit is contained in:
Arun Raghavan 2011-08-18 11:51:12 +05:30
parent b08237b6c6
commit 0dea35a818
3 changed files with 56 additions and 21 deletions
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7
src/pulsecore/sink.h
View file

@ -110,6 +110,10 @@ struct pa_sink {
pa_bool_t save_volume:1;
pa_bool_t save_muted:1;
/* Saved volume state while we're in passthrough mode */
pa_cvolume saved_volume;
pa_bool_t saved_save_volume:1;
pa_asyncmsgq *asyncmsgq;
pa_memchunk silence;
@ -418,6 +422,9 @@ pa_bool_t pa_sink_flat_volume_enabled(pa_sink *s);
/* Is the sink in passthrough mode? (that is, is there a passthrough sink input
* connected to this sink? */
pa_bool_t pa_sink_is_passthrough(pa_sink *s);
/* These should be called when a sink enters/leaves passthrough mode */
void pa_sink_enter_passthrough(pa_sink *s);
void pa_sink_leave_passthrough(pa_sink *s);
void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume, pa_bool_t sendmsg, pa_bool_t save);
const pa_cvolume *pa_sink_get_volume(pa_sink *sink, pa_bool_t force_refresh);