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source-output: Ensure no volumes are applied for passthrough streams

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This forces passthrough source-outputs and their corresponding sources
to 0dB gain so that the data is sent unaltered to the receiver.
This commit is contained in:
Arun Raghavan 2011-08-18 12:32:14 +05:30
parent 0dea35a818
commit f0be9c4004
3 changed files with 49 additions and 6 deletions
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7
src/pulsecore/source.h
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@ -98,6 +98,10 @@ struct pa_source {
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;
@ -338,6 +342,9 @@ pa_bool_t pa_source_flat_volume_enabled(pa_source *s);
/* Is the source in passthrough mode? (that is, is this a monitor source for a sink
* that has a passthrough sink input connected to it. */
pa_bool_t pa_source_is_passthrough(pa_source *s);
/* These should be called when a source enters/leaves passthrough mode */
void pa_source_enter_passthrough(pa_source *s);
void pa_source_leave_passthrough(pa_source *s);
void pa_source_set_volume(pa_source *source, const pa_cvolume *volume, pa_bool_t sendmsg, pa_bool_t save);
const pa_cvolume *pa_source_get_volume(pa_source *source, pa_bool_t force_refresh);