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core: Suspend monitor when a sink enters passthrough mode

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In most cases it is expected that clients cannot consume compressed
data from monitor sources, so we suspend the monitor source when the
sink goes into passthrough mode.

Eventually, when the extended API includes client notifications for
changed formats, we should emit a notification on the monitor so that
clients can decide what they want to do when this happens (disconnect or
consume the data anyway).
This commit is contained in:
Arun Raghavan 2011-03-03 19:02:45 +05:30
parent 4c9d53f3f5
commit f94bcae6bd
3 changed files with 18 additions and 1 deletions
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16
src/pulsecore/sink-input.c
View file

@ -599,6 +599,10 @@ void pa_sink_input_unlink(pa_sink_input *i) {
if (i->sink->asyncmsgq)
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL) == 0);
/* We suspend the monitor if there was a passthrough sink, unsuspend now if required */
if (!pa_format_info_is_pcm(i->format) && i->sink->monitor_source)
pa_source_suspend(i->sink->monitor_source, FALSE, PA_SUSPEND_PASSTHROUGH);
}
reset_callbacks(i);
@ -689,6 +693,10 @@ void pa_sink_input_put(pa_sink_input *i) {
set_real_ratio(i, &i->volume);
}
/* If we're entering passthrough mode, disable the monitor */
if (!pa_format_info_is_pcm(i->format) && i->sink->monitor_source)
pa_source_suspend(i->sink->monitor_source, TRUE, PA_SUSPEND_PASSTHROUGH);
i->thread_info.soft_volume = i->soft_volume;
i->thread_info.muted = i->muted;
@ -1380,6 +1388,10 @@ int pa_sink_input_start_move(pa_sink_input *i) {
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL) == 0);
/* We suspend the monitor if there was a passthrough sink, unsuspend now if required */
if (!pa_format_info_is_pcm(i->format) && i->sink->monitor_source)
pa_source_suspend(i->sink->monitor_source, FALSE, PA_SUSPEND_PASSTHROUGH);
pa_sink_update_status(i->sink);
pa_cvolume_remap(&i->volume_factor_sink, &i->sink->channel_map, &i->channel_map);
i->sink = NULL;
@ -1621,6 +1633,10 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0);
/* If we're entering passthrough mode, disable the monitor */
if (!pa_format_info_is_pcm(i->format) && i->sink->monitor_source)
pa_source_suspend(i->sink->monitor_source, TRUE, PA_SUSPEND_PASSTHROUGH);
pa_log_debug("Successfully moved sink input %i to %s.", i->index, dest->name);
/* Notify everyone */