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loopback: Cork source-output if sink is suspended

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During initialization, the approach avoids having a needless short
period of corked state in case the sink is suspended, by always creating
the source-output corked and uncorking it immediately afterwards when
the sink is not suspended.
This commit is contained in:
Frédéric Dalleau 2012-09-20 14:28:33 +02:00 • committed by Tanu Kaskinen
parent e90e19f457
commit 6c916697bc
1 changed files with 16 additions and 0 deletions
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16
src/modules/module-loopback.c
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@ -655,6 +655,17 @@ static pa_bool_t sink_input_may_move_to_cb(pa_sink_input *i, pa_sink *dest) {
return dest != u->source_output->source->monitor_of;
}
/* Called from main thread */
static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspended) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
pa_assert_se(u = i->userdata);
pa_source_output_cork(u->source_output, suspended);
}
int pa__init(pa_module *m) {
pa_modargs *ma = NULL;
struct userdata *u;
@ -817,6 +828,7 @@ int pa__init(pa_module *m) {
u->sink_input->update_max_request = sink_input_update_max_request_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
u->sink_input->suspend = sink_input_suspend_cb;
u->sink_input->userdata = u;
pa_sink_input_set_requested_latency(u->sink_input, u->latency/3);
@ -838,6 +850,7 @@ int pa__init(pa_module *m) {
pa_source_output_new_data_set_sample_spec(&source_output_data, &ss);
pa_source_output_new_data_set_channel_map(&source_output_data, &map);
source_output_data.flags = PA_SOURCE_OUTPUT_START_CORKED;
if (!remix)
source_output_data.flags |= PA_SOURCE_OUTPUT_NO_REMIX;
@ -917,6 +930,9 @@ int pa__init(pa_module *m) {
if (pa_source_get_state(u->source_output->source) != PA_SOURCE_SUSPENDED)
pa_sink_input_cork(u->sink_input, FALSE);
if (pa_sink_get_state(u->sink_input->sink) != PA_SINK_SUSPENDED)
pa_source_output_cork(u->source_output, FALSE);
if (u->adjust_time > 0)
u->time_event = pa_core_rttime_new(m->core, pa_rtclock_now() + u->adjust_time, time_callback, u);