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count corked streams per sink/source and make pa_sink_used_by() return only the number of streams that are not corked. Introduce pa_sink_linked_by() returning the number of streams connected at all. This will allow suspending of sinks/sources when all streams connected to a sink are corked.

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1824 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-15 14:21:05 +00:00
parent 5ae4eed52e
commit 8389264d65
7 changed files with 64 additions and 7 deletions
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19
src/pulsecore/sink-input.c
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@ -225,6 +225,15 @@ pa_sink_input* pa_sink_input_new(
return i;
}
static void update_n_corked(pa_sink_input *i, pa_sink_input_state_t state) {
pa_assert(i);
if (i->state == PA_SINK_INPUT_CORKED && state != PA_SINK_INPUT_CORKED)
pa_assert_se(i->sink->n_corked -- >= 1);
else if (i->state != PA_SINK_INPUT_CORKED && state == PA_SINK_INPUT_CORKED)
i->sink->n_corked++;
}
static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) {
pa_sink_input *ssync;
pa_assert(i);
@ -238,11 +247,17 @@ static int sink_input_set_state(pa_sink_input *i, pa_sink_input_state_t state) {
if (pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_STATE, PA_UINT_TO_PTR(state), 0, NULL) < 0)
return -1;
update_n_corked(i, state);
i->state = state;
for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev)
for (ssync = i->sync_prev; ssync; ssync = ssync->sync_prev) {
update_n_corked(ssync, state);
ssync->state = state;
for (ssync = i->sync_next; ssync; ssync = ssync->sync_next)
}
for (ssync = i->sync_next; ssync; ssync = ssync->sync_next) {
update_n_corked(ssync, state);
ssync->state = state;
}
return 0;
}