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link latency of monitor source to sink

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2457 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2008-05-17 09:14:47 +00:00
parent 9b44665c08
commit 7e5e015cbe
2 changed files with 36 additions and 0 deletions
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34
src/pulsecore/sink.c
View file

@ -248,6 +248,9 @@ pa_sink* pa_sink_new(
return NULL; return NULL;
} }
s->monitor_source->min_latency = s->min_latency;
s->monitor_source->max_latency = s->max_latency;
s->monitor_source->monitor_of = s; s->monitor_source->monitor_of = s;
pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind); pa_source_set_max_rewind(s->monitor_source, s->thread_info.max_rewind);
@ -1228,6 +1231,7 @@ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
pa_usec_t result = (pa_usec_t) -1; pa_usec_t result = (pa_usec_t) -1;
pa_sink_input *i; pa_sink_input *i;
void *state = NULL; void *state = NULL;
pa_usec_t monitor_latency;
pa_sink_assert_ref(s); pa_sink_assert_ref(s);
@ -1240,6 +1244,12 @@ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
(result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency)) (result == (pa_usec_t) -1 || result > i->thread_info.requested_sink_latency))
result = i->thread_info.requested_sink_latency; result = i->thread_info.requested_sink_latency;
monitor_latency = pa_source_get_requested_latency_within_thread(s->monitor_source);
if (monitor_latency != (pa_usec_t) -1 &&
(result == (pa_usec_t) -1 || result > monitor_latency))
result = monitor_latency;
if (result != (pa_usec_t) -1) { if (result != (pa_usec_t) -1) {
if (s->max_latency > 0 && result > s->max_latency) if (s->max_latency > 0 && result > s->max_latency)
result = s->max_latency; result = s->max_latency;
@ -1300,3 +1310,27 @@ void pa_sink_invalidate_requested_latency(pa_sink *s) {
if (s->update_requested_latency) if (s->update_requested_latency)
s->update_requested_latency(s); s->update_requested_latency(s);
} }
void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
pa_sink_assert_ref(s);
/* min_latency == 0: no limit
* min_latency == (size_t) -1: default limit
* min_latency anything else: specified limit
*
* Similar for max_latency */
if (min_latency == (pa_usec_t) -1)
min_latency = DEFAULT_MIN_LATENCY;
if (max_latency == (pa_usec_t) -1)
max_latency = min_latency;
pa_assert(!min_latency || !max_latency ||
min_latency <= max_latency);
s->min_latency = min_latency;
s->max_latency = max_latency;
pa_source_set_latency_range(s->monitor_source, min_latency, max_latency);
}

2
src/pulsecore/sink.h
View file

@ -209,6 +209,8 @@ void pa_sink_set_description(pa_sink *s, const char *description);
void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q); void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q);
void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p); void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p);
void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency);
void pa_sink_detach(pa_sink *s); void pa_sink_detach(pa_sink *s);
void pa_sink_attach(pa_sink *s); void pa_sink_attach(pa_sink *s);