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fix up latency before calling into stream code, to make sure we don't ask for too much data to early

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This commit is contained in:
Lennart Poettering 2008-08-29 01:20:25 +02:00
parent 63505bee07
commit 450fe170a5
4 changed files with 16 additions and 13 deletions
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5
src/pulsecore/sink-input.c
View file

@ -756,14 +756,11 @@ pa_usec_t pa_sink_input_set_requested_latency(pa_sink_input *i, pa_usec_t usec)
if (PA_SINK_INPUT_IS_LINKED(i->state)) if (PA_SINK_INPUT_IS_LINKED(i->state))
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
else { else
/* If this sink input is not realized yet, we have to touch /* If this sink input is not realized yet, we have to touch
* the thread info data directly */ * the thread info data directly */
usec = fixup_latency(i->sink, usec);
i->thread_info.requested_sink_latency = usec; i->thread_info.requested_sink_latency = usec;
i->sink->thread_info.requested_latency_valid = FALSE;
}
return usec; return usec;
} }

16
src/pulsecore/sink.c
View file

@ -1042,11 +1042,15 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
pa_sink_input_set_state_within_thread(i, i->state); pa_sink_input_set_state_within_thread(i, i->state);
/* The requested latency of the sink input needs to be
* fixed up and then configured on the sink */
if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
pa_sink_input_update_max_request(i, s->thread_info.max_request); pa_sink_input_update_max_request(i, s->thread_info.max_request);
pa_sink_invalidate_requested_latency(s);
/* We don't rewind here automatically. This is left to the /* We don't rewind here automatically. This is left to the
* sink input implementor because some sink inputs need a * sink input implementor because some sink inputs need a
* slow start, i.e. need some time to buffer client * slow start, i.e. need some time to buffer client
@ -1158,11 +1162,12 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
if (i->attach) if (i->attach)
i->attach(i); i->attach(i);
if (i->thread_info.requested_sink_latency != (pa_usec_t) -1)
pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind); pa_sink_input_update_max_rewind(i, s->thread_info.max_rewind);
pa_sink_input_update_max_request(i, s->thread_info.max_request); pa_sink_input_update_max_request(i, s->thread_info.max_request);
pa_sink_input_set_requested_latency_within_thread(i, i->thread_info.requested_sink_latency);
if (i->thread_info.state != PA_SINK_INPUT_CORKED) { if (i->thread_info.state != PA_SINK_INPUT_CORKED) {
pa_usec_t usec = 0; pa_usec_t usec = 0;
size_t nbytes; size_t nbytes;
@ -1424,7 +1429,6 @@ void pa_sink_set_max_rewind(pa_sink *s, size_t max_rewind) {
/* Called from IO thread */ /* Called from IO thread */
void pa_sink_set_max_request(pa_sink *s, size_t max_request) { void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
pa_sink_input *i;
void *state = NULL; void *state = NULL;
pa_sink_assert_ref(s); pa_sink_assert_ref(s);
@ -1435,6 +1439,8 @@ void pa_sink_set_max_request(pa_sink *s, size_t max_request) {
s->thread_info.max_request = max_request; s->thread_info.max_request = max_request;
if (PA_SINK_IS_LINKED(s->thread_info.state)) { if (PA_SINK_IS_LINKED(s->thread_info.state)) {
pa_sink_input *i;
while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL))) while ((i = pa_hashmap_iterate(s->thread_info.inputs, &state, NULL)))
pa_sink_input_update_max_request(i, s->thread_info.max_request); pa_sink_input_update_max_request(i, s->thread_info.max_request);
} }

5
src/pulsecore/source-output.c
View file

@ -511,14 +511,11 @@ pa_usec_t pa_source_output_set_requested_latency(pa_source_output *o, pa_usec_t
if (PA_SOURCE_OUTPUT_IS_LINKED(o->state)) if (PA_SOURCE_OUTPUT_IS_LINKED(o->state))
pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0); pa_assert_se(pa_asyncmsgq_send(o->source->asyncmsgq, PA_MSGOBJECT(o), PA_SOURCE_OUTPUT_MESSAGE_SET_REQUESTED_LATENCY, &usec, 0, NULL) == 0);
else { else
/* If this source output is not realized yet, we have to touch /* If this source output is not realized yet, we have to touch
* the thread info data directly */ * the thread info data directly */
usec = fixup_latency(o->source, usec);
o->thread_info.requested_source_latency = usec; o->thread_info.requested_source_latency = usec;
o->source->thread_info.requested_latency_valid = FALSE;
}
return usec; return usec;
} }

3
src/pulsecore/source.c
View file

@ -670,6 +670,9 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_
pa_source_output_set_state_within_thread(o, o->state); pa_source_output_set_state_within_thread(o, o->state);
if (o->thread_info.requested_source_latency != (pa_usec_t) -1)
pa_source_output_set_requested_latency_within_thread(o, o->thread_info.requested_source_latency);
pa_source_output_update_max_rewind(o, s->thread_info.max_rewind); pa_source_output_update_max_rewind(o, s->thread_info.max_rewind);
/* We don't just invalidate the requested latency here, /* We don't just invalidate the requested latency here,