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simplify latency range by not allowing stored 'wildcard' ranges anymore

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This commit is contained in:
Lennart Poettering 2009-03-24 21:06:57 +01:00
parent e6be9481dc
commit aa92ff408c
8 changed files with 42 additions and 27 deletions
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22
src/pulsecore/source.c
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@ -41,7 +41,9 @@
#include "source.h"
#define ABSOLUTE_MIN_LATENCY (500)
#define DEFAULT_MIN_LATENCY (4*PA_USEC_PER_MSEC)
#define ABSOLUTE_MAX_LATENCY (10*PA_USEC_PER_SEC)
static PA_DEFINE_CHECK_TYPE(pa_source, pa_msgobject);
@ -219,7 +221,7 @@ pa_source* pa_source_new(
s->thread_info.requested_latency_valid = FALSE;
s->thread_info.requested_latency = 0;
s->thread_info.min_latency = DEFAULT_MIN_LATENCY;
s->thread_info.max_latency = 0;
s->thread_info.max_latency = DEFAULT_MIN_LATENCY;
pa_assert_se(pa_idxset_put(core->sources, s, &s->index) >= 0);
@ -936,7 +938,7 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_
case PA_SOURCE_MESSAGE_SET_LATENCY_RANGE: {
pa_usec_t *r = userdata;
pa_source_update_latency_range(s, r[0], r[1]);
pa_source_set_latency_range_within_thread(s, r[0], r[1]);
return 0;
}
@ -1130,11 +1132,16 @@ void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t
if (min_latency == (pa_usec_t) -1)
min_latency = DEFAULT_MIN_LATENCY;
if (min_latency < ABSOLUTE_MIN_LATENCY)
min_latency = ABSOLUTE_MIN_LATENCY;
if (max_latency == (pa_usec_t) -1)
max_latency = min_latency;
pa_assert(!min_latency || !max_latency ||
min_latency <= max_latency);
if (max_latency > ABSOLUTE_MAX_LATENCY || max_latency <= 0)
max_latency = ABSOLUTE_MAX_LATENCY;
pa_assert(min_latency <= max_latency);
if (PA_SOURCE_IS_LINKED(s->state)) {
pa_usec_t r[2];
@ -1170,14 +1177,15 @@ void pa_source_get_latency_range(pa_source *s, pa_usec_t *min_latency, pa_usec_t
}
/* Called from IO thread */
void pa_source_update_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
void pa_source_set_latency_range_within_thread(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
pa_source_output *o;
void *state = NULL;
pa_source_assert_ref(s);
pa_assert(!min_latency || !max_latency ||
min_latency <= max_latency);
pa_assert(min_latency >= ABSOLUTE_MIN_LATENCY);
pa_assert(max_latency <= ABSOLUTE_MAX_LATENCY);
pa_assert(min_latency <= max_latency);
s->thread_info.min_latency = min_latency;
s->thread_info.max_latency = max_latency;