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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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31
src/pulsecore/sink.c
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@ -48,7 +48,9 @@
#define MAX_MIX_CHANNELS 32
#define MIX_BUFFER_LENGTH (PA_PAGE_SIZE)
#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_sink, pa_msgobject);
@ -231,7 +233,7 @@ pa_sink* pa_sink_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->sinks, s, &s->index) >= 0);
@ -343,8 +345,7 @@ void pa_sink_put(pa_sink* s) {
/* The following fields must be initialized properly when calling _put() */
pa_assert(s->asyncmsgq);
pa_assert(s->rtpoll);
pa_assert(!s->thread_info.min_latency || !s->thread_info.max_latency ||
s->thread_info.min_latency <= s->thread_info.max_latency);
pa_assert(s->thread_info.min_latency <= s->thread_info.max_latency);
if (!(s->flags & PA_SINK_HW_VOLUME_CTRL)) {
s->flags |= PA_SINK_DECIBEL_VOLUME;
@ -1591,7 +1592,7 @@ int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offse
case PA_SINK_MESSAGE_SET_LATENCY_RANGE: {
pa_usec_t *r = userdata;
pa_sink_update_latency_range(s, r[0], r[1]);
pa_sink_set_latency_range_within_thread(s, r[0], r[1]);
return 0;
}
@ -1738,10 +1739,10 @@ pa_usec_t pa_sink_get_requested_latency_within_thread(pa_sink *s) {
result = monitor_latency;
if (result != (pa_usec_t) -1) {
if (s->thread_info.max_latency > 0 && result > s->thread_info.max_latency)
if (result > s->thread_info.max_latency)
result = s->thread_info.max_latency;
if (s->thread_info.min_latency > 0 && result < s->thread_info.min_latency)
if (result < s->thread_info.min_latency)
result = s->thread_info.min_latency;
}
@ -1835,11 +1836,16 @@ void pa_sink_set_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_
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_SINK_IS_LINKED(s->state)) {
pa_usec_t r[2];
@ -1879,14 +1885,15 @@ void pa_sink_get_latency_range(pa_sink *s, pa_usec_t *min_latency, pa_usec_t *ma
}
/* Called from IO thread */
void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
void pa_sink_set_latency_range_within_thread(pa_sink *s, pa_usec_t min_latency, pa_usec_t max_latency) {
pa_sink_input *i;
void *state = NULL;
pa_sink_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;
@ -1897,7 +1904,7 @@ void pa_sink_update_latency_range(pa_sink *s, pa_usec_t min_latency, pa_usec_t m
pa_sink_invalidate_requested_latency(s);
pa_source_update_latency_range(s->monitor_source, min_latency, max_latency);
pa_source_set_latency_range_within_thread(s->monitor_source, min_latency, max_latency);
}
/* Called from main context */