mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-04 13:29:59 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

source: Bring rate update code in sync with sink code

Browse source 
Basically adds code to handle passthrough sources. This isn't a tested
path at the moment, but in the future, when we do wish to support these,
it'll save us the trouble of having to sync all the code again.
This commit is contained in:
Arun Raghavan 2011-10-11 00:47:56 +05:30
parent b232fbd8f8
commit b9ff90fef8
4 changed files with 32 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

39
src/pulsecore/source.c
View file

@ -921,9 +921,8 @@ void pa_source_post_direct(pa_source*s, pa_source_output *o, const pa_memchunk *
}
/* Called from main thread */
pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate)
pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate, pa_bool_t passthrough)
{
if (s->update_rate) {
uint32_t desired_rate = rate;
uint32_t default_rate = s->default_sample_rate;
@ -933,30 +932,38 @@ pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate)
if (PA_SOURCE_IS_RUNNING(s->state)) {
pa_log_info("Cannot update rate, SOURCE_IS_RUNNING, will keep using %u kHz",
s->sample_spec.rate);
return FALSE; /* cannot reconfigure a RUNNING source without glitches */
return FALSE;
}
if (PA_UNLIKELY (desired_rate < 8000 ||
desired_rate > PA_RATE_MAX))
return FALSE;
pa_assert(default_rate % 4000 || default_rate % 11025);
pa_assert(alternate_rate % 4000 || alternate_rate % 11025);
if (!passthrough) {
pa_assert(default_rate % 4000 || default_rate % 11025);
pa_assert(alternate_rate % 4000 || alternate_rate % 11025);
if (default_rate % 4000) {
/* default is a 11025 multiple */
if ((alternate_rate % 4000 == 0) && (desired_rate % 4000 == 0))
use_alternate=TRUE;
if (default_rate % 4000) {
/* default is a 11025 multiple */
if ((alternate_rate % 4000 == 0) && (desired_rate % 4000 == 0))
use_alternate=TRUE;
} else {
/* default is 4000 multiple */
if ((alternate_rate % 11025 == 0) && (desired_rate % 11025 == 0))
use_alternate=TRUE;
}
if (use_alternate)
desired_rate = alternate_rate;
else
desired_rate = default_rate;
} else {
/* default is 4000 multiple */
if ((alternate_rate % 11025 == 0) && (desired_rate % 11025 == 0))
use_alternate=TRUE;
desired_rate = rate; /* use stream sampling rate, discard default/alternate settings */
}
if (use_alternate)
desired_rate = alternate_rate;
else
desired_rate = default_rate;
if (passthrough || pa_source_used_by(s) == 0) {
pa_source_suspend(s, TRUE, PA_SUSPEND_IDLE); /* needed before rate update, will be resumed automatically */
}
if (s->update_rate(s, desired_rate) == TRUE) {
pa_log_info("Changed sampling rate successfully ");