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make module-alsa-card move streams between the old and new sink/source, allowing 'hot' switching between profiles

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This commit is contained in:
Lennart Poettering 2009-01-23 22:40:32 +01:00
parent 640d317df9
commit db27c6347e
1 changed files with 29 additions and 2 deletions
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31
src/modules/alsa/module-alsa-card.c
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@ -26,6 +26,7 @@
#include <pulse/xmalloc.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/queue.h>
#include "alsa-util.h"
#include "alsa-sink.h"
@ -159,23 +160,49 @@ static int card_set_profile(pa_card *c, pa_card_profile *new_profile) {
od = PA_CARD_PROFILE_DATA(c->active_profile);
if (od->sink_profile != nd->sink_profile) {
pa_queue *inputs = NULL;
if (u->sink) {
if (nd->sink_profile)
inputs = pa_sink_move_all_start(u->sink);
pa_alsa_sink_free(u->sink);
u->sink = NULL;
}
if (nd->sink_profile)
if (nd->sink_profile) {
u->sink = pa_alsa_sink_new(c->module, u->modargs, __FILE__, c, nd->sink_profile);
if (inputs) {
if (u->sink)
pa_sink_move_all_finish(u->sink, inputs);
else
pa_sink_move_all_fail(inputs);
}
}
}
if (od->source_profile != nd->source_profile) {
pa_queue *outputs = NULL;
if (u->source) {
if (nd->source_profile)
outputs = pa_source_move_all_start(u->source);
pa_alsa_source_free(u->source);
u->source = NULL;
}
if (nd->source_profile)
if (nd->source_profile) {
u->source = pa_alsa_source_new(c->module, u->modargs, __FILE__, c, nd->source_profile);
if (outputs) {
if (u->source)
pa_source_move_all_finish(u->source, outputs);
else
pa_source_move_all_fail(outputs);
}
}
}
return 0;