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authorLennart Poettering <lennart@poettering.net>2009-08-16 00:45:23 +0200
committerLennart Poettering <lennart@poettering.net>2009-08-16 00:45:23 +0200
commit4c29ba9c332dd682ced5ed668aede16aa5861128 (patch)
treec0e71f7bd470def7bbd9f97419dd5037f7f82cc4 /src/pulsecore/namereg.c
parent2a39663ab61614982c52e244bde596dcc1a08f37 (diff)
modules: add various checks to avoid selecting objects that are not linked or in another unclear state
Diffstat (limited to 'src/pulsecore/namereg.c')
-rw-r--r--src/pulsecore/namereg.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/src/pulsecore/namereg.c b/src/pulsecore/namereg.c
index 9df2f583..e26923d4 100644
--- a/src/pulsecore/namereg.c
+++ b/src/pulsecore/namereg.c
@@ -223,6 +223,9 @@ void* pa_namereg_get(pa_core *c, const char *name, pa_namereg_type_t type) {
pa_sink* pa_namereg_set_default_sink(pa_core*c, pa_sink *s) {
pa_assert(c);
+ if (s && !PA_SINK_IS_LINKED(pa_sink_get_state(s)))
+ return NULL;
+
if (c->default_sink != s) {
c->default_sink = s;
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
@@ -234,6 +237,9 @@ pa_sink* pa_namereg_set_default_sink(pa_core*c, pa_sink *s) {
pa_source* pa_namereg_set_default_source(pa_core*c, pa_source *s) {
pa_assert(c);
+ if (s && !PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
+ return NULL;
+
if (c->default_source != s) {
c->default_source = s;
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE, PA_INVALID_INDEX);
@@ -244,14 +250,19 @@ pa_source* pa_namereg_set_default_source(pa_core*c, pa_source *s) {
pa_sink *pa_namereg_get_default_sink(pa_core *c) {
pa_sink *s;
+ uint32_t idx;
pa_assert(c);
- if (c->default_sink)
+ if (c->default_sink && PA_SINK_IS_LINKED(pa_sink_get_state(c->default_sink)))
return c->default_sink;
- if ((s = pa_idxset_first(c->sinks, NULL)))
- return pa_namereg_set_default_sink(c, s);
+ /* FIXME: the selection here should be based priority values on
+ * the sinks */
+
+ PA_IDXSET_FOREACH(s, c->sinks, idx)
+ if (PA_SINK_IS_LINKED(pa_sink_get_state(s)))
+ return pa_namereg_set_default_sink(c, s);
return NULL;
}
@@ -262,15 +273,18 @@ pa_source *pa_namereg_get_default_source(pa_core *c) {
pa_assert(c);
- if (c->default_source)
+ if (c->default_source && PA_SOURCE_IS_LINKED(pa_source_get_state(c->default_source)))
return c->default_source;
- for (s = PA_SOURCE(pa_idxset_first(c->sources, &idx)); s; s = PA_SOURCE(pa_idxset_next(c->sources, &idx)))
- if (!s->monitor_of)
+ /* First, try to find one that isn't a monitor */
+ PA_IDXSET_FOREACH(s, c->sources, idx)
+ if (!s->monitor_of && PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
return pa_namereg_set_default_source(c, s);
- if ((s = pa_idxset_first(c->sources, NULL)))
- return pa_namereg_set_default_source(c, s);
+ /* Then, fallback to a monitor */
+ PA_IDXSET_FOREACH(s, c->sources, idx)
+ if (PA_SOURCE_IS_LINKED(pa_source_get_state(s)))
+ return pa_namereg_set_default_source(c, s);
return NULL;
}