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pulse: use metadata to store default source/sink

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The metadata is implemented by the session manager and it can decide
what to do when the defaults change. It can also choose to save
(some of) the metadata to a database.

The metadata is also shared between applications so that changes can
be picked up immediately.
This commit is contained in:
Wim Taymans 2020-07-07 17:09:46 +02:00
parent 2991a814cd
commit ee54cb96aa
5 changed files with 232 additions and 11 deletions
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16
pipewire-pulseaudio/src/introspect.c
View file

@ -1247,13 +1247,25 @@ struct server_data {
static const char *get_default_name(pa_context *c, uint32_t mask)
{
struct global *g;
const char *str;
const char *str, *name = NULL, *type, *key;
if (c->metadata) {
if (mask & PA_SUBSCRIPTION_MASK_SINK)
key = "http://pipewire.org/metadata/default-audio-sink";
else if (mask & PA_SUBSCRIPTION_MASK_SOURCE)
key = "http://pipewire.org/metadata/default-audio-source";
else
return NULL;
if (pa_metadata_get(c->metadata, PW_ID_CORE, key, &type, &name) <= 0)
name = NULL;
}
spa_list_for_each(g, &c->globals, link) {
if ((g->mask & mask) != mask)
continue;
if (g->props != NULL &&
(str = pw_properties_get(g->props, PW_KEY_NODE_NAME)) != NULL)
(str = pw_properties_get(g->props, PW_KEY_NODE_NAME)) != NULL &&
(name == NULL || strcmp(name, str) == 0))
return str;
}
return "unknown";