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context: rework how we introspect

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Use the properties of the global to mark the global type, use this
to filter the objects.
Hook up the volume control
This commit is contained in:
Wim Taymans 2018-07-03 22:03:25 +02:00
parent 11ee416bb0
commit b98c98cc8d
5 changed files with 196 additions and 111 deletions
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61
src/context.c
View file

@ -86,6 +86,48 @@ pa_context *pa_context_new(pa_mainloop_api *mainloop, const char *name)
return pa_context_new_with_proplist(mainloop, name, NULL);
}
static int set_mask(pa_context *c, struct global *g)
{
const char *str;
if (g->type == c->t->node) {
if (g->props == NULL)
return 0;
if ((str = pw_properties_get(g->props, "media.class")) == NULL)
return 0;
if (strcmp(str, "Audio/Sink") == 0) {
g->mask = PA_SUBSCRIPTION_MASK_SINK;
g->event = PA_SUBSCRIPTION_EVENT_SINK;
}
else if (strcmp(str, "Audio/Source") == 0) {
g->mask = PA_SUBSCRIPTION_MASK_SOURCE;
g->event = PA_SUBSCRIPTION_EVENT_SOURCE;
}
else if (strcmp(str, "Stream/Output/Audio") == 0) {
g->mask = PA_SUBSCRIPTION_MASK_SINK_INPUT;
g->event = PA_SUBSCRIPTION_EVENT_SINK_INPUT;
}
else if (strcmp(str, "Stream/Input/Audio") == 0) {
g->mask = PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT;
g->event = PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT;
}
else
return 0;
}
else if (g->type == c->t->module) {
g->mask = PA_SUBSCRIPTION_MASK_MODULE;
g->event = PA_SUBSCRIPTION_EVENT_MODULE;
}
else if (g->type == c->t->client) {
g->mask = PA_SUBSCRIPTION_MASK_CLIENT;
g->event = PA_SUBSCRIPTION_EVENT_CLIENT;
}
else
return 0;
return 1;
}
static void registry_event_global(void *data, uint32_t id, uint32_t parent_id,
uint32_t permissions, uint32_t type, uint32_t version,
@ -101,7 +143,18 @@ static void registry_event_global(void *data, uint32_t id, uint32_t parent_id,
g->type = type;
g->props = props ? pw_properties_new_dict(props) : NULL;
if (set_mask(c, g) == 0)
return;
spa_list_append(&c->globals, &g->link);
if (c->subscribe_mask & g->mask) {
if (c->subscribe_callback)
c->subscribe_callback(c,
PA_SUBSCRIPTION_EVENT_NEW | g->event,
g->id,
c->subscribe_userdata);
}
}
struct global *pa_context_find_global(pa_context *c, uint32_t id)
@ -123,6 +176,14 @@ static void registry_event_global_remove(void *object, uint32_t id)
if ((g = pa_context_find_global(c, id)) == NULL)
return;
if (c->subscribe_mask & g->mask) {
if (c->subscribe_callback)
c->subscribe_callback(c,
PA_SUBSCRIPTION_EVENT_REMOVE | g->event,
g->id,
c->subscribe_userdata);
}
spa_list_remove(&g->link);
if (g->props)
pw_properties_free(g->props);