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context: sort objects by priority

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This commit is contained in:
Wim Taymans 2019-10-31 17:55:25 +01:00
parent 772ec76cd9
commit 0c106e6777
2 changed files with 23 additions and 5 deletions
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27
src/context.c
View file

@ -552,11 +552,14 @@ static int set_mask(pa_context *c, struct global *g)
case PW_TYPE_INTERFACE_Node:
if (g->props == NULL)
return 0;
if ((str = pw_properties_get(g->props, PW_KEY_PRIORITY_MASTER)) != NULL)
g->priority_master = pw_properties_parse_int(str);
if ((str = pw_properties_get(g->props, PW_KEY_MEDIA_CLASS)) == NULL) {
pw_log_debug("node %d without "PW_KEY_MEDIA_CLASS, g->id);
return 0;
}
pw_log_debug("node %d "PW_KEY_MEDIA_CLASS" '%s'", g->id, str);
if (strcmp(str, "Audio/Sink") == 0) {
pw_log_debug("found sink %d", g->id);
@ -664,12 +667,26 @@ static int set_mask(pa_context *c, struct global *g)
return 1;
}
static inline void insert_global(pa_context *c, struct global *global)
{
struct global *g, *t;
spa_list_for_each_safe(g, t, &c->globals, link) {
if (g->priority_master < global->priority_master) {
g = g->link.prev;
break;
}
}
spa_list_prepend(&g->link, &global->link);
}
static void registry_event_global(void *data, uint32_t id,
uint32_t permissions, uint32_t type, uint32_t version,
const struct spa_dict *props)
{
pa_context *c = data;
struct global *g;
int res;
g = calloc(1, sizeof(struct global));
pw_log_debug("context %p: global %d %u %p", c, id, type, g);
@ -678,12 +695,12 @@ static void registry_event_global(void *data, uint32_t id,
g->type = type;
g->init = true;
g->props = props ? pw_properties_new_dict(props) : NULL;
spa_list_append(&c->globals, &g->link);
if (set_mask(c, g) != 1) {
res = set_mask(c, g);
insert_global(c, g);
if (res != 1)
global_free(c, g);
return;
}
}
static void registry_event_global_remove(void *object, uint32_t id)

1
src/internal.h
View file

@ -231,6 +231,7 @@ struct global {
pa_subscription_mask_t mask;
pa_subscription_event_type_t event;
int priority_master;
int pending_seq;
int init:1;
int subscribed:1;