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metadata: remove metadata when the global is removed

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So that we can ensure the metadata only contains valid subject
ids.
This commit is contained in:
Wim Taymans 2021-06-16 09:52:49 +02:00
parent 07d43a001b
commit 22bb2666c4
1 changed files with 20 additions and 1 deletions
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19
src/modules/module-metadata/metadata.c
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@ -31,6 +31,8 @@
#define NAME "metadata" #define NAME "metadata"
struct impl { struct impl {
struct spa_hook context_listener;
struct pw_global *global; struct pw_global *global;
struct spa_hook global_listener; struct spa_hook global_listener;
@ -222,9 +224,23 @@ static const struct pw_global_events global_events = {
.destroy = global_destroy, .destroy = global_destroy,
}; };
static void context_global_removed(void *data, struct pw_global *global)
{
struct impl *impl = data;
pw_metadata_set_property(impl->metadata,
pw_global_get_id(global), NULL, NULL, NULL);
}
static const struct pw_context_events context_events = {
PW_VERSION_CONTEXT_EVENTS,
.global_removed = context_global_removed,
};
static void global_resource_destroy(void *data) static void global_resource_destroy(void *data)
{ {
struct impl *impl = data; struct impl *impl = data;
spa_hook_remove(&impl->context_listener);
spa_hook_remove(&impl->resource_listener); spa_hook_remove(&impl->resource_listener);
impl->resource = NULL; impl->resource = NULL;
impl->metadata = NULL; impl->metadata = NULL;
@ -272,6 +288,9 @@ pw_metadata_new(struct pw_context *context, struct pw_resource *resource,
impl->resource = resource; impl->resource = resource;
impl->metadata = (struct pw_metadata*)resource; impl->metadata = (struct pw_metadata*)resource;
pw_context_add_listener(context, &impl->context_listener,
&context_events, impl);
pw_global_add_listener(impl->global, pw_global_add_listener(impl->global,
&impl->global_listener, &impl->global_listener,
&global_events, impl); &global_events, impl);