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media-session: improve cleanup

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This commit is contained in:
Wim Taymans 2019-12-18 12:15:03 +01:00
parent 2a4c57798d
commit 147f488514
11 changed files with 301 additions and 162 deletions
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50
src/examples/media-session/metadata.c
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@ -65,6 +65,8 @@ struct metadata {
struct spa_interface iface;
struct sm_media_session *session;
struct spa_hook session_listener;
struct spa_hook_list hooks;
struct pw_properties *properties;
@ -180,11 +182,33 @@ struct pw_metadata_methods impl_metadata = {
.clear = impl_clear,
};
void *sm_metadata_start(struct sm_media_session *sess)
static void session_destroy(void *data)
{
struct metadata *this = data;
spa_hook_remove(&this->session_listener);
pw_proxy_destroy(this->proxy);
clear_items(this);
pw_array_clear(&this->metadata);
pw_properties_free(this->properties);
free(this);
}
static const struct sm_media_session_events session_events = {
SM_VERSION_MEDIA_SESSION_EVENTS,
.destroy = session_destroy,
};
int sm_metadata_start(struct sm_media_session *sess)
{
struct metadata *md;
int res;
md = calloc(1, sizeof(*md));
if (md == NULL)
return -errno;
md->session = sess;
md->properties = pw_properties_new(NULL, NULL);
pw_array_init(&md->metadata, 4096);
@ -200,18 +224,18 @@ void *sm_metadata_start(struct sm_media_session *sess)
NULL,
md,
0);
return md;
}
if (md->proxy == NULL) {
res = -errno;
goto error_free;
}
int sm_metadata_stop(void *data)
{
struct metadata *this = data;
pw_proxy_destroy(this->proxy);
clear_items(this);
pw_array_clear(&this->metadata);
pw_properties_free(this->properties);
free(this);
sm_media_session_add_listener(sess, &md->session_listener,
&session_events, md);
return 0;
error_free:
pw_array_clear(&md->metadata);
pw_properties_free(md->properties);
free(md);
return res;
}