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media-session: track our DSP link

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Set our DSP link proxy to NULL when it gets destroyed so that we
don't accidentally try to do things with it anymore.
This commit is contained in:
Wim Taymans 2019-01-29 10:29:06 +01:00
parent ac6a568729
commit 11769aa7e7
2 changed files with 17 additions and 1 deletions
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16
src/examples/media-session.c
View file

@ -152,6 +152,7 @@ struct session {
struct node *dsp;
struct pw_proxy *dsp_proxy;
struct pw_proxy *link_proxy;
struct spa_hook link_listener;
struct spa_list node_list;
@ -272,6 +273,17 @@ static int on_node_idle(struct impl *impl, struct node *node)
return 0;
}
static void link_proxy_destroy(void *data)
{
struct session *s = data;
pw_log_debug(NAME " %p: proxy destroy session link", s);
s->link_proxy = NULL;
}
static const struct pw_proxy_events link_proxy_events = {
PW_VERSION_PROXY_EVENTS,
.destroy = link_proxy_destroy,
};
static int link_session_dsp(struct impl *impl, struct session *session)
{
@ -303,6 +315,7 @@ static int link_session_dsp(struct impl *impl, struct session *session)
PW_VERSION_LINK,
&props->dict,
0);
pw_proxy_add_listener(session->link_proxy, &session->link_listener, &link_proxy_events, session);
pw_properties_free(props);
return 0;
@ -415,6 +428,9 @@ static void remove_session(struct impl *impl, struct session *sess)
pw_core_proxy_destroy(impl->core_proxy, sess->dsp_proxy);
sess->dsp_proxy = NULL;
}
if (sess->link_proxy) {
spa_hook_remove(&sess->link_listener);
}
spa_list_remove(&sess->l);
free(sess);
}