TT#189201 add convenience function call_get_call_subscription

Change-Id: Ib5300d4c303e3b430209edf724bdb933ced08b15

daemon/call.c

@@ -3046,6 +3046,15 @@ static void __subscribe_offer_answer_both_ways(struct call_monologue *a, struct
 
 
 
+struct call_subscription *call_get_call_subscription(GHashTable *ht, struct call_monologue *ml) {
+	GList *l = g_hash_table_lookup(ht, ml);
+	if (!l)
+		return NULL;
+	return l->data;
+}
+
+
+
 /* called with call->master_lock held in W */
 int monologue_publish(struct call_monologue *ml, GQueue *streams, struct sdp_ng_flags *flags) {
 	__call_monologue_init_from_flags(ml, flags);

include/call.h

@@ -648,6 +648,7 @@ void __monologue_viabranch(struct call_monologue *ml, const str *viabranch);
 struct packet_stream *__packet_stream_new(struct call *call);
 void __add_subscription(struct call_monologue *ml, struct call_monologue *other, bool offer_answer,
 		unsigned int media_offset, bool rtcp_only, bool egress);
+struct call_subscription *call_get_call_subscription(GHashTable *ht, struct call_monologue *ml);
 void free_sink_handler(void *);
 void __add_sink_handler(GQueue *, struct packet_stream *, const struct sink_attrs *);