try to improve audio stream sync

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1565,7 +1565,17 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 		if (switch_core_session_in_thread(session)) {
 			de->session = session;
 		}
-		sofia_process_dispatch_event(&de);
+
+		if (de->data->e_event == nua_i_cancel || de->data->e_event == nua_i_bye) {
+			sofia_set_flag(tech_pvt, TFLAG_SIGDEAD);
+		}
+
+		if (!sofia_test_flag(tech_pvt, TFLAG_SIGDEAD) && (switch_channel_media_up(channel) || switch_channel_get_state(channel) > CS_ROUTING)) {
+			sofia_queue_message(de);
+		} else {
+			sofia_process_dispatch_event(&de);
+		}
+
 		switch_mutex_unlock(tech_pvt->sofia_mutex);
 		goto end;
 	}

src/mod/endpoints/mod_sofia/mod_sofia.h

@@ -353,6 +353,7 @@ typedef enum {
 	TFLAG_PASS_ACK,
 	TFLAG_CRYPTO_RECOVER,
 	TFLAG_DROP_DTMF,
+	TFLAG_SIGDEAD,
 	/* No new flags below this line */
 	TFLAG_MAX
 } TFLAGS;
@@ -1205,6 +1206,7 @@ void sofia_glue_parse_rtp_bugs(switch_rtp_bug_flag_t *flag_pole, const char *str
 char *sofia_glue_gen_contact_str(sofia_profile_t *profile, sip_t const *sip, nua_handle_t *nh, sofia_dispatch_event_t *de, sofia_nat_parse_t *np);
 void sofia_glue_pause_jitterbuffer(switch_core_session_t *session, switch_bool_t on);
 void sofia_process_dispatch_event(sofia_dispatch_event_t **dep);
+void sofia_process_dispatch_event_in_thread(sofia_dispatch_event_t **dep);
 char *sofia_glue_get_host(const char *str, switch_memory_pool_t *pool);
 void sofia_presence_check_subscriptions(sofia_profile_t *profile, time_t now);
 void sofia_msg_thread_start(int idx);
@@ -1215,6 +1217,7 @@ private_object_t *sofia_glue_new_pvt(switch_core_session_t *session);
 switch_status_t sofia_init(void);
 void sofia_glue_fire_events(sofia_profile_t *profile);
 void sofia_event_fire(sofia_profile_t *profile, switch_event_t **event);
+void sofia_queue_message(sofia_dispatch_event_t *de);
 
 /* For Emacs:
  * Local Variables:

src/mod/endpoints/mod_sofia/sofia.c

@@ -1686,7 +1686,7 @@ void sofia_msg_thread_start(int idx)
 }
 
 //static int foo = 0;
-static void sofia_queue_message(sofia_dispatch_event_t *de)
+void sofia_queue_message(sofia_dispatch_event_t *de)
 {
 	int launch = 0;