autoflush these channels that use queues

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13057 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_iax/mod_iax.c

@@ -623,8 +623,9 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 			return SWITCH_STATUS_FALSE;
 		}
 
-		switch_core_timer_next(&tech_pvt->timer);
-
+		if (!switch_queue_size(tech_pvt->frame_queue)) {
+			switch_core_timer_next(&tech_pvt->timer);
+		}
 
 		if (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
 			if (tech_pvt->read_frame) {

src/mod/endpoints/mod_loopback/mod_loopback.c

@@ -548,8 +548,10 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 		goto end;
 	}
 
-
-	switch_core_timer_next(&tech_pvt->timer);
+	if (!switch_queue_size(tech_pvt->frame_queue)) {
+		switch_core_timer_next(&tech_pvt->timer);
+	}
+	
 	if (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
 		if (tech_pvt->write_frame) {
 			switch_frame_free(&tech_pvt->write_frame);