refactor some of the message parsing code to use fifo to reduce threading contention

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15142 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_conference/mod_conference.c

@@ -2359,6 +2359,8 @@ static void conference_loop_output(conference_member_t *member)
 			switch_channel_clear_app_flag(channel, CF_APP_TAGGED);
 			switch_set_flag_locked(member, MFLAG_FLUSH_BUFFER);
 			switch_core_session_set_read_codec(member->session, &member->read_codec);
+		} else {
+			switch_ivr_parse_all_messages(member->session);
 		}
 		
 		if (use_timer) {