Get more diagnostic messages when a TuneBlade-induced error occurs.

player.c

@@ -2777,6 +2777,7 @@ int player_stop(rtsp_conn_info *conn) {
   if (conn->player_thread) {
     debug(2, "player_thread cancel...");
     pthread_cancel(*conn->player_thread);
+    debug(2, "player_thread join...");
     pthread_join(*conn->player_thread, NULL);
     debug(2, "player_thread joined.");
     free(conn->player_thread);

rtsp.c

@@ -2079,9 +2079,11 @@ static void *rtsp_conversation_thread_func(void *pconn) {
       if (conn->stop == 0) {
         int err = msg_write_response(conn->fd, resp);
         if (err) {
+        	int odv = debuglev;
+        	debuglev = 3;
         	debug(1,"A communication error was detected. Closing the play session.");
-        	conn->stop = 1;
-        	pthread_cancel(conn->thread);
+        	player_stop(conn);
+        	debuglev = odv;
         }
       }
       pthread_cleanup_pop(1);