diff -up vlc-3.0.21/modules/access/live555.cpp.orig vlc-3.0.21/modules/access/live555.cpp
--- vlc-3.0.21/modules/access/live555.cpp.orig	2024-06-05 17:56:07.000000000 +0200
+++ vlc-3.0.21/modules/access/live555.cpp	2024-12-06 11:41:08.633053039 +0100
@@ -236,8 +236,13 @@ struct demux_sys_t
     bool             b_no_data;     /* if we never received any data */
     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 
+#if LIVEMEDIA_LIBRARY_VERSION_INT >= 1732752000
+    std::atomic_char event_rtsp;
+    std::atomic_char event_data;
+#else
     char             event_rtsp;
     char             event_data;
+#endif
 
     bool             b_get_param;   /* Does the server support GET_PARAMETER */
     bool             b_paused;      /* Are we paused? */