1 files changed, 6 insertions, 1 deletions
diff --git a/src/video_out/video_out_xv.c b/src/video_out/video_out_xv.c
index 1731bc1c8..622b61f17 100644
--- a/src/video_out/video_out_xv.c
+++ b/src/video_out/video_out_xv.c
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: video_out_xv.c,v 1.157 2003/02/03 00:24:13 miguelfreitas Exp $
+ * $Id: video_out_xv.c,v 1.158 2003/02/22 16:56:01 hadess Exp $
  *
  * video_out_xv.c, X11 video extension interface for xine
  *
@@ -1362,6 +1362,11 @@ static void *init_class (xine_t *xine, void *visual_gen) {
    * check for Xvideo support
    */
 
+  if (!XInitThreads()) {
+    printf ("video_out_xv: No thread-safe X libraries available.\n");
+    return NULL;
+  }
+
   if (Success != XvQueryExtension(display,&ver,&rel,&req,&ev,&err)) {
     printf ("video_out_xv: Xv extension not present.\n");
     return NULL;