Index: libmpdemux/tvi_v4l2.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/tvi_v4l2.c,v
retrieving revision 1.25
diff -u -r1.25 tvi_v4l2.c
--- libmpdemux/tvi_v4l2.c	14 May 2005 13:54:25 -0000	1.25
+++ libmpdemux/tvi_v4l2.c	15 Jul 2005 23:33:09 -0000
@@ -893,7 +893,7 @@
     }
 
     /* stop audio thread */
-    if (!tv_param_noaudio) {
+    if (!tv_param_noaudio && priv->audio_grabber_thread) {
 	pthread_join(priv->audio_grabber_thread, NULL);
 	pthread_mutex_destroy(&priv->skew_mutex);
 	pthread_mutex_destroy(&priv->audio_mutex);