From 27571d3de9c3660edc75d397d5fad5841cf0145c Mon Sep 17 00:00:00 2001
From: Ramiro Polla <ramiro@lisha.ufsc.br>
Date: Sat, 13 Jan 2007 16:51:42 +0000
Subject: Segmentation fault fix when no video device is specified. patch by
 Ramiro Polla % ramiro A lisha P ufsc P br %

Originally committed as revision 7445 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffmpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ffmpeg.c')

diff --git a/ffmpeg.c b/ffmpeg.c
index cdc78ea5d2..d12af7b232 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -3235,7 +3235,7 @@ static void prepare_grab(void)
     if (has_video) {
         AVInputFormat *fmt1;
 #warning FIXME: find a better interface
-        if(!strncmp(video_device,"x11:",4)) {
+        if(video_device&&!strncmp(video_device,"x11:",4)) {
             video_grab_format="x11grab";
         }
         fmt1 = av_find_input_format(video_grab_format);
-- 
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