maybe fix segfault with missing extradata (unchecked)

Originally committed as revision 7677 to svn://svn.ffmpeg.org/ffmpeg/trunk
18 years ago · 2c16032028
parent e995cfca28
commit 2c16032028
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@ -826,7 +826,7 @@ static int svq3_decode_frame (AVCodecContext *avctx,
    }

    /* if a match was found, parse the extra data */
-    if (!memcmp (extradata, "SEQH", 4)) {
+    if (extradata && !memcmp (extradata, "SEQH", 4)) {

      GetBitContext gb;