* prevent crash in decoder

Originally committed as revision 179 to svn://svn.ffmpeg.org/ffmpeg/trunk

* prevent crash in decoder
Originally committed as revision 179 to svn://svn.ffmpeg.org/ffmpeg/trunk
525782f3 · Zdenek Kabelac · 9736722a · 525782f3
Commit 525782f3 authored Oct 23, 2001 by Zdenek Kabelac
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msmpeg4.c libavcodec/msmpeg4.c +1 -1

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--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -664,7 +664,7 @@ int msmpeg4_decode_mb(MpegEncContext *s,

    /* special slice handling */
    if (s->mb_x == 0) {
-        if ((s->mb_y % s->slice_height) == 0) {
+        if (s->slice_height && (s->mb_y % s->slice_height) == 0) {
            int wrap;
            /* reset DC pred (set previous line to 1024) */
            wrap = 2 * s->mb_width + 2;