1/0 fix

Originally committed as revision 3357 to svn://svn.ffmpeg.org/ffmpeg/trunk

1/0 fix
Originally committed as revision 3357 to svn://svn.ffmpeg.org/ffmpeg/trunk
620ab797 · Michael Niedermayer · 2ff9ff5b · 620ab797
Commit 620ab797 authored Jul 28, 2004 by Michael Niedermayer
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snow.c libavcodec/snow.c +2 -0

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--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -1701,6 +1701,8 @@ static void add_xblock(DWTELEM *dst, uint8_t *src, uint8_t *obmc, int s_x, int s
        b_h = h - s_y;
    }

+    if(b_w<=0 || b_h<=0) return;
+    
    dst += s_x + s_y*dst_stride;
    
    if(mb_type==1){