1/0 fix

Originally committed as revision 3357 to svn://svn.ffmpeg.org/ffmpeg/trunk
21 years ago · 620ab797f0
parent 2ff9ff5bdf
commit 620ab797f0
1 changed files with 2 additions and 0 deletions
--- 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){