vsrc_mandelbrot: detect edges in interpol()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago · a5dfedd381
parent 4ebbcdb3eb
commit a5dfedd381
1 changed files with 2 additions and 0 deletions
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@ -252,6 +252,8 @@ static int interpol(MBContext *mb, uint32_t *color, int x, int y, int linesize)
        int ipolcd= (cc + dc);
        if(FFABS(ipolab - ipolcd) > 5)
            return 0;
+        if(FFABS(ac-bc)+FFABS(cc-dc) > 20)
+            return 0;
        ipol |= ((ipolab + ipolcd + 2)/4)<<s;
    }
    color[x + y*linesize]= ipol;