[FFmpeg-cvslog] vsrc_mandelbrot: fix inner=period, the previous optimizations broke it.

Michael Niedermayer git at videolan.org
Mon Nov 21 05:19:18 CET 2011


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Mon Nov 21 04:16:41 2011 +0100| [2c44aed82ac451ff92013be5702c1425025477c1] | committer: Michael Niedermayer

vsrc_mandelbrot: fix inner=period, the previous optimizations broke it.

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2c44aed82ac451ff92013be5702c1425025477c1
---

 libavfilter/vsrc_mandelbrot.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index d12981a..1254fef 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -355,7 +355,7 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize,
                 if(mb->inner==PERIOD){
                 int j;
                 for(j=i-1; j; j--)
-                    if(SQR(mb->zyklus[j][0]-zr) + SQR(mb->zyklus[j][1]-zi) < 0.0000000000000001)
+                    if(SQR(mb->zyklus[j][0]-zr) + SQR(mb->zyklus[j][1]-zi) < epsilon*epsilon*10)
                         break;
                 if(j){
                     c= i-j;



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