From 974d25e2db96f95770f92a616b7508c9cbf62804 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 16 Nov 2011 04:22:36 +0100
Subject: [PATCH] mandelbrot: make mincol description and code match.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavfilter/vsrc_mandelbrot.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index 194d866abe5..fb4bd351230 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -98,7 +98,7 @@ static const AVOption mandelbrot_options[] = {
{"black", "set black mode", 0, AV_OPT_TYPE_CONST, {.dbl=BLACK}, INT_MIN, INT_MAX, 0, "inner" },
{"period", "set period mode", 0, AV_OPT_TYPE_CONST, {.dbl=PERIOD}, INT_MIN, INT_MAX, 0, "inner" },
{"convergence", "show time until convergence", 0, AV_OPT_TYPE_CONST, {.dbl=CONVTIME}, INT_MIN, INT_MAX, 0, "inner" },
- {"mincol", "color based on point closest to the origin of the cycle", 0, AV_OPT_TYPE_CONST, {.dbl=MINCOL}, INT_MIN, INT_MAX, 0, "inner" },
+ {"mincol", "color based on point closest to the origin of the iterations", 0, AV_OPT_TYPE_CONST, {.dbl=MINCOL}, INT_MIN, INT_MAX, 0, "inner" },
{NULL},
};
@@ -275,7 +275,7 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize,
int j;
double closest=9999;
int closest_index=0;
- for(j=i-1; j; j--)
+ for(j=i-1; j>=0; j--)
if(SQR(mb->zyklus[j][0]) + SQR(mb->zyklus[j][1]) < closest){
closest= SQR(mb->zyklus[j][0]) + SQR(mb->zyklus[j][1]);
closest_index= j;
--
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