From 21c2e201f6aa70fe8fdd1b3d87362f16220f4594 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 27 Feb 2013 17:08:50 +0100
Subject: [PATCH] vf_lut: correct color/comp permutation
Fixes Ticket2225
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavfilter/vf_lut.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c
index 73f909d038c..bdfe712cf46 100644
--- a/libavfilter/vf_lut.c
+++ b/libavfilter/vf_lut.c
@@ -178,7 +178,7 @@ static int config_props(AVFilterLink *inlink)
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
uint8_t rgba_map[4]; /* component index -> RGBA color index map */
int min[4], max[4];
- int val, comp, ret;
+ int val, color, ret;
lut->hsub = desc->log2_chroma_w;
lut->vsub = desc->log2_chroma_h;
@@ -213,9 +213,9 @@ static int config_props(AVFilterLink *inlink)
lut->step = av_get_bits_per_pixel(desc) >> 3;
}
- for (comp = 0; comp < desc->nb_components; comp++) {
+ for (color = 0; color < desc->nb_components; color++) {
double res;
- int color = lut->is_rgb ? rgba_map[comp] : comp;
+ int comp = lut->is_rgb ? rgba_map[color] : color;
/* create the parsed expression */
ret = av_expr_parse(&lut->comp_expr[color], lut->comp_expr_str[color],
--
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