[FFmpeg-cvslog] vf_lut: correct color/comp permutation

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Feb 27 17:08:50 2013 +0100| [21c2e201f6aa70fe8fdd1b3d87362f16220f4594] | committer: Michael Niedermayer

vf_lut: correct color/comp permutation

Fixes Ticket2225

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=21c2e201f6aa70fe8fdd1b3d87362f16220f4594
---

 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 73f909d..bdfe712 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],