make modified YUV model default

diff --git a/src/yuv.c b/src/yuv.c
index ec22fde..693aa19 100644 (file)
--- a/src/yuv.c
+++ b/src/yuv.c
@@ -8,7 +8,7 @@ double black_level = 0.00;
 double white_level = 1.00;
 int scale_levels = 0; /* scale between black and white level */
 double fade_level = 0.20;
-int yuv_mod = 0; /* UV vectors are not affected by lightness of the pixle */
+int yuv_mod = 1; /* UV vectors are not affected by lightness of the pixle */
 
 /* Modified YUV:
  *