From: Michael Niedermayer <michae...@gmx.at>
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
Signed-off-by: Anton Khirnov <an...@khirnov.net>
---
libavfilter/vf_drawtext.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index e216592..9fc0341 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -390,8 +390,8 @@ static int config_input(AVFilterLink *inlink)
alpha = (yuva_color[3] * (val)) / 255; \
picref->data[0][luma_pos] = (alpha * yuva_color[0] + (255 - alpha) *
picref->data[0][luma_pos]) >> 8; \
alpha = (yuva_color[3] * (val)) / 224; \
- picref->data[1][chroma_pos1] = 16 + (alpha * (yuva_color[1]-16) + (224 -
alpha) * (picref->data[1][chroma_pos1]-16)) / 224; \
- picref->data[2][chroma_pos2] = 16 + (alpha * (yuva_color[2]-16) + (224 -
alpha) * (picref->data[2][chroma_pos2]-16)) / 224; \
+ picref->data[1][chroma_pos1] = (alpha * yuva_color[1] + (224 - alpha) *
picref->data[1][chroma_pos1]) / 224; \
+ picref->data[2][chroma_pos2] = (alpha * yuva_color[2] + (224 - alpha) *
picref->data[2][chroma_pos2]) / 224; \
}
static inline int draw_glyph_yuv(AVFilterBufferRef *picref, FT_Bitmap *bitmap,
unsigned int x,
--
1.7.4.1
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