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 | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index 9fc0341..5eb14df 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -389,9 +389,8 @@ static int config_input(AVFilterLink *inlink) chroma_pos2 = ((x) >> (hsub)) + ((y) >> (vsub)) * picref->linesize[2]; \ 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] = (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; \ + picref->data[1][chroma_pos1] = (alpha * yuva_color[1] + (255 - alpha) * picref->data[1][chroma_pos1]) >> 8; \ + picref->data[2][chroma_pos2] = (alpha * yuva_color[2] + (255 - alpha) * picref->data[2][chroma_pos2]) >> 8; \ } static inline int draw_glyph_yuv(AVFilterBufferRef *picref, FT_Bitmap *bitmap, unsigned int x, -- 1.7.4.1 _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel