Module: libav Branch: master Commit: e299cb2cd37330bf58225d45b06dc179f8dd8dac
Author: Derek Buitenhuis <[email protected]> Committer: Derek Buitenhuis <[email protected]> Date: Tue Apr 22 16:42:11 2014 -0400 fic: Simplify alpha blending Signed-off-by: Derek Buitenhuis <[email protected]> --- libavcodec/fic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/fic.c b/libavcodec/fic.c index f5a2ffe..0f9f798 100644 --- a/libavcodec/fic.c +++ b/libavcodec/fic.c @@ -195,7 +195,7 @@ static av_always_inline void fic_alpha_blend(uint8_t *dst, uint8_t *src, int i; for (i = 0; i < size; i++) - dst[i] = (dst[i] * (256 - alpha[i]) + src[i] * alpha[i]) >> 8; + dst[i] += ((src[i] - dst[i]) * alpha[i]) >> 8; } static void fic_draw_cursor(AVCodecContext *avctx, int cur_x, int cur_y) _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
