From ac973926b8c77087f1d0c2bb57ba3d5c767a784e Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Tue, 2 Jun 2015 18:48:32 +0000 Subject: [PATCH] avfilter/vf_blend: clip result for divide blend mode Pointed-out-by: Rudolf Polzer Signed-off-by: Paul B Mahol --- libavfilter/vf_blend.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c index 5fe704610d..49711acbcb 100644 --- a/libavfilter/vf_blend.c +++ b/libavfilter/vf_blend.c @@ -203,7 +203,7 @@ DEFINE_BLEND(overlay, (A < 128) ? MULTIPLY(2, A, B) : SCREEN(2, A, B)) DEFINE_BLEND(hardlight, (B < 128) ? MULTIPLY(2, B, A) : SCREEN(2, B, A)) DEFINE_BLEND(darken, FFMIN(A, B)) DEFINE_BLEND(lighten, FFMAX(A, B)) -DEFINE_BLEND(divide, ((float)A / ((float)B) * 255)) +DEFINE_BLEND(divide, av_clip_uint8(((float)A / ((float)B) * 255))) DEFINE_BLEND(dodge, DODGE(A, B)) DEFINE_BLEND(burn, BURN(A, B)) DEFINE_BLEND(softlight, (A > 127) ? B + (255 - B) * (A - 127.5) / 127.5 * (0.5 - FFABS(B - 127.5) / 255): B - B * ((127.5 - A) / 127.5) * (0.5 - FFABS(B - 127.5)/255))