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avfilter/vf_blend: fix vividlight blend mode

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Pointed-out-by: Rudolf Polzer
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-06-02 18:54:37 +00:00
parent ac973926b8
commit 20cea0c7de
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_blend.c
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@ -214,7 +214,7 @@ DEFINE_BLEND(reflect, (B == 255) ? B : FFMIN(255, (A * A / (255 - B))))
DEFINE_BLEND(and, A & B)
DEFINE_BLEND(or, A | B)
DEFINE_BLEND(xor, A ^ B)
DEFINE_BLEND(vividlight, (B < 128) ? BURN(A, 2 * B) : DODGE(A, 2 * (B - 128)))
DEFINE_BLEND(vividlight, (A < 128) ? BURN(2 * A, B) : DODGE(2 * (A - 128), B))
static void blend_expr(const uint8_t *top, int top_linesize,
const uint8_t *bottom, int bottom_linesize,