From ac0ad729810bab712e376c7f2be99be25b2bfa6f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 10 Sep 2008 22:41:55 +0000
Subject: [PATCH] Make the 2point linear interpolation coefficients correct
even for the nearly never occuring 0.0, 1.0.
Originally committed as revision 27574 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
---
libswscale/swscale_template.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libswscale/swscale_template.c b/libswscale/swscale_template.c
index 6048bfc90b0..d11e130f1ca 100644
--- a/libswscale/swscale_template.c
+++ b/libswscale/swscale_template.c
@@ -1204,8 +1204,8 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_
static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
{
- int yalpha1=yalpha^4095;
- int uvalpha1=uvalpha^4095;
+ int yalpha1=4095- yalpha;
+ int uvalpha1=4095-uvalpha;
int i;
#if 0 //isn't used
--
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