From cd4102261f610a4e63220413be8bd297731a0cac Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 19 Oct 2001 00:21:07 +0000 Subject: [PATCH] fixed a bug which caused horizontal lines Originally committed as revision 2268 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc --- postproc/swscale.c | 4 ++-- postproc/swscale_template.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/postproc/swscale.c b/postproc/swscale.c index 049099abcb..368c84cc1e 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -254,9 +254,9 @@ canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0) ? 1 : 0; // points to the dst Pixels center in the source (0 is the center of pixel 0,0 in src) int srcuvpos= s_srcypos + s_yinc/2 - 0x8000; int y1=(srcuvpos + 0x1FFFF)>>17; // first chrominance source line number below the dst line - int yalpha=(s_srcypos&0xFFFF)>>7; + int yalpha=((s_srcypos-1)&0xFFFF)>>7; int yalpha1=yalpha^511; - int uvalpha=(srcuvpos&0x1FFFF)>>8; + int uvalpha=((srcuvpos-1)&0x1FFFF)>>8; int uvalpha1=uvalpha^511; uint16_t *buf0=pix_buf_y[y0&1]; // top line of the interpolated slice uint16_t *buf1=pix_buf_y[((y0+1)&1)]; // bottom line of the interpolated slice diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 049099abcb..368c84cc1e 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -254,9 +254,9 @@ canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0) ? 1 : 0; // points to the dst Pixels center in the source (0 is the center of pixel 0,0 in src) int srcuvpos= s_srcypos + s_yinc/2 - 0x8000; int y1=(srcuvpos + 0x1FFFF)>>17; // first chrominance source line number below the dst line - int yalpha=(s_srcypos&0xFFFF)>>7; + int yalpha=((s_srcypos-1)&0xFFFF)>>7; int yalpha1=yalpha^511; - int uvalpha=(srcuvpos&0x1FFFF)>>8; + int uvalpha=((srcuvpos-1)&0x1FFFF)>>8; int uvalpha1=uvalpha^511; uint16_t *buf0=pix_buf_y[y0&1]; // top line of the interpolated slice uint16_t *buf1=pix_buf_y[((y0+1)&1)]; // bottom line of the interpolated slice