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fixed a bug which caused horizontal lines

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Originally committed as revision 2268 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
This commit is contained in:
Michael Niedermayer 2001-10-19 00:21:07 +00:00
parent 783e9cc9af
commit cd4102261f
2 changed files with 4 additions and 4 deletions
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4
postproc/swscale.c
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@ -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

4
postproc/swscale_template.c
View file

@ -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