diff options
Diffstat (limited to 'postproc/swscale_template.c')
| -rw-r--r-- | postproc/swscale_template.c | 4 |
1 files changed, 2 insertions, 2 deletions
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 |