RepoMirrors/mpv
1
0
Fork 0
mirror of https://github.com/mpv-player/mpv synced 2025-02-14 19:07:14 +00:00
Code Issues Releases Wiki Activity

xinc scaled by 16 instead of 8

Browse Source 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2275 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-10-19 02:21:47 +00:00
parent 2a680c8d21
commit 793efa116b
3 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libvo/vo_x11.c
View File

@ -178,11 +178,11 @@ static uint32_t init( uint32_t width,uint32_t height,uint32_t d_width,uint32_t d
image_width=vo_screenwidth;
image_height=vo_screenheight;
} else {
image_width=d_width&(~3);
image_width=d_width&(~7);
image_height=d_height;
}
scale_xinc=(width << 8) / image_width - 1; // -1 needed for proper rounding
scale_yinc=(height << 16) / image_height;
scale_xinc=(width << 16) / image_width - 2; // needed for proper rounding
scale_yinc=(height << 16) / image_height +2;
SwScale_Init();
}

4
postproc/swscale.c
View File

@ -71,7 +71,7 @@ static uint8_t funnyUVCode[10000];
// *** bilinear scaling and yuv->rgb conversion of yv12 slices:
// *** Note: it's called multiple times while decoding a frame, first time y==0
// *** Designed to upscale, but may work for downscale too.
// s_xinc = (src_width << 8) / dst_width
// s_xinc = (src_width << 16) / dst_width
// s_yinc = (src_height << 16) / dst_height
void SwScale_YV12slice_brg24(unsigned char* srcptr[],int stride[], int y, int h,
unsigned char* dstptr, int dststride, int dstw, int dstbpp,
@ -104,7 +104,7 @@ static int s_xinc2_diff=0;
int canMMX2BeUsed;
// we need that precission at least for the mmx2 code
s_xinc*= 256;
//s_xinc*= 256;
s_xinc2=s_xinc>>1;
canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0) ? 1 : 0;

4
postproc/swscale_template.c
View File

@ -71,7 +71,7 @@ static uint8_t funnyUVCode[10000];
// *** bilinear scaling and yuv->rgb conversion of yv12 slices:
// *** Note: it's called multiple times while decoding a frame, first time y==0
// *** Designed to upscale, but may work for downscale too.
// s_xinc = (src_width << 8) / dst_width
// s_xinc = (src_width << 16) / dst_width
// s_yinc = (src_height << 16) / dst_height
void SwScale_YV12slice_brg24(unsigned char* srcptr[],int stride[], int y, int h,
unsigned char* dstptr, int dststride, int dstw, int dstbpp,
@ -104,7 +104,7 @@ static int s_xinc2_diff=0;
int canMMX2BeUsed;
// we need that precission at least for the mmx2 code
s_xinc*= 256;
//s_xinc*= 256;
s_xinc2=s_xinc>>1;
canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0) ? 1 : 0;