From 44f9179b602cd7831800b3d35f095d56ff194da0 Mon Sep 17 00:00:00 2001 From: Arpi Date: Fri, 19 Oct 2001 02:21:47 +0000 Subject: [PATCH] xinc scaled by 16 instead of 8 Originally committed as revision 2275 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 02e9650892..3b0e7b9e15 100644 --- a/postproc/swscale.c +++ b/postproc/swscale.c @@ -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; diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c index 02e9650892..3b0e7b9e15 100644 --- a/postproc/swscale_template.c +++ b/postproc/swscale_template.c @@ -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;