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swscaler cleanup 

green line at bottom bugfix
green lines in yuv2yuv scaler bugfix

Originally committed as revision 3210 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
tags/v0.5
Michael Niedermayer 24 years ago
parent
6e9b48406c
commit
d1fac6cf52
3 changed files with 125 additions and 129 deletions
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  1. +13
    -17
      postproc/swscale.c
  2. +3
    -6
      postproc/swscale.h
  3. +109
    -106
      postproc/swscale_template.c

+ 13
- 17
postproc/swscale.c View File

@@ -7,6 +7,7 @@

#include <inttypes.h>
#include <string.h>
//#include <stdio.h> //FOR DEBUG ONLY
#include "../config.h"
#include "swscale.h"
#include "../cpudetect.h"
@@ -222,39 +223,34 @@ void in_asm_used_var_warning_killer()
// *** bilinear scaling and yuv->rgb or yuv->yuv 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 << 16) / dst_width
// s_yinc = (src_height << 16) / dst_height
// switching the cpu type during a sliced drawing can have bad effects, like sig11
void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int y, int h,
uint8_t* dstptr[], int dststride, int dstw, int dstbpp,
unsigned int s_xinc,unsigned int s_yinc){
void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int srcSliceY ,
int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
int srcW, int srcH, int dstW, int dstH){

// scaling factors:
//static int s_yinc=(vo_dga_src_height<<16)/vo_dga_vp_height;
//static int s_xinc=(vo_dga_src_width<<8)/vo_dga_vp_width;
#ifdef RUNTIME_CPUDETECT
#ifdef CAN_COMPILE_X86_ASM
// ordered per speed fasterst first
if(gCpuCaps.hasMMX2)
SwScale_YV12slice_MMX2(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_MMX2(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
else if(gCpuCaps.has3DNow)
SwScale_YV12slice_3DNow(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_3DNow(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
else if(gCpuCaps.hasMMX)
SwScale_YV12slice_MMX(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_MMX(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
else
SwScale_YV12slice_C(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#else
SwScale_YV12slice_C(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#endif
#else //RUNTIME_CPUDETECT
#ifdef HAVE_MMX2
SwScale_YV12slice_MMX2(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_MMX2(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#elif defined (HAVE_3DNOW)
SwScale_YV12slice_3DNow(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_3DNow(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#elif defined (HAVE_MMX)
SwScale_YV12slice_MMX(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_MMX(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#else
SwScale_YV12slice_C(srcptr, stride, y, h, dstptr, dststride, dstw, dstbpp, s_xinc, s_yinc);
SwScale_YV12slice_C(srcptr, stride, srcSliceY, srcSliceH, dstptr, dststride, dstbpp, srcW, srcH, dstW, dstH);
#endif
#endif //!RUNTIME_CPUDETECT



+ 3
- 6
postproc/swscale.h View File

@@ -2,12 +2,9 @@
// *** bilinear scaling and yuv->rgb & yuv->yuv 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_yinc = (src_height << 16) / dst_height
// dstbpp == 12 -> yv12 output
void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int y, int h,
uint8_t* dstptr[], int dststride, int dstw, int dstbpp,
unsigned int s_xinc,unsigned int s_yinc);

void SwScale_YV12slice(unsigned char* srcptr[],int stride[], int srcSliceY,
int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
int srcW, int srcH, int dstW, int dstH);
// generating tables
void SwScale_Init();

+ 109
- 106
postproc/swscale_template.c View File

@@ -520,7 +520,7 @@
#endif

static inline void RENAME(yuv2yuv)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstw, int yalpha, int uvalpha)
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int yalpha, int uvalpha)
{
int yalpha1=yalpha^4095;
int uvalpha1=uvalpha^4095;
@@ -530,14 +530,14 @@ static inline void RENAME(yuv2yuv)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvb
asm volatile ("\n\t"::: "memory");
#endif

for(i=0;i<dstw;i++)
for(i=0;i<dstW;i++)
{
((uint8_t*)dest)[i] = (buf0[i]*yalpha1+buf1[i]*yalpha)>>19;
}

if(uvalpha != -1)
{
for(i=0; i<(dstw>>1); i++)
for(i=0; i<(dstW>>1); i++)
{
((uint8_t*)uDest)[i] = (uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19;
((uint8_t*)vDest)[i] = (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19;
@@ -549,7 +549,7 @@ static inline void RENAME(yuv2yuv)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvb
* vertical scale YV12 to RGB
*/
static inline void RENAME(yuv2rgbX)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstw, int yalpha, int uvalpha, int dstbpp)
uint8_t *dest, int dstW, int yalpha, int uvalpha, int dstbpp)
{
int yalpha1=yalpha^4095;
int uvalpha1=uvalpha^4095;
@@ -579,7 +579,7 @@ FULL_YSCALEYUV2RGB
" jb 1b \n\t"


:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -629,7 +629,7 @@ FULL_YSCALEYUV2RGB
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
@@ -663,7 +663,7 @@ FULL_YSCALEYUV2RGB
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -697,7 +697,7 @@ FULL_YSCALEYUV2RGB
"cmpl %5, %%eax \n\t"
" jb 1b \n\t"

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -708,7 +708,7 @@ FULL_YSCALEYUV2RGB
if(dstbpp==32 || dstbpp==24)
{
int i;
for(i=0;i<dstw;i++){
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
@@ -722,7 +722,7 @@ FULL_YSCALEYUV2RGB
else if(dstbpp==16)
{
int i;
for(i=0;i<dstw;i++){
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
@@ -737,7 +737,7 @@ FULL_YSCALEYUV2RGB
else if(dstbpp==15)
{
int i;
for(i=0;i<dstw;i++){
for(i=0;i<dstW;i++){
// vertical linear interpolation && yuv2rgb in a single step:
int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
@@ -760,7 +760,7 @@ FULL_YSCALEYUV2RGB
YSCALEYUV2RGB
WRITEBGR32

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -772,7 +772,7 @@ FULL_YSCALEYUV2RGB
YSCALEYUV2RGB
WRITEBGR24

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
@@ -790,7 +790,7 @@ FULL_YSCALEYUV2RGB

WRITEBGR15

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -808,7 +808,7 @@ FULL_YSCALEYUV2RGB

WRITEBGR16

:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -819,7 +819,7 @@ FULL_YSCALEYUV2RGB
if(dstbpp==32)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
@@ -842,7 +842,7 @@ FULL_YSCALEYUV2RGB
if(dstbpp==24)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
@@ -866,7 +866,7 @@ FULL_YSCALEYUV2RGB
else if(dstbpp==16)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
@@ -891,7 +891,7 @@ FULL_YSCALEYUV2RGB
else if(dstbpp==15)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
int Y2=yuvtab_2568[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19)];
@@ -921,7 +921,7 @@ FULL_YSCALEYUV2RGB
* YV12 to RGB without scaling or interpolating
*/
static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
uint8_t *dest, int dstw, int yalpha, int uvalpha, int dstbpp)
uint8_t *dest, int dstW, int yalpha, int uvalpha, int dstbpp)
{
int uvalpha1=uvalpha^4095;
#ifdef HAVE_MMX
@@ -930,7 +930,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv

if(fullUVIpol || allwaysIpol)
{
RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstW, yalpha, uvalpha, dstbpp);
return;
}
if( yalpha > 2048 ) buf0 = buf1;
@@ -943,7 +943,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
asm volatile(
YSCALEYUV2RGB1
WRITEBGR32
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -954,7 +954,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
"movl %4, %%ebx \n\t"
YSCALEYUV2RGB1
WRITEBGR24
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
@@ -970,7 +970,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -987,7 +987,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
#endif

WRITEBGR16
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -1000,7 +1000,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
asm volatile(
YSCALEYUV2RGB1b
WRITEBGR32
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -1011,7 +1011,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
"movl %4, %%ebx \n\t"
YSCALEYUV2RGB1b
WRITEBGR24
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax", "%ebx"
);
@@ -1027,7 +1027,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
"paddusb r5Dither, %%mm5 \n\t"
#endif
WRITEBGR15
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -1044,7 +1044,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
#endif

WRITEBGR16
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstw),
:: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
"m" (yalpha1), "m" (uvalpha1)
: "%eax"
);
@@ -1057,7 +1057,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
if(dstbpp==32)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
@@ -1080,7 +1080,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
if(dstbpp==24)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
@@ -1104,7 +1104,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
else if(dstbpp==16)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
@@ -1129,7 +1129,7 @@ static inline void RENAME(yuv2rgb1)(uint16_t *buf0, uint16_t *buf1, uint16_t *uv
else if(dstbpp==15)
{
int i;
for(i=0; i<dstw-1; i+=2){
for(i=0; i<dstW-1; i+=2){
// vertical linear interpolation && yuv2rgb in a single step:
int Y1=yuvtab_2568[buf0[i]>>7];
int Y2=yuvtab_2568[buf0[i+1]>>7];
@@ -1404,26 +1404,26 @@ FUNNYUVCODE
#endif
}

static void RENAME(SwScale_YV12slice)(unsigned char* srcptr[],int stride[], int y, int h,
uint8_t* dstptr[], int dststride, int dstw, int dstbpp,
unsigned int s_xinc,unsigned int s_yinc){
static void RENAME(SwScale_YV12slice)(unsigned char* srcptr[],int stride[], int srcSliceY ,
int srcSliceH, uint8_t* dstptr[], int dststride, int dstbpp,
int srcW, int srcH, int dstW, int dstH){

// scaling factors:
//static int s_yinc=(vo_dga_src_height<<16)/vo_dga_vp_height;
//static int s_xinc=(vo_dga_src_width<<8)/vo_dga_vp_width;

unsigned int s_xinc2;
//FIXME do we need th +-2 stuff?
unsigned int s_xinc= (srcW << 16) / dstW - 2;
unsigned int s_yinc= (srcH << 16) / dstH + 2;

static int s_srcypos; // points to the dst Pixels center in the source (0 is the center of pixel 0,0 in src)
static int s_ypos;
static int lumDstYInSrc; // points to the dst Pixels center in the source (0 is the center of pixel 0,0 in src)
static int dstY;

// last horzontally interpolated lines, used to avoid unnecessary calculations
static int s_last_ypos;
static int s_last_y1pos;
static int lastLumSrcY;
static int lastChrSrcY;

#ifdef HAVE_MMX2
// used to detect a horizontal size change
static int old_dstw= -1;
static int old_dstW= -1;
static int old_s_xinc= -1;
#endif

@@ -1431,13 +1431,13 @@ int srcWidth;
int dstUVw;
int i;

if(((dstw + 7)&(~7)) >= dststride) dstw&= ~7;
if(((dstW + 7)&(~7)) >= dststride) dstW&= ~7;

srcWidth= (dstw*s_xinc + 0x8000)>>16;
dstUVw= fullUVIpol ? dstw : dstw/2;
srcWidth= (dstW*s_xinc + 0x8000)>>16;
dstUVw= fullUVIpol ? dstW : dstW/2;

#ifdef HAVE_MMX2
canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0 && (srcWidth&15)==0) ? 1 : 0;
canMMX2BeUsed= (s_xinc <= 0x10000 && (dstW&31)==0 && (srcWidth&15)==0) ? 1 : 0;
#endif

// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
@@ -1446,21 +1446,21 @@ canMMX2BeUsed= (s_xinc <= 0x10000 && (dstw&31)==0 && (srcWidth&15)==0) ? 1 : 0;
// would be like the vertical one, but that would require some special code for the
// first and last pixel
if(canMMX2BeUsed) s_xinc+= 20;
else s_xinc = ((srcWidth-2)<<16)/(dstw-2) - 20;
else s_xinc = ((srcWidth-2)<<16)/(dstW-2) - 20;

if(fullUVIpol && !(dstbpp==12)) s_xinc2= s_xinc>>1;
else s_xinc2= s_xinc;
// force calculation of the horizontal interpolation of the first line

if(y==0){
// printf("dstw %d, srcw %d, mmx2 %d\n", dstw, srcWidth, canMMX2BeUsed);
s_last_ypos=-99;
s_last_y1pos=-99;
s_srcypos= s_yinc/2 - 0x8000;
s_ypos=0;
if(srcSliceY ==0){
// printf("dstW %d, srcw %d, mmx2 %d\n", dstW, srcWidth, canMMX2BeUsed);
lastLumSrcY=-99;
lastChrSrcY=-99;
lumDstYInSrc= s_yinc/2 - 0x8000;
dstY=0;

// clean the buffers so that no green stuff is drawen if the width is not sane (%8=0)
for(i=dstw-2; i<dstw+20; i++)
for(i=dstW-2; i<dstW+20; i++)
{
pix_buf_uv[0][i] = pix_buf_uv[1][i]
= pix_buf_uv[0][2048+i] = pix_buf_uv[1][2048+i] = 128*128;
@@ -1471,7 +1471,7 @@ else s_xinc2= s_xinc;

#ifdef HAVE_MMX2
// cant downscale !!!
if((old_s_xinc != s_xinc || old_dstw!=dstw) && canMMX2BeUsed)
if((old_s_xinc != s_xinc || old_dstW!=dstW) && canMMX2BeUsed)
{
uint8_t *fragment;
int imm8OfPShufW1;
@@ -1481,7 +1481,7 @@ else s_xinc2= s_xinc;
int xpos, i;

old_s_xinc= s_xinc;
old_dstw= dstw;
old_dstW= dstW;

// create an optimized horizontal scaling routine

@@ -1533,10 +1533,10 @@ else s_xinc2= s_xinc;

/* choose xinc so that all 8 parts fit exactly
Note: we cannot use just 1 part because it would not fit in the code cache */
// s_xinc2_diff= -((((s_xinc2*(dstw/8))&0xFFFF))/(dstw/8))-10;
// s_xinc_diff= -((((s_xinc*(dstw/8))&0xFFFF))/(dstw/8));
// s_xinc2_diff= -((((s_xinc2*(dstW/8))&0xFFFF))/(dstW/8))-10;
// s_xinc_diff= -((((s_xinc*(dstW/8))&0xFFFF))/(dstW/8));
#ifdef ALT_ERROR
// s_xinc2_diff+= ((0x10000/(dstw/8)));
// s_xinc2_diff+= ((0x10000/(dstW/8)));
#endif
// s_xinc_diff= s_xinc2_diff*2;

@@ -1545,7 +1545,7 @@ else s_xinc2= s_xinc;

// old_s_xinc= s_xinc;

for(i=0; i<dstw/8; i++)
for(i=0; i<dstW/8; i++)
{
int xx=xpos>>16;

@@ -1604,96 +1604,99 @@ else s_xinc2= s_xinc;
} // reset counters

while(1){
unsigned char *dest =dstptr[0]+dststride*s_ypos;
unsigned char *uDest=dstptr[1]+(dststride>>1)*(s_ypos>>1);
unsigned char *vDest=dstptr[2]+(dststride>>1)*(s_ypos>>1);
unsigned char *dest =dstptr[0]+dststride*dstY;
unsigned char *uDest=dstptr[1]+(dststride>>1)*(dstY>>1);
unsigned char *vDest=dstptr[2]+(dststride>>1)*(dstY>>1);

int y0=(s_srcypos + 0xFFFF)>>16; // first luminance source line number below the dst line
int lumSrcY=(lumDstYInSrc + 0xFFFF)>>16; // first luminance source line number below the dst line
// points to the dst Pixels center in the source (0 is the center of pixel 0,0 in src)
int srcuvpos= dstbpp==12 ? s_srcypos + s_yinc/2 - 0x8000 :
s_srcypos - 0x8000;
int y1=(srcuvpos + 0x1FFFF)>>17; // first chrominance source line number below the dst line
int yalpha=((s_srcypos-1)&0xFFFF)>>4;
int uvalpha=((srcuvpos-1)&0x1FFFF)>>5;
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
uint16_t *uvbuf0=pix_buf_uv[y1&1]; // top line of the interpolated slice
uint16_t *uvbuf1=pix_buf_uv[(y1+1)&1]; // bottom line of the interpolated slice
int chrDstYInSrc= dstbpp==12 ? lumDstYInSrc + s_yinc/2 - 0x8000 :
lumDstYInSrc - 0x8000;
int chrSrcY=(chrDstYInSrc + 0x1FFFF)>>17; // first chrominance source line number below the dst line
int yalpha= ((lumDstYInSrc-1)&0xFFFF )>>4;
int uvalpha=((chrDstYInSrc-1)&0x1FFFF)>>5;
uint16_t *buf0=pix_buf_y[ lumSrcY &1]; // top line of the interpolated slice
uint16_t *buf1=pix_buf_y[(lumSrcY+1)&1]; // bottom line of the interpolated slice
uint16_t *uvbuf0=pix_buf_uv[ chrSrcY &1]; // top line of the interpolated slice
uint16_t *uvbuf1=pix_buf_uv[(chrSrcY+1)&1]; // bottom line of the interpolated slice

if(y0>=y+h) break; // FIXME wrong, skips last lines, but they are dupliactes anyway
// if(lumSrcY>=srcSliceY + srcSliceH) break; // wrong, skips last lines, but they are dupliactes anyway
if(dstY >= dstH) break;

if((y0&1) && dstbpp==12) uvalpha=-1; // there is no alpha if there is no line
// printf("lumSrcY:%d, dstY:%d, yalpha:%d\n", lumSrcY, dstY, yalpha*100/0x1000);

s_ypos++; s_srcypos+=s_yinc;
if((dstY&1) && dstbpp==12) uvalpha=-1;

dstY++; lumDstYInSrc+=s_yinc;

//only interpolate the src line horizontally if we didnt do it allready
if(s_last_ypos!=y0)
if(lastLumSrcY!=lumSrcY)
{
unsigned char *src;
// skip if first line has been horiz scaled alleady
if(s_last_ypos != y0-1)
if(lastLumSrcY != lumSrcY-1)
{
// check if first line is before any available src lines
if(y0-1 < y) src=srcptr[0]+(0 )*stride[0];
else src=srcptr[0]+(y0-y-1)*stride[0];
if(lumSrcY-1 < srcSliceY ) src=srcptr[0]+(0 )*stride[0];
else src=srcptr[0]+(lumSrcY-srcSliceY -1)*stride[0];

RENAME(hyscale)(buf0, dstw, src, srcWidth, s_xinc);
RENAME(hyscale)(buf0, dstW, src, srcWidth, s_xinc);
}
// check if second line is after any available src lines
if(y0-y >= h) src=srcptr[0]+(h-1)*stride[0];
else src=srcptr[0]+(y0-y)*stride[0];
if(lumSrcY-srcSliceY >= srcSliceH) src=srcptr[0]+(srcSliceH-1 )*stride[0];
else src=srcptr[0]+(lumSrcY-srcSliceY )*stride[0];

// the min() is required to avoid reuseing lines which where not available
s_last_ypos= MIN(y0, y+h-1);
RENAME(hyscale)(buf1, dstw, src, srcWidth, s_xinc);
lastLumSrcY= MIN(lumSrcY, srcSliceY +srcSliceH-1);
RENAME(hyscale)(buf1, dstW, src, srcWidth, s_xinc);
}
// printf("%d %d %d %d\n", y, y1, s_last_y1pos, h);
// printf("%d %d %d %d\n", y, chrSrcY, lastChrSrcY, h);
// *** horizontal scale U and V lines to temp buffer
if(s_last_y1pos!=y1)
if(lastChrSrcY!=chrSrcY)
{
uint8_t *src1, *src2;
// skip if first line has been horiz scaled alleady
if(s_last_y1pos != y1-1)
if(lastChrSrcY != chrSrcY-1)
{
// check if first line is before any available src lines
if(y1-y/2-1 < 0)
if(chrSrcY-srcSliceY /2-1 < 0)
{
src1= srcptr[1]+(0)*stride[1];
src2= srcptr[2]+(0)*stride[2];
}else{
src1= srcptr[1]+(y1-y/2-1)*stride[1];
src2= srcptr[2]+(y1-y/2-1)*stride[2];
src1= srcptr[1]+(chrSrcY-srcSliceY /2-1)*stride[1];
src2= srcptr[2]+(chrSrcY-srcSliceY /2-1)*stride[2];
}
RENAME(hcscale)(uvbuf0, dstUVw, src1, src2, srcWidth, s_xinc2);
}

// check if second line is after any available src lines
if(y1 - y/2 >= h/2)
if(chrSrcY - srcSliceY /2 >= srcSliceH/2)
{
src1= srcptr[1]+(h/2-1)*stride[1];
src2= srcptr[2]+(h/2-1)*stride[2];
src1= srcptr[1]+(srcSliceH/2-1)*stride[1];
src2= srcptr[2]+(srcSliceH/2-1)*stride[2];
}else{
src1= srcptr[1]+(y1-y/2)*stride[1];
src2= srcptr[2]+(y1-y/2)*stride[2];
src1= srcptr[1]+(chrSrcY-srcSliceY /2)*stride[1];
src2= srcptr[2]+(chrSrcY-srcSliceY /2)*stride[2];
}
RENAME(hcscale)(uvbuf1, dstUVw, src1, src2, srcWidth, s_xinc2);

// the min() is required to avoid reuseing lines which where not available
s_last_y1pos= MIN(y1, y/2+h/2-1);
lastChrSrcY= MIN(chrSrcY, srcSliceY /2+srcSliceH/2-1);
}
#ifdef HAVE_MMX
b5Dither= dither8[s_ypos&1];
g6Dither= dither4[s_ypos&1];
g5Dither= dither8[s_ypos&1];
r5Dither= dither8[(s_ypos+1)&1];
b5Dither= dither8[dstY&1];
g6Dither= dither4[dstY&1];
g5Dither= dither8[dstY&1];
r5Dither= dither8[(dstY+1)&1];
#endif

if(dstbpp==12) //YV12
RENAME(yuv2yuv)(buf0, buf1, uvbuf0, uvbuf1, dest, uDest, vDest, dstw, yalpha, uvalpha);
RENAME(yuv2yuv)(buf0, buf1, uvbuf0, uvbuf1, dest, uDest, vDest, dstW, yalpha, uvalpha);
else if(ABS(s_yinc - 0x10000) < 10)
RENAME(yuv2rgb1)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
RENAME(yuv2rgb1)(buf0, buf1, uvbuf0, uvbuf1, dest, dstW, yalpha, uvalpha, dstbpp);
else
RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstw, yalpha, uvalpha, dstbpp);
RENAME(yuv2rgbX)(buf0, buf1, uvbuf0, uvbuf1, dest, dstW, yalpha, uvalpha, dstbpp);
}

#ifdef HAVE_MMX


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