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-rw-r--r--libswscale/swscale.c2707
1 files changed, 2707 insertions, 0 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
new file mode 100644
index 0000000000..11f774d99a
--- /dev/null
+++ b/libswscale/swscale.c
@@ -0,0 +1,2707 @@
+/*
+ Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+/*
+ supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09
+ supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
+ {BGR,RGB}{1,4,8,15,16} support dithering
+
+ unscaled special converters (YV12=I420=IYUV, Y800=Y8)
+ YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
+ x -> x
+ YUV9 -> YV12
+ YUV9/YV12 -> Y800
+ Y800 -> YUV9/YV12
+ BGR24 -> BGR32 & RGB24 -> RGB32
+ BGR32 -> BGR24 & RGB32 -> RGB24
+ BGR15 -> BGR16
+*/
+
+/*
+tested special converters (most are tested actually but i didnt write it down ...)
+ YV12 -> BGR16
+ YV12 -> YV12
+ BGR15 -> BGR16
+ BGR16 -> BGR16
+ YVU9 -> YV12
+
+untested special converters
+ YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
+ YV12/I420 -> YV12/I420
+ YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
+ BGR24 -> BGR32 & RGB24 -> RGB32
+ BGR32 -> BGR24 & RGB32 -> RGB24
+ BGR24 -> YV12
+*/
+
+#include <inttypes.h>
+#include <string.h>
+#include <math.h>
+#include <stdio.h>
+#include <unistd.h>
+#include "config.h"
+#include "mangle.h"
+#include <assert.h>
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#else
+#include <stdlib.h>
+#endif
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+#endif
+#include "swscale.h"
+#include "swscale_internal.h"
+#include "cpudetect.h"
+#include "bswap.h"
+#include "libvo/img_format.h"
+#include "rgb2rgb.h"
+#include "libvo/fastmemcpy.h"
+
+#undef MOVNTQ
+#undef PAVGB
+
+//#undef HAVE_MMX2
+//#define HAVE_3DNOW
+//#undef HAVE_MMX
+//#undef ARCH_X86
+//#define WORDS_BIGENDIAN
+#define DITHER1XBPP
+
+#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
+
+#define RET 0xC3 //near return opcode for X86
+
+#ifdef MP_DEBUG
+#define ASSERT(x) assert(x);
+#else
+#define ASSERT(x) ;
+#endif
+
+#ifdef M_PI
+#define PI M_PI
+#else
+#define PI 3.14159265358979323846
+#endif
+
+//FIXME replace this with something faster
+#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YVU9 \
+ || (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21 \
+ || (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
+#define isYUV(x) ((x)==IMGFMT_UYVY || (x)==IMGFMT_YUY2 || isPlanarYUV(x))
+#define isGray(x) ((x)==IMGFMT_Y800)
+#define isRGB(x) (((x)&IMGFMT_RGB_MASK)==IMGFMT_RGB)
+#define isBGR(x) (((x)&IMGFMT_BGR_MASK)==IMGFMT_BGR)
+#define isSupportedIn(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
+ || (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15\
+ || (x)==IMGFMT_RGB32|| (x)==IMGFMT_RGB24\
+ || (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9\
+ || (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
+#define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
+ || (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P\
+ || isRGB(x) || isBGR(x)\
+ || (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21\
+ || (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
+#define isPacked(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY ||isRGB(x) || isBGR(x))
+
+#define RGB2YUV_SHIFT 16
+#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
+#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
+#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
+#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
+#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
+#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
+#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
+#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
+#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
+
+extern const int32_t Inverse_Table_6_9[8][4];
+
+/*
+NOTES
+Special versions: fast Y 1:1 scaling (no interpolation in y direction)
+
+TODO
+more intelligent missalignment avoidance for the horizontal scaler
+write special vertical cubic upscale version
+Optimize C code (yv12 / minmax)
+add support for packed pixel yuv input & output
+add support for Y8 output
+optimize bgr24 & bgr32
+add BGR4 output support
+write special BGR->BGR scaler
+*/
+
+#define ABS(a) ((a) > 0 ? (a) : (-(a)))
+#define MIN(a,b) ((a) > (b) ? (b) : (a))
+#define MAX(a,b) ((a) < (b) ? (b) : (a))
+
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+static uint64_t attribute_used __attribute__((aligned(8))) bF8= 0xF8F8F8F8F8F8F8F8LL;
+static uint64_t attribute_used __attribute__((aligned(8))) bFC= 0xFCFCFCFCFCFCFCFCLL;
+static uint64_t __attribute__((aligned(8))) w10= 0x0010001000100010LL;
+static uint64_t attribute_used __attribute__((aligned(8))) w02= 0x0002000200020002LL;
+static uint64_t attribute_used __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL;
+static uint64_t attribute_used __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL;
+static uint64_t attribute_used __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL;
+static uint64_t attribute_used __attribute__((aligned(8))) bm01010101=0x00FF00FF00FF00FFLL;
+
+static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
+static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
+static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
+static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
+
+static uint64_t __attribute__((aligned(8))) dither4[2]={
+ 0x0103010301030103LL,
+ 0x0200020002000200LL,};
+
+static uint64_t __attribute__((aligned(8))) dither8[2]={
+ 0x0602060206020602LL,
+ 0x0004000400040004LL,};
+
+static uint64_t __attribute__((aligned(8))) b16Mask= 0x001F001F001F001FLL;
+static uint64_t attribute_used __attribute__((aligned(8))) g16Mask= 0x07E007E007E007E0LL;
+static uint64_t attribute_used __attribute__((aligned(8))) r16Mask= 0xF800F800F800F800LL;
+static uint64_t __attribute__((aligned(8))) b15Mask= 0x001F001F001F001FLL;
+static uint64_t attribute_used __attribute__((aligned(8))) g15Mask= 0x03E003E003E003E0LL;
+static uint64_t attribute_used __attribute__((aligned(8))) r15Mask= 0x7C007C007C007C00LL;
+
+static uint64_t attribute_used __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
+static uint64_t attribute_used __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
+static uint64_t attribute_used __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
+
+#ifdef FAST_BGR2YV12
+static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL;
+static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
+static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
+#else
+static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL;
+static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
+static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
+#endif
+static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL;
+static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL;
+static const uint64_t w1111 attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL;
+#endif
+
+// clipping helper table for C implementations:
+static unsigned char clip_table[768];
+
+static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b);
+
+extern const uint8_t dither_2x2_4[2][8];
+extern const uint8_t dither_2x2_8[2][8];
+extern const uint8_t dither_8x8_32[8][8];
+extern const uint8_t dither_8x8_73[8][8];
+extern const uint8_t dither_8x8_220[8][8];
+
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+void in_asm_used_var_warning_killer()
+{
+ volatile int i= bF8+bFC+w10+
+ bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+
+ M24A+M24B+M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+dither8[0]+bm01010101;
+ if(i) i=0;
+}
+#endif
+
+static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+ int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+ uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
+{
+ //FIXME Optimize (just quickly writen not opti..)
+ int i;
+ for(i=0; i<dstW; i++)
+ {
+ int val=1<<18;
+ int j;
+ for(j=0; j<lumFilterSize; j++)
+ val += lumSrc[j][i] * lumFilter[j];
+
+ dest[i]= MIN(MAX(val>>19, 0), 255);
+ }
+
+ if(uDest != NULL)
+ for(i=0; i<chrDstW; i++)
+ {
+ int u=1<<18;
+ int v=1<<18;
+ int j;
+ for(j=0; j<chrFilterSize; j++)
+ {
+ u += chrSrc[j][i] * chrFilter[j];
+ v += chrSrc[j][i + 2048] * chrFilter[j];
+ }
+
+ uDest[i]= MIN(MAX(u>>19, 0), 255);
+ vDest[i]= MIN(MAX(v>>19, 0), 255);
+ }
+}
+
+static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+ int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+ uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
+{
+ //FIXME Optimize (just quickly writen not opti..)
+ int i;
+ for(i=0; i<dstW; i++)
+ {
+ int val=1<<18;
+ int j;
+ for(j=0; j<lumFilterSize; j++)
+ val += lumSrc[j][i] * lumFilter[j];
+
+ dest[i]= MIN(MAX(val>>19, 0), 255);
+ }
+
+ if(uDest == NULL)
+ return;
+
+ if(dstFormat == IMGFMT_NV12)
+ for(i=0; i<chrDstW; i++)
+ {
+ int u=1<<18;
+ int v=1<<18;
+ int j;
+ for(j=0; j<chrFilterSize; j++)
+ {
+ u += chrSrc[j][i] * chrFilter[j];
+ v += chrSrc[j][i + 2048] * chrFilter[j];
+ }
+
+ uDest[2*i]= MIN(MAX(u>>19, 0), 255);
+ uDest[2*i+1]= MIN(MAX(v>>19, 0), 255);
+ }
+ else
+ for(i=0; i<chrDstW; i++)
+ {
+ int u=1<<18;
+ int v=1<<18;
+ int j;
+ for(j=0; j<chrFilterSize; j++)
+ {
+ u += chrSrc[j][i] * chrFilter[j];
+ v += chrSrc[j][i + 2048] * chrFilter[j];
+ }
+
+ uDest[2*i]= MIN(MAX(v>>19, 0), 255);
+ uDest[2*i+1]= MIN(MAX(u>>19, 0), 255);
+ }
+}
+
+#define YSCALE_YUV_2_PACKEDX_C(type) \
+ for(i=0; i<(dstW>>1); i++){\
+ int j;\
+ int Y1=1<<18;\
+ int Y2=1<<18;\
+ int U=1<<18;\
+ int V=1<<18;\
+ type *r, *b, *g;\
+ const int i2= 2*i;\
+ \
+ for(j=0; j<lumFilterSize; j++)\
+ {\
+ Y1 += lumSrc[j][i2] * lumFilter[j];\
+ Y2 += lumSrc[j][i2+1] * lumFilter[j];\
+ }\
+ for(j=0; j<chrFilterSize; j++)\
+ {\
+ U += chrSrc[j][i] * chrFilter[j];\
+ V += chrSrc[j][i+2048] * chrFilter[j];\
+ }\
+ Y1>>=19;\
+ Y2>>=19;\
+ U >>=19;\
+ V >>=19;\
+ if((Y1|Y2|U|V)&256)\
+ {\
+ if(Y1>255) Y1=255;\
+ else if(Y1<0)Y1=0;\
+ if(Y2>255) Y2=255;\
+ else if(Y2<0)Y2=0;\
+ if(U>255) U=255;\
+ else if(U<0) U=0;\
+ if(V>255) V=255;\
+ else if(V<0) V=0;\
+ }
+
+#define YSCALE_YUV_2_RGBX_C(type) \
+ YSCALE_YUV_2_PACKEDX_C(type)\
+ r = c->table_rV[V];\
+ g = c->table_gU[U] + c->table_gV[V];\
+ b = c->table_bU[U];\
+
+#define YSCALE_YUV_2_PACKED2_C \
+ for(i=0; i<(dstW>>1); i++){\
+ const int i2= 2*i;\
+ int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19;\
+ int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19;\
+ int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19;\
+ int V= (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19;\
+
+#define YSCALE_YUV_2_RGB2_C(type) \
+ YSCALE_YUV_2_PACKED2_C\
+ type *r, *b, *g;\
+ r = c->table_rV[V];\
+ g = c->table_gU[U] + c->table_gV[V];\
+ b = c->table_bU[U];\
+
+#define YSCALE_YUV_2_PACKED1_C \
+ for(i=0; i<(dstW>>1); i++){\
+ const int i2= 2*i;\
+ int Y1= buf0[i2 ]>>7;\
+ int Y2= buf0[i2+1]>>7;\
+ int U= (uvbuf1[i ])>>7;\
+ int V= (uvbuf1[i+2048])>>7;\
+
+#define YSCALE_YUV_2_RGB1_C(type) \
+ YSCALE_YUV_2_PACKED1_C\
+ type *r, *b, *g;\
+ r = c->table_rV[V];\
+ g = c->table_gU[U] + c->table_gV[V];\
+ b = c->table_bU[U];\
+
+#define YSCALE_YUV_2_PACKED1B_C \
+ for(i=0; i<(dstW>>1); i++){\
+ const int i2= 2*i;\
+ int Y1= buf0[i2 ]>>7;\
+ int Y2= buf0[i2+1]>>7;\
+ int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\
+ int V= (uvbuf0[i+2048] + uvbuf1[i+2048])>>8;\
+
+#define YSCALE_YUV_2_RGB1B_C(type) \
+ YSCALE_YUV_2_PACKED1B_C\
+ type *r, *b, *g;\
+ r = c->table_rV[V];\
+ g = c->table_gU[U] + c->table_gV[V];\
+ b = c->table_bU[U];\
+
+#define YSCALE_YUV_2_ANYRGB_C(func, func2)\
+ switch(c->dstFormat)\
+ {\
+ case IMGFMT_BGR32:\
+ case IMGFMT_RGB32:\
+ func(uint32_t)\
+ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
+ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
+ } \
+ break;\
+ case IMGFMT_RGB24:\
+ func(uint8_t)\
+ ((uint8_t*)dest)[0]= r[Y1];\
+ ((uint8_t*)dest)[1]= g[Y1];\
+ ((uint8_t*)dest)[2]= b[Y1];\
+ ((uint8_t*)dest)[3]= r[Y2];\
+ ((uint8_t*)dest)[4]= g[Y2];\
+ ((uint8_t*)dest)[5]= b[Y2];\
+ dest+=6;\
+ }\
+ break;\
+ case IMGFMT_BGR24:\
+ func(uint8_t)\
+ ((uint8_t*)dest)[0]= b[Y1];\
+ ((uint8_t*)dest)[1]= g[Y1];\
+ ((uint8_t*)dest)[2]= r[Y1];\
+ ((uint8_t*)dest)[3]= b[Y2];\
+ ((uint8_t*)dest)[4]= g[Y2];\
+ ((uint8_t*)dest)[5]= r[Y2];\
+ dest+=6;\
+ }\
+ break;\
+ case IMGFMT_RGB16:\
+ case IMGFMT_BGR16:\
+ {\
+ const int dr1= dither_2x2_8[y&1 ][0];\
+ const int dg1= dither_2x2_4[y&1 ][0];\
+ const int db1= dither_2x2_8[(y&1)^1][0];\
+ const int dr2= dither_2x2_8[y&1 ][1];\
+ const int dg2= dither_2x2_4[y&1 ][1];\
+ const int db2= dither_2x2_8[(y&1)^1][1];\
+ func(uint16_t)\
+ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
+ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
+ }\
+ }\
+ break;\
+ case IMGFMT_RGB15:\
+ case IMGFMT_BGR15:\
+ {\
+ const int dr1= dither_2x2_8[y&1 ][0];\
+ const int dg1= dither_2x2_8[y&1 ][1];\
+ const int db1= dither_2x2_8[(y&1)^1][0];\
+ const int dr2= dither_2x2_8[y&1 ][1];\
+ const int dg2= dither_2x2_8[y&1 ][0];\
+ const int db2= dither_2x2_8[(y&1)^1][1];\
+ func(uint16_t)\
+ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
+ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
+ }\
+ }\
+ break;\
+ case IMGFMT_RGB8:\
+ case IMGFMT_BGR8:\
+ {\
+ const uint8_t * const d64= dither_8x8_73[y&7];\
+ const uint8_t * const d32= dither_8x8_32[y&7];\
+ func(uint8_t)\
+ ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
+ ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
+ }\
+ }\
+ break;\
+ case IMGFMT_RGB4:\
+ case IMGFMT_BGR4:\
+ {\
+ const uint8_t * const d64= dither_8x8_73 [y&7];\
+ const uint8_t * const d128=dither_8x8_220[y&7];\
+ func(uint8_t)\
+ ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
+ + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
+ }\
+ }\
+ break;\
+ case IMGFMT_RG4B:\
+ case IMGFMT_BG4B:\
+ {\
+ const uint8_t * const d64= dither_8x8_73 [y&7];\
+ const uint8_t * const d128=dither_8x8_220[y&7];\
+ func(uint8_t)\
+ ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
+ ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
+ }\
+ }\
+ break;\
+ case IMGFMT_RGB1:\
+ case IMGFMT_BGR1:\
+ {\
+ const uint8_t * const d128=dither_8x8_220[y&7];\
+ uint8_t *g= c->table_gU[128] + c->table_gV[128];\
+ for(i=0; i<dstW-7; i+=8){\
+ int acc;\
+ acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
+ acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
+ acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
+ acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
+ acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
+ acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
+ acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
+ acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
+ ((uint8_t*)dest)[0]= acc;\
+ dest++;\
+ }\
+\
+/*\
+((uint8_t*)dest)-= dstW>>4;\
+{\
+ int acc=0;\
+ int left=0;\
+ static int top[1024];\
+ static int last_new[1024][1024];\
+ static int last_in3[1024][1024];\
+ static int drift[1024][1024];\
+ int topLeft=0;\
+ int shift=0;\
+ int count=0;\
+ const uint8_t * const d128=dither_8x8_220[y&7];\
+ int error_new=0;\
+ int error_in3=0;\
+ int f=0;\
+ \
+ for(i=dstW>>1; i<dstW; i++){\
+ int in= ((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19);\
+ int in2 = (76309 * (in - 16) + 32768) >> 16;\
+ int in3 = (in2 < 0) ? 0 : ((in2 > 255) ? 255 : in2);\
+ int old= (left*7 + topLeft + top[i]*5 + top[i+1]*3)/20 + in3\
+ + (last_new[y][i] - in3)*f/256;\
+ int new= old> 128 ? 255 : 0;\
+\
+ error_new+= ABS(last_new[y][i] - new);\
+ error_in3+= ABS(last_in3[y][i] - in3);\
+ f= error_new - error_in3*4;\
+ if(f<0) f=0;\
+ if(f>256) f=256;\
+\
+ topLeft= top[i];\
+ left= top[i]= old - new;\
+ last_new[y][i]= new;\
+ last_in3[y][i]= in3;\
+\
+ acc+= acc + (new&1);\
+ if((i&7)==6){\
+ ((uint8_t*)dest)[0]= acc;\
+ ((uint8_t*)dest)++;\
+ }\
+ }\
+}\
+*/\
+ }\
+ break;\
+ case IMGFMT_YUY2:\
+ func2\
+ ((uint8_t*)dest)[2*i2+0]= Y1;\
+ ((uint8_t*)dest)[2*i2+1]= U;\
+ ((uint8_t*)dest)[2*i2+2]= Y2;\
+ ((uint8_t*)dest)[2*i2+3]= V;\
+ } \
+ break;\
+ case IMGFMT_UYVY:\
+ func2\
+ ((uint8_t*)dest)[2*i2+0]= U;\
+ ((uint8_t*)dest)[2*i2+1]= Y1;\
+ ((uint8_t*)dest)[2*i2+2]= V;\
+ ((uint8_t*)dest)[2*i2+3]= Y2;\
+ } \
+ break;\
+ }\
+
+
+static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+ int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
+ uint8_t *dest, int dstW, int y)
+{
+ int i;
+ switch(c->dstFormat)
+ {
+ case IMGFMT_RGB32:
+ case IMGFMT_BGR32:
+ YSCALE_YUV_2_RGBX_C(uint32_t)
+ ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];
+ ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];
+ }
+ break;
+ case IMGFMT_RGB24:
+ YSCALE_YUV_2_RGBX_C(uint8_t)
+ ((uint8_t*)dest)[0]= r[Y1];
+ ((uint8_t*)dest)[1]= g[Y1];
+ ((uint8_t*)dest)[2]= b[Y1];
+ ((uint8_t*)dest)[3]= r[Y2];
+ ((uint8_t*)dest)[4]= g[Y2];
+ ((uint8_t*)dest)[5]= b[Y2];
+ dest+=6;
+ }
+ break;
+ case IMGFMT_BGR24:
+ YSCALE_YUV_2_RGBX_C(uint8_t)
+ ((uint8_t*)dest)[0]= b[Y1];
+ ((uint8_t*)dest)[1]= g[Y1];
+ ((uint8_t*)dest)[2]= r[Y1];
+ ((uint8_t*)dest)[3]= b[Y2];
+ ((uint8_t*)dest)[4]= g[Y2];
+ ((uint8_t*)dest)[5]= r[Y2];
+ dest+=6;
+ }
+ break;
+ case IMGFMT_RGB16:
+ case IMGFMT_BGR16:
+ {
+ const int dr1= dither_2x2_8[y&1 ][0];
+ const int dg1= dither_2x2_4[y&1 ][0];
+ const int db1= dither_2x2_8[(y&1)^1][0];
+ const int dr2= dither_2x2_8[y&1 ][1];
+ const int dg2= dither_2x2_4[y&1 ][1];
+ const int db2= dither_2x2_8[(y&1)^1][1];
+ YSCALE_YUV_2_RGBX_C(uint16_t)
+ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
+ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
+ }
+ }
+ break;
+ case IMGFMT_RGB15:
+ case IMGFMT_BGR15:
+ {
+ const int dr1= dither_2x2_8[y&1 ][0];
+ const int dg1= dither_2x2_8[y&1 ][1];
+ const int db1= dither_2x2_8[(y&1)^1][0];
+ const int dr2= dither_2x2_8[y&1 ][1];
+ const int dg2= dither_2x2_8[y&1 ][0];
+ const int db2= dither_2x2_8[(y&1)^1][1];
+ YSCALE_YUV_2_RGBX_C(uint16_t)
+ ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
+ ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
+ }
+ }
+ break;
+ case IMGFMT_RGB8:
+ case IMGFMT_BGR8:
+ {
+ const uint8_t * const d64= dither_8x8_73[y&7];
+ const uint8_t * const d32= dither_8x8_32[y&7];
+ YSCALE_YUV_2_RGBX_C(uint8_t)
+ ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];
+ ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];
+ }
+ }
+ break;
+ case IMGFMT_RGB4:
+ case IMGFMT_BGR4:
+ {
+ const uint8_t * const d64= dither_8x8_73 [y&7];
+ const uint8_t * const d128=dither_8x8_220[y&7];
+ YSCALE_YUV_2_RGBX_C(uint8_t)
+ ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]
+ +((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);
+ }
+ }
+ break;
+ case IMGFMT_RG4B:
+ case IMGFMT_BG4B:
+ {
+ const uint8_t * const d64= dither_8x8_73 [y&7];
+ const uint8_t * const d128=dither_8x8_220[y&7];
+ YSCALE_YUV_2_RGBX_C(uint8_t)
+ ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];
+ ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];
+ }
+ }
+ break;
+ case IMGFMT_RGB1:
+ case IMGFMT_BGR1:
+ {
+ const uint8_t * const d128=dither_8x8_220[y&7];
+ uint8_t *g= c->table_gU[128] + c->table_gV[128];
+ int acc=0;
+ for(i=0; i<dstW-1; i+=2){
+ int j;
+ int Y1=1<<18;
+ int Y2=1<<18;
+
+ for(j=0; j<lumFilterSize; j++)
+ {
+ Y1 += lumSrc[j][i] * lumFilter[j];
+ Y2 += lumSrc[j][i+1] * lumFilter[j];
+ }
+ Y1>>=19;
+ Y2>>=19;
+ if((Y1|Y2)&256)
+ {
+ if(Y1>255) Y1=255;
+ else if(Y1<0)Y1=0;
+ if(Y2>255) Y2=255;
+ else if(Y2<0)Y2=0;
+ }
+ acc+= acc + g[Y1+d128[(i+0)&7]];
+ acc+= acc + g[Y2+d128[(i+1)&7]];
+ if((i&7)==6){
+ ((uint8_t*)dest)[0]= acc;
+ dest++;
+ }
+ }
+ }
+ break;
+ case IMGFMT_YUY2:
+ YSCALE_YUV_2_PACKEDX_C(void)
+ ((uint8_t*)dest)[2*i2+0]= Y1;
+ ((uint8_t*)dest)[2*i2+1]= U;
+ ((uint8_t*)dest)[2*i2+2]= Y2;
+ ((uint8_t*)dest)[2*i2+3]= V;
+ }
+ break;
+ case IMGFMT_UYVY:
+ YSCALE_YUV_2_PACKEDX_C(void)
+ ((uint8_t*)dest)[2*i2+0]= U;
+ ((uint8_t*)dest)[2*i2+1]= Y1;
+ ((uint8_t*)dest)[2*i2+2]= V;
+ ((uint8_t*)dest)[2*i2+3]= Y2;
+ }
+ break;
+ }
+}
+
+
+//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
+//Plain C versions
+#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_C
+#endif
+
+#ifdef ARCH_POWERPC
+#if defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_ALTIVEC
+#endif //HAVE_ALTIVEC
+#endif //ARCH_POWERPC
+
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+
+#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_MMX
+#endif
+
+#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_MMX2
+#endif
+
+#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
+#define COMPILE_3DNOW
+#endif
+#endif //ARCH_X86 || ARCH_X86_64
+
+#undef HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+
+#ifdef COMPILE_C
+#undef HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#undef HAVE_ALTIVEC
+#define RENAME(a) a ## _C
+#include "swscale_template.c"
+#endif
+
+#ifdef ARCH_POWERPC
+#ifdef COMPILE_ALTIVEC
+#undef RENAME
+#define HAVE_ALTIVEC
+#define RENAME(a) a ## _altivec
+#include "swscale_template.c"
+#endif
+#endif //ARCH_POWERPC
+
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+
+//X86 versions
+/*
+#undef RENAME
+#undef HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#define ARCH_X86
+#define RENAME(a) a ## _X86
+#include "swscale_template.c"
+*/
+//MMX versions
+#ifdef COMPILE_MMX
+#undef RENAME
+#define HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#define RENAME(a) a ## _MMX
+#include "swscale_template.c"
+#endif
+
+//MMX2 versions
+#ifdef COMPILE_MMX2
+#undef RENAME
+#define HAVE_MMX
+#define HAVE_MMX2
+#undef HAVE_3DNOW
+#define RENAME(a) a ## _MMX2
+#include "swscale_template.c"
+#endif
+
+//3DNOW versions
+#ifdef COMPILE_3DNOW
+#undef RENAME
+#define HAVE_MMX
+#undef HAVE_MMX2
+#define HAVE_3DNOW
+#define RENAME(a) a ## _3DNow
+#include "swscale_template.c"
+#endif
+
+#endif //ARCH_X86 || ARCH_X86_64
+
+// minor note: the HAVE_xyz is messed up after that line so don't use it
+
+static double getSplineCoeff(double a, double b, double c, double d, double dist)
+{
+// printf("%f %f %f %f %f\n", a,b,c,d,dist);
+ if(dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
+ else return getSplineCoeff( 0.0,
+ b+ 2.0*c + 3.0*d,
+ c + 3.0*d,
+ -b- 3.0*c - 6.0*d,
+ dist-1.0);
+}
+
+static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
+ int srcW, int dstW, int filterAlign, int one, int flags,
+ SwsVector *srcFilter, SwsVector *dstFilter, double param[2])
+{
+ int i;
+ int filterSize;
+ int filter2Size;
+ int minFilterSize;
+ double *filter=NULL;
+ double *filter2=NULL;
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+ if(flags & SWS_CPU_CAPS_MMX)
+ asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
+#endif
+
+ // Note the +1 is for the MMXscaler which reads over the end
+ *filterPos = (int16_t*)memalign(8, (dstW+1)*sizeof(int16_t));
+
+ if(ABS(xInc - 0x10000) <10) // unscaled
+ {
+ int i;
+ filterSize= 1;
+ filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
+ for(i=0; i<dstW*filterSize; i++) filter[i]=0;
+
+ for(i=0; i<dstW; i++)
+ {
+ filter[i*filterSize]=1;
+ (*filterPos)[i]=i;
+ }
+
+ }
+ else if(flags&SWS_POINT) // lame looking point sampling mode
+ {
+ int i;
+ int xDstInSrc;
+ filterSize= 1;
+ filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
+
+ xDstInSrc= xInc/2 - 0x8000;
+ for(i=0; i<dstW; i++)
+ {
+ int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
+
+ (*filterPos)[i]= xx;
+ filter[i]= 1.0;
+ xDstInSrc+= xInc;
+ }
+ }
+ else if((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale
+ {
+ int i;
+ int xDstInSrc;
+ if (flags&SWS_BICUBIC) filterSize= 4;
+ else if(flags&SWS_X ) filterSize= 4;
+ else filterSize= 2; // SWS_BILINEAR / SWS_AREA
+ filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
+
+ xDstInSrc= xInc/2 - 0x8000;
+ for(i=0; i<dstW; i++)
+ {
+ int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
+ int j;
+
+ (*filterPos)[i]= xx;
+ //Bilinear upscale / linear interpolate / Area averaging
+ for(j=0; j<filterSize; j++)
+ {
+ double d= ABS((xx<<16) - xDstInSrc)/(double)(1<<16);
+ double coeff= 1.0 - d;
+ if(coeff<0) coeff=0;
+ filter[i*filterSize + j]= coeff;
+ xx++;
+ }
+ xDstInSrc+= xInc;
+ }
+ }
+ else
+ {
+ double xDstInSrc;
+ double sizeFactor, filterSizeInSrc;
+ const double xInc1= (double)xInc / (double)(1<<16);
+
+ if (flags&SWS_BICUBIC) sizeFactor= 4.0;
+ else if(flags&SWS_X) sizeFactor= 8.0;
+ else if(flags&SWS_AREA) sizeFactor= 1.0; //downscale only, for upscale it is bilinear
+ else if(flags&SWS_GAUSS) sizeFactor= 8.0; // infinite ;)
+ else if(flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? 2.0*param[0] : 6.0;
+ else if(flags&SWS_SINC) sizeFactor= 20.0; // infinite ;)
+ else if(flags&SWS_SPLINE) sizeFactor= 20.0; // infinite ;)
+ else if(flags&SWS_BILINEAR) sizeFactor= 2.0;
+ else {
+ sizeFactor= 0.0; //GCC warning killer
+ ASSERT(0)
+ }
+
+ if(xInc1 <= 1.0) filterSizeInSrc= sizeFactor; // upscale
+ else filterSizeInSrc= sizeFactor*srcW / (double)dstW;
+
+ filterSize= (int)ceil(1 + filterSizeInSrc); // will be reduced later if possible
+ if(filterSize > srcW-2) filterSize=srcW-2;
+
+ filter= (double*)memalign(16, dstW*sizeof(double)*filterSize);
+
+ xDstInSrc= xInc1 / 2.0 - 0.5;
+ for(i=0; i<dstW; i++)
+ {
+ int xx= (int)(xDstInSrc - (filterSize-1)*0.5 + 0.5);
+ int j;
+ (*filterPos)[i]= xx;
+ for(j=0; j<filterSize; j++)
+ {
+ double d= ABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor;
+ double coeff;
+ if(flags & SWS_BICUBIC)
+ {
+ double B= param[0] != SWS_PARAM_DEFAULT ? param[0] : 0.0;
+ double C= param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6;
+
+ if(d<1.0)
+ coeff = (12-9*B-6*C)*d*d*d + (-18+12*B+6*C)*d*d + 6-2*B;
+ else if(d<2.0)
+ coeff = (-B-6*C)*d*d*d + (6*B+30*C)*d*d + (-12*B-48*C)*d +8*B+24*C;
+ else
+ coeff=0.0;
+ }
+/* else if(flags & SWS_X)
+ {
+ double p= param ? param*0.01 : 0.3;
+ coeff = d ? sin(d*PI)/(d*PI) : 1.0;
+ coeff*= pow(2.0, - p*d*d);
+ }*/
+ else if(flags & SWS_X)
+ {
+ double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
+
+ if(d<1.0)
+ coeff = cos(d*PI);
+ else
+ coeff=-1.0;
+ if(coeff<0.0) coeff= -pow(-coeff, A);
+ else coeff= pow( coeff, A);
+ coeff= coeff*0.5 + 0.5;
+ }
+ else if(flags & SWS_AREA)
+ {
+ double srcPixelSize= 1.0/xInc1;
+ if(d + srcPixelSize/2 < 0.5) coeff= 1.0;
+ else if(d - srcPixelSize/2 < 0.5) coeff= (0.5-d)/srcPixelSize + 0.5;
+ else coeff=0.0;
+ }
+ else if(flags & SWS_GAUSS)
+ {
+ double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
+ coeff = pow(2.0, - p*d*d);
+ }
+ else if(flags & SWS_SINC)
+ {
+ coeff = d ? sin(d*PI)/(d*PI) : 1.0;
+ }
+ else if(flags & SWS_LANCZOS)
+ {
+ double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
+ coeff = d ? sin(d*PI)*sin(d*PI/p)/(d*d*PI*PI/p) : 1.0;
+ if(d>p) coeff=0;
+ }
+ else if(flags & SWS_BILINEAR)
+ {
+ coeff= 1.0 - d;
+ if(coeff<0) coeff=0;
+ }
+ else if(flags & SWS_SPLINE)
+ {
+ double p=-2.196152422706632;
+ coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, d);
+ }
+ else {
+ coeff= 0.0; //GCC warning killer
+ ASSERT(0)
+ }
+
+ filter[i*filterSize + j]= coeff;
+ xx++;
+ }
+ xDstInSrc+= xInc1;
+ }
+ }
+
+ /* apply src & dst Filter to filter -> filter2
+ free(filter);
+ */
+ ASSERT(filterSize>0)
+ filter2Size= filterSize;
+ if(srcFilter) filter2Size+= srcFilter->length - 1;
+ if(dstFilter) filter2Size+= dstFilter->length - 1;
+ ASSERT(filter2Size>0)
+ filter2= (double*)memalign(8, filter2Size*dstW*sizeof(double));
+
+ for(i=0; i<dstW; i++)
+ {
+ int j;
+ SwsVector scaleFilter;
+ SwsVector *outVec;
+
+ scaleFilter.coeff= filter + i*filterSize;
+ scaleFilter.length= filterSize;
+
+ if(srcFilter) outVec= sws_getConvVec(srcFilter, &scaleFilter);
+ else outVec= &scaleFilter;
+
+ ASSERT(outVec->length == filter2Size)
+ //FIXME dstFilter
+
+ for(j=0; j<outVec->length; j++)
+ {
+ filter2[i*filter2Size + j]= outVec->coeff[j];
+ }
+
+ (*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2;
+
+ if(outVec != &scaleFilter) sws_freeVec(outVec);
+ }
+ free(filter); filter=NULL;
+
+ /* try to reduce the filter-size (step1 find size and shift left) */
+ // Assume its near normalized (*0.5 or *2.0 is ok but * 0.001 is not)
+ minFilterSize= 0;
+ for(i=dstW-1; i>=0; i--)
+ {
+ int min= filter2Size;
+ int j;
+ double cutOff=0.0;
+
+ /* get rid off near zero elements on the left by shifting left */
+ for(j=0; j<filter2Size; j++)
+ {
+ int k;
+ cutOff += ABS(filter2[i*filter2Size]);
+
+ if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
+
+ /* preserve Monotonicity because the core can't handle the filter otherwise */
+ if(i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break;
+
+ // Move filter coeffs left
+ for(k=1; k<filter2Size; k++)
+ filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
+ filter2[i*filter2Size + k - 1]= 0.0;
+ (*filterPos)[i]++;
+ }
+
+ cutOff=0.0;
+ /* count near zeros on the right */
+ for(j=filter2Size-1; j>0; j--)
+ {
+ cutOff += ABS(filter2[i*filter2Size + j]);
+
+ if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
+ min--;