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Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8/Y800, YVU9/IF09
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supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09
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{BGR,RGB}{1,4,8,15,16} support dithering
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unscaled special converters (YV12=I420=IYUV, Y800=Y8)
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YV12 -> {BGR,RGB}{1,4,8,15,16,24,32}
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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tested special converters (most are tested actually but i didnt write it down ...)
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untested special converters
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YV12/I420 -> BGR15/BGR24/BGR32 (its the yuv2rgb stuff, so it should be ok)
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YV12/I420 -> YV12/I420
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YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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#ifdef HAVE_SYS_MMAN_H
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#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
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#define MAP_ANONYMOUS MAP_ANON
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#include "swscale_internal.h"
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#include "cpudetect.h"
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#include "libvo/img_format.h"
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#include "libvo/fastmemcpy.h"
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//#define WORDS_BIGENDIAN
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#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
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#define RET 0xC3 //near return opcode for X86
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#define ASSERT(x) assert(x);
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#define PI 3.14159265358979323846
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//FIXME replace this with something faster
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#define isPlanarYUV(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YVU9 \
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|| (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21 \
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
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#define isYUV(x) ((x)==IMGFMT_UYVY || (x)==IMGFMT_YUY2 || isPlanarYUV(x))
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#define isGray(x) ((x)==IMGFMT_Y800)
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#define isRGB(x) (((x)&IMGFMT_RGB_MASK)==IMGFMT_RGB)
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#define isBGR(x) (((x)&IMGFMT_BGR_MASK)==IMGFMT_BGR)
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#define isSupportedIn(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
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|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15\
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|| (x)==IMGFMT_RGB32|| (x)==IMGFMT_RGB24\
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|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9\
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P)
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#define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY\
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|| (x)==IMGFMT_444P || (x)==IMGFMT_422P || (x)==IMGFMT_411P\
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|| isRGB(x) || isBGR(x)\
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|| (x)==IMGFMT_NV12 || (x)==IMGFMT_NV21\
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|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
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#define isPacked(x) ((x)==IMGFMT_YUY2 || (x)==IMGFMT_UYVY ||isRGB(x) || isBGR(x))
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#define RGB2YUV_SHIFT 16
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
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#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
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#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
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#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
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extern const int32_t Inverse_Table_6_9[8][4];
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Special versions: fast Y 1:1 scaling (no interpolation in y direction)
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more intelligent missalignment avoidance for the horizontal scaler
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write special vertical cubic upscale version
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Optimize C code (yv12 / minmax)
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add support for packed pixel yuv input & output
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add support for Y8 output
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optimize bgr24 & bgr32
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add BGR4 output support
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write special BGR->BGR scaler
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#define ABS(a) ((a) > 0 ? (a) : (-(a)))
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#define MIN(a,b) ((a) > (b) ? (b) : (a))
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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static uint64_t attribute_used __attribute__((aligned(8))) bF8= 0xF8F8F8F8F8F8F8F8LL;
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static uint64_t attribute_used __attribute__((aligned(8))) bFC= 0xFCFCFCFCFCFCFCFCLL;
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static uint64_t __attribute__((aligned(8))) w10= 0x0010001000100010LL;
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static uint64_t attribute_used __attribute__((aligned(8))) w02= 0x0002000200020002LL;
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static uint64_t attribute_used __attribute__((aligned(8))) bm00001111=0x00000000FFFFFFFFLL;
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static uint64_t attribute_used __attribute__((aligned(8))) bm00000111=0x0000000000FFFFFFLL;
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static uint64_t attribute_used __attribute__((aligned(8))) bm11111000=0xFFFFFFFFFF000000LL;
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static uint64_t attribute_used __attribute__((aligned(8))) bm01010101=0x00FF00FF00FF00FFLL;
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static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
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static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
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static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
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static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
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static uint64_t __attribute__((aligned(8))) dither4[2]={
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0x0103010301030103LL,
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0x0200020002000200LL,};
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static uint64_t __attribute__((aligned(8))) dither8[2]={
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0x0602060206020602LL,
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0x0004000400040004LL,};
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static uint64_t __attribute__((aligned(8))) b16Mask= 0x001F001F001F001FLL;
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static uint64_t attribute_used __attribute__((aligned(8))) g16Mask= 0x07E007E007E007E0LL;
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static uint64_t attribute_used __attribute__((aligned(8))) r16Mask= 0xF800F800F800F800LL;
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static uint64_t __attribute__((aligned(8))) b15Mask= 0x001F001F001F001FLL;
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static uint64_t attribute_used __attribute__((aligned(8))) g15Mask= 0x03E003E003E003E0LL;
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static uint64_t attribute_used __attribute__((aligned(8))) r15Mask= 0x7C007C007C007C00LL;
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static uint64_t attribute_used __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFLL;
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static uint64_t attribute_used __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00LL;
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static uint64_t attribute_used __attribute__((aligned(8))) M24C= 0x0000FF0000FF0000LL;
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static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL;
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static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
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static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
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static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL;
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static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
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static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
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static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL;
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static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL;
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static const uint64_t w1111 attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL;
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// clipping helper table for C implementations:
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static unsigned char clip_table[768];
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static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b);
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extern const uint8_t dither_2x2_4[2][8];
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extern const uint8_t dither_2x2_8[2][8];
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extern const uint8_t dither_8x8_32[8][8];
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extern const uint8_t dither_8x8_73[8][8];
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extern const uint8_t dither_8x8_220[8][8];
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#if defined(ARCH_X86) || defined(ARCH_X86_64)
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void in_asm_used_var_warning_killer()
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volatile int i= bF8+bFC+w10+
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bm00001111+bm00000111+bm11111000+b16Mask+g16Mask+r16Mask+b15Mask+g15Mask+r15Mask+
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M24A+M24B+M24C+w02 + b5Dither+g5Dither+r5Dither+g6Dither+dither4[0]+dither8[0]+bm01010101;
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static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
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uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
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//FIXME Optimize (just quickly writen not opti..)
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for(i=0; i<dstW; i++)
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for(j=0; j<lumFilterSize; j++)
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val += lumSrc[j][i] * lumFilter[j];
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dest[i]= MIN(MAX(val>>19, 0), 255);
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for(i=0; i<chrDstW; i++)
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for(j=0; j<chrFilterSize; j++)
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u += chrSrc[j][i] * chrFilter[j];
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v += chrSrc[j][i + 2048] * chrFilter[j];
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uDest[i]= MIN(MAX(u>>19, 0), 255);
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vDest[i]= MIN(MAX(v>>19, 0), 255);
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static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
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uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
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//FIXME Optimize (just quickly writen not opti..)
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for(i=0; i<dstW; i++)
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for(j=0; j<lumFilterSize; j++)
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val += lumSrc[j][i] * lumFilter[j];
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dest[i]= MIN(MAX(val>>19, 0), 255);
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if(dstFormat == IMGFMT_NV12)
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for(i=0; i<chrDstW; i++)
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for(j=0; j<chrFilterSize; j++)
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u += chrSrc[j][i] * chrFilter[j];
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v += chrSrc[j][i + 2048] * chrFilter[j];
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uDest[2*i]= MIN(MAX(u>>19, 0), 255);
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uDest[2*i+1]= MIN(MAX(v>>19, 0), 255);
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for(i=0; i<chrDstW; i++)
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for(j=0; j<chrFilterSize; j++)
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u += chrSrc[j][i] * chrFilter[j];
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v += chrSrc[j][i + 2048] * chrFilter[j];
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uDest[2*i]= MIN(MAX(v>>19, 0), 255);
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uDest[2*i+1]= MIN(MAX(u>>19, 0), 255);
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#define YSCALE_YUV_2_PACKEDX_C(type) \
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for(i=0; i<(dstW>>1); i++){\
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for(j=0; j<lumFilterSize; j++)\
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Y1 += lumSrc[j][i2] * lumFilter[j];\
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Y2 += lumSrc[j][i2+1] * lumFilter[j];\
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for(j=0; j<chrFilterSize; j++)\
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U += chrSrc[j][i] * chrFilter[j];\
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V += chrSrc[j][i+2048] * chrFilter[j];\
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#define YSCALE_YUV_2_RGBX_C(type) \
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YSCALE_YUV_2_PACKEDX_C(type)\
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g = c->table_gU[U] + c->table_gV[V];\
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#define YSCALE_YUV_2_PACKED2_C \
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for(i=0; i<(dstW>>1); i++){\
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int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19;\
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int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19;\
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int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19;\
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int V= (uvbuf0[i+2048]*uvalpha1+uvbuf1[i+2048]*uvalpha)>>19;\
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#define YSCALE_YUV_2_RGB2_C(type) \
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YSCALE_YUV_2_PACKED2_C\
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g = c->table_gU[U] + c->table_gV[V];\
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#define YSCALE_YUV_2_PACKED1_C \
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for(i=0; i<(dstW>>1); i++){\
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int Y1= buf0[i2 ]>>7;\
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int Y2= buf0[i2+1]>>7;\
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int U= (uvbuf1[i ])>>7;\
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int V= (uvbuf1[i+2048])>>7;\
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#define YSCALE_YUV_2_RGB1_C(type) \
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YSCALE_YUV_2_PACKED1_C\
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g = c->table_gU[U] + c->table_gV[V];\
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#define YSCALE_YUV_2_PACKED1B_C \
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for(i=0; i<(dstW>>1); i++){\
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int Y1= buf0[i2 ]>>7;\
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int Y2= buf0[i2+1]>>7;\
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int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\
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int V= (uvbuf0[i+2048] + uvbuf1[i+2048])>>8;\
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#define YSCALE_YUV_2_RGB1B_C(type) \
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YSCALE_YUV_2_PACKED1B_C\
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g = c->table_gU[U] + c->table_gV[V];\
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#define YSCALE_YUV_2_ANYRGB_C(func, func2)\
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switch(c->dstFormat)\
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((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
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((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
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((uint8_t*)dest)[0]= r[Y1];\
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((uint8_t*)dest)[1]= g[Y1];\
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((uint8_t*)dest)[2]= b[Y1];\
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((uint8_t*)dest)[3]= r[Y2];\
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((uint8_t*)dest)[4]= g[Y2];\
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((uint8_t*)dest)[5]= b[Y2];\
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((uint8_t*)dest)[0]= b[Y1];\
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((uint8_t*)dest)[1]= g[Y1];\
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((uint8_t*)dest)[2]= r[Y1];\
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((uint8_t*)dest)[3]= b[Y2];\
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((uint8_t*)dest)[4]= g[Y2];\
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((uint8_t*)dest)[5]= r[Y2];\
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const int dr1= dither_2x2_8[y&1 ][0];\
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const int dg1= dither_2x2_4[y&1 ][0];\
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const int db1= dither_2x2_8[(y&1)^1][0];\
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const int dr2= dither_2x2_8[y&1 ][1];\
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const int dg2= dither_2x2_4[y&1 ][1];\
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const int db2= dither_2x2_8[(y&1)^1][1];\
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((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
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((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
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const int dr1= dither_2x2_8[y&1 ][0];\
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const int dg1= dither_2x2_8[y&1 ][1];\
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const int db1= dither_2x2_8[(y&1)^1][0];\
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const int dr2= dither_2x2_8[y&1 ][1];\
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const int dg2= dither_2x2_8[y&1 ][0];\
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const int db2= dither_2x2_8[(y&1)^1][1];\
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((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
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((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
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const uint8_t * const d64= dither_8x8_73[y&7];\
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const uint8_t * const d32= dither_8x8_32[y&7];\
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((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
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((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
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const uint8_t * const d64= dither_8x8_73 [y&7];\
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const uint8_t * const d128=dither_8x8_220[y&7];\
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((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
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+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
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const uint8_t * const d64= dither_8x8_73 [y&7];\
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const uint8_t * const d128=dither_8x8_220[y&7];\
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((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
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((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
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const uint8_t * const d128=dither_8x8_220[y&7];\
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uint8_t *g= c->table_gU[128] + c->table_gV[128];\
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for(i=0; i<dstW-7; i+=8){\
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acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
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acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
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acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
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acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
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acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
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acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
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acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
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acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
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((uint8_t*)dest)[0]= acc;\
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((uint8_t*)dest)-= dstW>>4;\
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static int top[1024];\
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static int last_new[1024][1024];\
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static int last_in3[1024][1024];\
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static int drift[1024][1024];\
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const uint8_t * const d128=dither_8x8_220[y&7];\
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for(i=dstW>>1; i<dstW; i++){\
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int in= ((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19);\
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int in2 = (76309 * (in - 16) + 32768) >> 16;\
531
int in3 = (in2 < 0) ? 0 : ((in2 > 255) ? 255 : in2);\
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int old= (left*7 + topLeft + top[i]*5 + top[i+1]*3)/20 + in3\
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+ (last_new[y][i] - in3)*f/256;\
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int new= old> 128 ? 255 : 0;\
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error_new+= ABS(last_new[y][i] - new);\
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error_in3+= ABS(last_in3[y][i] - in3);\
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f= error_new - error_in3*4;\
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left= top[i]= old - new;\
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last_new[y][i]= new;\
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last_in3[y][i]= in3;\
547
acc+= acc + (new&1);\
549
((uint8_t*)dest)[0]= acc;\
559
((uint8_t*)dest)[2*i2+0]= Y1;\
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((uint8_t*)dest)[2*i2+1]= U;\
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((uint8_t*)dest)[2*i2+2]= Y2;\
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((uint8_t*)dest)[2*i2+3]= V;\
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((uint8_t*)dest)[2*i2+0]= U;\
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((uint8_t*)dest)[2*i2+1]= Y1;\
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((uint8_t*)dest)[2*i2+2]= V;\
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((uint8_t*)dest)[2*i2+3]= Y2;\
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static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
578
uint8_t *dest, int dstW, int y)
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YSCALE_YUV_2_RGBX_C(uint32_t)
586
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];
587
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];
591
YSCALE_YUV_2_RGBX_C(uint8_t)
592
((uint8_t*)dest)[0]= r[Y1];
593
((uint8_t*)dest)[1]= g[Y1];
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((uint8_t*)dest)[2]= b[Y1];
595
((uint8_t*)dest)[3]= r[Y2];
596
((uint8_t*)dest)[4]= g[Y2];
597
((uint8_t*)dest)[5]= b[Y2];
602
YSCALE_YUV_2_RGBX_C(uint8_t)
603
((uint8_t*)dest)[0]= b[Y1];
604
((uint8_t*)dest)[1]= g[Y1];
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((uint8_t*)dest)[2]= r[Y1];
606
((uint8_t*)dest)[3]= b[Y2];
607
((uint8_t*)dest)[4]= g[Y2];
608
((uint8_t*)dest)[5]= r[Y2];
615
const int dr1= dither_2x2_8[y&1 ][0];
616
const int dg1= dither_2x2_4[y&1 ][0];
617
const int db1= dither_2x2_8[(y&1)^1][0];
618
const int dr2= dither_2x2_8[y&1 ][1];
619
const int dg2= dither_2x2_4[y&1 ][1];
620
const int db2= dither_2x2_8[(y&1)^1][1];
621
YSCALE_YUV_2_RGBX_C(uint16_t)
622
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
623
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
630
const int dr1= dither_2x2_8[y&1 ][0];
631
const int dg1= dither_2x2_8[y&1 ][1];
632
const int db1= dither_2x2_8[(y&1)^1][0];
633
const int dr2= dither_2x2_8[y&1 ][1];
634
const int dg2= dither_2x2_8[y&1 ][0];
635
const int db2= dither_2x2_8[(y&1)^1][1];
636
YSCALE_YUV_2_RGBX_C(uint16_t)
637
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
638
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
645
const uint8_t * const d64= dither_8x8_73[y&7];
646
const uint8_t * const d32= dither_8x8_32[y&7];
647
YSCALE_YUV_2_RGBX_C(uint8_t)
648
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];
649
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];
656
const uint8_t * const d64= dither_8x8_73 [y&7];
657
const uint8_t * const d128=dither_8x8_220[y&7];
658
YSCALE_YUV_2_RGBX_C(uint8_t)
659
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]
660
+((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);
667
const uint8_t * const d64= dither_8x8_73 [y&7];
668
const uint8_t * const d128=dither_8x8_220[y&7];
669
YSCALE_YUV_2_RGBX_C(uint8_t)
670
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];
671
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];
678
const uint8_t * const d128=dither_8x8_220[y&7];
679
uint8_t *g= c->table_gU[128] + c->table_gV[128];
681
for(i=0; i<dstW-1; i+=2){
686
for(j=0; j<lumFilterSize; j++)
688
Y1 += lumSrc[j][i] * lumFilter[j];
689
Y2 += lumSrc[j][i+1] * lumFilter[j];
700
acc+= acc + g[Y1+d128[(i+0)&7]];
701
acc+= acc + g[Y2+d128[(i+1)&7]];
703
((uint8_t*)dest)[0]= acc;
710
YSCALE_YUV_2_PACKEDX_C(void)
711
((uint8_t*)dest)[2*i2+0]= Y1;
712
((uint8_t*)dest)[2*i2+1]= U;
713
((uint8_t*)dest)[2*i2+2]= Y2;
714
((uint8_t*)dest)[2*i2+3]= V;
718
YSCALE_YUV_2_PACKEDX_C(void)
719
((uint8_t*)dest)[2*i2+0]= U;
720
((uint8_t*)dest)[2*i2+1]= Y1;
721
((uint8_t*)dest)[2*i2+2]= V;
722
((uint8_t*)dest)[2*i2+3]= Y2;
729
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
731
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
736
#if defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)
737
#define COMPILE_ALTIVEC
738
#endif //HAVE_ALTIVEC
739
#endif //ARCH_POWERPC
741
#if defined(ARCH_X86) || defined(ARCH_X86_64)
743
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
747
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
751
#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
752
#define COMPILE_3DNOW
754
#endif //ARCH_X86 || ARCH_X86_64
765
#define RENAME(a) a ## _C
766
#include "swscale_template.c"
770
#ifdef COMPILE_ALTIVEC
773
#define RENAME(a) a ## _altivec
774
#include "swscale_template.c"
776
#endif //ARCH_POWERPC
778
#if defined(ARCH_X86) || defined(ARCH_X86_64)
787
#define RENAME(a) a ## _X86
788
#include "swscale_template.c"
796
#define RENAME(a) a ## _MMX
797
#include "swscale_template.c"
806
#define RENAME(a) a ## _MMX2
807
#include "swscale_template.c"
816
#define RENAME(a) a ## _3DNow
817
#include "swscale_template.c"
820
#endif //ARCH_X86 || ARCH_X86_64
822
// minor note: the HAVE_xyz is messed up after that line so don't use it
824
static double getSplineCoeff(double a, double b, double c, double d, double dist)
826
// printf("%f %f %f %f %f\n", a,b,c,d,dist);
827
if(dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
828
else return getSplineCoeff( 0.0,
835
static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
836
int srcW, int dstW, int filterAlign, int one, int flags,
837
SwsVector *srcFilter, SwsVector *dstFilter, double param[2])
844
double *filter2=NULL;
845
#if defined(ARCH_X86) || defined(ARCH_X86_64)
846
if(flags & SWS_CPU_CAPS_MMX)
847
asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
850
// Note the +1 is for the MMXscaler which reads over the end
851
*filterPos = (int16_t*)memalign(8, (dstW+1)*sizeof(int16_t));
853
if(ABS(xInc - 0x10000) <10) // unscaled
857
filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
858
for(i=0; i<dstW*filterSize; i++) filter[i]=0;
860
for(i=0; i<dstW; i++)
862
filter[i*filterSize]=1;
867
else if(flags&SWS_POINT) // lame looking point sampling mode
872
filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
874
xDstInSrc= xInc/2 - 0x8000;
875
for(i=0; i<dstW; i++)
877
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
884
else if((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale
888
if (flags&SWS_BICUBIC) filterSize= 4;
889
else if(flags&SWS_X ) filterSize= 4;
890
else filterSize= 2; // SWS_BILINEAR / SWS_AREA
891
filter= (double*)memalign(8, dstW*sizeof(double)*filterSize);
893
xDstInSrc= xInc/2 - 0x8000;
894
for(i=0; i<dstW; i++)
896
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
900
//Bilinear upscale / linear interpolate / Area averaging
901
for(j=0; j<filterSize; j++)
903
double d= ABS((xx<<16) - xDstInSrc)/(double)(1<<16);
904
double coeff= 1.0 - d;
906
filter[i*filterSize + j]= coeff;
915
double sizeFactor, filterSizeInSrc;
916
const double xInc1= (double)xInc / (double)(1<<16);
918
if (flags&SWS_BICUBIC) sizeFactor= 4.0;
919
else if(flags&SWS_X) sizeFactor= 8.0;
920
else if(flags&SWS_AREA) sizeFactor= 1.0; //downscale only, for upscale it is bilinear
921
else if(flags&SWS_GAUSS) sizeFactor= 8.0; // infinite ;)
922
else if(flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? 2.0*param[0] : 6.0;
923
else if(flags&SWS_SINC) sizeFactor= 20.0; // infinite ;)
924
else if(flags&SWS_SPLINE) sizeFactor= 20.0; // infinite ;)
925
else if(flags&SWS_BILINEAR) sizeFactor= 2.0;
927
sizeFactor= 0.0; //GCC warning killer
931
if(xInc1 <= 1.0) filterSizeInSrc= sizeFactor; // upscale
932
else filterSizeInSrc= sizeFactor*srcW / (double)dstW;
934
filterSize= (int)ceil(1 + filterSizeInSrc); // will be reduced later if possible
935
if(filterSize > srcW-2) filterSize=srcW-2;
937
filter= (double*)memalign(16, dstW*sizeof(double)*filterSize);
939
xDstInSrc= xInc1 / 2.0 - 0.5;
940
for(i=0; i<dstW; i++)
942
int xx= (int)(xDstInSrc - (filterSize-1)*0.5 + 0.5);
945
for(j=0; j<filterSize; j++)
947
double d= ABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor;
949
if(flags & SWS_BICUBIC)
951
double B= param[0] != SWS_PARAM_DEFAULT ? param[0] : 0.0;
952
double C= param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6;
955
coeff = (12-9*B-6*C)*d*d*d + (-18+12*B+6*C)*d*d + 6-2*B;
957
coeff = (-B-6*C)*d*d*d + (6*B+30*C)*d*d + (-12*B-48*C)*d +8*B+24*C;
961
/* else if(flags & SWS_X)
963
double p= param ? param*0.01 : 0.3;
964
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
965
coeff*= pow(2.0, - p*d*d);
967
else if(flags & SWS_X)
969
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
975
if(coeff<0.0) coeff= -pow(-coeff, A);
976
else coeff= pow( coeff, A);
977
coeff= coeff*0.5 + 0.5;
979
else if(flags & SWS_AREA)
981
double srcPixelSize= 1.0/xInc1;
982
if(d + srcPixelSize/2 < 0.5) coeff= 1.0;
983
else if(d - srcPixelSize/2 < 0.5) coeff= (0.5-d)/srcPixelSize + 0.5;
986
else if(flags & SWS_GAUSS)
988
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
989
coeff = pow(2.0, - p*d*d);
991
else if(flags & SWS_SINC)
993
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
995
else if(flags & SWS_LANCZOS)
997
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
998
coeff = d ? sin(d*PI)*sin(d*PI/p)/(d*d*PI*PI/p) : 1.0;
1001
else if(flags & SWS_BILINEAR)
1004
if(coeff<0) coeff=0;
1006
else if(flags & SWS_SPLINE)
1008
double p=-2.196152422706632;
1009
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, d);
1012
coeff= 0.0; //GCC warning killer
1016
filter[i*filterSize + j]= coeff;
1023
/* apply src & dst Filter to filter -> filter2
1026
ASSERT(filterSize>0)
1027
filter2Size= filterSize;
1028
if(srcFilter) filter2Size+= srcFilter->length - 1;
1029
if(dstFilter) filter2Size+= dstFilter->length - 1;
1030
ASSERT(filter2Size>0)
1031
filter2= (double*)memalign(8, filter2Size*dstW*sizeof(double));
1033
for(i=0; i<dstW; i++)
1036
SwsVector scaleFilter;
1039
scaleFilter.coeff= filter + i*filterSize;
1040
scaleFilter.length= filterSize;
1042
if(srcFilter) outVec= sws_getConvVec(srcFilter, &scaleFilter);
1043
else outVec= &scaleFilter;
1045
ASSERT(outVec->length == filter2Size)
1048
for(j=0; j<outVec->length; j++)
1050
filter2[i*filter2Size + j]= outVec->coeff[j];
1053
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2;
1055
if(outVec != &scaleFilter) sws_freeVec(outVec);
1057
free(filter); filter=NULL;
1059
/* try to reduce the filter-size (step1 find size and shift left) */
1060
// Assume its near normalized (*0.5 or *2.0 is ok but * 0.001 is not)
1062
for(i=dstW-1; i>=0; i--)
1064
int min= filter2Size;
1068
/* get rid off near zero elements on the left by shifting left */
1069
for(j=0; j<filter2Size; j++)
1072
cutOff += ABS(filter2[i*filter2Size]);
1074
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
1076
/* preserve Monotonicity because the core can't handle the filter otherwise */
1077
if(i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break;
1079
// Move filter coeffs left
1080
for(k=1; k<filter2Size; k++)
1081
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
1082
filter2[i*filter2Size + k - 1]= 0.0;
1087
/* count near zeros on the right */
1088
for(j=filter2Size-1; j>0; j--)
1090
cutOff += ABS(filter2[i*filter2Size + j]);
1092
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break;
1096
if(min>minFilterSize) minFilterSize= min;
1099
if (flags & SWS_CPU_CAPS_ALTIVEC) {
1100
// we can handle the special case 4,
1101
// so we don't want to go to the full 8
1102
if (minFilterSize < 5)
1105
// we really don't want to waste our time
1106
// doing useless computation, so fall-back on
1107
// the scalar C code for very small filter.
1108
// vectorizing is worth it only if you have
1109
// decent-sized vector.
1110
if (minFilterSize < 3)
1114
ASSERT(minFilterSize > 0)
1115
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
1116
ASSERT(filterSize > 0)
1117
filter= (double*)memalign(8, filterSize*dstW*sizeof(double));
1118
*outFilterSize= filterSize;
1120
if(flags&SWS_PRINT_INFO)
1121
MSG_V("SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
1122
/* try to reduce the filter-size (step2 reduce it) */
1123
for(i=0; i<dstW; i++)
1127
for(j=0; j<filterSize; j++)
1129
if(j>=filter2Size) filter[i*filterSize + j]= 0.0;
1130
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
1133
free(filter2); filter2=NULL;
1136
//FIXME try to align filterpos if possible
1139
for(i=0; i<dstW; i++)
1142
if((*filterPos)[i] < 0)
1144
// Move filter coeffs left to compensate for filterPos
1145
for(j=1; j<filterSize; j++)
1147
int left= MAX(j + (*filterPos)[i], 0);
1148
filter[i*filterSize + left] += filter[i*filterSize + j];
1149
filter[i*filterSize + j]=0;
1154
if((*filterPos)[i] + filterSize > srcW)
1156
int shift= (*filterPos)[i] + filterSize - srcW;
1157
// Move filter coeffs right to compensate for filterPos
1158
for(j=filterSize-2; j>=0; j--)
1160
int right= MIN(j + shift, filterSize-1);
1161
filter[i*filterSize +right] += filter[i*filterSize +j];
1162
filter[i*filterSize +j]=0;
1164
(*filterPos)[i]= srcW - filterSize;
1168
// Note the +1 is for the MMXscaler which reads over the end
1169
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
1170
*outFilter= (int16_t*)memalign(16, *outFilterSize*(dstW+1)*sizeof(int16_t));
1171
memset(*outFilter, 0, *outFilterSize*(dstW+1)*sizeof(int16_t));
1173
/* Normalize & Store in outFilter */
1174
for(i=0; i<dstW; i++)
1181
for(j=0; j<filterSize; j++)
1183
sum+= filter[i*filterSize + j];
1186
for(j=0; j<*outFilterSize; j++)
1188
double v= filter[i*filterSize + j]*scale + error;
1189
int intV= floor(v + 0.5);
1190
(*outFilter)[i*(*outFilterSize) + j]= intV;
1195
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end
1196
for(i=0; i<*outFilterSize; i++)
1198
int j= dstW*(*outFilterSize);
1199
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)];
1205
#if defined(ARCH_X86) || defined(ARCH_X86_64)
1206
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits)
1209
long imm8OfPShufW1A;
1210
long imm8OfPShufW2A;
1211
long fragmentLengthA;
1213
long imm8OfPShufW1B;
1214
long imm8OfPShufW2B;
1215
long fragmentLengthB;
1220
// create an optimized horizontal scaling routine
1228
"movq (%%"REG_d", %%"REG_a"), %%mm3\n\t"
1229
"movd (%%"REG_c", %%"REG_S"), %%mm0\n\t"
1230
"movd 1(%%"REG_c", %%"REG_S"), %%mm1\n\t"
1231
"punpcklbw %%mm7, %%mm1 \n\t"
1232
"punpcklbw %%mm7, %%mm0 \n\t"
1233
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
1235
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
1237
"psubw %%mm1, %%mm0 \n\t"
1238
"movl 8(%%"REG_b", %%"REG_a"), %%esi\n\t"
1239
"pmullw %%mm3, %%mm0 \n\t"
1240
"psllw $7, %%mm1 \n\t"
1241
"paddw %%mm1, %%mm0 \n\t"
1243
"movq %%mm0, (%%"REG_D", %%"REG_a")\n\t"
1245
"add $8, %%"REG_a" \n\t"
1260
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A),
1261
"=r" (fragmentLengthA)
1268
"movq (%%"REG_d", %%"REG_a"), %%mm3\n\t"
1269
"movd (%%"REG_c", %%"REG_S"), %%mm0\n\t"
1270
"punpcklbw %%mm7, %%mm0 \n\t"
1271
"pshufw $0xFF, %%mm0, %%mm1 \n\t"
1273
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
1275
"psubw %%mm1, %%mm0 \n\t"
1276
"movl 8(%%"REG_b", %%"REG_a"), %%esi\n\t"
1277
"pmullw %%mm3, %%mm0 \n\t"
1278
"psllw $7, %%mm1 \n\t"
1279
"paddw %%mm1, %%mm0 \n\t"
1281
"movq %%mm0, (%%"REG_D", %%"REG_a")\n\t"
1283
"add $8, %%"REG_a" \n\t"
1298
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B),
1299
"=r" (fragmentLengthB)
1302
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
1305
for(i=0; i<dstW/numSplits; i++)
1312
int b=((xpos+xInc)>>16) - xx;
1313
int c=((xpos+xInc*2)>>16) - xx;
1314
int d=((xpos+xInc*3)>>16) - xx;
1316
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9;
1317
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9;
1318
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9;
1319
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9;
1324
int maxShift= 3-(d+1);
1327
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB);
1329
funnyCode[fragmentPos + imm8OfPShufW1B]=
1330
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6);
1331
funnyCode[fragmentPos + imm8OfPShufW2B]=
1332
a | (b<<2) | (c<<4) | (d<<6);
1334
if(i+3>=dstW) shift=maxShift; //avoid overread
1335
else if((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align
1337
if(shift && i>=shift)
1339
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift;
1340
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift;
1341
filterPos[i/2]-=shift;
1344
fragmentPos+= fragmentLengthB;
1351
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA);
1353
funnyCode[fragmentPos + imm8OfPShufW1A]=
1354
funnyCode[fragmentPos + imm8OfPShufW2A]=
1355
a | (b<<2) | (c<<4) | (d<<6);
1357
if(i+4>=dstW) shift=maxShift; //avoid overread
1358
else if((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align
1360
if(shift && i>=shift)
1362
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift;
1363
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift;
1364
filterPos[i/2]-=shift;
1367
fragmentPos+= fragmentLengthA;
1370
funnyCode[fragmentPos]= RET;
1374
filterPos[i/2]= xpos>>16; // needed to jump to the next part
1376
#endif // ARCH_X86 || ARCH_X86_64
1378
static void globalInit(void){
1379
// generating tables:
1381
for(i=0; i<768; i++){
1382
int c= MIN(MAX(i-256, 0), 255);
1387
static SwsFunc getSwsFunc(int flags){
1389
#ifdef RUNTIME_CPUDETECT
1390
#if defined(ARCH_X86) || defined(ARCH_X86_64)
1391
// ordered per speed fasterst first
1392
if(flags & SWS_CPU_CAPS_MMX2)
1393
return swScale_MMX2;
1394
else if(flags & SWS_CPU_CAPS_3DNOW)
1395
return swScale_3DNow;
1396
else if(flags & SWS_CPU_CAPS_MMX)
1403
if(flags & SWS_CPU_CAPS_ALTIVEC)
1404
return swScale_altivec;
1410
#else //RUNTIME_CPUDETECT
1412
return swScale_MMX2;
1413
#elif defined (HAVE_3DNOW)
1414
return swScale_3DNow;
1415
#elif defined (HAVE_MMX)
1417
#elif defined (HAVE_ALTIVEC)
1418
return swScale_altivec;
1422
#endif //!RUNTIME_CPUDETECT
1425
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1426
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
1427
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
1429
if(dstStride[0]==srcStride[0] && srcStride[0] > 0)
1430
memcpy(dst, src[0], srcSliceH*dstStride[0]);
1434
uint8_t *srcPtr= src[0];
1435
uint8_t *dstPtr= dst;
1436
for(i=0; i<srcSliceH; i++)
1438
memcpy(dstPtr, srcPtr, c->srcW);
1439
srcPtr+= srcStride[0];
1440
dstPtr+= dstStride[0];
1443
dst = dstParam[1] + dstStride[1]*srcSliceY/2;
1444
if (c->dstFormat == IMGFMT_NV12)
1445
interleaveBytes( src[1],src[2],dst,c->srcW/2,srcSliceH/2,srcStride[1],srcStride[2],dstStride[0] );
1447
interleaveBytes( src[2],src[1],dst,c->srcW/2,srcSliceH/2,srcStride[2],srcStride[1],dstStride[0] );
1452
static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1453
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
1454
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
1456
yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] );
1461
static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1462
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
1463
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
1465
yv12touyvy( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] );
1470
/* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */
1471
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1472
int srcSliceH, uint8_t* dst[], int dstStride[]){
1473
const int srcFormat= c->srcFormat;
1474
const int dstFormat= c->dstFormat;
1475
const int srcBpp= ((srcFormat&0xFF) + 7)>>3;
1476
const int dstBpp= ((dstFormat&0xFF) + 7)>>3;
1477
const int srcId= (srcFormat&0xFF)>>2; // 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8
1478
const int dstId= (dstFormat&0xFF)>>2;
1479
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL;
1482
if( (isBGR(srcFormat) && isBGR(dstFormat))
1483
|| (isRGB(srcFormat) && isRGB(dstFormat))){
1484
switch(srcId | (dstId<<4)){
1485
case 0x34: conv= rgb16to15; break;
1486
case 0x36: conv= rgb24to15; break;
1487
case 0x38: conv= rgb32to15; break;
1488
case 0x43: conv= rgb15to16; break;
1489
case 0x46: conv= rgb24to16; break;
1490
case 0x48: conv= rgb32to16; break;
1491
case 0x63: conv= rgb15to24; break;
1492
case 0x64: conv= rgb16to24; break;
1493
case 0x68: conv= rgb32to24; break;
1494
case 0x83: conv= rgb15to32; break;
1495
case 0x84: conv= rgb16to32; break;
1496
case 0x86: conv= rgb24to32; break;
1497
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
1498
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
1500
}else if( (isBGR(srcFormat) && isRGB(dstFormat))
1501
|| (isRGB(srcFormat) && isBGR(dstFormat))){
1502
switch(srcId | (dstId<<4)){
1503
case 0x33: conv= rgb15tobgr15; break;
1504
case 0x34: conv= rgb16tobgr15; break;
1505
case 0x36: conv= rgb24tobgr15; break;
1506
case 0x38: conv= rgb32tobgr15; break;
1507
case 0x43: conv= rgb15tobgr16; break;
1508
case 0x44: conv= rgb16tobgr16; break;
1509
case 0x46: conv= rgb24tobgr16; break;
1510
case 0x48: conv= rgb32tobgr16; break;
1511
case 0x63: conv= rgb15tobgr24; break;
1512
case 0x64: conv= rgb16tobgr24; break;
1513
case 0x66: conv= rgb24tobgr24; break;
1514
case 0x68: conv= rgb32tobgr24; break;
1515
case 0x83: conv= rgb15tobgr32; break;
1516
case 0x84: conv= rgb16tobgr32; break;
1517
case 0x86: conv= rgb24tobgr32; break;
1518
case 0x88: conv= rgb32tobgr32; break;
1519
default: MSG_ERR("swScaler: internal error %s -> %s converter\n",
1520
vo_format_name(srcFormat), vo_format_name(dstFormat)); break;
1523
MSG_ERR("swScaler: internal error %s -> %s converter\n",
1524
vo_format_name(srcFormat), vo_format_name(dstFormat));
1527
if(dstStride[0]*srcBpp == srcStride[0]*dstBpp)
1528
conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
1532
uint8_t *srcPtr= src[0];
1533
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
1535
for(i=0; i<srcSliceH; i++)
1537
conv(srcPtr, dstPtr, c->srcW*srcBpp);
1538
srcPtr+= srcStride[0];
1539
dstPtr+= dstStride[0];
1545
static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1546
int srcSliceH, uint8_t* dst[], int dstStride[]){
1550
dst[0]+ srcSliceY *dstStride[0],
1551
dst[1]+(srcSliceY>>1)*dstStride[1],
1552
dst[2]+(srcSliceY>>1)*dstStride[2],
1554
dstStride[0], dstStride[1], srcStride[0]);
1558
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1559
int srcSliceH, uint8_t* dst[], int dstStride[]){
1563
if(srcStride[0]==dstStride[0] && srcStride[0] > 0)
1564
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH);
1566
uint8_t *srcPtr= src[0];
1567
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
1569
for(i=0; i<srcSliceH; i++)
1571
memcpy(dstPtr, srcPtr, c->srcW);
1572
srcPtr+= srcStride[0];
1573
dstPtr+= dstStride[0];
1577
if(c->dstFormat==IMGFMT_YV12){
1578
planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]);
1579
planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]);
1581
planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]);
1582
planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]);
1588
* bring pointers in YUV order instead of YVU
1590
static inline void sws_orderYUV(int format, uint8_t * sortedP[], int sortedStride[], uint8_t * p[], int stride[]){
1591
if(format == IMGFMT_YV12 || format == IMGFMT_YVU9
1592
|| format == IMGFMT_444P || format == IMGFMT_422P || format == IMGFMT_411P){
1596
sortedStride[0]= stride[0];
1597
sortedStride[1]= stride[2];
1598
sortedStride[2]= stride[1];
1600
else if(isPacked(format) || isGray(format) || format == IMGFMT_Y8)
1605
sortedStride[0]= stride[0];
1609
else if(format == IMGFMT_I420 || format == IMGFMT_IYUV)
1614
sortedStride[0]= stride[0];
1615
sortedStride[1]= stride[1];
1616
sortedStride[2]= stride[2];
1618
else if(format == IMGFMT_NV12 || format == IMGFMT_NV21)
1623
sortedStride[0]= stride[0];
1624
sortedStride[1]= stride[1];
1627
MSG_ERR("internal error in orderYUV\n");
1631
/* unscaled copy like stuff (assumes nearly identical formats) */
1632
static int simpleCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
1633
int srcSliceH, uint8_t* dst[], int dstStride[]){
1635
if(isPacked(c->srcFormat))
1637
if(dstStride[0]==srcStride[0] && srcStride[0] > 0)
1638
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]);
1642
uint8_t *srcPtr= src[0];
1643
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
1646
/* universal length finder */
1647
while(length+c->srcW <= ABS(dstStride[0])
1648
&& length+c->srcW <= ABS(srcStride[0])) length+= c->srcW;
1651
for(i=0; i<srcSliceH; i++)
1653
memcpy(dstPtr, srcPtr, length);
1654
srcPtr+= srcStride[0];
1655
dstPtr+= dstStride[0];
1660
{ /* Planar YUV or gray */
1662
for(plane=0; plane<3; plane++)
1664
int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
1665
int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
1666
int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
1668
if((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0)
1670
if(!isGray(c->dstFormat))
1671
memset(dst[plane], 128, dstStride[plane]*height);
1675
if(dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
1676
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]);
1680
uint8_t *srcPtr= src[plane];
1681
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
1682
for(i=0; i<height; i++)
1684
memcpy(dstPtr, srcPtr, length);
1685
srcPtr+= srcStride[plane];
1686
dstPtr+= dstStride[plane];
1695
static int remove_dup_fourcc(int fourcc)
1700
case IMGFMT_IYUV: return IMGFMT_YV12;
1701
case IMGFMT_Y8 : return IMGFMT_Y800;
1702
case IMGFMT_IF09: return IMGFMT_YVU9;
1703
default: return fourcc;
1707
static void getSubSampleFactors(int *h, int *v, int format){
1715
case IMGFMT_Y800: //FIXME remove after different subsamplings are fully implemented
1744
static uint16_t roundToInt16(int64_t f){
1745
int r= (f + (1<<15))>>16;
1746
if(r<-0x7FFF) return 0x8000;
1747
else if(r> 0x7FFF) return 0x7FFF;
1752
* @param inv_table the yuv2rgb coeffs, normally Inverse_Table_6_9[x]
1753
* @param fullRange if 1 then the luma range is 0..255 if 0 its 16..235
1754
* @return -1 if not supported
1756
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){
1757
int64_t crv = inv_table[0];
1758
int64_t cbu = inv_table[1];
1759
int64_t cgu = -inv_table[2];
1760
int64_t cgv = -inv_table[3];
1764
if(isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
1765
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4);
1766
memcpy(c->dstColorspaceTable, table, sizeof(int)*4);
1768
c->brightness= brightness;
1769
c->contrast = contrast;
1770
c->saturation= saturation;
1771
c->srcRange = srcRange;
1772
c->dstRange = dstRange;
1774
c->uOffset= 0x0400040004000400LL;
1775
c->vOffset= 0x0400040004000400LL;
1782
cy = (cy *contrast )>>16;
1783
crv= (crv*contrast * saturation)>>32;
1784
cbu= (cbu*contrast * saturation)>>32;
1785
cgu= (cgu*contrast * saturation)>>32;
1786
cgv= (cgv*contrast * saturation)>>32;
1788
oy -= 256*brightness;
1790
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL;
1791
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL;
1792
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL;
1793
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL;
1794
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL;
1795
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL;
1797
yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation);
1800
#ifdef COMPILE_ALTIVEC
1801
if (c->flags & SWS_CPU_CAPS_ALTIVEC)
1802
yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation);
1808
* @return -1 if not supported
1810
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){
1811
if(isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
1813
*inv_table = c->srcColorspaceTable;
1814
*table = c->dstColorspaceTable;
1815
*srcRange = c->srcRange;
1816
*dstRange = c->dstRange;
1817
*brightness= c->brightness;
1818
*contrast = c->contrast;
1819
*saturation= c->saturation;
1824
SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int dstH, int origDstFormat, int flags,
1825
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
1829
int usesVFilter, usesHFilter;
1830
int unscaled, needsDither;
1831
int srcFormat, dstFormat;
1832
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
1833
#if defined(ARCH_X86) || defined(ARCH_X86_64)
1834
if(flags & SWS_CPU_CAPS_MMX)
1835
asm volatile("emms\n\t"::: "memory");
1838
#ifndef RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off
1839
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC);
1841
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2;
1842
#elif defined (HAVE_3DNOW)
1843
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW;
1844
#elif defined (HAVE_MMX)
1845
flags |= SWS_CPU_CAPS_MMX;
1846
#elif defined (HAVE_ALTIVEC)
1847
flags |= SWS_CPU_CAPS_ALTIVEC;
1850
if(clip_table[512] != 255) globalInit();
1851
if(rgb15to16 == NULL) sws_rgb2rgb_init(flags);
1853
/* avoid duplicate Formats, so we don't need to check to much */
1854
srcFormat = remove_dup_fourcc(origSrcFormat);
1855
dstFormat = remove_dup_fourcc(origDstFormat);
1857
unscaled = (srcW == dstW && srcH == dstH);
1858
needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
1859
&& (dstFormat&0xFF)<24
1860
&& ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
1862
if(!isSupportedIn(srcFormat))
1864
MSG_ERR("swScaler: %s is not supported as input format\n", vo_format_name(srcFormat));
1867
if(!isSupportedOut(dstFormat))
1869
MSG_ERR("swScaler: %s is not supported as output format\n", vo_format_name(dstFormat));
1874
if(srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
1876
MSG_ERR("swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
1877
srcW, srcH, dstW, dstH);
1881
if(!dstFilter) dstFilter= &dummyFilter;
1882
if(!srcFilter) srcFilter= &dummyFilter;
1884
c= memalign(64, sizeof(SwsContext));
1885
memset(c, 0, sizeof(SwsContext));
1891
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW;
1892
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH;
1894
c->dstFormat= dstFormat;
1895
c->srcFormat= srcFormat;
1896
c->origDstFormat= origDstFormat;
1897
c->origSrcFormat= origSrcFormat;
1898
c->vRounder= 4* 0x0001000100010001ULL;
1900
usesHFilter= usesVFilter= 0;
1901
if(dstFilter->lumV!=NULL && dstFilter->lumV->length>1) usesVFilter=1;
1902
if(dstFilter->lumH!=NULL && dstFilter->lumH->length>1) usesHFilter=1;
1903
if(dstFilter->chrV!=NULL && dstFilter->chrV->length>1) usesVFilter=1;
1904
if(dstFilter->chrH!=NULL && dstFilter->chrH->length>1) usesHFilter=1;
1905
if(srcFilter->lumV!=NULL && srcFilter->lumV->length>1) usesVFilter=1;
1906
if(srcFilter->lumH!=NULL && srcFilter->lumH->length>1) usesHFilter=1;
1907
if(srcFilter->chrV!=NULL && srcFilter->chrV->length>1) usesVFilter=1;
1908
if(srcFilter->chrH!=NULL && srcFilter->chrH->length>1) usesHFilter=1;
1910
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
1911
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
1913
// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
1914
if((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
1916
// drop some chroma lines if the user wants it
1917
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT;
1918
c->chrSrcVSubSample+= c->vChrDrop;
1920
// drop every 2. pixel for chroma calculation unless user wants full chroma
1921
if((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP))
1922
c->chrSrcHSubSample=1;
1925
c->param[0] = param[0];
1926
c->param[1] = param[1];
1929
c->param[1] = SWS_PARAM_DEFAULT;
1932
c->chrIntHSubSample= c->chrDstHSubSample;
1933
c->chrIntVSubSample= c->chrSrcVSubSample;
1935
// note the -((-x)>>y) is so that we allways round toward +inf
1936
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
1937
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
1938
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
1939
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
1941
sws_setColorspaceDetails(c, Inverse_Table_6_9[SWS_CS_DEFAULT], 0, Inverse_Table_6_9[SWS_CS_DEFAULT] /* FIXME*/, 0, 0, 1<<16, 1<<16);
1943
/* unscaled special Cases */
1944
if(unscaled && !usesHFilter && !usesVFilter)
1947
if(srcFormat == IMGFMT_YV12 && (dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21))
1949
c->swScale= PlanarToNV12Wrapper;
1952
if((srcFormat==IMGFMT_YV12 || srcFormat==IMGFMT_422P) && (isBGR(dstFormat) || isRGB(dstFormat)))
1954
c->swScale= yuv2rgb_get_func_ptr(c);
1957
if( srcFormat==IMGFMT_YVU9 && dstFormat==IMGFMT_YV12 )
1959
c->swScale= yvu9toyv12Wrapper;
1963
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
1964
c->swScale= bgr24toyv12Wrapper;
1966
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
1967
if( (isBGR(srcFormat) || isRGB(srcFormat))
1968
&& (isBGR(dstFormat) || isRGB(dstFormat))
1970
c->swScale= rgb2rgbWrapper;
1972
/* LQ converters if -sws 0 or -sws 4*/
1973
if(c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
1974
/* rgb/bgr -> rgb/bgr (dither needed forms) */
1975
if( (isBGR(srcFormat) || isRGB(srcFormat))
1976
&& (isBGR(dstFormat) || isRGB(dstFormat))
1978
c->swScale= rgb2rgbWrapper;
1981
if(srcFormat == IMGFMT_YV12 &&
1982
(dstFormat == IMGFMT_YUY2 || dstFormat == IMGFMT_UYVY))
1984
if (dstFormat == IMGFMT_YUY2)
1985
c->swScale= PlanarToYuy2Wrapper;
1987
c->swScale= PlanarToUyvyWrapper;
1991
#ifdef COMPILE_ALTIVEC
1992
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
1993
((srcFormat == IMGFMT_YV12 &&
1994
(dstFormat == IMGFMT_YUY2 || dstFormat == IMGFMT_UYVY)))) {
1995
// unscaled YV12 -> packed YUV, we want speed
1996
if (dstFormat == IMGFMT_YUY2)
1997
c->swScale= yv12toyuy2_unscaled_altivec;
1999
c->swScale= yv12touyvy_unscaled_altivec;
2004
if( srcFormat == dstFormat
2005
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
2006
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))
2009
c->swScale= simpleCopy;
2013
if(flags&SWS_PRINT_INFO)
2014
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
2015
vo_format_name(srcFormat), vo_format_name(dstFormat));
2020
if(flags & SWS_CPU_CAPS_MMX2)
2022
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
2023
if(!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR))
2025
if(flags&SWS_PRINT_INFO)
2026
MSG_INFO("SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
2028
if(usesHFilter) c->canMMX2BeUsed=0;
2033
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
2034
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
2036
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
2037
// but only for the FAST_BILINEAR mode otherwise do correct scaling
2038
// n-2 is the last chrominance sample available
2039
// this is not perfect, but noone shuld notice the difference, the more correct variant
2040
// would be like the vertical one, but that would require some special code for the
2041
// first and last pixel
2042
if(flags&SWS_FAST_BILINEAR)
2044
if(c->canMMX2BeUsed)
2049
//we don't use the x86asm scaler if mmx is available
2050
else if(flags & SWS_CPU_CAPS_MMX)
2052
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
2053
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
2057
/* precalculate horizontal scaler filter coefficients */
2059
const int filterAlign=
2060
(flags & SWS_CPU_CAPS_MMX) ? 4 :
2061
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
2064
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
2065
srcW , dstW, filterAlign, 1<<14,
2066
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
2067
srcFilter->lumH, dstFilter->lumH, c->param);
2068
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
2069
c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
2070
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
2071
srcFilter->chrH, dstFilter->chrH, c->param);
2073
#if defined(ARCH_X86) || defined(ARCH_X86_64)
2074
// can't downscale !!!
2075
if(c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
2077
#define MAX_FUNNY_CODE_SIZE 10000
2078
#ifdef MAP_ANONYMOUS
2079
c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
2080
c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
2082
c->funnyYCode = (uint8_t*)memalign(32, MAX_FUNNY_CODE_SIZE);
2083
c->funnyUVCode = (uint8_t*)memalign(32, MAX_FUNNY_CODE_SIZE);
2086
c->lumMmx2Filter = (int16_t*)memalign(8, (dstW /8+8)*sizeof(int16_t));
2087
c->chrMmx2Filter = (int16_t*)memalign(8, (c->chrDstW /4+8)*sizeof(int16_t));
2088
c->lumMmx2FilterPos= (int32_t*)memalign(8, (dstW /2/8+8)*sizeof(int32_t));
2089
c->chrMmx2FilterPos= (int32_t*)memalign(8, (c->chrDstW/2/4+8)*sizeof(int32_t));
2091
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
2092
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
2095
} // Init Horizontal stuff
2099
/* precalculate vertical scaler filter coefficients */
2101
const int filterAlign=
2102
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
2105
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
2106
srcH , dstH, filterAlign, (1<<12)-4,
2107
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
2108
srcFilter->lumV, dstFilter->lumV, c->param);
2109
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
2110
c->chrSrcH, c->chrDstH, filterAlign, (1<<12)-4,
2111
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
2112
srcFilter->chrV, dstFilter->chrV, c->param);
2115
c->vYCoeffsBank = memalign (16, sizeof (vector signed short)*c->vLumFilterSize*c->dstH);
2116
c->vCCoeffsBank = memalign (16, sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH);
2118
for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
2120
short *p = (short *)&c->vYCoeffsBank[i];
2122
p[j] = c->vLumFilter[i];
2125
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
2127
short *p = (short *)&c->vCCoeffsBank[i];
2129
p[j] = c->vChrFilter[i];
2134
// Calculate Buffer Sizes so that they won't run out while handling these damn slices
2135
c->vLumBufSize= c->vLumFilterSize;
2136
c->vChrBufSize= c->vChrFilterSize;
2137
for(i=0; i<dstH; i++)
2139
int chrI= i*c->chrDstH / dstH;
2140
int nextSlice= MAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
2141
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
2143
nextSlice>>= c->chrSrcVSubSample;
2144
nextSlice<<= c->chrSrcVSubSample;
2145
if(c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
2146
c->vLumBufSize= nextSlice - c->vLumFilterPos[i ];
2147
if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
2148
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
2151
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
2152
c->lumPixBuf= (int16_t**)memalign(4, c->vLumBufSize*2*sizeof(int16_t*));
2153
c->chrPixBuf= (int16_t**)memalign(4, c->vChrBufSize*2*sizeof(int16_t*));
2154
//Note we need at least one pixel more at the end because of the mmx code (just in case someone wanna replace the 4000/8000)
2155
/* align at 16 bytes for AltiVec */
2156
for(i=0; i<c->vLumBufSize; i++)
2157
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= (uint16_t*)memalign(16, 4000);
2158
for(i=0; i<c->vChrBufSize; i++)
2159
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= (uint16_t*)memalign(16, 8000);
2161
//try to avoid drawing green stuff between the right end and the stride end
2162
for(i=0; i<c->vLumBufSize; i++) memset(c->lumPixBuf[i], 0, 4000);
2163
for(i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, 8000);
2165
ASSERT(c->chrDstH <= dstH)
2167
if(flags&SWS_PRINT_INFO)
2170
char *dither= " dithered";
2174
if(flags&SWS_FAST_BILINEAR)
2175
MSG_INFO("\nSwScaler: FAST_BILINEAR scaler, ");
2176
else if(flags&SWS_BILINEAR)
2177
MSG_INFO("\nSwScaler: BILINEAR scaler, ");
2178
else if(flags&SWS_BICUBIC)
2179
MSG_INFO("\nSwScaler: BICUBIC scaler, ");
2180
else if(flags&SWS_X)
2181
MSG_INFO("\nSwScaler: Experimental scaler, ");
2182
else if(flags&SWS_POINT)
2183
MSG_INFO("\nSwScaler: Nearest Neighbor / POINT scaler, ");
2184
else if(flags&SWS_AREA)
2185
MSG_INFO("\nSwScaler: Area Averageing scaler, ");
2186
else if(flags&SWS_BICUBLIN)
2187
MSG_INFO("\nSwScaler: luma BICUBIC / chroma BILINEAR scaler, ");
2188
else if(flags&SWS_GAUSS)
2189
MSG_INFO("\nSwScaler: Gaussian scaler, ");
2190
else if(flags&SWS_SINC)
2191
MSG_INFO("\nSwScaler: Sinc scaler, ");
2192
else if(flags&SWS_LANCZOS)
2193
MSG_INFO("\nSwScaler: Lanczos scaler, ");
2194
else if(flags&SWS_SPLINE)
2195
MSG_INFO("\nSwScaler: Bicubic spline scaler, ");
2197
MSG_INFO("\nSwScaler: ehh flags invalid?! ");
2199
if(dstFormat==IMGFMT_BGR15 || dstFormat==IMGFMT_BGR16)
2200
MSG_INFO("from %s to%s %s ",
2201
vo_format_name(srcFormat), dither, vo_format_name(dstFormat));
2203
MSG_INFO("from %s to %s ",
2204
vo_format_name(srcFormat), vo_format_name(dstFormat));
2206
if(flags & SWS_CPU_CAPS_MMX2)
2207
MSG_INFO("using MMX2\n");
2208
else if(flags & SWS_CPU_CAPS_3DNOW)
2209
MSG_INFO("using 3DNOW\n");
2210
else if(flags & SWS_CPU_CAPS_MMX)
2211
MSG_INFO("using MMX\n");
2212
else if(flags & SWS_CPU_CAPS_ALTIVEC)
2213
MSG_INFO("using AltiVec\n");
2215
MSG_INFO("using C\n");
2218
if(flags & SWS_PRINT_INFO)
2220
if(flags & SWS_CPU_CAPS_MMX)
2222
if(c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
2223
MSG_V("SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
2226
if(c->hLumFilterSize==4)
2227
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
2228
else if(c->hLumFilterSize==8)
2229
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
2231
MSG_V("SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
2233
if(c->hChrFilterSize==4)
2234
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
2235
else if(c->hChrFilterSize==8)
2236
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
2238
MSG_V("SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
2243
#if defined(ARCH_X86) || defined(ARCH_X86_64)
2244
MSG_V("SwScaler: using X86-Asm scaler for horizontal scaling\n");
2246
if(flags & SWS_FAST_BILINEAR)
2247
MSG_V("SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
2249
MSG_V("SwScaler: using C scaler for horizontal scaling\n");
2252
if(isPlanarYUV(dstFormat))
2254
if(c->vLumFilterSize==1)
2255
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2257
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2261
if(c->vLumFilterSize==1 && c->vChrFilterSize==2)
2262
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
2263
"SwScaler: 2-tap scaler for vertical chrominance scaling (BGR)\n",(flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2264
else if(c->vLumFilterSize==2 && c->vChrFilterSize==2)
2265
MSG_V("SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2267
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2270
if(dstFormat==IMGFMT_BGR24)
2271
MSG_V("SwScaler: using %s YV12->BGR24 Converter\n",
2272
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"));
2273
else if(dstFormat==IMGFMT_BGR32)
2274
MSG_V("SwScaler: using %s YV12->BGR32 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2275
else if(dstFormat==IMGFMT_BGR16)
2276
MSG_V("SwScaler: using %s YV12->BGR16 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2277
else if(dstFormat==IMGFMT_BGR15)
2278
MSG_V("SwScaler: using %s YV12->BGR15 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
2280
MSG_V("SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
2282
if(flags & SWS_PRINT_INFO)
2284
MSG_DBG2("SwScaler:Lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
2285
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
2286
MSG_DBG2("SwScaler:Chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
2287
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
2290
c->swScale= getSwsFunc(flags);
2295
* swscale warper, so we don't need to export the SwsContext.
2296
* assumes planar YUV to be in YUV order instead of YVU
2298
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2299
int srcSliceH, uint8_t* dst[], int dstStride[]){
2300
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
2301
MSG_ERR("swScaler: slices start in the middle!\n");
2304
if (c->sliceDir == 0) {
2305
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
2308
// copy strides, so they can safely be modified
2309
if (c->sliceDir == 1) {
2310
// slices go from top to bottom
2311
int srcStride2[3]= {srcStride[0], srcStride[1], srcStride[2]};
2312
int dstStride2[3]= {dstStride[0], dstStride[1], dstStride[2]};
2313
return c->swScale(c, src, srcStride2, srcSliceY, srcSliceH, dst, dstStride2);
2315
// slices go from bottom to top => we flip the image internally
2316
uint8_t* src2[3]= {src[0] + (srcSliceH-1)*srcStride[0],
2317
src[1] + ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1],
2318
src[2] + ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]
2320
uint8_t* dst2[3]= {dst[0] + (c->dstH-1)*dstStride[0],
2321
dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1],
2322
dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]};
2323
int srcStride2[3]= {-srcStride[0], -srcStride[1], -srcStride[2]};
2324
int dstStride2[3]= {-dstStride[0], -dstStride[1], -dstStride[2]};
2326
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
2331
* swscale warper, so we don't need to export the SwsContext
2333
int sws_scale(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY,
2334
int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){
2339
sws_orderYUV(c->origSrcFormat, src, srcStride, srcParam, srcStrideParam);
2340
sws_orderYUV(c->origDstFormat, dst, dstStride, dstParam, dstStrideParam);
2341
//printf("sws: slice %d %d\n", srcSliceY, srcSliceH);
2343
return c->swScale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
2346
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
2347
float lumaSharpen, float chromaSharpen,
2348
float chromaHShift, float chromaVShift,
2351
SwsFilter *filter= malloc(sizeof(SwsFilter));
2354
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0);
2355
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0);
2357
filter->lumH= sws_getIdentityVec();
2358
filter->lumV= sws_getIdentityVec();
2361
if(chromaGBlur!=0.0){
2362
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0);
2363
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0);
2365
filter->chrH= sws_getIdentityVec();
2366
filter->chrV= sws_getIdentityVec();
2369
if(chromaSharpen!=0.0){
2370
SwsVector *id= sws_getIdentityVec();
2371
sws_scaleVec(filter->chrH, -chromaSharpen);
2372
sws_scaleVec(filter->chrV, -chromaSharpen);
2373
sws_addVec(filter->chrH, id);
2374
sws_addVec(filter->chrV, id);
2378
if(lumaSharpen!=0.0){
2379
SwsVector *id= sws_getIdentityVec();
2380
sws_scaleVec(filter->lumH, -lumaSharpen);
2381
sws_scaleVec(filter->lumV, -lumaSharpen);
2382
sws_addVec(filter->lumH, id);
2383
sws_addVec(filter->lumV, id);
2387
if(chromaHShift != 0.0)
2388
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5));
2390
if(chromaVShift != 0.0)
2391
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5));
2393
sws_normalizeVec(filter->chrH, 1.0);
2394
sws_normalizeVec(filter->chrV, 1.0);
2395
sws_normalizeVec(filter->lumH, 1.0);
2396
sws_normalizeVec(filter->lumV, 1.0);
2398
if(verbose) sws_printVec(filter->chrH);
2399
if(verbose) sws_printVec(filter->lumH);
2405
* returns a normalized gaussian curve used to filter stuff
2406
* quality=3 is high quality, lowwer is lowwer quality
2408
SwsVector *sws_getGaussianVec(double variance, double quality){
2409
const int length= (int)(variance*quality + 0.5) | 1;
2411
double *coeff= memalign(sizeof(double), length*sizeof(double));
2412
double middle= (length-1)*0.5;
2413
SwsVector *vec= malloc(sizeof(SwsVector));
2416
vec->length= length;
2418
for(i=0; i<length; i++)
2420
double dist= i-middle;
2421
coeff[i]= exp( -dist*dist/(2*variance*variance) ) / sqrt(2*variance*PI);
2424
sws_normalizeVec(vec, 1.0);
2429
SwsVector *sws_getConstVec(double c, int length){
2431
double *coeff= memalign(sizeof(double), length*sizeof(double));
2432
SwsVector *vec= malloc(sizeof(SwsVector));
2435
vec->length= length;
2437
for(i=0; i<length; i++)
2444
SwsVector *sws_getIdentityVec(void){
2445
return sws_getConstVec(1.0, 1);
2448
double sws_dcVec(SwsVector *a){
2452
for(i=0; i<a->length; i++)
2458
void sws_scaleVec(SwsVector *a, double scalar){
2461
for(i=0; i<a->length; i++)
2462
a->coeff[i]*= scalar;
2465
void sws_normalizeVec(SwsVector *a, double height){
2466
sws_scaleVec(a, height/sws_dcVec(a));
2469
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){
2470
int length= a->length + b->length - 1;
2471
double *coeff= memalign(sizeof(double), length*sizeof(double));
2473
SwsVector *vec= malloc(sizeof(SwsVector));
2476
vec->length= length;
2478
for(i=0; i<length; i++) coeff[i]= 0.0;
2480
for(i=0; i<a->length; i++)
2482
for(j=0; j<b->length; j++)
2484
coeff[i+j]+= a->coeff[i]*b->coeff[j];
2491
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){
2492
int length= MAX(a->length, b->length);
2493
double *coeff= memalign(sizeof(double), length*sizeof(double));
2495
SwsVector *vec= malloc(sizeof(SwsVector));
2498
vec->length= length;
2500
for(i=0; i<length; i++) coeff[i]= 0.0;
2502
for(i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
2503
for(i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];
2508
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
2509
int length= MAX(a->length, b->length);
2510
double *coeff= memalign(sizeof(double), length*sizeof(double));
2512
SwsVector *vec= malloc(sizeof(SwsVector));
2515
vec->length= length;
2517
for(i=0; i<length; i++) coeff[i]= 0.0;
2519
for(i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
2520
for(i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
2525
/* shift left / or right if "shift" is negative */
2526
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){
2527
int length= a->length + ABS(shift)*2;
2528
double *coeff= memalign(sizeof(double), length*sizeof(double));
2530
SwsVector *vec= malloc(sizeof(SwsVector));
2533
vec->length= length;
2535
for(i=0; i<length; i++) coeff[i]= 0.0;
2537
for(i=0; i<a->length; i++)
2539
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i];
2545
void sws_shiftVec(SwsVector *a, int shift){
2546
SwsVector *shifted= sws_getShiftedVec(a, shift);
2548
a->coeff= shifted->coeff;
2549
a->length= shifted->length;
2553
void sws_addVec(SwsVector *a, SwsVector *b){
2554
SwsVector *sum= sws_sumVec(a, b);
2556
a->coeff= sum->coeff;
2557
a->length= sum->length;
2561
void sws_subVec(SwsVector *a, SwsVector *b){
2562
SwsVector *diff= sws_diffVec(a, b);
2564
a->coeff= diff->coeff;
2565
a->length= diff->length;
2569
void sws_convVec(SwsVector *a, SwsVector *b){
2570
SwsVector *conv= sws_getConvVec(a, b);
2572
a->coeff= conv->coeff;
2573
a->length= conv->length;
2577
SwsVector *sws_cloneVec(SwsVector *a){
2578
double *coeff= memalign(sizeof(double), a->length*sizeof(double));
2580
SwsVector *vec= malloc(sizeof(SwsVector));
2583
vec->length= a->length;
2585
for(i=0; i<a->length; i++) coeff[i]= a->coeff[i];
2590
void sws_printVec(SwsVector *a){
2596
for(i=0; i<a->length; i++)
2597
if(a->coeff[i]>max) max= a->coeff[i];
2599
for(i=0; i<a->length; i++)
2600
if(a->coeff[i]<min) min= a->coeff[i];
2604
for(i=0; i<a->length; i++)
2606
int x= (int)((a->coeff[i]-min)*60.0/range +0.5);
2607
MSG_DBG2("%1.3f ", a->coeff[i]);
2608
for(;x>0; x--) MSG_DBG2(" ");
2613
void sws_freeVec(SwsVector *a){
2615
if(a->coeff) free(a->coeff);
2621
void sws_freeFilter(SwsFilter *filter){
2624
if(filter->lumH) sws_freeVec(filter->lumH);
2625
if(filter->lumV) sws_freeVec(filter->lumV);
2626
if(filter->chrH) sws_freeVec(filter->chrH);
2627
if(filter->chrV) sws_freeVec(filter->chrV);
2632
void sws_freeContext(SwsContext *c){
2638
for(i=0; i<c->vLumBufSize; i++)
2640
if(c->lumPixBuf[i]) free(c->lumPixBuf[i]);
2641
c->lumPixBuf[i]=NULL;
2649
for(i=0; i<c->vChrBufSize; i++)
2651
if(c->chrPixBuf[i]) free(c->chrPixBuf[i]);
2652
c->chrPixBuf[i]=NULL;
2658
if(c->vLumFilter) free(c->vLumFilter);
2659
c->vLumFilter = NULL;
2660
if(c->vChrFilter) free(c->vChrFilter);
2661
c->vChrFilter = NULL;
2662
if(c->hLumFilter) free(c->hLumFilter);
2663
c->hLumFilter = NULL;
2664
if(c->hChrFilter) free(c->hChrFilter);
2665
c->hChrFilter = NULL;
2667
if(c->vYCoeffsBank) free(c->vYCoeffsBank);
2668
c->vYCoeffsBank = NULL;
2669
if(c->vCCoeffsBank) free(c->vCCoeffsBank);
2670
c->vCCoeffsBank = NULL;
2673
if(c->vLumFilterPos) free(c->vLumFilterPos);
2674
c->vLumFilterPos = NULL;
2675
if(c->vChrFilterPos) free(c->vChrFilterPos);
2676
c->vChrFilterPos = NULL;
2677
if(c->hLumFilterPos) free(c->hLumFilterPos);
2678
c->hLumFilterPos = NULL;
2679
if(c->hChrFilterPos) free(c->hChrFilterPos);
2680
c->hChrFilterPos = NULL;
2682
#if defined(ARCH_X86) || defined(ARCH_X86_64)
2683
#ifdef MAP_ANONYMOUS
2684
if(c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE);
2685
if(c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE);
2687
if(c->funnyYCode) free(c->funnyYCode);
2688
if(c->funnyUVCode) free(c->funnyUVCode);
2691
c->funnyUVCode=NULL;
2694
if(c->lumMmx2Filter) free(c->lumMmx2Filter);
2695
c->lumMmx2Filter=NULL;
2696
if(c->chrMmx2Filter) free(c->chrMmx2Filter);
2697
c->chrMmx2Filter=NULL;
2698
if(c->lumMmx2FilterPos) free(c->lumMmx2FilterPos);
2699
c->lumMmx2FilterPos=NULL;
2700
if(c->chrMmx2FilterPos) free(c->chrMmx2FilterPos);
2701
c->chrMmx2FilterPos=NULL;
2702
if(c->yuvTable) free(c->yuvTable);
added
removed
postproc/swscale.c
