ffmpeg / libswscale / swscale.c @ 69796008
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/*
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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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*/
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/*
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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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x -> x
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YUV9 -> YV12
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YUV9/YV12 -> Y800
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Y800 -> YUV9/YV12
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BGR24 -> BGR32 & RGB24 -> RGB32
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BGR32 -> BGR24 & RGB32 -> RGB24
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BGR15 -> BGR16
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*/
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/*
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tested special converters (most are tested actually but i didnt write it down ...)
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YV12 -> BGR16
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YV12 -> YV12
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BGR15 -> BGR16
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BGR16 -> BGR16
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YVU9 -> YV12
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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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BGR24 -> YV12
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*/
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#include <inttypes.h> |
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#include <string.h> |
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#include <math.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include "config.h" |
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#include <assert.h> |
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#ifdef HAVE_MALLOC_H
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#include <malloc.h> |
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#else
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#include <stdlib.h> |
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#endif
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#ifdef HAVE_SYS_MMAN_H
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#include <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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#endif
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#endif
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#include "swscale.h" |
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#include "swscale_internal.h" |
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#include "x86_cpu.h" |
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#include "bswap.h" |
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#include "img_format.h" |
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#include "rgb2rgb.h" |
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#ifdef USE_FASTMEMCPY
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#include "libvo/fastmemcpy.h" |
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#endif
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#undef MOVNTQ
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#undef PAVGB
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//#undef HAVE_MMX2
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//#define HAVE_3DNOW
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//#undef HAVE_MMX
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//#undef ARCH_X86
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//#define WORDS_BIGENDIAN
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#define DITHER1XBPP
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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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#ifdef MP_DEBUG
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#define ASSERT(x) assert(x);
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#else
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#define ASSERT(x) ;
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#endif
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#ifdef M_PI
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#define PI M_PI
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#else
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#define PI 3.14159265358979323846 |
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#endif
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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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/*
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NOTES
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Special versions: fast Y 1:1 scaling (no interpolation in y direction)
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TODO
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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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*/
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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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#ifdef FAST_BGR2YV12
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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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#else
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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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#endif /* FAST_BGR2YV12 */ |
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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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#endif /* defined(ARCH_X86) || defined(ARCH_X86_64) */ |
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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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char *sws_format_name(int format) |
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{
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static char fmt_name[64]; |
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char *res;
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static int buffer; |
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res = fmt_name + buffer * 32;
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buffer = 1 - buffer;
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snprintf(res, 32, "0x%x (%c%c%c%c)", format, |
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format >> 24, (format >> 16) & 0xFF, |
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(format >> 8) & 0xFF, |
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format & 0xFF);
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return res;
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} |
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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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{
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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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if(i) i=0; |
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} |
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#endif
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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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{
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//FIXME Optimize (just quickly writen not opti..)
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int i;
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for(i=0; i<dstW; i++) |
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{
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int val=1<<18; |
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int j;
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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]= FFMIN(FFMAX(val>>19, 0), 255); |
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} |
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if(uDest != NULL) |
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for(i=0; i<chrDstW; i++) |
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{
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int u=1<<18; |
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int v=1<<18; |
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int j;
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for(j=0; j<chrFilterSize; j++) |
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{
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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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} |
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uDest[i]= FFMIN(FFMAX(u>>19, 0), 255); |
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vDest[i]= FFMIN(FFMAX(v>>19, 0), 255); |
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} |
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} |
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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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{
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//FIXME Optimize (just quickly writen not opti..)
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int i;
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for(i=0; i<dstW; i++) |
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{
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int val=1<<18; |
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int j;
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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]= FFMIN(FFMAX(val>>19, 0), 255); |
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} |
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if(uDest == NULL) |
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return;
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if(dstFormat == IMGFMT_NV12)
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for(i=0; i<chrDstW; i++) |
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{
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int u=1<<18; |
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int v=1<<18; |
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int j;
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for(j=0; j<chrFilterSize; j++) |
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{
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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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} |
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uDest[2*i]= FFMIN(FFMAX(u>>19, 0), 255); |
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uDest[2*i+1]= FFMIN(FFMAX(v>>19, 0), 255); |
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} |
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else
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for(i=0; i<chrDstW; i++) |
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{
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int u=1<<18; |
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int v=1<<18; |
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int j;
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for(j=0; j<chrFilterSize; j++) |
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{
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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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} |
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uDest[2*i]= FFMIN(FFMAX(v>>19, 0), 255); |
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uDest[2*i+1]= FFMIN(FFMAX(u>>19, 0), 255); |
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} |
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} |
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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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int j;\
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int Y1=1<<18;\ |
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int Y2=1<<18;\ |
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int U=1<<18;\ |
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int V=1<<18;\ |
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type *r, *b, *g;\ |
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const int i2= 2*i;\ |
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\ |
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for(j=0; j<lumFilterSize; j++)\ |
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{\
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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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}\ |
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for(j=0; j<chrFilterSize; j++)\ |
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{\
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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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}\ |
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Y1>>=19;\
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Y2>>=19;\
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U >>=19;\
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V >>=19;\
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if((Y1|Y2|U|V)&256)\ |
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{\
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if(Y1>255) Y1=255;\ |
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else if(Y1<0)Y1=0;\ |
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if(Y2>255) Y2=255;\ |
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else if(Y2<0)Y2=0;\ |
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if(U>255) U=255;\ |
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else if(U<0) U=0;\ |
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if(V>255) V=255;\ |
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else if(V<0) V=0;\ |
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} |
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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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r = c->table_rV[V];\ |
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g = c->table_gU[U] + c->table_gV[V];\ |
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b = c->table_bU[U];\ |
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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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const int i2= 2*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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type *r, *b, *g;\ |
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r = c->table_rV[V];\ |
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g = c->table_gU[U] + c->table_gV[V];\ |
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b = c->table_bU[U];\ |
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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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const int i2= 2*i;\ |
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int Y1= buf0[i2 ]>>7;\ |
| 384 |
int Y2= buf0[i2+1]>>7;\ |
| 385 |
int U= (uvbuf1[i ])>>7;\ |
| 386 |
int V= (uvbuf1[i+2048])>>7;\ |
| 387 |
|
| 388 |
#define YSCALE_YUV_2_RGB1_C(type) \
|
| 389 |
YSCALE_YUV_2_PACKED1_C\ |
| 390 |
type *r, *b, *g;\ |
| 391 |
r = c->table_rV[V];\ |
| 392 |
g = c->table_gU[U] + c->table_gV[V];\ |
| 393 |
b = c->table_bU[U];\ |
| 394 |
|
| 395 |
#define YSCALE_YUV_2_PACKED1B_C \
|
| 396 |
for(i=0; i<(dstW>>1); i++){\ |
| 397 |
const int i2= 2*i;\ |
| 398 |
int Y1= buf0[i2 ]>>7;\ |
| 399 |
int Y2= buf0[i2+1]>>7;\ |
| 400 |
int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ |
| 401 |
int V= (uvbuf0[i+2048] + uvbuf1[i+2048])>>8;\ |
| 402 |
|
| 403 |
#define YSCALE_YUV_2_RGB1B_C(type) \
|
| 404 |
YSCALE_YUV_2_PACKED1B_C\ |
| 405 |
type *r, *b, *g;\ |
| 406 |
r = c->table_rV[V];\ |
| 407 |
g = c->table_gU[U] + c->table_gV[V];\ |
| 408 |
b = c->table_bU[U];\ |
| 409 |
|
| 410 |
#define YSCALE_YUV_2_ANYRGB_C(func, func2)\
|
| 411 |
switch(c->dstFormat)\
|
| 412 |
{\
|
| 413 |
case IMGFMT_BGR32:\
|
| 414 |
case IMGFMT_RGB32:\
|
| 415 |
func(uint32_t)\ |
| 416 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
| 417 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
| 418 |
} \ |
| 419 |
break;\
|
| 420 |
case IMGFMT_RGB24:\
|
| 421 |
func(uint8_t)\ |
| 422 |
((uint8_t*)dest)[0]= r[Y1];\
|
| 423 |
((uint8_t*)dest)[1]= g[Y1];\
|
| 424 |
((uint8_t*)dest)[2]= b[Y1];\
|
| 425 |
((uint8_t*)dest)[3]= r[Y2];\
|
| 426 |
((uint8_t*)dest)[4]= g[Y2];\
|
| 427 |
((uint8_t*)dest)[5]= b[Y2];\
|
| 428 |
dest+=6;\
|
| 429 |
}\ |
| 430 |
break;\
|
| 431 |
case IMGFMT_BGR24:\
|
| 432 |
func(uint8_t)\ |
| 433 |
((uint8_t*)dest)[0]= b[Y1];\
|
| 434 |
((uint8_t*)dest)[1]= g[Y1];\
|
| 435 |
((uint8_t*)dest)[2]= r[Y1];\
|
| 436 |
((uint8_t*)dest)[3]= b[Y2];\
|
| 437 |
((uint8_t*)dest)[4]= g[Y2];\
|
| 438 |
((uint8_t*)dest)[5]= r[Y2];\
|
| 439 |
dest+=6;\
|
| 440 |
}\ |
| 441 |
break;\
|
| 442 |
case IMGFMT_RGB16:\
|
| 443 |
case IMGFMT_BGR16:\
|
| 444 |
{\
|
| 445 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
| 446 |
const int dg1= dither_2x2_4[y&1 ][0];\ |
| 447 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
| 448 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
| 449 |
const int dg2= dither_2x2_4[y&1 ][1];\ |
| 450 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
| 451 |
func(uint16_t)\ |
| 452 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
| 453 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
| 454 |
}\ |
| 455 |
}\ |
| 456 |
break;\
|
| 457 |
case IMGFMT_RGB15:\
|
| 458 |
case IMGFMT_BGR15:\
|
| 459 |
{\
|
| 460 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
| 461 |
const int dg1= dither_2x2_8[y&1 ][1];\ |
| 462 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
| 463 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
| 464 |
const int dg2= dither_2x2_8[y&1 ][0];\ |
| 465 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
| 466 |
func(uint16_t)\ |
| 467 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
| 468 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
| 469 |
}\ |
| 470 |
}\ |
| 471 |
break;\
|
| 472 |
case IMGFMT_RGB8:\
|
| 473 |
case IMGFMT_BGR8:\
|
| 474 |
{\
|
| 475 |
const uint8_t * const d64= dither_8x8_73[y&7];\ |
| 476 |
const uint8_t * const d32= dither_8x8_32[y&7];\ |
| 477 |
func(uint8_t)\ |
| 478 |
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ |
| 479 |
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ |
| 480 |
}\ |
| 481 |
}\ |
| 482 |
break;\
|
| 483 |
case IMGFMT_RGB4:\
|
| 484 |
case IMGFMT_BGR4:\
|
| 485 |
{\
|
| 486 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
| 487 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 488 |
func(uint8_t)\ |
| 489 |
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ |
| 490 |
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ |
| 491 |
}\ |
| 492 |
}\ |
| 493 |
break;\
|
| 494 |
case IMGFMT_RG4B:\
|
| 495 |
case IMGFMT_BG4B:\
|
| 496 |
{\
|
| 497 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
| 498 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 499 |
func(uint8_t)\ |
| 500 |
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ |
| 501 |
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ |
| 502 |
}\ |
| 503 |
}\ |
| 504 |
break;\
|
| 505 |
case IMGFMT_RGB1:\
|
| 506 |
case IMGFMT_BGR1:\
|
| 507 |
{\
|
| 508 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 509 |
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
| 510 |
for(i=0; i<dstW-7; i+=8){\ |
| 511 |
int acc;\
|
| 512 |
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ |
| 513 |
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ |
| 514 |
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ |
| 515 |
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ |
| 516 |
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ |
| 517 |
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ |
| 518 |
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ |
| 519 |
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ |
| 520 |
((uint8_t*)dest)[0]= acc;\
|
| 521 |
dest++;\ |
| 522 |
}\ |
| 523 |
\ |
| 524 |
/*\
|
| 525 |
((uint8_t*)dest)-= dstW>>4;\
|
| 526 |
{\
|
| 527 |
int acc=0;\
|
| 528 |
int left=0;\
|
| 529 |
static int top[1024];\
|
| 530 |
static int last_new[1024][1024];\
|
| 531 |
static int last_in3[1024][1024];\
|
| 532 |
static int drift[1024][1024];\
|
| 533 |
int topLeft=0;\
|
| 534 |
int shift=0;\
|
| 535 |
int count=0;\
|
| 536 |
const uint8_t * const d128=dither_8x8_220[y&7];\
|
| 537 |
int error_new=0;\
|
| 538 |
int error_in3=0;\
|
| 539 |
int f=0;\
|
| 540 |
\
|
| 541 |
for(i=dstW>>1; i<dstW; i++){\
|
| 542 |
int in= ((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19);\
|
| 543 |
int in2 = (76309 * (in - 16) + 32768) >> 16;\
|
| 544 |
int in3 = (in2 < 0) ? 0 : ((in2 > 255) ? 255 : in2);\
|
| 545 |
int old= (left*7 + topLeft + top[i]*5 + top[i+1]*3)/20 + in3\
|
| 546 |
+ (last_new[y][i] - in3)*f/256;\
|
| 547 |
int new= old> 128 ? 255 : 0;\
|
| 548 |
\
|
| 549 |
error_new+= ABS(last_new[y][i] - new);\
|
| 550 |
error_in3+= ABS(last_in3[y][i] - in3);\
|
| 551 |
f= error_new - error_in3*4;\
|
| 552 |
if(f<0) f=0;\
|
| 553 |
if(f>256) f=256;\
|
| 554 |
\
|
| 555 |
topLeft= top[i];\
|
| 556 |
left= top[i]= old - new;\
|
| 557 |
last_new[y][i]= new;\
|
| 558 |
last_in3[y][i]= in3;\
|
| 559 |
\
|
| 560 |
acc+= acc + (new&1);\
|
| 561 |
if((i&7)==6){\
|
| 562 |
((uint8_t*)dest)[0]= acc;\
|
| 563 |
((uint8_t*)dest)++;\
|
| 564 |
}\
|
| 565 |
}\
|
| 566 |
}\
|
| 567 |
*/\
|
| 568 |
}\ |
| 569 |
break;\
|
| 570 |
case IMGFMT_YUY2:\
|
| 571 |
func2\ |
| 572 |
((uint8_t*)dest)[2*i2+0]= Y1;\ |
| 573 |
((uint8_t*)dest)[2*i2+1]= U;\ |
| 574 |
((uint8_t*)dest)[2*i2+2]= Y2;\ |
| 575 |
((uint8_t*)dest)[2*i2+3]= V;\ |
| 576 |
} \ |
| 577 |
break;\
|
| 578 |
case IMGFMT_UYVY:\
|
| 579 |
func2\ |
| 580 |
((uint8_t*)dest)[2*i2+0]= U;\ |
| 581 |
((uint8_t*)dest)[2*i2+1]= Y1;\ |
| 582 |
((uint8_t*)dest)[2*i2+2]= V;\ |
| 583 |
((uint8_t*)dest)[2*i2+3]= Y2;\ |
| 584 |
} \ |
| 585 |
break;\
|
| 586 |
}\ |
| 587 |
|
| 588 |
|
| 589 |
static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| 590 |
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
| 591 |
uint8_t *dest, int dstW, int y) |
| 592 |
{
|
| 593 |
int i;
|
| 594 |
switch(c->dstFormat)
|
| 595 |
{
|
| 596 |
case IMGFMT_RGB32:
|
| 597 |
case IMGFMT_BGR32:
|
| 598 |
YSCALE_YUV_2_RGBX_C(uint32_t) |
| 599 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];
|
| 600 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];
|
| 601 |
} |
| 602 |
break;
|
| 603 |
case IMGFMT_RGB24:
|
| 604 |
YSCALE_YUV_2_RGBX_C(uint8_t) |
| 605 |
((uint8_t*)dest)[0]= r[Y1];
|
| 606 |
((uint8_t*)dest)[1]= g[Y1];
|
| 607 |
((uint8_t*)dest)[2]= b[Y1];
|
| 608 |
((uint8_t*)dest)[3]= r[Y2];
|
| 609 |
((uint8_t*)dest)[4]= g[Y2];
|
| 610 |
((uint8_t*)dest)[5]= b[Y2];
|
| 611 |
dest+=6;
|
| 612 |
} |
| 613 |
break;
|
| 614 |
case IMGFMT_BGR24:
|
| 615 |
YSCALE_YUV_2_RGBX_C(uint8_t) |
| 616 |
((uint8_t*)dest)[0]= b[Y1];
|
| 617 |
((uint8_t*)dest)[1]= g[Y1];
|
| 618 |
((uint8_t*)dest)[2]= r[Y1];
|
| 619 |
((uint8_t*)dest)[3]= b[Y2];
|
| 620 |
((uint8_t*)dest)[4]= g[Y2];
|
| 621 |
((uint8_t*)dest)[5]= r[Y2];
|
| 622 |
dest+=6;
|
| 623 |
} |
| 624 |
break;
|
| 625 |
case IMGFMT_RGB16:
|
| 626 |
case IMGFMT_BGR16:
|
| 627 |
{
|
| 628 |
const int dr1= dither_2x2_8[y&1 ][0]; |
| 629 |
const int dg1= dither_2x2_4[y&1 ][0]; |
| 630 |
const int db1= dither_2x2_8[(y&1)^1][0]; |
| 631 |
const int dr2= dither_2x2_8[y&1 ][1]; |
| 632 |
const int dg2= dither_2x2_4[y&1 ][1]; |
| 633 |
const int db2= dither_2x2_8[(y&1)^1][1]; |
| 634 |
YSCALE_YUV_2_RGBX_C(uint16_t) |
| 635 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
|
| 636 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
|
| 637 |
} |
| 638 |
} |
| 639 |
break;
|
| 640 |
case IMGFMT_RGB15:
|
| 641 |
case IMGFMT_BGR15:
|
| 642 |
{
|
| 643 |
const int dr1= dither_2x2_8[y&1 ][0]; |
| 644 |
const int dg1= dither_2x2_8[y&1 ][1]; |
| 645 |
const int db1= dither_2x2_8[(y&1)^1][0]; |
| 646 |
const int dr2= dither_2x2_8[y&1 ][1]; |
| 647 |
const int dg2= dither_2x2_8[y&1 ][0]; |
| 648 |
const int db2= dither_2x2_8[(y&1)^1][1]; |
| 649 |
YSCALE_YUV_2_RGBX_C(uint16_t) |
| 650 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];
|
| 651 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];
|
| 652 |
} |
| 653 |
} |
| 654 |
break;
|
| 655 |
case IMGFMT_RGB8:
|
| 656 |
case IMGFMT_BGR8:
|
| 657 |
{
|
| 658 |
const uint8_t * const d64= dither_8x8_73[y&7]; |
| 659 |
const uint8_t * const d32= dither_8x8_32[y&7]; |
| 660 |
YSCALE_YUV_2_RGBX_C(uint8_t) |
| 661 |
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]]; |
| 662 |
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]]; |
| 663 |
} |
| 664 |
} |
| 665 |
break;
|
| 666 |
case IMGFMT_RGB4:
|
| 667 |
case IMGFMT_BGR4:
|
| 668 |
{
|
| 669 |
const uint8_t * const d64= dither_8x8_73 [y&7]; |
| 670 |
const uint8_t * const d128=dither_8x8_220[y&7]; |
| 671 |
YSCALE_YUV_2_RGBX_C(uint8_t) |
| 672 |
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]] |
| 673 |
+((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4); |
| 674 |
} |
| 675 |
} |
| 676 |
break;
|
| 677 |
case IMGFMT_RG4B:
|
| 678 |
case IMGFMT_BG4B:
|
| 679 |
{
|
| 680 |
const uint8_t * const d64= dither_8x8_73 [y&7]; |
| 681 |
const uint8_t * const d128=dither_8x8_220[y&7]; |
| 682 |
YSCALE_YUV_2_RGBX_C(uint8_t) |
| 683 |
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]; |
| 684 |
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]]; |
| 685 |
} |
| 686 |
} |
| 687 |
break;
|
| 688 |
case IMGFMT_RGB1:
|
| 689 |
case IMGFMT_BGR1:
|
| 690 |
{
|
| 691 |
const uint8_t * const d128=dither_8x8_220[y&7]; |
| 692 |
uint8_t *g= c->table_gU[128] + c->table_gV[128]; |
| 693 |
int acc=0; |
| 694 |
for(i=0; i<dstW-1; i+=2){ |
| 695 |
int j;
|
| 696 |
int Y1=1<<18; |
| 697 |
int Y2=1<<18; |
| 698 |
|
| 699 |
for(j=0; j<lumFilterSize; j++) |
| 700 |
{
|
| 701 |
Y1 += lumSrc[j][i] * lumFilter[j]; |
| 702 |
Y2 += lumSrc[j][i+1] * lumFilter[j];
|
| 703 |
} |
| 704 |
Y1>>=19;
|
| 705 |
Y2>>=19;
|
| 706 |
if((Y1|Y2)&256) |
| 707 |
{
|
| 708 |
if(Y1>255) Y1=255; |
| 709 |
else if(Y1<0)Y1=0; |
| 710 |
if(Y2>255) Y2=255; |
| 711 |
else if(Y2<0)Y2=0; |
| 712 |
} |
| 713 |
acc+= acc + g[Y1+d128[(i+0)&7]]; |
| 714 |
acc+= acc + g[Y2+d128[(i+1)&7]]; |
| 715 |
if((i&7)==6){ |
| 716 |
((uint8_t*)dest)[0]= acc;
|
| 717 |
dest++; |
| 718 |
} |
| 719 |
} |
| 720 |
} |
| 721 |
break;
|
| 722 |
case IMGFMT_YUY2:
|
| 723 |
YSCALE_YUV_2_PACKEDX_C(void)
|
| 724 |
((uint8_t*)dest)[2*i2+0]= Y1; |
| 725 |
((uint8_t*)dest)[2*i2+1]= U; |
| 726 |
((uint8_t*)dest)[2*i2+2]= Y2; |
| 727 |
((uint8_t*)dest)[2*i2+3]= V; |
| 728 |
} |
| 729 |
break;
|
| 730 |
case IMGFMT_UYVY:
|
| 731 |
YSCALE_YUV_2_PACKEDX_C(void)
|
| 732 |
((uint8_t*)dest)[2*i2+0]= U; |
| 733 |
((uint8_t*)dest)[2*i2+1]= Y1; |
| 734 |
((uint8_t*)dest)[2*i2+2]= V; |
| 735 |
((uint8_t*)dest)[2*i2+3]= Y2; |
| 736 |
} |
| 737 |
break;
|
| 738 |
} |
| 739 |
} |
| 740 |
|
| 741 |
|
| 742 |
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
|
| 743 |
//Plain C versions
|
| 744 |
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT)
|
| 745 |
#define COMPILE_C
|
| 746 |
#endif
|
| 747 |
|
| 748 |
#ifdef ARCH_POWERPC
|
| 749 |
#if defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)
|
| 750 |
#define COMPILE_ALTIVEC
|
| 751 |
#endif //HAVE_ALTIVEC |
| 752 |
#endif //ARCH_POWERPC |
| 753 |
|
| 754 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 755 |
|
| 756 |
#if (defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
| 757 |
#define COMPILE_MMX
|
| 758 |
#endif
|
| 759 |
|
| 760 |
#if defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)
|
| 761 |
#define COMPILE_MMX2
|
| 762 |
#endif
|
| 763 |
|
| 764 |
#if (defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)
|
| 765 |
#define COMPILE_3DNOW
|
| 766 |
#endif
|
| 767 |
#endif //ARCH_X86 || ARCH_X86_64 |
| 768 |
|
| 769 |
#undef HAVE_MMX
|
| 770 |
#undef HAVE_MMX2
|
| 771 |
#undef HAVE_3DNOW
|
| 772 |
|
| 773 |
#ifdef COMPILE_C
|
| 774 |
#undef HAVE_MMX
|
| 775 |
#undef HAVE_MMX2
|
| 776 |
#undef HAVE_3DNOW
|
| 777 |
#undef HAVE_ALTIVEC
|
| 778 |
#define RENAME(a) a ## _C |
| 779 |
#include "swscale_template.c" |
| 780 |
#endif
|
| 781 |
|
| 782 |
#ifdef ARCH_POWERPC
|
| 783 |
#ifdef COMPILE_ALTIVEC
|
| 784 |
#undef RENAME
|
| 785 |
#define HAVE_ALTIVEC
|
| 786 |
#define RENAME(a) a ## _altivec |
| 787 |
#include "swscale_template.c" |
| 788 |
#endif
|
| 789 |
#endif //ARCH_POWERPC |
| 790 |
|
| 791 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 792 |
|
| 793 |
//X86 versions
|
| 794 |
/*
|
| 795 |
#undef RENAME
|
| 796 |
#undef HAVE_MMX
|
| 797 |
#undef HAVE_MMX2
|
| 798 |
#undef HAVE_3DNOW
|
| 799 |
#define ARCH_X86
|
| 800 |
#define RENAME(a) a ## _X86
|
| 801 |
#include "swscale_template.c"
|
| 802 |
*/
|
| 803 |
//MMX versions
|
| 804 |
#ifdef COMPILE_MMX
|
| 805 |
#undef RENAME
|
| 806 |
#define HAVE_MMX
|
| 807 |
#undef HAVE_MMX2
|
| 808 |
#undef HAVE_3DNOW
|
| 809 |
#define RENAME(a) a ## _MMX |
| 810 |
#include "swscale_template.c" |
| 811 |
#endif
|
| 812 |
|
| 813 |
//MMX2 versions
|
| 814 |
#ifdef COMPILE_MMX2
|
| 815 |
#undef RENAME
|
| 816 |
#define HAVE_MMX
|
| 817 |
#define HAVE_MMX2
|
| 818 |
#undef HAVE_3DNOW
|
| 819 |
#define RENAME(a) a ## _MMX2 |
| 820 |
#include "swscale_template.c" |
| 821 |
#endif
|
| 822 |
|
| 823 |
//3DNOW versions
|
| 824 |
#ifdef COMPILE_3DNOW
|
| 825 |
#undef RENAME
|
| 826 |
#define HAVE_MMX
|
| 827 |
#undef HAVE_MMX2
|
| 828 |
#define HAVE_3DNOW
|
| 829 |
#define RENAME(a) a ## _3DNow |
| 830 |
#include "swscale_template.c" |
| 831 |
#endif
|
| 832 |
|
| 833 |
#endif //ARCH_X86 || ARCH_X86_64 |
| 834 |
|
| 835 |
// minor note: the HAVE_xyz is messed up after that line so don't use it
|
| 836 |
|
| 837 |
static double getSplineCoeff(double a, double b, double c, double d, double dist) |
| 838 |
{
|
| 839 |
// printf("%f %f %f %f %f\n", a,b,c,d,dist);
|
| 840 |
if(dist<=1.0) return ((d*dist + c)*dist + b)*dist +a; |
| 841 |
else return getSplineCoeff( 0.0, |
| 842 |
b+ 2.0*c + 3.0*d, |
| 843 |
c + 3.0*d, |
| 844 |
-b- 3.0*c - 6.0*d, |
| 845 |
dist-1.0); |
| 846 |
} |
| 847 |
|
| 848 |
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, |
| 849 |
int srcW, int dstW, int filterAlign, int one, int flags, |
| 850 |
SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) |
| 851 |
{
|
| 852 |
int i;
|
| 853 |
int filterSize;
|
| 854 |
int filter2Size;
|
| 855 |
int minFilterSize;
|
| 856 |
double *filter=NULL; |
| 857 |
double *filter2=NULL; |
| 858 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 859 |
if(flags & SWS_CPU_CAPS_MMX)
|
| 860 |
asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions) |
| 861 |
#endif
|
| 862 |
|
| 863 |
// Note the +1 is for the MMXscaler which reads over the end
|
| 864 |
*filterPos = av_malloc((dstW+1)*sizeof(int16_t)); |
| 865 |
|
| 866 |
if(ABS(xInc - 0x10000) <10) // unscaled |
| 867 |
{
|
| 868 |
int i;
|
| 869 |
filterSize= 1;
|
| 870 |
filter= av_malloc(dstW*sizeof(double)*filterSize); |
| 871 |
for(i=0; i<dstW*filterSize; i++) filter[i]=0; |
| 872 |
|
| 873 |
for(i=0; i<dstW; i++) |
| 874 |
{
|
| 875 |
filter[i*filterSize]=1;
|
| 876 |
(*filterPos)[i]=i; |
| 877 |
} |
| 878 |
|
| 879 |
} |
| 880 |
else if(flags&SWS_POINT) // lame looking point sampling mode |
| 881 |
{
|
| 882 |
int i;
|
| 883 |
int xDstInSrc;
|
| 884 |
filterSize= 1;
|
| 885 |
filter= av_malloc(dstW*sizeof(double)*filterSize); |
| 886 |
|
| 887 |
xDstInSrc= xInc/2 - 0x8000; |
| 888 |
for(i=0; i<dstW; i++) |
| 889 |
{
|
| 890 |
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
| 891 |
|
| 892 |
(*filterPos)[i]= xx; |
| 893 |
filter[i]= 1.0; |
| 894 |
xDstInSrc+= xInc; |
| 895 |
} |
| 896 |
} |
| 897 |
else if((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale |
| 898 |
{
|
| 899 |
int i;
|
| 900 |
int xDstInSrc;
|
| 901 |
if (flags&SWS_BICUBIC) filterSize= 4; |
| 902 |
else if(flags&SWS_X ) filterSize= 4; |
| 903 |
else filterSize= 2; // SWS_BILINEAR / SWS_AREA |
| 904 |
filter= av_malloc(dstW*sizeof(double)*filterSize); |
| 905 |
|
| 906 |
xDstInSrc= xInc/2 - 0x8000; |
| 907 |
for(i=0; i<dstW; i++) |
| 908 |
{
|
| 909 |
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
| 910 |
int j;
|
| 911 |
|
| 912 |
(*filterPos)[i]= xx; |
| 913 |
//Bilinear upscale / linear interpolate / Area averaging
|
| 914 |
for(j=0; j<filterSize; j++) |
| 915 |
{
|
| 916 |
double d= ABS((xx<<16) - xDstInSrc)/(double)(1<<16); |
| 917 |
double coeff= 1.0 - d; |
| 918 |
if(coeff<0) coeff=0; |
| 919 |
filter[i*filterSize + j]= coeff; |
| 920 |
xx++; |
| 921 |
} |
| 922 |
xDstInSrc+= xInc; |
| 923 |
} |
| 924 |
} |
| 925 |
else
|
| 926 |
{
|
| 927 |
double xDstInSrc;
|
| 928 |
double sizeFactor, filterSizeInSrc;
|
| 929 |
const double xInc1= (double)xInc / (double)(1<<16); |
| 930 |
|
| 931 |
if (flags&SWS_BICUBIC) sizeFactor= 4.0; |
| 932 |
else if(flags&SWS_X) sizeFactor= 8.0; |
| 933 |
else if(flags&SWS_AREA) sizeFactor= 1.0; //downscale only, for upscale it is bilinear |
| 934 |
else if(flags&SWS_GAUSS) sizeFactor= 8.0; // infinite ;) |
| 935 |
else if(flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? 2.0*param[0] : 6.0; |
| 936 |
else if(flags&SWS_SINC) sizeFactor= 20.0; // infinite ;) |
| 937 |
else if(flags&SWS_SPLINE) sizeFactor= 20.0; // infinite ;) |
| 938 |
else if(flags&SWS_BILINEAR) sizeFactor= 2.0; |
| 939 |
else {
|
| 940 |
sizeFactor= 0.0; //GCC warning killer |
| 941 |
ASSERT(0)
|
| 942 |
} |
| 943 |
|
| 944 |
if(xInc1 <= 1.0) filterSizeInSrc= sizeFactor; // upscale |
| 945 |
else filterSizeInSrc= sizeFactor*srcW / (double)dstW; |
| 946 |
|
| 947 |
filterSize= (int)ceil(1 + filterSizeInSrc); // will be reduced later if possible |
| 948 |
if(filterSize > srcW-2) filterSize=srcW-2; |
| 949 |
|
| 950 |
filter= av_malloc(dstW*sizeof(double)*filterSize); |
| 951 |
|
| 952 |
xDstInSrc= xInc1 / 2.0 - 0.5; |
| 953 |
for(i=0; i<dstW; i++) |
| 954 |
{
|
| 955 |
int xx= (int)(xDstInSrc - (filterSize-1)*0.5 + 0.5); |
| 956 |
int j;
|
| 957 |
(*filterPos)[i]= xx; |
| 958 |
for(j=0; j<filterSize; j++) |
| 959 |
{
|
| 960 |
double d= ABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor;
|
| 961 |
double coeff;
|
| 962 |
if(flags & SWS_BICUBIC)
|
| 963 |
{
|
| 964 |
double B= param[0] != SWS_PARAM_DEFAULT ? param[0] : 0.0; |
| 965 |
double C= param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6; |
| 966 |
|
| 967 |
if(d<1.0) |
| 968 |
coeff = (12-9*B-6*C)*d*d*d + (-18+12*B+6*C)*d*d + 6-2*B; |
| 969 |
else if(d<2.0) |
| 970 |
coeff = (-B-6*C)*d*d*d + (6*B+30*C)*d*d + (-12*B-48*C)*d +8*B+24*C; |
| 971 |
else
|
| 972 |
coeff=0.0; |
| 973 |
} |
| 974 |
/* else if(flags & SWS_X)
|
| 975 |
{
|
| 976 |
double p= param ? param*0.01 : 0.3;
|
| 977 |
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
|
| 978 |
coeff*= pow(2.0, - p*d*d);
|
| 979 |
}*/
|
| 980 |
else if(flags & SWS_X) |
| 981 |
{
|
| 982 |
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; |
| 983 |
|
| 984 |
if(d<1.0) |
| 985 |
coeff = cos(d*PI); |
| 986 |
else
|
| 987 |
coeff=-1.0; |
| 988 |
if(coeff<0.0) coeff= -pow(-coeff, A); |
| 989 |
else coeff= pow( coeff, A);
|
| 990 |
coeff= coeff*0.5 + 0.5; |
| 991 |
} |
| 992 |
else if(flags & SWS_AREA) |
| 993 |
{
|
| 994 |
double srcPixelSize= 1.0/xInc1; |
| 995 |
if(d + srcPixelSize/2 < 0.5) coeff= 1.0; |
| 996 |
else if(d - srcPixelSize/2 < 0.5) coeff= (0.5-d)/srcPixelSize + 0.5; |
| 997 |
else coeff=0.0; |
| 998 |
} |
| 999 |
else if(flags & SWS_GAUSS) |
| 1000 |
{
|
| 1001 |
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
| 1002 |
coeff = pow(2.0, - p*d*d); |
| 1003 |
} |
| 1004 |
else if(flags & SWS_SINC) |
| 1005 |
{
|
| 1006 |
coeff = d ? sin(d*PI)/(d*PI) : 1.0; |
| 1007 |
} |
| 1008 |
else if(flags & SWS_LANCZOS) |
| 1009 |
{
|
| 1010 |
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
| 1011 |
coeff = d ? sin(d*PI)*sin(d*PI/p)/(d*d*PI*PI/p) : 1.0; |
| 1012 |
if(d>p) coeff=0; |
| 1013 |
} |
| 1014 |
else if(flags & SWS_BILINEAR) |
| 1015 |
{
|
| 1016 |
coeff= 1.0 - d; |
| 1017 |
if(coeff<0) coeff=0; |
| 1018 |
} |
| 1019 |
else if(flags & SWS_SPLINE) |
| 1020 |
{
|
| 1021 |
double p=-2.196152422706632; |
| 1022 |
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, d); |
| 1023 |
} |
| 1024 |
else {
|
| 1025 |
coeff= 0.0; //GCC warning killer |
| 1026 |
ASSERT(0)
|
| 1027 |
} |
| 1028 |
|
| 1029 |
filter[i*filterSize + j]= coeff; |
| 1030 |
xx++; |
| 1031 |
} |
| 1032 |
xDstInSrc+= xInc1; |
| 1033 |
} |
| 1034 |
} |
| 1035 |
|
| 1036 |
/* apply src & dst Filter to filter -> filter2
|
| 1037 |
av_free(filter);
|
| 1038 |
*/
|
| 1039 |
ASSERT(filterSize>0)
|
| 1040 |
filter2Size= filterSize; |
| 1041 |
if(srcFilter) filter2Size+= srcFilter->length - 1; |
| 1042 |
if(dstFilter) filter2Size+= dstFilter->length - 1; |
| 1043 |
ASSERT(filter2Size>0)
|
| 1044 |
filter2= av_malloc(filter2Size*dstW*sizeof(double)); |
| 1045 |
|
| 1046 |
for(i=0; i<dstW; i++) |
| 1047 |
{
|
| 1048 |
int j;
|
| 1049 |
SwsVector scaleFilter; |
| 1050 |
SwsVector *outVec; |
| 1051 |
|
| 1052 |
scaleFilter.coeff= filter + i*filterSize; |
| 1053 |
scaleFilter.length= filterSize; |
| 1054 |
|
| 1055 |
if(srcFilter) outVec= sws_getConvVec(srcFilter, &scaleFilter);
|
| 1056 |
else outVec= &scaleFilter;
|
| 1057 |
|
| 1058 |
ASSERT(outVec->length == filter2Size) |
| 1059 |
//FIXME dstFilter
|
| 1060 |
|
| 1061 |
for(j=0; j<outVec->length; j++) |
| 1062 |
{
|
| 1063 |
filter2[i*filter2Size + j]= outVec->coeff[j]; |
| 1064 |
} |
| 1065 |
|
| 1066 |
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; |
| 1067 |
|
| 1068 |
if(outVec != &scaleFilter) sws_freeVec(outVec);
|
| 1069 |
} |
| 1070 |
av_free(filter); filter=NULL;
|
| 1071 |
|
| 1072 |
/* try to reduce the filter-size (step1 find size and shift left) */
|
| 1073 |
// Assume its near normalized (*0.5 or *2.0 is ok but * 0.001 is not)
|
| 1074 |
minFilterSize= 0;
|
| 1075 |
for(i=dstW-1; i>=0; i--) |
| 1076 |
{
|
| 1077 |
int min= filter2Size;
|
| 1078 |
int j;
|
| 1079 |
double cutOff=0.0; |
| 1080 |
|
| 1081 |
/* get rid off near zero elements on the left by shifting left */
|
| 1082 |
for(j=0; j<filter2Size; j++) |
| 1083 |
{
|
| 1084 |
int k;
|
| 1085 |
cutOff += ABS(filter2[i*filter2Size]); |
| 1086 |
|
| 1087 |
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break; |
| 1088 |
|
| 1089 |
/* preserve Monotonicity because the core can't handle the filter otherwise */
|
| 1090 |
if(i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; |
| 1091 |
|
| 1092 |
// Move filter coeffs left
|
| 1093 |
for(k=1; k<filter2Size; k++) |
| 1094 |
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
|
| 1095 |
filter2[i*filter2Size + k - 1]= 0.0; |
| 1096 |
(*filterPos)[i]++; |
| 1097 |
} |
| 1098 |
|
| 1099 |
cutOff=0.0; |
| 1100 |
/* count near zeros on the right */
|
| 1101 |
for(j=filter2Size-1; j>0; j--) |
| 1102 |
{
|
| 1103 |
cutOff += ABS(filter2[i*filter2Size + j]); |
| 1104 |
|
| 1105 |
if(cutOff > SWS_MAX_REDUCE_CUTOFF) break; |
| 1106 |
min--; |
| 1107 |
} |
| 1108 |
|
| 1109 |
if(min>minFilterSize) minFilterSize= min;
|
| 1110 |
} |
| 1111 |
|
| 1112 |
if (flags & SWS_CPU_CAPS_ALTIVEC) {
|
| 1113 |
// we can handle the special case 4,
|
| 1114 |
// so we don't want to go to the full 8
|
| 1115 |
if (minFilterSize < 5) |
| 1116 |
filterAlign = 4;
|
| 1117 |
|
| 1118 |
// we really don't want to waste our time
|
| 1119 |
// doing useless computation, so fall-back on
|
| 1120 |
// the scalar C code for very small filter.
|
| 1121 |
// vectorizing is worth it only if you have
|
| 1122 |
// decent-sized vector.
|
| 1123 |
if (minFilterSize < 3) |
| 1124 |
filterAlign = 1;
|
| 1125 |
} |
| 1126 |
|
| 1127 |
if (flags & SWS_CPU_CAPS_MMX) {
|
| 1128 |
// special case for unscaled vertical filtering
|
| 1129 |
if(minFilterSize == 1 && filterAlign == 2) |
| 1130 |
filterAlign= 1;
|
| 1131 |
} |
| 1132 |
|
| 1133 |
ASSERT(minFilterSize > 0)
|
| 1134 |
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); |
| 1135 |
ASSERT(filterSize > 0)
|
| 1136 |
filter= av_malloc(filterSize*dstW*sizeof(double)); |
| 1137 |
if(filterSize >= MAX_FILTER_SIZE)
|
| 1138 |
return -1; |
| 1139 |
*outFilterSize= filterSize; |
| 1140 |
|
| 1141 |
if(flags&SWS_PRINT_INFO)
|
| 1142 |
MSG_V("SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
|
| 1143 |
/* try to reduce the filter-size (step2 reduce it) */
|
| 1144 |
for(i=0; i<dstW; i++) |
| 1145 |
{
|
| 1146 |
int j;
|
| 1147 |
|
| 1148 |
for(j=0; j<filterSize; j++) |
| 1149 |
{
|
| 1150 |
if(j>=filter2Size) filter[i*filterSize + j]= 0.0; |
| 1151 |
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
|
| 1152 |
} |
| 1153 |
} |
| 1154 |
av_free(filter2); filter2=NULL;
|
| 1155 |
|
| 1156 |
|
| 1157 |
//FIXME try to align filterpos if possible
|
| 1158 |
|
| 1159 |
//fix borders
|
| 1160 |
for(i=0; i<dstW; i++) |
| 1161 |
{
|
| 1162 |
int j;
|
| 1163 |
if((*filterPos)[i] < 0) |
| 1164 |
{
|
| 1165 |
// Move filter coeffs left to compensate for filterPos
|
| 1166 |
for(j=1; j<filterSize; j++) |
| 1167 |
{
|
| 1168 |
int left= FFMAX(j + (*filterPos)[i], 0); |
| 1169 |
filter[i*filterSize + left] += filter[i*filterSize + j]; |
| 1170 |
filter[i*filterSize + j]=0;
|
| 1171 |
} |
| 1172 |
(*filterPos)[i]= 0;
|
| 1173 |
} |
| 1174 |
|
| 1175 |
if((*filterPos)[i] + filterSize > srcW)
|
| 1176 |
{
|
| 1177 |
int shift= (*filterPos)[i] + filterSize - srcW;
|
| 1178 |
// Move filter coeffs right to compensate for filterPos
|
| 1179 |
for(j=filterSize-2; j>=0; j--) |
| 1180 |
{
|
| 1181 |
int right= FFMIN(j + shift, filterSize-1); |
| 1182 |
filter[i*filterSize +right] += filter[i*filterSize +j]; |
| 1183 |
filter[i*filterSize +j]=0;
|
| 1184 |
} |
| 1185 |
(*filterPos)[i]= srcW - filterSize; |
| 1186 |
} |
| 1187 |
} |
| 1188 |
|
| 1189 |
// Note the +1 is for the MMXscaler which reads over the end
|
| 1190 |
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
|
| 1191 |
*outFilter= av_malloc(*outFilterSize*(dstW+1)*sizeof(int16_t)); |
| 1192 |
memset(*outFilter, 0, *outFilterSize*(dstW+1)*sizeof(int16_t)); |
| 1193 |
|
| 1194 |
/* Normalize & Store in outFilter */
|
| 1195 |
for(i=0; i<dstW; i++) |
| 1196 |
{
|
| 1197 |
int j;
|
| 1198 |
double error=0; |
| 1199 |
double sum=0; |
| 1200 |
double scale= one;
|
| 1201 |
|
| 1202 |
for(j=0; j<filterSize; j++) |
| 1203 |
{
|
| 1204 |
sum+= filter[i*filterSize + j]; |
| 1205 |
} |
| 1206 |
scale/= sum; |
| 1207 |
for(j=0; j<*outFilterSize; j++) |
| 1208 |
{
|
| 1209 |
double v= filter[i*filterSize + j]*scale + error;
|
| 1210 |
int intV= floor(v + 0.5); |
| 1211 |
(*outFilter)[i*(*outFilterSize) + j]= intV; |
| 1212 |
error = v - intV; |
| 1213 |
} |
| 1214 |
} |
| 1215 |
|
| 1216 |
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end |
| 1217 |
for(i=0; i<*outFilterSize; i++) |
| 1218 |
{
|
| 1219 |
int j= dstW*(*outFilterSize);
|
| 1220 |
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; |
| 1221 |
} |
| 1222 |
|
| 1223 |
av_free(filter); |
| 1224 |
return 0; |
| 1225 |
} |
| 1226 |
|
| 1227 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 1228 |
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) |
| 1229 |
{
|
| 1230 |
uint8_t *fragmentA; |
| 1231 |
long imm8OfPShufW1A;
|
| 1232 |
long imm8OfPShufW2A;
|
| 1233 |
long fragmentLengthA;
|
| 1234 |
uint8_t *fragmentB; |
| 1235 |
long imm8OfPShufW1B;
|
| 1236 |
long imm8OfPShufW2B;
|
| 1237 |
long fragmentLengthB;
|
| 1238 |
int fragmentPos;
|
| 1239 |
|
| 1240 |
int xpos, i;
|
| 1241 |
|
| 1242 |
// create an optimized horizontal scaling routine
|
| 1243 |
|
| 1244 |
//code fragment
|
| 1245 |
|
| 1246 |
asm volatile( |
| 1247 |
"jmp 9f \n\t"
|
| 1248 |
// Begin
|
| 1249 |
"0: \n\t"
|
| 1250 |
"movq (%%"REG_d", %%"REG_a"), %%mm3\n\t" |
| 1251 |
"movd (%%"REG_c", %%"REG_S"), %%mm0\n\t" |
| 1252 |
"movd 1(%%"REG_c", %%"REG_S"), %%mm1\n\t" |
| 1253 |
"punpcklbw %%mm7, %%mm1 \n\t"
|
| 1254 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 1255 |
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
|
| 1256 |
"1: \n\t"
|
| 1257 |
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
| 1258 |
"2: \n\t"
|
| 1259 |
"psubw %%mm1, %%mm0 \n\t"
|
| 1260 |
"movl 8(%%"REG_b", %%"REG_a"), %%esi\n\t" |
| 1261 |
"pmullw %%mm3, %%mm0 \n\t"
|
| 1262 |
"psllw $7, %%mm1 \n\t"
|
| 1263 |
"paddw %%mm1, %%mm0 \n\t"
|
| 1264 |
|
| 1265 |
"movq %%mm0, (%%"REG_D", %%"REG_a")\n\t" |
| 1266 |
|
| 1267 |
"add $8, %%"REG_a" \n\t" |
| 1268 |
// End
|
| 1269 |
"9: \n\t"
|
| 1270 |
// "int $3\n\t"
|
| 1271 |
"lea 0b, %0 \n\t"
|
| 1272 |
"lea 1b, %1 \n\t"
|
| 1273 |
"lea 2b, %2 \n\t"
|
| 1274 |
"dec %1 \n\t"
|
| 1275 |
"dec %2 \n\t"
|
| 1276 |
"sub %0, %1 \n\t"
|
| 1277 |
"sub %0, %2 \n\t"
|
| 1278 |
"lea 9b, %3 \n\t"
|
| 1279 |
"sub %0, %3 \n\t"
|
| 1280 |
|
| 1281 |
|
| 1282 |
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), |
| 1283 |
"=r" (fragmentLengthA)
|
| 1284 |
); |
| 1285 |
|
| 1286 |
asm volatile( |
| 1287 |
"jmp 9f \n\t"
|
| 1288 |
// Begin
|
| 1289 |
"0: \n\t"
|
| 1290 |
"movq (%%"REG_d", %%"REG_a"), %%mm3\n\t" |
| 1291 |
"movd (%%"REG_c", %%"REG_S"), %%mm0\n\t" |
| 1292 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 1293 |
"pshufw $0xFF, %%mm0, %%mm1 \n\t"
|
| 1294 |
"1: \n\t"
|
| 1295 |
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
| 1296 |
"2: \n\t"
|
| 1297 |
"psubw %%mm1, %%mm0 \n\t"
|
| 1298 |
"movl 8(%%"REG_b", %%"REG_a"), %%esi\n\t" |
| 1299 |
"pmullw %%mm3, %%mm0 \n\t"
|
| 1300 |
"psllw $7, %%mm1 \n\t"
|
| 1301 |
"paddw %%mm1, %%mm0 \n\t"
|
| 1302 |
|
| 1303 |
"movq %%mm0, (%%"REG_D", %%"REG_a")\n\t" |
| 1304 |
|
| 1305 |
"add $8, %%"REG_a" \n\t" |
| 1306 |
// End
|
| 1307 |
"9: \n\t"
|
| 1308 |
// "int $3\n\t"
|
| 1309 |
"lea 0b, %0 \n\t"
|
| 1310 |
"lea 1b, %1 \n\t"
|
| 1311 |
"lea 2b, %2 \n\t"
|
| 1312 |
"dec %1 \n\t"
|
| 1313 |
"dec %2 \n\t"
|
| 1314 |
"sub %0, %1 \n\t"
|
| 1315 |
"sub %0, %2 \n\t"
|
| 1316 |
"lea 9b, %3 \n\t"
|
| 1317 |
"sub %0, %3 \n\t"
|
| 1318 |
|
| 1319 |
|
| 1320 |
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), |
| 1321 |
"=r" (fragmentLengthB)
|
| 1322 |
); |
| 1323 |
|
| 1324 |
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers |
| 1325 |
fragmentPos=0;
|
| 1326 |
|
| 1327 |
for(i=0; i<dstW/numSplits; i++) |
| 1328 |
{
|
| 1329 |
int xx=xpos>>16; |
| 1330 |
|
| 1331 |
if((i&3) == 0) |
| 1332 |
{
|
| 1333 |
int a=0; |
| 1334 |
int b=((xpos+xInc)>>16) - xx; |
| 1335 |
int c=((xpos+xInc*2)>>16) - xx; |
| 1336 |
int d=((xpos+xInc*3)>>16) - xx; |
| 1337 |
|
| 1338 |
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; |
| 1339 |
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1340 |
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1341 |
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1342 |
filterPos[i/2]= xx;
|
| 1343 |
|
| 1344 |
if(d+1<4) |
| 1345 |
{
|
| 1346 |
int maxShift= 3-(d+1); |
| 1347 |
int shift=0; |
| 1348 |
|
| 1349 |
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB); |
| 1350 |
|
| 1351 |
funnyCode[fragmentPos + imm8OfPShufW1B]= |
| 1352 |
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6); |
| 1353 |
funnyCode[fragmentPos + imm8OfPShufW2B]= |
| 1354 |
a | (b<<2) | (c<<4) | (d<<6); |
| 1355 |
|
| 1356 |
if(i+3>=dstW) shift=maxShift; //avoid overread |
| 1357 |
else if((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
| 1358 |
|
| 1359 |
if(shift && i>=shift)
|
| 1360 |
{
|
| 1361 |
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift;
|
| 1362 |
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift;
|
| 1363 |
filterPos[i/2]-=shift;
|
| 1364 |
} |
| 1365 |
|
| 1366 |
fragmentPos+= fragmentLengthB; |
| 1367 |
} |
| 1368 |
else
|
| 1369 |
{
|
| 1370 |
int maxShift= 3-d; |
| 1371 |
int shift=0; |
| 1372 |
|
| 1373 |
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA); |
| 1374 |
|
| 1375 |
funnyCode[fragmentPos + imm8OfPShufW1A]= |
| 1376 |
funnyCode[fragmentPos + imm8OfPShufW2A]= |
| 1377 |
a | (b<<2) | (c<<4) | (d<<6); |
| 1378 |
|
| 1379 |
if(i+4>=dstW) shift=maxShift; //avoid overread |
| 1380 |
else if((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align |
| 1381 |
|
| 1382 |
if(shift && i>=shift)
|
| 1383 |
{
|
| 1384 |
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift;
|
| 1385 |
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift;
|
| 1386 |
filterPos[i/2]-=shift;
|
| 1387 |
} |
| 1388 |
|
| 1389 |
fragmentPos+= fragmentLengthA; |
| 1390 |
} |
| 1391 |
|
| 1392 |
funnyCode[fragmentPos]= RET; |
| 1393 |
} |
| 1394 |
xpos+=xInc; |
| 1395 |
} |
| 1396 |
filterPos[i/2]= xpos>>16; // needed to jump to the next part |
| 1397 |
} |
| 1398 |
#endif // ARCH_X86 || ARCH_X86_64 |
| 1399 |
|
| 1400 |
static void globalInit(void){ |
| 1401 |
// generating tables:
|
| 1402 |
int i;
|
| 1403 |
for(i=0; i<768; i++){ |
| 1404 |
int c= FFMIN(FFMAX(i-256, 0), 255); |
| 1405 |
clip_table[i]=c; |
| 1406 |
} |
| 1407 |
} |
| 1408 |
|
| 1409 |
static SwsFunc getSwsFunc(int flags){ |
| 1410 |
|
| 1411 |
#ifdef RUNTIME_CPUDETECT
|
| 1412 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 1413 |
// ordered per speed fasterst first
|
| 1414 |
if(flags & SWS_CPU_CAPS_MMX2)
|
| 1415 |
return swScale_MMX2;
|
| 1416 |
else if(flags & SWS_CPU_CAPS_3DNOW) |
| 1417 |
return swScale_3DNow;
|
| 1418 |
else if(flags & SWS_CPU_CAPS_MMX) |
| 1419 |
return swScale_MMX;
|
| 1420 |
else
|
| 1421 |
return swScale_C;
|
| 1422 |
|
| 1423 |
#else
|
| 1424 |
#ifdef ARCH_POWERPC
|
| 1425 |
if(flags & SWS_CPU_CAPS_ALTIVEC)
|
| 1426 |
return swScale_altivec;
|
| 1427 |
else
|
| 1428 |
return swScale_C;
|
| 1429 |
#endif
|
| 1430 |
return swScale_C;
|
| 1431 |
#endif /* defined(ARCH_X86) || defined(ARCH_X86_64) */ |
| 1432 |
#else //RUNTIME_CPUDETECT |
| 1433 |
#ifdef HAVE_MMX2
|
| 1434 |
return swScale_MMX2;
|
| 1435 |
#elif defined (HAVE_3DNOW)
|
| 1436 |
return swScale_3DNow;
|
| 1437 |
#elif defined (HAVE_MMX)
|
| 1438 |
return swScale_MMX;
|
| 1439 |
#elif defined (HAVE_ALTIVEC)
|
| 1440 |
return swScale_altivec;
|
| 1441 |
#else
|
| 1442 |
return swScale_C;
|
| 1443 |
#endif
|
| 1444 |
#endif //!RUNTIME_CPUDETECT |
| 1445 |
} |
| 1446 |
|
| 1447 |
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1448 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1449 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1450 |
/* Copy Y plane */
|
| 1451 |
if(dstStride[0]==srcStride[0] && srcStride[0] > 0) |
| 1452 |
memcpy(dst, src[0], srcSliceH*dstStride[0]); |
| 1453 |
else
|
| 1454 |
{
|
| 1455 |
int i;
|
| 1456 |
uint8_t *srcPtr= src[0];
|
| 1457 |
uint8_t *dstPtr= dst; |
| 1458 |
for(i=0; i<srcSliceH; i++) |
| 1459 |
{
|
| 1460 |
memcpy(dstPtr, srcPtr, c->srcW); |
| 1461 |
srcPtr+= srcStride[0];
|
| 1462 |
dstPtr+= dstStride[0];
|
| 1463 |
} |
| 1464 |
} |
| 1465 |
dst = dstParam[1] + dstStride[1]*srcSliceY/2; |
| 1466 |
if (c->dstFormat == IMGFMT_NV12)
|
| 1467 |
interleaveBytes( src[1],src[2],dst,c->srcW/2,srcSliceH/2,srcStride[1],srcStride[2],dstStride[0] ); |
| 1468 |
else
|
| 1469 |
interleaveBytes( src[2],src[1],dst,c->srcW/2,srcSliceH/2,srcStride[2],srcStride[1],dstStride[0] ); |
| 1470 |
|
| 1471 |
return srcSliceH;
|
| 1472 |
} |
| 1473 |
|
| 1474 |
static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1475 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1476 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1477 |
|
| 1478 |
yv12toyuy2( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); |
| 1479 |
|
| 1480 |
return srcSliceH;
|
| 1481 |
} |
| 1482 |
|
| 1483 |
static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1484 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1485 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1486 |
|
| 1487 |
yv12touyvy( src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0] ); |
| 1488 |
|
| 1489 |
return srcSliceH;
|
| 1490 |
} |
| 1491 |
|
| 1492 |
/* {RGB,BGR}{15,16,24,32} -> {RGB,BGR}{15,16,24,32} */
|
| 1493 |
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1494 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1495 |
const int srcFormat= c->srcFormat; |
| 1496 |
const int dstFormat= c->dstFormat; |
| 1497 |
const int srcBpp= ((srcFormat&0xFF) + 7)>>3; |
| 1498 |
const int dstBpp= ((dstFormat&0xFF) + 7)>>3; |
| 1499 |
const int srcId= (srcFormat&0xFF)>>2; // 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 |
| 1500 |
const int dstId= (dstFormat&0xFF)>>2; |
| 1501 |
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; |
| 1502 |
|
| 1503 |
/* BGR -> BGR */
|
| 1504 |
if( (isBGR(srcFormat) && isBGR(dstFormat))
|
| 1505 |
|| (isRGB(srcFormat) && isRGB(dstFormat))){
|
| 1506 |
switch(srcId | (dstId<<4)){ |
| 1507 |
case 0x34: conv= rgb16to15; break; |
| 1508 |
case 0x36: conv= rgb24to15; break; |
| 1509 |
case 0x38: conv= rgb32to15; break; |
| 1510 |
case 0x43: conv= rgb15to16; break; |
| 1511 |
case 0x46: conv= rgb24to16; break; |
| 1512 |
case 0x48: conv= rgb32to16; break; |
| 1513 |
case 0x63: conv= rgb15to24; break; |
| 1514 |
case 0x64: conv= rgb16to24; break; |
| 1515 |
case 0x68: conv= rgb32to24; break; |
| 1516 |
case 0x83: conv= rgb15to32; break; |
| 1517 |
case 0x84: conv= rgb16to32; break; |
| 1518 |
case 0x86: conv= rgb24to32; break; |
| 1519 |
default: MSG_ERR("swScaler: internal error %s -> %s converter\n", |
| 1520 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
| 1521 |
} |
| 1522 |
}else if( (isBGR(srcFormat) && isRGB(dstFormat)) |
| 1523 |
|| (isRGB(srcFormat) && isBGR(dstFormat))){
|
| 1524 |
switch(srcId | (dstId<<4)){ |
| 1525 |
case 0x33: conv= rgb15tobgr15; break; |
| 1526 |
case 0x34: conv= rgb16tobgr15; break; |
| 1527 |
case 0x36: conv= rgb24tobgr15; break; |
| 1528 |
case 0x38: conv= rgb32tobgr15; break; |
| 1529 |
case 0x43: conv= rgb15tobgr16; break; |
| 1530 |
case 0x44: conv= rgb16tobgr16; break; |
| 1531 |
case 0x46: conv= rgb24tobgr16; break; |
| 1532 |
case 0x48: conv= rgb32tobgr16; break; |
| 1533 |
case 0x63: conv= rgb15tobgr24; break; |
| 1534 |
case 0x64: conv= rgb16tobgr24; break; |
| 1535 |
case 0x66: conv= rgb24tobgr24; break; |
| 1536 |
case 0x68: conv= rgb32tobgr24; break; |
| 1537 |
case 0x83: conv= rgb15tobgr32; break; |
| 1538 |
case 0x84: conv= rgb16tobgr32; break; |
| 1539 |
case 0x86: conv= rgb24tobgr32; break; |
| 1540 |
case 0x88: conv= rgb32tobgr32; break; |
| 1541 |
default: MSG_ERR("swScaler: internal error %s -> %s converter\n", |
| 1542 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
| 1543 |
} |
| 1544 |
}else{
|
| 1545 |
MSG_ERR("swScaler: internal error %s -> %s converter\n",
|
| 1546 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 1547 |
} |
| 1548 |
|
| 1549 |
if(dstStride[0]*srcBpp == srcStride[0]*dstBpp) |
| 1550 |
conv(src[0], dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); |
| 1551 |
else
|
| 1552 |
{
|
| 1553 |
int i;
|
| 1554 |
uint8_t *srcPtr= src[0];
|
| 1555 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1556 |
|
| 1557 |
for(i=0; i<srcSliceH; i++) |
| 1558 |
{
|
| 1559 |
conv(srcPtr, dstPtr, c->srcW*srcBpp); |
| 1560 |
srcPtr+= srcStride[0];
|
| 1561 |
dstPtr+= dstStride[0];
|
| 1562 |
} |
| 1563 |
} |
| 1564 |
return srcSliceH;
|
| 1565 |
} |
| 1566 |
|
| 1567 |
static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1568 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1569 |
|
| 1570 |
rgb24toyv12( |
| 1571 |
src[0],
|
| 1572 |
dst[0]+ srcSliceY *dstStride[0], |
| 1573 |
dst[1]+(srcSliceY>>1)*dstStride[1], |
| 1574 |
dst[2]+(srcSliceY>>1)*dstStride[2], |
| 1575 |
c->srcW, srcSliceH, |
| 1576 |
dstStride[0], dstStride[1], srcStride[0]); |
| 1577 |
return srcSliceH;
|
| 1578 |
} |
| 1579 |
|
| 1580 |
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1581 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1582 |
int i;
|
| 1583 |
|
| 1584 |
/* copy Y */
|
| 1585 |
if(srcStride[0]==dstStride[0] && srcStride[0] > 0) |
| 1586 |
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); |
| 1587 |
else{
|
| 1588 |
uint8_t *srcPtr= src[0];
|
| 1589 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1590 |
|
| 1591 |
for(i=0; i<srcSliceH; i++) |
| 1592 |
{
|
| 1593 |
memcpy(dstPtr, srcPtr, c->srcW); |
| 1594 |
srcPtr+= srcStride[0];
|
| 1595 |
dstPtr+= dstStride[0];
|
| 1596 |
} |
| 1597 |
} |
| 1598 |
|
| 1599 |
if(c->dstFormat==IMGFMT_YV12){
|
| 1600 |
planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]); |
| 1601 |
planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]); |
| 1602 |
}else{
|
| 1603 |
planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]); |
| 1604 |
planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]); |
| 1605 |
} |
| 1606 |
return srcSliceH;
|
| 1607 |
} |
| 1608 |
|
| 1609 |
/**
|
| 1610 |
* bring pointers in YUV order instead of YVU
|
| 1611 |
*/
|
| 1612 |
static inline void sws_orderYUV(int format, uint8_t * sortedP[], int sortedStride[], uint8_t * p[], int stride[]){ |
| 1613 |
if(format == IMGFMT_YV12 || format == IMGFMT_YVU9
|
| 1614 |
|| format == IMGFMT_444P || format == IMGFMT_422P || format == IMGFMT_411P){
|
| 1615 |
sortedP[0]= p[0]; |
| 1616 |
sortedP[1]= p[2]; |
| 1617 |
sortedP[2]= p[1]; |
| 1618 |
sortedStride[0]= stride[0]; |
| 1619 |
sortedStride[1]= stride[2]; |
| 1620 |
sortedStride[2]= stride[1]; |
| 1621 |
} |
| 1622 |
else if(isPacked(format) || isGray(format) || format == IMGFMT_Y8) |
| 1623 |
{
|
| 1624 |
sortedP[0]= p[0]; |
| 1625 |
sortedP[1]=
|
| 1626 |
sortedP[2]= NULL; |
| 1627 |
sortedStride[0]= stride[0]; |
| 1628 |
sortedStride[1]=
|
| 1629 |
sortedStride[2]= 0; |
| 1630 |
} |
| 1631 |
else if(format == IMGFMT_I420 || format == IMGFMT_IYUV) |
| 1632 |
{
|
| 1633 |
sortedP[0]= p[0]; |
| 1634 |
sortedP[1]= p[1]; |
| 1635 |
sortedP[2]= p[2]; |
| 1636 |
sortedStride[0]= stride[0]; |
| 1637 |
sortedStride[1]= stride[1]; |
| 1638 |
sortedStride[2]= stride[2]; |
| 1639 |
} |
| 1640 |
else if(format == IMGFMT_NV12 || format == IMGFMT_NV21) |
| 1641 |
{
|
| 1642 |
sortedP[0]= p[0]; |
| 1643 |
sortedP[1]= p[1]; |
| 1644 |
sortedP[2]= NULL; |
| 1645 |
sortedStride[0]= stride[0]; |
| 1646 |
sortedStride[1]= stride[1]; |
| 1647 |
sortedStride[2]= 0; |
| 1648 |
}else{
|
| 1649 |
MSG_ERR("internal error in orderYUV\n");
|
| 1650 |
} |
| 1651 |
} |
| 1652 |
|
| 1653 |
/* unscaled copy like stuff (assumes nearly identical formats) */
|
| 1654 |
static int simpleCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1655 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1656 |
|
| 1657 |
if(isPacked(c->srcFormat))
|
| 1658 |
{
|
| 1659 |
if(dstStride[0]==srcStride[0] && srcStride[0] > 0) |
| 1660 |
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); |
| 1661 |
else
|
| 1662 |
{
|
| 1663 |
int i;
|
| 1664 |
uint8_t *srcPtr= src[0];
|
| 1665 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1666 |
int length=0; |
| 1667 |
|
| 1668 |
/* universal length finder */
|
| 1669 |
while(length+c->srcW <= ABS(dstStride[0]) |
| 1670 |
&& length+c->srcW <= ABS(srcStride[0])) length+= c->srcW;
|
| 1671 |
ASSERT(length!=0);
|
| 1672 |
|
| 1673 |
for(i=0; i<srcSliceH; i++) |
| 1674 |
{
|
| 1675 |
memcpy(dstPtr, srcPtr, length); |
| 1676 |
srcPtr+= srcStride[0];
|
| 1677 |
dstPtr+= dstStride[0];
|
| 1678 |
} |
| 1679 |
} |
| 1680 |
} |
| 1681 |
else
|
| 1682 |
{ /* Planar YUV or gray */
|
| 1683 |
int plane;
|
| 1684 |
for(plane=0; plane<3; plane++) |
| 1685 |
{
|
| 1686 |
int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); |
| 1687 |
int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); |
| 1688 |
int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); |
| 1689 |
|
| 1690 |
if((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0) |
| 1691 |
{
|
| 1692 |
if(!isGray(c->dstFormat))
|
| 1693 |
memset(dst[plane], 128, dstStride[plane]*height);
|
| 1694 |
} |
| 1695 |
else
|
| 1696 |
{
|
| 1697 |
if(dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) |
| 1698 |
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); |
| 1699 |
else
|
| 1700 |
{
|
| 1701 |
int i;
|
| 1702 |
uint8_t *srcPtr= src[plane]; |
| 1703 |
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; |
| 1704 |
for(i=0; i<height; i++) |
| 1705 |
{
|
| 1706 |
memcpy(dstPtr, srcPtr, length); |
| 1707 |
srcPtr+= srcStride[plane]; |
| 1708 |
dstPtr+= dstStride[plane]; |
| 1709 |
} |
| 1710 |
} |
| 1711 |
} |
| 1712 |
} |
| 1713 |
} |
| 1714 |
return srcSliceH;
|
| 1715 |
} |
| 1716 |
|
| 1717 |
static int remove_dup_fourcc(int fourcc) |
| 1718 |
{
|
| 1719 |
switch(fourcc)
|
| 1720 |
{
|
| 1721 |
case IMGFMT_I420:
|
| 1722 |
case IMGFMT_IYUV: return IMGFMT_YV12; |
| 1723 |
case IMGFMT_Y8 : return IMGFMT_Y800; |
| 1724 |
case IMGFMT_IF09: return IMGFMT_YVU9; |
| 1725 |
default: return fourcc; |
| 1726 |
} |
| 1727 |
} |
| 1728 |
|
| 1729 |
static void getSubSampleFactors(int *h, int *v, int format){ |
| 1730 |
switch(format){
|
| 1731 |
case IMGFMT_UYVY:
|
| 1732 |
case IMGFMT_YUY2:
|
| 1733 |
*h=1;
|
| 1734 |
*v=0;
|
| 1735 |
break;
|
| 1736 |
case IMGFMT_YV12:
|
| 1737 |
case IMGFMT_Y800: //FIXME remove after different subsamplings are fully implemented |
| 1738 |
case IMGFMT_NV12:
|
| 1739 |
case IMGFMT_NV21:
|
| 1740 |
*h=1;
|
| 1741 |
*v=1;
|
| 1742 |
break;
|
| 1743 |
case IMGFMT_YVU9:
|
| 1744 |
*h=2;
|
| 1745 |
*v=2;
|
| 1746 |
break;
|
| 1747 |
case IMGFMT_444P:
|
| 1748 |
*h=0;
|
| 1749 |
*v=0;
|
| 1750 |
break;
|
| 1751 |
case IMGFMT_422P:
|
| 1752 |
*h=1;
|
| 1753 |
*v=0;
|
| 1754 |
break;
|
| 1755 |
case IMGFMT_411P:
|
| 1756 |
*h=2;
|
| 1757 |
*v=0;
|
| 1758 |
break;
|
| 1759 |
default:
|
| 1760 |
*h=0;
|
| 1761 |
*v=0;
|
| 1762 |
break;
|
| 1763 |
} |
| 1764 |
} |
| 1765 |
|
| 1766 |
static uint16_t roundToInt16(int64_t f){
|
| 1767 |
int r= (f + (1<<15))>>16; |
| 1768 |
if(r<-0x7FFF) return 0x8000; |
| 1769 |
else if(r> 0x7FFF) return 0x7FFF; |
| 1770 |
else return r; |
| 1771 |
} |
| 1772 |
|
| 1773 |
/**
|
| 1774 |
* @param inv_table the yuv2rgb coeffs, normally Inverse_Table_6_9[x]
|
| 1775 |
* @param fullRange if 1 then the luma range is 0..255 if 0 its 16..235
|
| 1776 |
* @return -1 if not supported
|
| 1777 |
*/
|
| 1778 |
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ |
| 1779 |
int64_t crv = inv_table[0];
|
| 1780 |
int64_t cbu = inv_table[1];
|
| 1781 |
int64_t cgu = -inv_table[2];
|
| 1782 |
int64_t cgv = -inv_table[3];
|
| 1783 |
int64_t cy = 1<<16; |
| 1784 |
int64_t oy = 0;
|
| 1785 |
|
| 1786 |
if(isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
| 1787 |
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4); |
| 1788 |
memcpy(c->dstColorspaceTable, table, sizeof(int)*4); |
| 1789 |
|
| 1790 |
c->brightness= brightness; |
| 1791 |
c->contrast = contrast; |
| 1792 |
c->saturation= saturation; |
| 1793 |
c->srcRange = srcRange; |
| 1794 |
c->dstRange = dstRange; |
| 1795 |
|
| 1796 |
c->uOffset= 0x0400040004000400LL;
|
| 1797 |
c->vOffset= 0x0400040004000400LL;
|
| 1798 |
|
| 1799 |
if(!srcRange){
|
| 1800 |
cy= (cy*255) / 219; |
| 1801 |
oy= 16<<16; |
| 1802 |
} |
| 1803 |
|
| 1804 |
cy = (cy *contrast )>>16;
|
| 1805 |
crv= (crv*contrast * saturation)>>32;
|
| 1806 |
cbu= (cbu*contrast * saturation)>>32;
|
| 1807 |
cgu= (cgu*contrast * saturation)>>32;
|
| 1808 |
cgv= (cgv*contrast * saturation)>>32;
|
| 1809 |
|
| 1810 |
oy -= 256*brightness;
|
| 1811 |
|
| 1812 |
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL; |
| 1813 |
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL; |
| 1814 |
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL; |
| 1815 |
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL; |
| 1816 |
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL; |
| 1817 |
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL; |
| 1818 |
|
| 1819 |
yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); |
| 1820 |
//FIXME factorize
|
| 1821 |
|
| 1822 |
#ifdef COMPILE_ALTIVEC
|
| 1823 |
if (c->flags & SWS_CPU_CAPS_ALTIVEC)
|
| 1824 |
yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation); |
| 1825 |
#endif
|
| 1826 |
return 0; |
| 1827 |
} |
| 1828 |
|
| 1829 |
/**
|
| 1830 |
* @return -1 if not supported
|
| 1831 |
*/
|
| 1832 |
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ |
| 1833 |
if(isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
| 1834 |
|
| 1835 |
*inv_table = c->srcColorspaceTable; |
| 1836 |
*table = c->dstColorspaceTable; |
| 1837 |
*srcRange = c->srcRange; |
| 1838 |
*dstRange = c->dstRange; |
| 1839 |
*brightness= c->brightness; |
| 1840 |
*contrast = c->contrast; |
| 1841 |
*saturation= c->saturation; |
| 1842 |
|
| 1843 |
return 0; |
| 1844 |
} |
| 1845 |
|
| 1846 |
SwsContext *sws_getContext(int srcW, int srcH, int origSrcFormat, int dstW, int dstH, int origDstFormat, int flags, |
| 1847 |
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
|
| 1848 |
|
| 1849 |
SwsContext *c; |
| 1850 |
int i;
|
| 1851 |
int usesVFilter, usesHFilter;
|
| 1852 |
int unscaled, needsDither;
|
| 1853 |
int srcFormat, dstFormat;
|
| 1854 |
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
|
| 1855 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 1856 |
if(flags & SWS_CPU_CAPS_MMX)
|
| 1857 |
asm volatile("emms\n\t"::: "memory"); |
| 1858 |
#endif
|
| 1859 |
|
| 1860 |
#ifndef RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off |
| 1861 |
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC); |
| 1862 |
#ifdef HAVE_MMX2
|
| 1863 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; |
| 1864 |
#elif defined (HAVE_3DNOW)
|
| 1865 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; |
| 1866 |
#elif defined (HAVE_MMX)
|
| 1867 |
flags |= SWS_CPU_CAPS_MMX; |
| 1868 |
#elif defined (HAVE_ALTIVEC)
|
| 1869 |
flags |= SWS_CPU_CAPS_ALTIVEC; |
| 1870 |
#endif
|
| 1871 |
#endif /* RUNTIME_CPUDETECT */ |
| 1872 |
if(clip_table[512] != 255) globalInit(); |
| 1873 |
if(rgb15to16 == NULL) sws_rgb2rgb_init(flags); |
| 1874 |
|
| 1875 |
/* avoid duplicate Formats, so we don't need to check to much */
|
| 1876 |
srcFormat = remove_dup_fourcc(origSrcFormat); |
| 1877 |
dstFormat = remove_dup_fourcc(origDstFormat); |
| 1878 |
|
| 1879 |
unscaled = (srcW == dstW && srcH == dstH); |
| 1880 |
needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) |
| 1881 |
&& (dstFormat&0xFF)<24 |
| 1882 |
&& ((dstFormat&0xFF)<(srcFormat&0xFF) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); |
| 1883 |
|
| 1884 |
if(!isSupportedIn(srcFormat))
|
| 1885 |
{
|
| 1886 |
MSG_ERR("swScaler: %s is not supported as input format\n", sws_format_name(srcFormat));
|
| 1887 |
return NULL; |
| 1888 |
} |
| 1889 |
if(!isSupportedOut(dstFormat))
|
| 1890 |
{
|
| 1891 |
MSG_ERR("swScaler: %s is not supported as output format\n", sws_format_name(dstFormat));
|
| 1892 |
return NULL; |
| 1893 |
} |
| 1894 |
|
| 1895 |
/* sanity check */
|
| 1896 |
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 |
| 1897 |
{
|
| 1898 |
MSG_ERR("swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
|
| 1899 |
srcW, srcH, dstW, dstH); |
| 1900 |
return NULL; |
| 1901 |
} |
| 1902 |
|
| 1903 |
if(!dstFilter) dstFilter= &dummyFilter;
|
| 1904 |
if(!srcFilter) srcFilter= &dummyFilter;
|
| 1905 |
|
| 1906 |
c= av_malloc(sizeof(SwsContext));
|
| 1907 |
memset(c, 0, sizeof(SwsContext)); |
| 1908 |
|
| 1909 |
c->srcW= srcW; |
| 1910 |
c->srcH= srcH; |
| 1911 |
c->dstW= dstW; |
| 1912 |
c->dstH= dstH; |
| 1913 |
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; |
| 1914 |
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; |
| 1915 |
c->flags= flags; |
| 1916 |
c->dstFormat= dstFormat; |
| 1917 |
c->srcFormat= srcFormat; |
| 1918 |
c->origDstFormat= origDstFormat; |
| 1919 |
c->origSrcFormat= origSrcFormat; |
| 1920 |
c->vRounder= 4* 0x0001000100010001ULL; |
| 1921 |
|
| 1922 |
usesHFilter= usesVFilter= 0;
|
| 1923 |
if(dstFilter->lumV!=NULL && dstFilter->lumV->length>1) usesVFilter=1; |
| 1924 |
if(dstFilter->lumH!=NULL && dstFilter->lumH->length>1) usesHFilter=1; |
| 1925 |
if(dstFilter->chrV!=NULL && dstFilter->chrV->length>1) usesVFilter=1; |
| 1926 |
if(dstFilter->chrH!=NULL && dstFilter->chrH->length>1) usesHFilter=1; |
| 1927 |
if(srcFilter->lumV!=NULL && srcFilter->lumV->length>1) usesVFilter=1; |
| 1928 |
if(srcFilter->lumH!=NULL && srcFilter->lumH->length>1) usesHFilter=1; |
| 1929 |
if(srcFilter->chrV!=NULL && srcFilter->chrV->length>1) usesVFilter=1; |
| 1930 |
if(srcFilter->chrH!=NULL && srcFilter->chrH->length>1) usesHFilter=1; |
| 1931 |
|
| 1932 |
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); |
| 1933 |
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); |
| 1934 |
|
| 1935 |
// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
|
| 1936 |
if((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; |
| 1937 |
|
| 1938 |
// drop some chroma lines if the user wants it
|
| 1939 |
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; |
| 1940 |
c->chrSrcVSubSample+= c->vChrDrop; |
| 1941 |
|
| 1942 |
// drop every 2. pixel for chroma calculation unless user wants full chroma
|
| 1943 |
if((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP))
|
| 1944 |
c->chrSrcHSubSample=1;
|
| 1945 |
|
| 1946 |
if(param){
|
| 1947 |
c->param[0] = param[0]; |
| 1948 |
c->param[1] = param[1]; |
| 1949 |
}else{
|
| 1950 |
c->param[0] =
|
| 1951 |
c->param[1] = SWS_PARAM_DEFAULT;
|
| 1952 |
} |
| 1953 |
|
| 1954 |
c->chrIntHSubSample= c->chrDstHSubSample; |
| 1955 |
c->chrIntVSubSample= c->chrSrcVSubSample; |
| 1956 |
|
| 1957 |
// note the -((-x)>>y) is so that we allways round toward +inf
|
| 1958 |
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample); |
| 1959 |
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample); |
| 1960 |
c->chrDstW= -((-dstW) >> c->chrDstHSubSample); |
| 1961 |
c->chrDstH= -((-dstH) >> c->chrDstVSubSample); |
| 1962 |
|
| 1963 |
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); |
| 1964 |
|
| 1965 |
/* unscaled special Cases */
|
| 1966 |
if(unscaled && !usesHFilter && !usesVFilter)
|
| 1967 |
{
|
| 1968 |
/* yv12_to_nv12 */
|
| 1969 |
if(srcFormat == IMGFMT_YV12 && (dstFormat == IMGFMT_NV12 || dstFormat == IMGFMT_NV21))
|
| 1970 |
{
|
| 1971 |
c->swScale= PlanarToNV12Wrapper; |
| 1972 |
} |
| 1973 |
/* yuv2bgr */
|
| 1974 |
if((srcFormat==IMGFMT_YV12 || srcFormat==IMGFMT_422P) && (isBGR(dstFormat) || isRGB(dstFormat)))
|
| 1975 |
{
|
| 1976 |
c->swScale= yuv2rgb_get_func_ptr(c); |
| 1977 |
} |
| 1978 |
|
| 1979 |
if( srcFormat==IMGFMT_YVU9 && dstFormat==IMGFMT_YV12 )
|
| 1980 |
{
|
| 1981 |
c->swScale= yvu9toyv12Wrapper; |
| 1982 |
} |
| 1983 |
|
| 1984 |
/* bgr24toYV12 */
|
| 1985 |
if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
|
| 1986 |
c->swScale= bgr24toyv12Wrapper; |
| 1987 |
|
| 1988 |
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
|
| 1989 |
if( (isBGR(srcFormat) || isRGB(srcFormat))
|
| 1990 |
&& (isBGR(dstFormat) || isRGB(dstFormat)) |
| 1991 |
&& !needsDither) |
| 1992 |
c->swScale= rgb2rgbWrapper; |
| 1993 |
|
| 1994 |
/* LQ converters if -sws 0 or -sws 4*/
|
| 1995 |
if(c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
|
| 1996 |
/* rgb/bgr -> rgb/bgr (dither needed forms) */
|
| 1997 |
if( (isBGR(srcFormat) || isRGB(srcFormat))
|
| 1998 |
&& (isBGR(dstFormat) || isRGB(dstFormat)) |
| 1999 |
&& needsDither) |
| 2000 |
c->swScale= rgb2rgbWrapper; |
| 2001 |
|
| 2002 |
/* yv12_to_yuy2 */
|
| 2003 |
if(srcFormat == IMGFMT_YV12 &&
|
| 2004 |
(dstFormat == IMGFMT_YUY2 || dstFormat == IMGFMT_UYVY)) |
| 2005 |
{
|
| 2006 |
if (dstFormat == IMGFMT_YUY2)
|
| 2007 |
c->swScale= PlanarToYuy2Wrapper; |
| 2008 |
else
|
| 2009 |
c->swScale= PlanarToUyvyWrapper; |
| 2010 |
} |
| 2011 |
} |
| 2012 |
|
| 2013 |
#ifdef COMPILE_ALTIVEC
|
| 2014 |
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
|
| 2015 |
((srcFormat == IMGFMT_YV12 && |
| 2016 |
(dstFormat == IMGFMT_YUY2 || dstFormat == IMGFMT_UYVY)))) {
|
| 2017 |
// unscaled YV12 -> packed YUV, we want speed
|
| 2018 |
if (dstFormat == IMGFMT_YUY2)
|
| 2019 |
c->swScale= yv12toyuy2_unscaled_altivec; |
| 2020 |
else
|
| 2021 |
c->swScale= yv12touyvy_unscaled_altivec; |
| 2022 |
} |
| 2023 |
#endif
|
| 2024 |
|
| 2025 |
/* simple copy */
|
| 2026 |
if( srcFormat == dstFormat
|
| 2027 |
|| (isPlanarYUV(srcFormat) && isGray(dstFormat)) |
| 2028 |
|| (isPlanarYUV(dstFormat) && isGray(srcFormat)) |
| 2029 |
) |
| 2030 |
{
|
| 2031 |
c->swScale= simpleCopy; |
| 2032 |
} |
| 2033 |
|
| 2034 |
if(c->swScale){
|
| 2035 |
if(flags&SWS_PRINT_INFO)
|
| 2036 |
MSG_INFO("SwScaler: using unscaled %s -> %s special converter\n",
|
| 2037 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 2038 |
return c;
|
| 2039 |
} |
| 2040 |
} |
| 2041 |
|
| 2042 |
if(flags & SWS_CPU_CAPS_MMX2)
|
| 2043 |
{
|
| 2044 |
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; |
| 2045 |
if(!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) |
| 2046 |
{
|
| 2047 |
if(flags&SWS_PRINT_INFO)
|
| 2048 |
MSG_INFO("SwScaler: output Width is not a multiple of 32 -> no MMX2 scaler\n");
|
| 2049 |
} |
| 2050 |
if(usesHFilter) c->canMMX2BeUsed=0; |
| 2051 |
} |
| 2052 |
else
|
| 2053 |
c->canMMX2BeUsed=0;
|
| 2054 |
|
| 2055 |
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; |
| 2056 |
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; |
| 2057 |
|
| 2058 |
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
|
| 2059 |
// but only for the FAST_BILINEAR mode otherwise do correct scaling
|
| 2060 |
// n-2 is the last chrominance sample available
|
| 2061 |
// this is not perfect, but noone shuld notice the difference, the more correct variant
|
| 2062 |
// would be like the vertical one, but that would require some special code for the
|
| 2063 |
// first and last pixel
|
| 2064 |
if(flags&SWS_FAST_BILINEAR)
|
| 2065 |
{
|
| 2066 |
if(c->canMMX2BeUsed)
|
| 2067 |
{
|
| 2068 |
c->lumXInc+= 20;
|
| 2069 |
c->chrXInc+= 20;
|
| 2070 |
} |
| 2071 |
//we don't use the x86asm scaler if mmx is available
|
| 2072 |
else if(flags & SWS_CPU_CAPS_MMX) |
| 2073 |
{
|
| 2074 |
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; |
| 2075 |
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; |
| 2076 |
} |
| 2077 |
} |
| 2078 |
|
| 2079 |
/* precalculate horizontal scaler filter coefficients */
|
| 2080 |
{
|
| 2081 |
const int filterAlign= |
| 2082 |
(flags & SWS_CPU_CAPS_MMX) ? 4 :
|
| 2083 |
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
| 2084 |
1;
|
| 2085 |
|
| 2086 |
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, |
| 2087 |
srcW , dstW, filterAlign, 1<<14, |
| 2088 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
| 2089 |
srcFilter->lumH, dstFilter->lumH, c->param); |
| 2090 |
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, |
| 2091 |
c->chrSrcW, c->chrDstW, filterAlign, 1<<14, |
| 2092 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
| 2093 |
srcFilter->chrH, dstFilter->chrH, c->param); |
| 2094 |
|
| 2095 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 2096 |
// can't downscale !!!
|
| 2097 |
if(c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
|
| 2098 |
{
|
| 2099 |
#define MAX_FUNNY_CODE_SIZE 10000 |
| 2100 |
#ifdef MAP_ANONYMOUS
|
| 2101 |
c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| 2102 |
c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| 2103 |
#else
|
| 2104 |
c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
| 2105 |
c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
| 2106 |
#endif
|
| 2107 |
|
| 2108 |
c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); |
| 2109 |
c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t)); |
| 2110 |
c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); |
| 2111 |
c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); |
| 2112 |
|
| 2113 |
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
|
| 2114 |
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
|
| 2115 |
} |
| 2116 |
#endif /* defined(ARCH_X86) || defined(ARCH_X86_64) */ |
| 2117 |
} // Init Horizontal stuff
|
| 2118 |
|
| 2119 |
|
| 2120 |
|
| 2121 |
/* precalculate vertical scaler filter coefficients */
|
| 2122 |
{
|
| 2123 |
const int filterAlign= |
| 2124 |
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
|
| 2125 |
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
| 2126 |
1;
|
| 2127 |
|
| 2128 |
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, |
| 2129 |
srcH , dstH, filterAlign, (1<<12)-4, |
| 2130 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
| 2131 |
srcFilter->lumV, dstFilter->lumV, c->param); |
| 2132 |
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, |
| 2133 |
c->chrSrcH, c->chrDstH, filterAlign, (1<<12)-4, |
| 2134 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
| 2135 |
srcFilter->chrV, dstFilter->chrV, c->param); |
| 2136 |
|
| 2137 |
#ifdef HAVE_ALTIVEC
|
| 2138 |
c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH); |
| 2139 |
c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH); |
| 2140 |
|
| 2141 |
for (i=0;i<c->vLumFilterSize*c->dstH;i++) { |
| 2142 |
int j;
|
| 2143 |
short *p = (short *)&c->vYCoeffsBank[i]; |
| 2144 |
for (j=0;j<8;j++) |
| 2145 |
p[j] = c->vLumFilter[i]; |
| 2146 |
} |
| 2147 |
|
| 2148 |
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) { |
| 2149 |
int j;
|
| 2150 |
short *p = (short *)&c->vCCoeffsBank[i]; |
| 2151 |
for (j=0;j<8;j++) |
| 2152 |
p[j] = c->vChrFilter[i]; |
| 2153 |
} |
| 2154 |
#endif
|
| 2155 |
} |
| 2156 |
|
| 2157 |
// Calculate Buffer Sizes so that they won't run out while handling these damn slices
|
| 2158 |
c->vLumBufSize= c->vLumFilterSize; |
| 2159 |
c->vChrBufSize= c->vChrFilterSize; |
| 2160 |
for(i=0; i<dstH; i++) |
| 2161 |
{
|
| 2162 |
int chrI= i*c->chrDstH / dstH;
|
| 2163 |
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, |
| 2164 |
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
|
| 2165 |
|
| 2166 |
nextSlice>>= c->chrSrcVSubSample; |
| 2167 |
nextSlice<<= c->chrSrcVSubSample; |
| 2168 |
if(c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
|
| 2169 |
c->vLumBufSize= nextSlice - c->vLumFilterPos[i ]; |
| 2170 |
if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
|
| 2171 |
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI]; |
| 2172 |
} |
| 2173 |
|
| 2174 |
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
|
| 2175 |
c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); |
| 2176 |
c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*)); |
| 2177 |
//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)
|
| 2178 |
/* align at 16 bytes for AltiVec */
|
| 2179 |
for(i=0; i<c->vLumBufSize; i++) |
| 2180 |
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_malloc(4000);
|
| 2181 |
for(i=0; i<c->vChrBufSize; i++) |
| 2182 |
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc(8000);
|
| 2183 |
|
| 2184 |
//try to avoid drawing green stuff between the right end and the stride end
|
| 2185 |
for(i=0; i<c->vLumBufSize; i++) memset(c->lumPixBuf[i], 0, 4000); |
| 2186 |
for(i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, 8000); |
| 2187 |
|
| 2188 |
ASSERT(c->chrDstH <= dstH) |
| 2189 |
|
| 2190 |
if(flags&SWS_PRINT_INFO)
|
| 2191 |
{
|
| 2192 |
#ifdef DITHER1XBPP
|
| 2193 |
char *dither= " dithered"; |
| 2194 |
#else
|
| 2195 |
char *dither= ""; |
| 2196 |
#endif
|
| 2197 |
if(flags&SWS_FAST_BILINEAR)
|
| 2198 |
MSG_INFO("\nSwScaler: FAST_BILINEAR scaler, ");
|
| 2199 |
else if(flags&SWS_BILINEAR) |
| 2200 |
MSG_INFO("\nSwScaler: BILINEAR scaler, ");
|
| 2201 |
else if(flags&SWS_BICUBIC) |
| 2202 |
MSG_INFO("\nSwScaler: BICUBIC scaler, ");
|
| 2203 |
else if(flags&SWS_X) |
| 2204 |
MSG_INFO("\nSwScaler: Experimental scaler, ");
|
| 2205 |
else if(flags&SWS_POINT) |
| 2206 |
MSG_INFO("\nSwScaler: Nearest Neighbor / POINT scaler, ");
|
| 2207 |
else if(flags&SWS_AREA) |
| 2208 |
MSG_INFO("\nSwScaler: Area Averageing scaler, ");
|
| 2209 |
else if(flags&SWS_BICUBLIN) |
| 2210 |
MSG_INFO("\nSwScaler: luma BICUBIC / chroma BILINEAR scaler, ");
|
| 2211 |
else if(flags&SWS_GAUSS) |
| 2212 |
MSG_INFO("\nSwScaler: Gaussian scaler, ");
|
| 2213 |
else if(flags&SWS_SINC) |
| 2214 |
MSG_INFO("\nSwScaler: Sinc scaler, ");
|
| 2215 |
else if(flags&SWS_LANCZOS) |
| 2216 |
MSG_INFO("\nSwScaler: Lanczos scaler, ");
|
| 2217 |
else if(flags&SWS_SPLINE) |
| 2218 |
MSG_INFO("\nSwScaler: Bicubic spline scaler, ");
|
| 2219 |
else
|
| 2220 |
MSG_INFO("\nSwScaler: ehh flags invalid?! ");
|
| 2221 |
|
| 2222 |
if(dstFormat==IMGFMT_BGR15 || dstFormat==IMGFMT_BGR16)
|
| 2223 |
MSG_INFO("from %s to%s %s ",
|
| 2224 |
sws_format_name(srcFormat), dither, sws_format_name(dstFormat)); |
| 2225 |
else
|
| 2226 |
MSG_INFO("from %s to %s ",
|
| 2227 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 2228 |
|
| 2229 |
if(flags & SWS_CPU_CAPS_MMX2)
|
| 2230 |
MSG_INFO("using MMX2\n");
|
| 2231 |
else if(flags & SWS_CPU_CAPS_3DNOW) |
| 2232 |
MSG_INFO("using 3DNOW\n");
|
| 2233 |
else if(flags & SWS_CPU_CAPS_MMX) |
| 2234 |
MSG_INFO("using MMX\n");
|
| 2235 |
else if(flags & SWS_CPU_CAPS_ALTIVEC) |
| 2236 |
MSG_INFO("using AltiVec\n");
|
| 2237 |
else
|
| 2238 |
MSG_INFO("using C\n");
|
| 2239 |
} |
| 2240 |
|
| 2241 |
if(flags & SWS_PRINT_INFO)
|
| 2242 |
{
|
| 2243 |
if(flags & SWS_CPU_CAPS_MMX)
|
| 2244 |
{
|
| 2245 |
if(c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
|
| 2246 |
MSG_V("SwScaler: using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
|
| 2247 |
else
|
| 2248 |
{
|
| 2249 |
if(c->hLumFilterSize==4) |
| 2250 |
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal luminance scaling\n");
|
| 2251 |
else if(c->hLumFilterSize==8) |
| 2252 |
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal luminance scaling\n");
|
| 2253 |
else
|
| 2254 |
MSG_V("SwScaler: using n-tap MMX scaler for horizontal luminance scaling\n");
|
| 2255 |
|
| 2256 |
if(c->hChrFilterSize==4) |
| 2257 |
MSG_V("SwScaler: using 4-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2258 |
else if(c->hChrFilterSize==8) |
| 2259 |
MSG_V("SwScaler: using 8-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2260 |
else
|
| 2261 |
MSG_V("SwScaler: using n-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2262 |
} |
| 2263 |
} |
| 2264 |
else
|
| 2265 |
{
|
| 2266 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 2267 |
MSG_V("SwScaler: using X86-Asm scaler for horizontal scaling\n");
|
| 2268 |
#else
|
| 2269 |
if(flags & SWS_FAST_BILINEAR)
|
| 2270 |
MSG_V("SwScaler: using FAST_BILINEAR C scaler for horizontal scaling\n");
|
| 2271 |
else
|
| 2272 |
MSG_V("SwScaler: using C scaler for horizontal scaling\n");
|
| 2273 |
#endif
|
| 2274 |
} |
| 2275 |
if(isPlanarYUV(dstFormat))
|
| 2276 |
{
|
| 2277 |
if(c->vLumFilterSize==1) |
| 2278 |
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2279 |
else
|
| 2280 |
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2281 |
} |
| 2282 |
else
|
| 2283 |
{
|
| 2284 |
if(c->vLumFilterSize==1 && c->vChrFilterSize==2) |
| 2285 |
MSG_V("SwScaler: using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
|
| 2286 |
"SwScaler: 2-tap scaler for vertical chrominance scaling (BGR)\n",(flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2287 |
else if(c->vLumFilterSize==2 && c->vChrFilterSize==2) |
| 2288 |
MSG_V("SwScaler: using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2289 |
else
|
| 2290 |
MSG_V("SwScaler: using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2291 |
} |
| 2292 |
|
| 2293 |
if(dstFormat==IMGFMT_BGR24)
|
| 2294 |
MSG_V("SwScaler: using %s YV12->BGR24 Converter\n",
|
| 2295 |
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C")); |
| 2296 |
else if(dstFormat==IMGFMT_BGR32) |
| 2297 |
MSG_V("SwScaler: using %s YV12->BGR32 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2298 |
else if(dstFormat==IMGFMT_BGR16) |
| 2299 |
MSG_V("SwScaler: using %s YV12->BGR16 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2300 |
else if(dstFormat==IMGFMT_BGR15) |
| 2301 |
MSG_V("SwScaler: using %s YV12->BGR15 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2302 |
|
| 2303 |
MSG_V("SwScaler: %dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
| 2304 |
} |
| 2305 |
if(flags & SWS_PRINT_INFO)
|
| 2306 |
{
|
| 2307 |
MSG_DBG2("SwScaler:Lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
| 2308 |
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); |
| 2309 |
MSG_DBG2("SwScaler:Chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
| 2310 |
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc); |
| 2311 |
} |
| 2312 |
|
| 2313 |
c->swScale= getSwsFunc(flags); |
| 2314 |
return c;
|
| 2315 |
} |
| 2316 |
|
| 2317 |
/**
|
| 2318 |
* swscale warper, so we don't need to export the SwsContext.
|
| 2319 |
* assumes planar YUV to be in YUV order instead of YVU
|
| 2320 |
*/
|
| 2321 |
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 2322 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 2323 |
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { |
| 2324 |
MSG_ERR("swScaler: slices start in the middle!\n");
|
| 2325 |
return 0; |
| 2326 |
} |
| 2327 |
if (c->sliceDir == 0) { |
| 2328 |
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; |
| 2329 |
} |
| 2330 |
|
| 2331 |
// copy strides, so they can safely be modified
|
| 2332 |
if (c->sliceDir == 1) { |
| 2333 |
// slices go from top to bottom
|
| 2334 |
int srcStride2[3]= {srcStride[0], srcStride[1], srcStride[2]}; |
| 2335 |
int dstStride2[3]= {dstStride[0], dstStride[1], dstStride[2]}; |
| 2336 |
return c->swScale(c, src, srcStride2, srcSliceY, srcSliceH, dst, dstStride2);
|
| 2337 |
} else {
|
| 2338 |
// slices go from bottom to top => we flip the image internally
|
| 2339 |
uint8_t* src2[3]= {src[0] + (srcSliceH-1)*srcStride[0], |
| 2340 |
src[1] + ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1], |
| 2341 |
src[2] + ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2] |
| 2342 |
}; |
| 2343 |
uint8_t* dst2[3]= {dst[0] + (c->dstH-1)*dstStride[0], |
| 2344 |
dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1], |
| 2345 |
dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]}; |
| 2346 |
int srcStride2[3]= {-srcStride[0], -srcStride[1], -srcStride[2]}; |
| 2347 |
int dstStride2[3]= {-dstStride[0], -dstStride[1], -dstStride[2]}; |
| 2348 |
|
| 2349 |
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
|
| 2350 |
} |
| 2351 |
} |
| 2352 |
|
| 2353 |
/**
|
| 2354 |
* swscale warper, so we don't need to export the SwsContext
|
| 2355 |
*/
|
| 2356 |
int sws_scale(SwsContext *c, uint8_t* srcParam[], int srcStrideParam[], int srcSliceY, |
| 2357 |
int srcSliceH, uint8_t* dstParam[], int dstStrideParam[]){ |
| 2358 |
int srcStride[3]; |
| 2359 |
int dstStride[3]; |
| 2360 |
uint8_t *src[3];
|
| 2361 |
uint8_t *dst[3];
|
| 2362 |
sws_orderYUV(c->origSrcFormat, src, srcStride, srcParam, srcStrideParam); |
| 2363 |
sws_orderYUV(c->origDstFormat, dst, dstStride, dstParam, dstStrideParam); |
| 2364 |
//printf("sws: slice %d %d\n", srcSliceY, srcSliceH);
|
| 2365 |
|
| 2366 |
return c->swScale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
|
| 2367 |
} |
| 2368 |
|
| 2369 |
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, |
| 2370 |
float lumaSharpen, float chromaSharpen, |
| 2371 |
float chromaHShift, float chromaVShift, |
| 2372 |
int verbose)
|
| 2373 |
{
|
| 2374 |
SwsFilter *filter= av_malloc(sizeof(SwsFilter));
|
| 2375 |
|
| 2376 |
if(lumaGBlur!=0.0){ |
| 2377 |
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); |
| 2378 |
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); |
| 2379 |
}else{
|
| 2380 |
filter->lumH= sws_getIdentityVec(); |
| 2381 |
filter->lumV= sws_getIdentityVec(); |
| 2382 |
} |
| 2383 |
|
| 2384 |
if(chromaGBlur!=0.0){ |
| 2385 |
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); |
| 2386 |
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); |
| 2387 |
}else{
|
| 2388 |
filter->chrH= sws_getIdentityVec(); |
| 2389 |
filter->chrV= sws_getIdentityVec(); |
| 2390 |
} |
| 2391 |
|
| 2392 |
if(chromaSharpen!=0.0){ |
| 2393 |
SwsVector *id= sws_getIdentityVec(); |
| 2394 |
sws_scaleVec(filter->chrH, -chromaSharpen); |
| 2395 |
sws_scaleVec(filter->chrV, -chromaSharpen); |
| 2396 |
sws_addVec(filter->chrH, id); |
| 2397 |
sws_addVec(filter->chrV, id); |
| 2398 |
sws_freeVec(id); |
| 2399 |
} |
| 2400 |
|
| 2401 |
if(lumaSharpen!=0.0){ |
| 2402 |
SwsVector *id= sws_getIdentityVec(); |
| 2403 |
sws_scaleVec(filter->lumH, -lumaSharpen); |
| 2404 |
sws_scaleVec(filter->lumV, -lumaSharpen); |
| 2405 |
sws_addVec(filter->lumH, id); |
| 2406 |
sws_addVec(filter->lumV, id); |
| 2407 |
sws_freeVec(id); |
| 2408 |
} |
| 2409 |
|
| 2410 |
if(chromaHShift != 0.0) |
| 2411 |
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5)); |
| 2412 |
|
| 2413 |
if(chromaVShift != 0.0) |
| 2414 |
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5)); |
| 2415 |
|
| 2416 |
sws_normalizeVec(filter->chrH, 1.0); |
| 2417 |
sws_normalizeVec(filter->chrV, 1.0); |
| 2418 |
sws_normalizeVec(filter->lumH, 1.0); |
| 2419 |
sws_normalizeVec(filter->lumV, 1.0); |
| 2420 |
|
| 2421 |
if(verbose) sws_printVec(filter->chrH);
|
| 2422 |
if(verbose) sws_printVec(filter->lumH);
|
| 2423 |
|
| 2424 |
return filter;
|
| 2425 |
} |
| 2426 |
|
| 2427 |
/**
|
| 2428 |
* returns a normalized gaussian curve used to filter stuff
|
| 2429 |
* quality=3 is high quality, lowwer is lowwer quality
|
| 2430 |
*/
|
| 2431 |
SwsVector *sws_getGaussianVec(double variance, double quality){ |
| 2432 |
const int length= (int)(variance*quality + 0.5) | 1; |
| 2433 |
int i;
|
| 2434 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2435 |
double middle= (length-1)*0.5; |
| 2436 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2437 |
|
| 2438 |
vec->coeff= coeff; |
| 2439 |
vec->length= length; |
| 2440 |
|
| 2441 |
for(i=0; i<length; i++) |
| 2442 |
{
|
| 2443 |
double dist= i-middle;
|
| 2444 |
coeff[i]= exp( -dist*dist/(2*variance*variance) ) / sqrt(2*variance*PI); |
| 2445 |
} |
| 2446 |
|
| 2447 |
sws_normalizeVec(vec, 1.0); |
| 2448 |
|
| 2449 |
return vec;
|
| 2450 |
} |
| 2451 |
|
| 2452 |
SwsVector *sws_getConstVec(double c, int length){ |
| 2453 |
int i;
|
| 2454 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2455 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2456 |
|
| 2457 |
vec->coeff= coeff; |
| 2458 |
vec->length= length; |
| 2459 |
|
| 2460 |
for(i=0; i<length; i++) |
| 2461 |
coeff[i]= c; |
| 2462 |
|
| 2463 |
return vec;
|
| 2464 |
} |
| 2465 |
|
| 2466 |
|
| 2467 |
SwsVector *sws_getIdentityVec(void){
|
| 2468 |
return sws_getConstVec(1.0, 1); |
| 2469 |
} |
| 2470 |
|
| 2471 |
double sws_dcVec(SwsVector *a){
|
| 2472 |
int i;
|
| 2473 |
double sum=0; |
| 2474 |
|
| 2475 |
for(i=0; i<a->length; i++) |
| 2476 |
sum+= a->coeff[i]; |
| 2477 |
|
| 2478 |
return sum;
|
| 2479 |
} |
| 2480 |
|
| 2481 |
void sws_scaleVec(SwsVector *a, double scalar){ |
| 2482 |
int i;
|
| 2483 |
|
| 2484 |
for(i=0; i<a->length; i++) |
| 2485 |
a->coeff[i]*= scalar; |
| 2486 |
} |
| 2487 |
|
| 2488 |
void sws_normalizeVec(SwsVector *a, double height){ |
| 2489 |
sws_scaleVec(a, height/sws_dcVec(a)); |
| 2490 |
} |
| 2491 |
|
| 2492 |
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){
|
| 2493 |
int length= a->length + b->length - 1; |
| 2494 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2495 |
int i, j;
|
| 2496 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2497 |
|
| 2498 |
vec->coeff= coeff; |
| 2499 |
vec->length= length; |
| 2500 |
|
| 2501 |
for(i=0; i<length; i++) coeff[i]= 0.0; |
| 2502 |
|
| 2503 |
for(i=0; i<a->length; i++) |
| 2504 |
{
|
| 2505 |
for(j=0; j<b->length; j++) |
| 2506 |
{
|
| 2507 |
coeff[i+j]+= a->coeff[i]*b->coeff[j]; |
| 2508 |
} |
| 2509 |
} |
| 2510 |
|
| 2511 |
return vec;
|
| 2512 |
} |
| 2513 |
|
| 2514 |
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){
|
| 2515 |
int length= FFMAX(a->length, b->length);
|
| 2516 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2517 |
int i;
|
| 2518 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2519 |
|
| 2520 |
vec->coeff= coeff; |
| 2521 |
vec->length= length; |
| 2522 |
|
| 2523 |
for(i=0; i<length; i++) coeff[i]= 0.0; |
| 2524 |
|
| 2525 |
for(i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
| 2526 |
for(i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; |
| 2527 |
|
| 2528 |
return vec;
|
| 2529 |
} |
| 2530 |
|
| 2531 |
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
|
| 2532 |
int length= FFMAX(a->length, b->length);
|
| 2533 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2534 |
int i;
|
| 2535 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2536 |
|
| 2537 |
vec->coeff= coeff; |
| 2538 |
vec->length= length; |
| 2539 |
|
| 2540 |
for(i=0; i<length; i++) coeff[i]= 0.0; |
| 2541 |
|
| 2542 |
for(i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
| 2543 |
for(i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i]; |
| 2544 |
|
| 2545 |
return vec;
|
| 2546 |
} |
| 2547 |
|
| 2548 |
/* shift left / or right if "shift" is negative */
|
| 2549 |
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ |
| 2550 |
int length= a->length + ABS(shift)*2; |
| 2551 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2552 |
int i;
|
| 2553 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2554 |
|
| 2555 |
vec->coeff= coeff; |
| 2556 |
vec->length= length; |
| 2557 |
|
| 2558 |
for(i=0; i<length; i++) coeff[i]= 0.0; |
| 2559 |
|
| 2560 |
for(i=0; i<a->length; i++) |
| 2561 |
{
|
| 2562 |
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; |
| 2563 |
} |
| 2564 |
|
| 2565 |
return vec;
|
| 2566 |
} |
| 2567 |
|
| 2568 |
void sws_shiftVec(SwsVector *a, int shift){ |
| 2569 |
SwsVector *shifted= sws_getShiftedVec(a, shift); |
| 2570 |
av_free(a->coeff); |
| 2571 |
a->coeff= shifted->coeff; |
| 2572 |
a->length= shifted->length; |
| 2573 |
av_free(shifted); |
| 2574 |
} |
| 2575 |
|
| 2576 |
void sws_addVec(SwsVector *a, SwsVector *b){
|
| 2577 |
SwsVector *sum= sws_sumVec(a, b); |
| 2578 |
av_free(a->coeff); |
| 2579 |
a->coeff= sum->coeff; |
| 2580 |
a->length= sum->length; |
| 2581 |
av_free(sum); |
| 2582 |
} |
| 2583 |
|
| 2584 |
void sws_subVec(SwsVector *a, SwsVector *b){
|
| 2585 |
SwsVector *diff= sws_diffVec(a, b); |
| 2586 |
av_free(a->coeff); |
| 2587 |
a->coeff= diff->coeff; |
| 2588 |
a->length= diff->length; |
| 2589 |
av_free(diff); |
| 2590 |
} |
| 2591 |
|
| 2592 |
void sws_convVec(SwsVector *a, SwsVector *b){
|
| 2593 |
SwsVector *conv= sws_getConvVec(a, b); |
| 2594 |
av_free(a->coeff); |
| 2595 |
a->coeff= conv->coeff; |
| 2596 |
a->length= conv->length; |
| 2597 |
av_free(conv); |
| 2598 |
} |
| 2599 |
|
| 2600 |
SwsVector *sws_cloneVec(SwsVector *a){
|
| 2601 |
double *coeff= av_malloc(a->length*sizeof(double)); |
| 2602 |
int i;
|
| 2603 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2604 |
|
| 2605 |
vec->coeff= coeff; |
| 2606 |
vec->length= a->length; |
| 2607 |
|
| 2608 |
for(i=0; i<a->length; i++) coeff[i]= a->coeff[i]; |
| 2609 |
|
| 2610 |
return vec;
|
| 2611 |
} |
| 2612 |
|
| 2613 |
void sws_printVec(SwsVector *a){
|
| 2614 |
int i;
|
| 2615 |
double max=0; |
| 2616 |
double min=0; |
| 2617 |
double range;
|
| 2618 |
|
| 2619 |
for(i=0; i<a->length; i++) |
| 2620 |
if(a->coeff[i]>max) max= a->coeff[i];
|
| 2621 |
|
| 2622 |
for(i=0; i<a->length; i++) |
| 2623 |
if(a->coeff[i]<min) min= a->coeff[i];
|
| 2624 |
|
| 2625 |
range= max - min; |
| 2626 |
|
| 2627 |
for(i=0; i<a->length; i++) |
| 2628 |
{
|
| 2629 |
int x= (int)((a->coeff[i]-min)*60.0/range +0.5); |
| 2630 |
MSG_DBG2("%1.3f ", a->coeff[i]);
|
| 2631 |
for(;x>0; x--) MSG_DBG2(" "); |
| 2632 |
MSG_DBG2("|\n");
|
| 2633 |
} |
| 2634 |
} |
| 2635 |
|
| 2636 |
void sws_freeVec(SwsVector *a){
|
| 2637 |
if(!a) return; |
| 2638 |
av_free(a->coeff); |
| 2639 |
a->coeff=NULL;
|
| 2640 |
a->length=0;
|
| 2641 |
av_free(a); |
| 2642 |
} |
| 2643 |
|
| 2644 |
void sws_freeFilter(SwsFilter *filter){
|
| 2645 |
if(!filter) return; |
| 2646 |
|
| 2647 |
if(filter->lumH) sws_freeVec(filter->lumH);
|
| 2648 |
if(filter->lumV) sws_freeVec(filter->lumV);
|
| 2649 |
if(filter->chrH) sws_freeVec(filter->chrH);
|
| 2650 |
if(filter->chrV) sws_freeVec(filter->chrV);
|
| 2651 |
av_free(filter); |
| 2652 |
} |
| 2653 |
|
| 2654 |
|
| 2655 |
void sws_freeContext(SwsContext *c){
|
| 2656 |
int i;
|
| 2657 |
if(!c) return; |
| 2658 |
|
| 2659 |
if(c->lumPixBuf)
|
| 2660 |
{
|
| 2661 |
for(i=0; i<c->vLumBufSize; i++) |
| 2662 |
{
|
| 2663 |
av_free(c->lumPixBuf[i]); |
| 2664 |
c->lumPixBuf[i]=NULL;
|
| 2665 |
} |
| 2666 |
av_free(c->lumPixBuf); |
| 2667 |
c->lumPixBuf=NULL;
|
| 2668 |
} |
| 2669 |
|
| 2670 |
if(c->chrPixBuf)
|
| 2671 |
{
|
| 2672 |
for(i=0; i<c->vChrBufSize; i++) |
| 2673 |
{
|
| 2674 |
av_free(c->chrPixBuf[i]); |
| 2675 |
c->chrPixBuf[i]=NULL;
|
| 2676 |
} |
| 2677 |
av_free(c->chrPixBuf); |
| 2678 |
c->chrPixBuf=NULL;
|
| 2679 |
} |
| 2680 |
|
| 2681 |
av_free(c->vLumFilter); |
| 2682 |
c->vLumFilter = NULL;
|
| 2683 |
av_free(c->vChrFilter); |
| 2684 |
c->vChrFilter = NULL;
|
| 2685 |
av_free(c->hLumFilter); |
| 2686 |
c->hLumFilter = NULL;
|
| 2687 |
av_free(c->hChrFilter); |
| 2688 |
c->hChrFilter = NULL;
|
| 2689 |
#ifdef HAVE_ALTIVEC
|
| 2690 |
av_free(c->vYCoeffsBank); |
| 2691 |
c->vYCoeffsBank = NULL;
|
| 2692 |
av_free(c->vCCoeffsBank); |
| 2693 |
c->vCCoeffsBank = NULL;
|
| 2694 |
#endif
|
| 2695 |
|
| 2696 |
av_free(c->vLumFilterPos); |
| 2697 |
c->vLumFilterPos = NULL;
|
| 2698 |
av_free(c->vChrFilterPos); |
| 2699 |
c->vChrFilterPos = NULL;
|
| 2700 |
av_free(c->hLumFilterPos); |
| 2701 |
c->hLumFilterPos = NULL;
|
| 2702 |
av_free(c->hChrFilterPos); |
| 2703 |
c->hChrFilterPos = NULL;
|
| 2704 |
|
| 2705 |
#if defined(ARCH_X86) || defined(ARCH_X86_64)
|
| 2706 |
#ifdef MAP_ANONYMOUS
|
| 2707 |
if(c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE);
|
| 2708 |
if(c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE);
|
| 2709 |
#else
|
| 2710 |
av_free(c->funnyYCode); |
| 2711 |
av_free(c->funnyUVCode); |
| 2712 |
#endif
|
| 2713 |
c->funnyYCode=NULL;
|
| 2714 |
c->funnyUVCode=NULL;
|
| 2715 |
#endif /* defined(ARCH_X86) || defined(ARCH_X86_64) */ |
| 2716 |
|
| 2717 |
av_free(c->lumMmx2Filter); |
| 2718 |
c->lumMmx2Filter=NULL;
|
| 2719 |
av_free(c->chrMmx2Filter); |
| 2720 |
c->chrMmx2Filter=NULL;
|
| 2721 |
av_free(c->lumMmx2FilterPos); |
| 2722 |
c->lumMmx2FilterPos=NULL;
|
| 2723 |
av_free(c->chrMmx2FilterPos); |
| 2724 |
c->chrMmx2FilterPos=NULL;
|
| 2725 |
av_free(c->yuvTable); |
| 2726 |
c->yuvTable=NULL;
|
| 2727 |
|
| 2728 |
av_free(c); |
| 2729 |
} |
| 2730 |
|