mirror of
https://github.com/FFmpeg/FFmpeg.git
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b82ecd6258
thus revert the respective optimization. The table generator code has to be rewritten anyway one day by some volunteer because its not LGPL, fixing the GPL table generator thus seems like wasted time. Originally committed as revision 27591 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
3009 lines
100 KiB
C
3009 lines
100 KiB
C
/*
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* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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*
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* FFmpeg 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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*
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* You should have received a copy of the GNU General Public License
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* along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* the C code (not assembly, mmx, ...) of this file can be used
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* under the LGPL license too
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*/
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/*
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supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8
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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 did not 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 (it is 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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#define _SVID_SOURCE //needed for MAP_ANONYMOUS
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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_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 "rgb2rgb.h"
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#include "libavutil/x86_cpu.h"
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#include "libavutil/bswap.h"
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unsigned swscale_version(void)
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{
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return LIBSWSCALE_VERSION_INT;
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}
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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 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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#define isSupportedIn(x) ( \
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(x)==PIX_FMT_YUV420P \
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|| (x)==PIX_FMT_YUVA420P \
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|| (x)==PIX_FMT_YUYV422 \
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|| (x)==PIX_FMT_UYVY422 \
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|| (x)==PIX_FMT_RGB32 \
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|| (x)==PIX_FMT_RGB32_1 \
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|| (x)==PIX_FMT_BGR24 \
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|| (x)==PIX_FMT_BGR565 \
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|| (x)==PIX_FMT_BGR555 \
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|| (x)==PIX_FMT_BGR32 \
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|| (x)==PIX_FMT_BGR32_1 \
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|| (x)==PIX_FMT_RGB24 \
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|| (x)==PIX_FMT_RGB565 \
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|| (x)==PIX_FMT_RGB555 \
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|| (x)==PIX_FMT_GRAY8 \
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|| (x)==PIX_FMT_YUV410P \
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|| (x)==PIX_FMT_YUV440P \
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|| (x)==PIX_FMT_GRAY16BE \
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|| (x)==PIX_FMT_GRAY16LE \
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|| (x)==PIX_FMT_YUV444P \
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|| (x)==PIX_FMT_YUV422P \
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|| (x)==PIX_FMT_YUV411P \
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|| (x)==PIX_FMT_PAL8 \
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|| (x)==PIX_FMT_BGR8 \
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|| (x)==PIX_FMT_RGB8 \
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|| (x)==PIX_FMT_BGR4_BYTE \
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|| (x)==PIX_FMT_RGB4_BYTE \
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|| (x)==PIX_FMT_YUV440P \
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|| (x)==PIX_FMT_MONOWHITE \
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|| (x)==PIX_FMT_MONOBLACK \
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)
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#define isSupportedOut(x) ( \
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(x)==PIX_FMT_YUV420P \
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|| (x)==PIX_FMT_YUYV422 \
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|| (x)==PIX_FMT_UYVY422 \
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|| (x)==PIX_FMT_YUV444P \
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|| (x)==PIX_FMT_YUV422P \
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|| (x)==PIX_FMT_YUV411P \
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|| isRGB(x) \
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|| isBGR(x) \
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|| (x)==PIX_FMT_NV12 \
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|| (x)==PIX_FMT_NV21 \
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|| (x)==PIX_FMT_GRAY16BE \
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|| (x)==PIX_FMT_GRAY16LE \
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|| (x)==PIX_FMT_GRAY8 \
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|| (x)==PIX_FMT_YUV410P \
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|| (x)==PIX_FMT_YUV440P \
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)
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#define isPacked(x) ( \
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(x)==PIX_FMT_PAL8 \
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|| (x)==PIX_FMT_YUYV422 \
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|| (x)==PIX_FMT_UYVY422 \
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|| isRGB(x) \
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|| isBGR(x) \
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)
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#define RGB2YUV_SHIFT 15
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#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define RY ( (int)(0.299*219/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5))
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extern const int32_t Inverse_Table_6_9[8][4];
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static const double rgb2yuv_table[8][9]={
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{0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
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{0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5},
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
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{0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5},
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{0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //SMPTE 170M
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{0.701 , 0.087 , 0.212 , -0.384, 0.5 -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M
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};
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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 misalignment 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 (CONFIG_GPL)
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DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
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DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
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DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
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DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
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DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
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DECLARE_ASM_CONST(8, uint64_t, 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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const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]) = {
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0x0103010301030103LL,
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0x0200020002000200LL,};
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const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]) = {
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0x0602060206020602LL,
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0x0004000400040004LL,};
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DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
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DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
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#ifdef FAST_BGR2YV12
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
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#else
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
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#endif /* FAST_BGR2YV12 */
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toUV[2][4]) = {
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{0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
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{0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
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};
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
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#endif /* defined(ARCH_X86) */
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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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const char *sws_format_name(enum PixelFormat format)
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{
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switch (format) {
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case PIX_FMT_YUV420P:
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return "yuv420p";
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case PIX_FMT_YUVA420P:
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return "yuva420p";
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case PIX_FMT_YUYV422:
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return "yuyv422";
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case PIX_FMT_RGB24:
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return "rgb24";
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case PIX_FMT_BGR24:
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return "bgr24";
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case PIX_FMT_YUV422P:
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return "yuv422p";
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case PIX_FMT_YUV444P:
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return "yuv444p";
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case PIX_FMT_RGB32:
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return "rgb32";
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case PIX_FMT_YUV410P:
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return "yuv410p";
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case PIX_FMT_YUV411P:
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return "yuv411p";
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case PIX_FMT_RGB565:
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return "rgb565";
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case PIX_FMT_RGB555:
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return "rgb555";
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case PIX_FMT_GRAY16BE:
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return "gray16be";
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case PIX_FMT_GRAY16LE:
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return "gray16le";
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case PIX_FMT_GRAY8:
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return "gray8";
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case PIX_FMT_MONOWHITE:
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return "mono white";
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case PIX_FMT_MONOBLACK:
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return "mono black";
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case PIX_FMT_PAL8:
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return "Palette";
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case PIX_FMT_YUVJ420P:
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return "yuvj420p";
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case PIX_FMT_YUVJ422P:
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return "yuvj422p";
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case PIX_FMT_YUVJ444P:
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return "yuvj444p";
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case PIX_FMT_XVMC_MPEG2_MC:
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return "xvmc_mpeg2_mc";
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case PIX_FMT_XVMC_MPEG2_IDCT:
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return "xvmc_mpeg2_idct";
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case PIX_FMT_UYVY422:
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return "uyvy422";
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case PIX_FMT_UYYVYY411:
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return "uyyvyy411";
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case PIX_FMT_RGB32_1:
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return "rgb32x";
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case PIX_FMT_BGR32_1:
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return "bgr32x";
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case PIX_FMT_BGR32:
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return "bgr32";
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case PIX_FMT_BGR565:
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return "bgr565";
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case PIX_FMT_BGR555:
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return "bgr555";
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case PIX_FMT_BGR8:
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return "bgr8";
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case PIX_FMT_BGR4:
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return "bgr4";
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case PIX_FMT_BGR4_BYTE:
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return "bgr4 byte";
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case PIX_FMT_RGB8:
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return "rgb8";
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case PIX_FMT_RGB4:
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return "rgb4";
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case PIX_FMT_RGB4_BYTE:
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return "rgb4 byte";
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case PIX_FMT_NV12:
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return "nv12";
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case PIX_FMT_NV21:
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return "nv21";
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case PIX_FMT_YUV440P:
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return "yuv440p";
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default:
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return "Unknown format";
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}
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}
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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]= av_clip_uint8(val>>19);
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}
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if (uDest)
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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 + VOFW] * chrFilter[j];
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}
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uDest[i]= av_clip_uint8(u>>19);
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vDest[i]= av_clip_uint8(v>>19);
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}
|
|
}
|
|
|
|
static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
|
|
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
|
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
|
|
{
|
|
//FIXME Optimize (just quickly writen not opti..)
|
|
int i;
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int val=1<<18;
|
|
int j;
|
|
for (j=0; j<lumFilterSize; j++)
|
|
val += lumSrc[j][i] * lumFilter[j];
|
|
|
|
dest[i]= av_clip_uint8(val>>19);
|
|
}
|
|
|
|
if (!uDest)
|
|
return;
|
|
|
|
if (dstFormat == PIX_FMT_NV12)
|
|
for (i=0; i<chrDstW; i++)
|
|
{
|
|
int u=1<<18;
|
|
int v=1<<18;
|
|
int j;
|
|
for (j=0; j<chrFilterSize; j++)
|
|
{
|
|
u += chrSrc[j][i] * chrFilter[j];
|
|
v += chrSrc[j][i + VOFW] * chrFilter[j];
|
|
}
|
|
|
|
uDest[2*i]= av_clip_uint8(u>>19);
|
|
uDest[2*i+1]= av_clip_uint8(v>>19);
|
|
}
|
|
else
|
|
for (i=0; i<chrDstW; i++)
|
|
{
|
|
int u=1<<18;
|
|
int v=1<<18;
|
|
int j;
|
|
for (j=0; j<chrFilterSize; j++)
|
|
{
|
|
u += chrSrc[j][i] * chrFilter[j];
|
|
v += chrSrc[j][i + VOFW] * chrFilter[j];
|
|
}
|
|
|
|
uDest[2*i]= av_clip_uint8(v>>19);
|
|
uDest[2*i+1]= av_clip_uint8(u>>19);
|
|
}
|
|
}
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type) \
|
|
for (i=0; i<(dstW>>1); i++){\
|
|
int j;\
|
|
int Y1 = 1<<18;\
|
|
int Y2 = 1<<18;\
|
|
int U = 1<<18;\
|
|
int V = 1<<18;\
|
|
type av_unused *r, *b, *g;\
|
|
const int i2= 2*i;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++)\
|
|
{\
|
|
Y1 += lumSrc[j][i2] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
|
}\
|
|
for (j=0; j<chrFilterSize; j++)\
|
|
{\
|
|
U += chrSrc[j][i] * chrFilter[j];\
|
|
V += chrSrc[j][i+VOFW] * chrFilter[j];\
|
|
}\
|
|
Y1>>=19;\
|
|
Y2>>=19;\
|
|
U >>=19;\
|
|
V >>=19;\
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_C(type) \
|
|
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type)\
|
|
if ((Y1|Y2|U|V)&256)\
|
|
{\
|
|
if (Y1>255) Y1=255; \
|
|
else if (Y1<0)Y1=0; \
|
|
if (Y2>255) Y2=255; \
|
|
else if (Y2<0)Y2=0; \
|
|
if (U>255) U=255; \
|
|
else if (U<0) U=0; \
|
|
if (V>255) V=255; \
|
|
else if (V<0) V=0; \
|
|
}
|
|
|
|
#define YSCALE_YUV_2_PACKEDX_FULL_C \
|
|
for (i=0; i<dstW; i++){\
|
|
int j;\
|
|
int Y = 0;\
|
|
int U = -128<<19;\
|
|
int V = -128<<19;\
|
|
int R,G,B;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++){\
|
|
Y += lumSrc[j][i ] * lumFilter[j];\
|
|
}\
|
|
for (j=0; j<chrFilterSize; j++){\
|
|
U += chrSrc[j][i ] * chrFilter[j];\
|
|
V += chrSrc[j][i+VOFW] * chrFilter[j];\
|
|
}\
|
|
Y >>=10;\
|
|
U >>=10;\
|
|
V >>=10;\
|
|
|
|
#define YSCALE_YUV_2_RGBX_FULL_C(rnd) \
|
|
YSCALE_YUV_2_PACKEDX_FULL_C\
|
|
Y-= c->oy;\
|
|
Y*= c->cy;\
|
|
Y+= rnd;\
|
|
R= Y + V*c->cvr;\
|
|
G= Y + V*c->cvg + U*c->cug;\
|
|
B= Y + U*c->cub;\
|
|
if ((R|G|B)&(0xC0000000)){\
|
|
if (R>=(256<<22)) R=(256<<22)-1; \
|
|
else if (R<0)R=0; \
|
|
if (G>=(256<<22)) G=(256<<22)-1; \
|
|
else if (G<0)G=0; \
|
|
if (B>=(256<<22)) B=(256<<22)-1; \
|
|
else if (B<0)B=0; \
|
|
}\
|
|
|
|
|
|
#define YSCALE_YUV_2_GRAY16_C \
|
|
for (i=0; i<(dstW>>1); i++){\
|
|
int j;\
|
|
int Y1 = 1<<18;\
|
|
int Y2 = 1<<18;\
|
|
int U = 1<<18;\
|
|
int V = 1<<18;\
|
|
\
|
|
const int i2= 2*i;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++)\
|
|
{\
|
|
Y1 += lumSrc[j][i2] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
|
}\
|
|
Y1>>=11;\
|
|
Y2>>=11;\
|
|
if ((Y1|Y2|U|V)&65536)\
|
|
{\
|
|
if (Y1>65535) Y1=65535; \
|
|
else if (Y1<0)Y1=0; \
|
|
if (Y2>65535) Y2=65535; \
|
|
else if (Y2<0)Y2=0; \
|
|
}
|
|
|
|
#define YSCALE_YUV_2_RGBX_C(type) \
|
|
YSCALE_YUV_2_PACKEDX_C(type) /* FIXME fix tables so that cliping is not needed and then use _NOCLIP*/\
|
|
r = (type *)c->table_rV[V]; \
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]); \
|
|
b = (type *)c->table_bU[U]; \
|
|
|
|
#define YSCALE_YUV_2_PACKED2_C \
|
|
for (i=0; i<(dstW>>1); i++){ \
|
|
const int i2= 2*i; \
|
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
|
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \
|
|
int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \
|
|
int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \
|
|
|
|
#define YSCALE_YUV_2_GRAY16_2_C \
|
|
for (i=0; i<(dstW>>1); i++){ \
|
|
const int i2= 2*i; \
|
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \
|
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \
|
|
|
|
#define YSCALE_YUV_2_RGB2_C(type) \
|
|
YSCALE_YUV_2_PACKED2_C\
|
|
type *r, *b, *g;\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];\
|
|
|
|
#define YSCALE_YUV_2_PACKED1_C \
|
|
for (i=0; i<(dstW>>1); i++){\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]>>7;\
|
|
int Y2= buf0[i2+1]>>7;\
|
|
int U= (uvbuf1[i ])>>7;\
|
|
int V= (uvbuf1[i+VOFW])>>7;\
|
|
|
|
#define YSCALE_YUV_2_GRAY16_1_C \
|
|
for (i=0; i<(dstW>>1); i++){\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]<<1;\
|
|
int Y2= buf0[i2+1]<<1;\
|
|
|
|
#define YSCALE_YUV_2_RGB1_C(type) \
|
|
YSCALE_YUV_2_PACKED1_C\
|
|
type *r, *b, *g;\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];\
|
|
|
|
#define YSCALE_YUV_2_PACKED1B_C \
|
|
for (i=0; i<(dstW>>1); i++){\
|
|
const int i2= 2*i;\
|
|
int Y1= buf0[i2 ]>>7;\
|
|
int Y2= buf0[i2+1]>>7;\
|
|
int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\
|
|
int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\
|
|
|
|
#define YSCALE_YUV_2_RGB1B_C(type) \
|
|
YSCALE_YUV_2_PACKED1B_C\
|
|
type *r, *b, *g;\
|
|
r = (type *)c->table_rV[V];\
|
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\
|
|
b = (type *)c->table_bU[U];\
|
|
|
|
#define YSCALE_YUV_2_MONO2_C \
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
|
|
for (i=0; i<dstW-7; i+=8){\
|
|
int acc;\
|
|
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
|
|
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
|
|
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\
|
|
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\
|
|
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\
|
|
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\
|
|
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\
|
|
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\
|
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
|
dest++;\
|
|
}\
|
|
|
|
|
|
#define YSCALE_YUV_2_MONOX_C \
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
|
|
int acc=0;\
|
|
for (i=0; i<dstW-1; i+=2){\
|
|
int j;\
|
|
int Y1=1<<18;\
|
|
int Y2=1<<18;\
|
|
\
|
|
for (j=0; j<lumFilterSize; j++)\
|
|
{\
|
|
Y1 += lumSrc[j][i] * lumFilter[j];\
|
|
Y2 += lumSrc[j][i+1] * lumFilter[j];\
|
|
}\
|
|
Y1>>=19;\
|
|
Y2>>=19;\
|
|
if ((Y1|Y2)&256)\
|
|
{\
|
|
if (Y1>255) Y1=255;\
|
|
else if (Y1<0)Y1=0;\
|
|
if (Y2>255) Y2=255;\
|
|
else if (Y2<0)Y2=0;\
|
|
}\
|
|
acc+= acc + g[Y1+d128[(i+0)&7]];\
|
|
acc+= acc + g[Y2+d128[(i+1)&7]];\
|
|
if ((i&7)==6){\
|
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
|
dest++;\
|
|
}\
|
|
}
|
|
|
|
|
|
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
|
|
switch(c->dstFormat)\
|
|
{\
|
|
case PIX_FMT_RGB32:\
|
|
case PIX_FMT_BGR32:\
|
|
case PIX_FMT_RGB32_1:\
|
|
case PIX_FMT_BGR32_1:\
|
|
func(uint32_t)\
|
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_RGB24:\
|
|
func(uint8_t)\
|
|
((uint8_t*)dest)[0]= r[Y1];\
|
|
((uint8_t*)dest)[1]= g[Y1];\
|
|
((uint8_t*)dest)[2]= b[Y1];\
|
|
((uint8_t*)dest)[3]= r[Y2];\
|
|
((uint8_t*)dest)[4]= g[Y2];\
|
|
((uint8_t*)dest)[5]= b[Y2];\
|
|
dest+=6;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_BGR24:\
|
|
func(uint8_t)\
|
|
((uint8_t*)dest)[0]= b[Y1];\
|
|
((uint8_t*)dest)[1]= g[Y1];\
|
|
((uint8_t*)dest)[2]= r[Y1];\
|
|
((uint8_t*)dest)[3]= b[Y2];\
|
|
((uint8_t*)dest)[4]= g[Y2];\
|
|
((uint8_t*)dest)[5]= r[Y2];\
|
|
dest+=6;\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB565:\
|
|
case PIX_FMT_BGR565:\
|
|
{\
|
|
const int dr1= dither_2x2_8[y&1 ][0];\
|
|
const int dg1= dither_2x2_4[y&1 ][0];\
|
|
const int db1= dither_2x2_8[(y&1)^1][0];\
|
|
const int dr2= dither_2x2_8[y&1 ][1];\
|
|
const int dg2= dither_2x2_4[y&1 ][1];\
|
|
const int db2= dither_2x2_8[(y&1)^1][1];\
|
|
func(uint16_t)\
|
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB555:\
|
|
case PIX_FMT_BGR555:\
|
|
{\
|
|
const int dr1= dither_2x2_8[y&1 ][0];\
|
|
const int dg1= dither_2x2_8[y&1 ][1];\
|
|
const int db1= dither_2x2_8[(y&1)^1][0];\
|
|
const int dr2= dither_2x2_8[y&1 ][1];\
|
|
const int dg2= dither_2x2_8[y&1 ][0];\
|
|
const int db2= dither_2x2_8[(y&1)^1][1];\
|
|
func(uint16_t)\
|
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB8:\
|
|
case PIX_FMT_BGR8:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73[y&7];\
|
|
const uint8_t * const d32= dither_8x8_32[y&7];\
|
|
func(uint8_t)\
|
|
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\
|
|
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB4:\
|
|
case PIX_FMT_BGR4:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73 [y&7];\
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
func(uint8_t)\
|
|
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\
|
|
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_RGB4_BYTE:\
|
|
case PIX_FMT_BGR4_BYTE:\
|
|
{\
|
|
const uint8_t * const d64= dither_8x8_73 [y&7];\
|
|
const uint8_t * const d128=dither_8x8_220[y&7];\
|
|
func(uint8_t)\
|
|
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\
|
|
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\
|
|
}\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_MONOBLACK:\
|
|
case PIX_FMT_MONOWHITE:\
|
|
{\
|
|
func_monoblack\
|
|
}\
|
|
break;\
|
|
case PIX_FMT_YUYV422:\
|
|
func2\
|
|
((uint8_t*)dest)[2*i2+0]= Y1;\
|
|
((uint8_t*)dest)[2*i2+1]= U;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2;\
|
|
((uint8_t*)dest)[2*i2+3]= V;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_UYVY422:\
|
|
func2\
|
|
((uint8_t*)dest)[2*i2+0]= U;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1;\
|
|
((uint8_t*)dest)[2*i2+2]= V;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_GRAY16BE:\
|
|
func_g16\
|
|
((uint8_t*)dest)[2*i2+0]= Y1>>8;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2>>8;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2;\
|
|
} \
|
|
break;\
|
|
case PIX_FMT_GRAY16LE:\
|
|
func_g16\
|
|
((uint8_t*)dest)[2*i2+0]= Y1;\
|
|
((uint8_t*)dest)[2*i2+1]= Y1>>8;\
|
|
((uint8_t*)dest)[2*i2+2]= Y2;\
|
|
((uint8_t*)dest)[2*i2+3]= Y2>>8;\
|
|
} \
|
|
break;\
|
|
}\
|
|
|
|
|
|
static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
|
|
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
|
uint8_t *dest, int dstW, int y)
|
|
{
|
|
int i;
|
|
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C)
|
|
}
|
|
|
|
static inline void yuv2rgbXinC_full(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
|
|
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
|
uint8_t *dest, int dstW, int y)
|
|
{
|
|
int i;
|
|
int step= fmt_depth(c->dstFormat)/8;
|
|
|
|
switch(c->dstFormat){
|
|
case PIX_FMT_ARGB:
|
|
dest++;
|
|
case PIX_FMT_RGB24:
|
|
case PIX_FMT_RGBA:
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21)
|
|
dest[0]= R>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= B>>22;
|
|
dest[3]= 0;
|
|
dest+= step;
|
|
}
|
|
break;
|
|
case PIX_FMT_ABGR:
|
|
dest++;
|
|
case PIX_FMT_BGR24:
|
|
case PIX_FMT_BGRA:
|
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21)
|
|
dest[0]= B>>22;
|
|
dest[1]= G>>22;
|
|
dest[2]= R>>22;
|
|
dest[3]= 0;
|
|
dest+= step;
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
|
|
//Plain C versions
|
|
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT) || !defined(CONFIG_GPL)
|
|
#define COMPILE_C
|
|
#endif
|
|
|
|
#ifdef ARCH_POWERPC
|
|
#if (defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
|
#define COMPILE_ALTIVEC
|
|
#endif //HAVE_ALTIVEC
|
|
#endif //ARCH_POWERPC
|
|
|
|
#if defined(ARCH_X86)
|
|
|
|
#if ((defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
|
#define COMPILE_MMX
|
|
#endif
|
|
|
|
#if (defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
|
#define COMPILE_MMX2
|
|
#endif
|
|
|
|
#if ((defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
|
#define COMPILE_3DNOW
|
|
#endif
|
|
#endif //ARCH_X86 || ARCH_X86_64
|
|
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
|
|
#ifdef COMPILE_C
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#undef HAVE_ALTIVEC
|
|
#define RENAME(a) a ## _C
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
#ifdef COMPILE_ALTIVEC
|
|
#undef RENAME
|
|
#define HAVE_ALTIVEC
|
|
#define RENAME(a) a ## _altivec
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
#if defined(ARCH_X86)
|
|
|
|
//X86 versions
|
|
/*
|
|
#undef RENAME
|
|
#undef HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define ARCH_X86
|
|
#define RENAME(a) a ## _X86
|
|
#include "swscale_template.c"
|
|
*/
|
|
//MMX versions
|
|
#ifdef COMPILE_MMX
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define RENAME(a) a ## _MMX
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
//MMX2 versions
|
|
#ifdef COMPILE_MMX2
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#define HAVE_MMX2
|
|
#undef HAVE_3DNOW
|
|
#define RENAME(a) a ## _MMX2
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
//3DNOW versions
|
|
#ifdef COMPILE_3DNOW
|
|
#undef RENAME
|
|
#define HAVE_MMX
|
|
#undef HAVE_MMX2
|
|
#define HAVE_3DNOW
|
|
#define RENAME(a) a ## _3DNow
|
|
#include "swscale_template.c"
|
|
#endif
|
|
|
|
#endif //ARCH_X86 || ARCH_X86_64
|
|
|
|
// minor note: the HAVE_xyz is messed up after that line so don't use it
|
|
|
|
static double getSplineCoeff(double a, double b, double c, double d, double dist)
|
|
{
|
|
// printf("%f %f %f %f %f\n", a,b,c,d,dist);
|
|
if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
|
|
else return getSplineCoeff( 0.0,
|
|
b+ 2.0*c + 3.0*d,
|
|
c + 3.0*d,
|
|
-b- 3.0*c - 6.0*d,
|
|
dist-1.0);
|
|
}
|
|
|
|
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
|
|
int srcW, int dstW, int filterAlign, int one, int flags,
|
|
SwsVector *srcFilter, SwsVector *dstFilter, double param[2])
|
|
{
|
|
int i;
|
|
int filterSize;
|
|
int filter2Size;
|
|
int minFilterSize;
|
|
double *filter=NULL;
|
|
double *filter2=NULL;
|
|
int ret= -1;
|
|
#if defined(ARCH_X86)
|
|
if (flags & SWS_CPU_CAPS_MMX)
|
|
asm volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
|
|
#endif
|
|
|
|
// Note the +1 is for the MMXscaler which reads over the end
|
|
*filterPos = av_malloc((dstW+1)*sizeof(int16_t));
|
|
|
|
if (FFABS(xInc - 0x10000) <10) // unscaled
|
|
{
|
|
int i;
|
|
filterSize= 1;
|
|
filter= av_malloc(dstW*sizeof(double)*filterSize);
|
|
for (i=0; i<dstW*filterSize; i++) filter[i]=0;
|
|
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
filter[i*filterSize]=1;
|
|
(*filterPos)[i]=i;
|
|
}
|
|
|
|
}
|
|
else if (flags&SWS_POINT) // lame looking point sampling mode
|
|
{
|
|
int i;
|
|
int xDstInSrc;
|
|
filterSize= 1;
|
|
filter= av_malloc(dstW*sizeof(double)*filterSize);
|
|
|
|
xDstInSrc= xInc/2 - 0x8000;
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
|
|
|
|
(*filterPos)[i]= xx;
|
|
filter[i]= 1.0;
|
|
xDstInSrc+= xInc;
|
|
}
|
|
}
|
|
else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale
|
|
{
|
|
int i;
|
|
int xDstInSrc;
|
|
if (flags&SWS_BICUBIC) filterSize= 4;
|
|
else if (flags&SWS_X ) filterSize= 4;
|
|
else filterSize= 2; // SWS_BILINEAR / SWS_AREA
|
|
filter= av_malloc(dstW*sizeof(double)*filterSize);
|
|
|
|
xDstInSrc= xInc/2 - 0x8000;
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
|
|
int j;
|
|
|
|
(*filterPos)[i]= xx;
|
|
//Bilinear upscale / linear interpolate / Area averaging
|
|
for (j=0; j<filterSize; j++)
|
|
{
|
|
double d= FFABS((xx<<16) - xDstInSrc)/(double)(1<<16);
|
|
double coeff= 1.0 - d;
|
|
if (coeff<0) coeff=0;
|
|
filter[i*filterSize + j]= coeff;
|
|
xx++;
|
|
}
|
|
xDstInSrc+= xInc;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
double xDstInSrc;
|
|
double sizeFactor, filterSizeInSrc;
|
|
const double xInc1= (double)xInc / (double)(1<<16);
|
|
|
|
if (flags&SWS_BICUBIC) sizeFactor= 4.0;
|
|
else if (flags&SWS_X) sizeFactor= 8.0;
|
|
else if (flags&SWS_AREA) sizeFactor= 1.0; //downscale only, for upscale it is bilinear
|
|
else if (flags&SWS_GAUSS) sizeFactor= 8.0; // infinite ;)
|
|
else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? 2.0*param[0] : 6.0;
|
|
else if (flags&SWS_SINC) sizeFactor= 20.0; // infinite ;)
|
|
else if (flags&SWS_SPLINE) sizeFactor= 20.0; // infinite ;)
|
|
else if (flags&SWS_BILINEAR) sizeFactor= 2.0;
|
|
else {
|
|
sizeFactor= 0.0; //GCC warning killer
|
|
assert(0);
|
|
}
|
|
|
|
if (xInc1 <= 1.0) filterSizeInSrc= sizeFactor; // upscale
|
|
else filterSizeInSrc= sizeFactor*srcW / (double)dstW;
|
|
|
|
filterSize= (int)ceil(1 + filterSizeInSrc); // will be reduced later if possible
|
|
if (filterSize > srcW-2) filterSize=srcW-2;
|
|
|
|
filter= av_malloc(dstW*sizeof(double)*filterSize);
|
|
|
|
xDstInSrc= xInc1 / 2.0 - 0.5;
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int xx= (int)(xDstInSrc - (filterSize-1)*0.5 + 0.5);
|
|
int j;
|
|
(*filterPos)[i]= xx;
|
|
for (j=0; j<filterSize; j++)
|
|
{
|
|
double d= FFABS(xx - xDstInSrc)/filterSizeInSrc*sizeFactor;
|
|
double coeff;
|
|
if (flags & SWS_BICUBIC)
|
|
{
|
|
double B= param[0] != SWS_PARAM_DEFAULT ? param[0] : 0.0;
|
|
double C= param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6;
|
|
|
|
if (d<1.0)
|
|
coeff = (12-9*B-6*C)*d*d*d + (-18+12*B+6*C)*d*d + 6-2*B;
|
|
else if (d<2.0)
|
|
coeff = (-B-6*C)*d*d*d + (6*B+30*C)*d*d + (-12*B-48*C)*d +8*B+24*C;
|
|
else
|
|
coeff=0.0;
|
|
}
|
|
/* else if (flags & SWS_X)
|
|
{
|
|
double p= param ? param*0.01 : 0.3;
|
|
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
|
|
coeff*= pow(2.0, - p*d*d);
|
|
}*/
|
|
else if (flags & SWS_X)
|
|
{
|
|
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
|
|
|
|
if (d<1.0)
|
|
coeff = cos(d*PI);
|
|
else
|
|
coeff=-1.0;
|
|
if (coeff<0.0) coeff= -pow(-coeff, A);
|
|
else coeff= pow( coeff, A);
|
|
coeff= coeff*0.5 + 0.5;
|
|
}
|
|
else if (flags & SWS_AREA)
|
|
{
|
|
double srcPixelSize= 1.0/xInc1;
|
|
if (d + srcPixelSize/2 < 0.5) coeff= 1.0;
|
|
else if (d - srcPixelSize/2 < 0.5) coeff= (0.5-d)/srcPixelSize + 0.5;
|
|
else coeff=0.0;
|
|
}
|
|
else if (flags & SWS_GAUSS)
|
|
{
|
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
|
|
coeff = pow(2.0, - p*d*d);
|
|
}
|
|
else if (flags & SWS_SINC)
|
|
{
|
|
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
|
|
}
|
|
else if (flags & SWS_LANCZOS)
|
|
{
|
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
|
|
coeff = d ? sin(d*PI)*sin(d*PI/p)/(d*d*PI*PI/p) : 1.0;
|
|
if (d>p) coeff=0;
|
|
}
|
|
else if (flags & SWS_BILINEAR)
|
|
{
|
|
coeff= 1.0 - d;
|
|
if (coeff<0) coeff=0;
|
|
}
|
|
else if (flags & SWS_SPLINE)
|
|
{
|
|
double p=-2.196152422706632;
|
|
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, d);
|
|
}
|
|
else {
|
|
coeff= 0.0; //GCC warning killer
|
|
assert(0);
|
|
}
|
|
|
|
filter[i*filterSize + j]= coeff;
|
|
xx++;
|
|
}
|
|
xDstInSrc+= xInc1;
|
|
}
|
|
}
|
|
|
|
/* apply src & dst Filter to filter -> filter2
|
|
av_free(filter);
|
|
*/
|
|
assert(filterSize>0);
|
|
filter2Size= filterSize;
|
|
if (srcFilter) filter2Size+= srcFilter->length - 1;
|
|
if (dstFilter) filter2Size+= dstFilter->length - 1;
|
|
assert(filter2Size>0);
|
|
filter2= av_malloc(filter2Size*dstW*sizeof(double));
|
|
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int j;
|
|
SwsVector scaleFilter;
|
|
SwsVector *outVec;
|
|
|
|
scaleFilter.coeff= filter + i*filterSize;
|
|
scaleFilter.length= filterSize;
|
|
|
|
if (srcFilter) outVec= sws_getConvVec(srcFilter, &scaleFilter);
|
|
else outVec= &scaleFilter;
|
|
|
|
assert(outVec->length == filter2Size);
|
|
//FIXME dstFilter
|
|
|
|
for (j=0; j<outVec->length; j++)
|
|
{
|
|
filter2[i*filter2Size + j]= outVec->coeff[j];
|
|
}
|
|
|
|
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2;
|
|
|
|
if (outVec != &scaleFilter) sws_freeVec(outVec);
|
|
}
|
|
av_freep(&filter);
|
|
|
|
/* try to reduce the filter-size (step1 find size and shift left) */
|
|
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
|
|
minFilterSize= 0;
|
|
for (i=dstW-1; i>=0; i--)
|
|
{
|
|
int min= filter2Size;
|
|
int j;
|
|
double cutOff=0.0;
|
|
|
|
/* get rid off near zero elements on the left by shifting left */
|
|
for (j=0; j<filter2Size; j++)
|
|
{
|
|
int k;
|
|
cutOff += FFABS(filter2[i*filter2Size]);
|
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF) break;
|
|
|
|
/* preserve monotonicity because the core can't handle the filter otherwise */
|
|
if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break;
|
|
|
|
// Move filter coeffs left
|
|
for (k=1; k<filter2Size; k++)
|
|
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
|
|
filter2[i*filter2Size + k - 1]= 0.0;
|
|
(*filterPos)[i]++;
|
|
}
|
|
|
|
cutOff=0.0;
|
|
/* count near zeros on the right */
|
|
for (j=filter2Size-1; j>0; j--)
|
|
{
|
|
cutOff += FFABS(filter2[i*filter2Size + j]);
|
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF) break;
|
|
min--;
|
|
}
|
|
|
|
if (min>minFilterSize) minFilterSize= min;
|
|
}
|
|
|
|
if (flags & SWS_CPU_CAPS_ALTIVEC) {
|
|
// we can handle the special case 4,
|
|
// so we don't want to go to the full 8
|
|
if (minFilterSize < 5)
|
|
filterAlign = 4;
|
|
|
|
// we really don't want to waste our time
|
|
// doing useless computation, so fall-back on
|
|
// the scalar C code for very small filter.
|
|
// vectorizing is worth it only if you have
|
|
// decent-sized vector.
|
|
if (minFilterSize < 3)
|
|
filterAlign = 1;
|
|
}
|
|
|
|
if (flags & SWS_CPU_CAPS_MMX) {
|
|
// special case for unscaled vertical filtering
|
|
if (minFilterSize == 1 && filterAlign == 2)
|
|
filterAlign= 1;
|
|
}
|
|
|
|
assert(minFilterSize > 0);
|
|
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1));
|
|
assert(filterSize > 0);
|
|
filter= av_malloc(filterSize*dstW*sizeof(double));
|
|
if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
|
|
goto error;
|
|
*outFilterSize= filterSize;
|
|
|
|
if (flags&SWS_PRINT_INFO)
|
|
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
|
|
/* try to reduce the filter-size (step2 reduce it) */
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int j;
|
|
|
|
for (j=0; j<filterSize; j++)
|
|
{
|
|
if (j>=filter2Size) filter[i*filterSize + j]= 0.0;
|
|
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
|
|
}
|
|
}
|
|
|
|
|
|
//FIXME try to align filterpos if possible
|
|
|
|
//fix borders
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int j;
|
|
if ((*filterPos)[i] < 0)
|
|
{
|
|
// Move filter coeffs left to compensate for filterPos
|
|
for (j=1; j<filterSize; j++)
|
|
{
|
|
int left= FFMAX(j + (*filterPos)[i], 0);
|
|
filter[i*filterSize + left] += filter[i*filterSize + j];
|
|
filter[i*filterSize + j]=0;
|
|
}
|
|
(*filterPos)[i]= 0;
|
|
}
|
|
|
|
if ((*filterPos)[i] + filterSize > srcW)
|
|
{
|
|
int shift= (*filterPos)[i] + filterSize - srcW;
|
|
// Move filter coeffs right to compensate for filterPos
|
|
for (j=filterSize-2; j>=0; j--)
|
|
{
|
|
int right= FFMIN(j + shift, filterSize-1);
|
|
filter[i*filterSize +right] += filter[i*filterSize +j];
|
|
filter[i*filterSize +j]=0;
|
|
}
|
|
(*filterPos)[i]= srcW - filterSize;
|
|
}
|
|
}
|
|
|
|
// Note the +1 is for the MMXscaler which reads over the end
|
|
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
|
|
*outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t));
|
|
|
|
/* Normalize & Store in outFilter */
|
|
for (i=0; i<dstW; i++)
|
|
{
|
|
int j;
|
|
double error=0;
|
|
double sum=0;
|
|
double scale= one;
|
|
|
|
for (j=0; j<filterSize; j++)
|
|
{
|
|
sum+= filter[i*filterSize + j];
|
|
}
|
|
scale/= sum;
|
|
for (j=0; j<*outFilterSize; j++)
|
|
{
|
|
double v= filter[i*filterSize + j]*scale + error;
|
|
int intV= floor(v + 0.5);
|
|
(*outFilter)[i*(*outFilterSize) + j]= intV;
|
|
error = v - intV;
|
|
}
|
|
}
|
|
|
|
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end
|
|
for (i=0; i<*outFilterSize; i++)
|
|
{
|
|
int j= dstW*(*outFilterSize);
|
|
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)];
|
|
}
|
|
|
|
ret=0;
|
|
error:
|
|
av_free(filter);
|
|
av_free(filter2);
|
|
return ret;
|
|
}
|
|
|
|
#ifdef COMPILE_MMX2
|
|
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits)
|
|
{
|
|
uint8_t *fragmentA;
|
|
long imm8OfPShufW1A;
|
|
long imm8OfPShufW2A;
|
|
long fragmentLengthA;
|
|
uint8_t *fragmentB;
|
|
long imm8OfPShufW1B;
|
|
long imm8OfPShufW2B;
|
|
long fragmentLengthB;
|
|
int fragmentPos;
|
|
|
|
int xpos, i;
|
|
|
|
// create an optimized horizontal scaling routine
|
|
|
|
//code fragment
|
|
|
|
asm volatile(
|
|
"jmp 9f \n\t"
|
|
// Begin
|
|
"0: \n\t"
|
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t"
|
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t"
|
|
"movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm1 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
|
|
"1: \n\t"
|
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
|
"2: \n\t"
|
|
"psubw %%mm1, %%mm0 \n\t"
|
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t"
|
|
"pmullw %%mm3, %%mm0 \n\t"
|
|
"psllw $7, %%mm1 \n\t"
|
|
"paddw %%mm1, %%mm0 \n\t"
|
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t"
|
|
|
|
"add $8, %%"REG_a" \n\t"
|
|
// End
|
|
"9: \n\t"
|
|
// "int $3 \n\t"
|
|
"lea " LOCAL_MANGLE(0b) ", %0 \n\t"
|
|
"lea " LOCAL_MANGLE(1b) ", %1 \n\t"
|
|
"lea " LOCAL_MANGLE(2b) ", %2 \n\t"
|
|
"dec %1 \n\t"
|
|
"dec %2 \n\t"
|
|
"sub %0, %1 \n\t"
|
|
"sub %0, %2 \n\t"
|
|
"lea " LOCAL_MANGLE(9b) ", %3 \n\t"
|
|
"sub %0, %3 \n\t"
|
|
|
|
|
|
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A),
|
|
"=r" (fragmentLengthA)
|
|
);
|
|
|
|
asm volatile(
|
|
"jmp 9f \n\t"
|
|
// Begin
|
|
"0: \n\t"
|
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t"
|
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t"
|
|
"punpcklbw %%mm7, %%mm0 \n\t"
|
|
"pshufw $0xFF, %%mm0, %%mm1 \n\t"
|
|
"1: \n\t"
|
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
|
"2: \n\t"
|
|
"psubw %%mm1, %%mm0 \n\t"
|
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t"
|
|
"pmullw %%mm3, %%mm0 \n\t"
|
|
"psllw $7, %%mm1 \n\t"
|
|
"paddw %%mm1, %%mm0 \n\t"
|
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t"
|
|
|
|
"add $8, %%"REG_a" \n\t"
|
|
// End
|
|
"9: \n\t"
|
|
// "int $3 \n\t"
|
|
"lea " LOCAL_MANGLE(0b) ", %0 \n\t"
|
|
"lea " LOCAL_MANGLE(1b) ", %1 \n\t"
|
|
"lea " LOCAL_MANGLE(2b) ", %2 \n\t"
|
|
"dec %1 \n\t"
|
|
"dec %2 \n\t"
|
|
"sub %0, %1 \n\t"
|
|
"sub %0, %2 \n\t"
|
|
"lea " LOCAL_MANGLE(9b) ", %3 \n\t"
|
|
"sub %0, %3 \n\t"
|
|
|
|
|
|
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B),
|
|
"=r" (fragmentLengthB)
|
|
);
|
|
|
|
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
|
|
fragmentPos=0;
|
|
|
|
for (i=0; i<dstW/numSplits; i++)
|
|
{
|
|
int xx=xpos>>16;
|
|
|
|
if ((i&3) == 0)
|
|
{
|
|
int a=0;
|
|
int b=((xpos+xInc)>>16) - xx;
|
|
int c=((xpos+xInc*2)>>16) - xx;
|
|
int d=((xpos+xInc*3)>>16) - xx;
|
|
|
|
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9;
|
|
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9;
|
|
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9;
|
|
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9;
|
|
filterPos[i/2]= xx;
|
|
|
|
if (d+1<4)
|
|
{
|
|
int maxShift= 3-(d+1);
|
|
int shift=0;
|
|
|
|
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB);
|
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1B]=
|
|
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6);
|
|
funnyCode[fragmentPos + imm8OfPShufW2B]=
|
|
a | (b<<2) | (c<<4) | (d<<6);
|
|
|
|
if (i+3>=dstW) shift=maxShift; //avoid overread
|
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align
|
|
|
|
if (shift && i>=shift)
|
|
{
|
|
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift;
|
|
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift;
|
|
filterPos[i/2]-=shift;
|
|
}
|
|
|
|
fragmentPos+= fragmentLengthB;
|
|
}
|
|
else
|
|
{
|
|
int maxShift= 3-d;
|
|
int shift=0;
|
|
|
|
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA);
|
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1A]=
|
|
funnyCode[fragmentPos + imm8OfPShufW2A]=
|
|
a | (b<<2) | (c<<4) | (d<<6);
|
|
|
|
if (i+4>=dstW) shift=maxShift; //avoid overread
|
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align
|
|
|
|
if (shift && i>=shift)
|
|
{
|
|
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift;
|
|
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift;
|
|
filterPos[i/2]-=shift;
|
|
}
|
|
|
|
fragmentPos+= fragmentLengthA;
|
|
}
|
|
|
|
funnyCode[fragmentPos]= RET;
|
|
}
|
|
xpos+=xInc;
|
|
}
|
|
filterPos[i/2]= xpos>>16; // needed to jump to the next part
|
|
}
|
|
#endif /* COMPILE_MMX2 */
|
|
|
|
static void globalInit(void){
|
|
// generating tables:
|
|
int i;
|
|
for (i=0; i<768; i++){
|
|
int c= av_clip_uint8(i-256);
|
|
clip_table[i]=c;
|
|
}
|
|
}
|
|
|
|
static SwsFunc getSwsFunc(int flags){
|
|
|
|
#if defined(RUNTIME_CPUDETECT) && defined (CONFIG_GPL)
|
|
#if defined(ARCH_X86)
|
|
// ordered per speed fastest first
|
|
if (flags & SWS_CPU_CAPS_MMX2)
|
|
return swScale_MMX2;
|
|
else if (flags & SWS_CPU_CAPS_3DNOW)
|
|
return swScale_3DNow;
|
|
else if (flags & SWS_CPU_CAPS_MMX)
|
|
return swScale_MMX;
|
|
else
|
|
return swScale_C;
|
|
|
|
#else
|
|
#ifdef ARCH_POWERPC
|
|
if (flags & SWS_CPU_CAPS_ALTIVEC)
|
|
return swScale_altivec;
|
|
else
|
|
return swScale_C;
|
|
#endif
|
|
return swScale_C;
|
|
#endif /* defined(ARCH_X86) */
|
|
#else //RUNTIME_CPUDETECT
|
|
#ifdef HAVE_MMX2
|
|
return swScale_MMX2;
|
|
#elif defined (HAVE_3DNOW)
|
|
return swScale_3DNow;
|
|
#elif defined (HAVE_MMX)
|
|
return swScale_MMX;
|
|
#elif defined (HAVE_ALTIVEC)
|
|
return swScale_altivec;
|
|
#else
|
|
return swScale_C;
|
|
#endif
|
|
#endif //!RUNTIME_CPUDETECT
|
|
}
|
|
|
|
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
/* Copy Y plane */
|
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
|
|
memcpy(dst, src[0], srcSliceH*dstStride[0]);
|
|
else
|
|
{
|
|
int i;
|
|
uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst;
|
|
for (i=0; i<srcSliceH; i++)
|
|
{
|
|
memcpy(dstPtr, srcPtr, c->srcW);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
dst = dstParam[1] + dstStride[1]*srcSliceY/2;
|
|
if (c->dstFormat == PIX_FMT_NV12)
|
|
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]);
|
|
else
|
|
interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){
|
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
|
|
|
|
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
|
|
|
|
return srcSliceH;
|
|
}
|
|
|
|
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
|
|
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
const int srcFormat= c->srcFormat;
|
|
const int dstFormat= c->dstFormat;
|
|
const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3;
|
|
const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3;
|
|
const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */
|
|
const int dstId= fmt_depth(dstFormat) >> 2;
|
|
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL;
|
|
|
|
/* BGR -> BGR */
|
|
if ( (isBGR(srcFormat) && isBGR(dstFormat))
|
|
|| (isRGB(srcFormat) && isRGB(dstFormat))){
|
|
switch(srcId | (dstId<<4)){
|
|
case 0x34: conv= rgb16to15; break;
|
|
case 0x36: conv= rgb24to15; break;
|
|
case 0x38: conv= rgb32to15; break;
|
|
case 0x43: conv= rgb15to16; break;
|
|
case 0x46: conv= rgb24to16; break;
|
|
case 0x48: conv= rgb32to16; break;
|
|
case 0x63: conv= rgb15to24; break;
|
|
case 0x64: conv= rgb16to24; break;
|
|
case 0x68: conv= rgb32to24; break;
|
|
case 0x83: conv= rgb15to32; break;
|
|
case 0x84: conv= rgb16to32; break;
|
|
case 0x86: conv= rgb24to32; break;
|
|
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
|
}
|
|
}else if ( (isBGR(srcFormat) && isRGB(dstFormat))
|
|
|| (isRGB(srcFormat) && isBGR(dstFormat))){
|
|
switch(srcId | (dstId<<4)){
|
|
case 0x33: conv= rgb15tobgr15; break;
|
|
case 0x34: conv= rgb16tobgr15; break;
|
|
case 0x36: conv= rgb24tobgr15; break;
|
|
case 0x38: conv= rgb32tobgr15; break;
|
|
case 0x43: conv= rgb15tobgr16; break;
|
|
case 0x44: conv= rgb16tobgr16; break;
|
|
case 0x46: conv= rgb24tobgr16; break;
|
|
case 0x48: conv= rgb32tobgr16; break;
|
|
case 0x63: conv= rgb15tobgr24; break;
|
|
case 0x64: conv= rgb16tobgr24; break;
|
|
case 0x66: conv= rgb24tobgr24; break;
|
|
case 0x68: conv= rgb32tobgr24; break;
|
|
case 0x83: conv= rgb15tobgr32; break;
|
|
case 0x84: conv= rgb16tobgr32; break;
|
|
case 0x86: conv= rgb24tobgr32; break;
|
|
case 0x88: conv= rgb32tobgr32; break;
|
|
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
|
}
|
|
}else{
|
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
|
sws_format_name(srcFormat), sws_format_name(dstFormat));
|
|
}
|
|
|
|
if(conv)
|
|
{
|
|
uint8_t *srcPtr= src[0];
|
|
if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
|
|
srcPtr += ALT32_CORR;
|
|
|
|
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0)
|
|
conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
|
|
else
|
|
{
|
|
int i;
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
|
|
|
|
for (i=0; i<srcSliceH; i++)
|
|
{
|
|
conv(srcPtr, dstPtr, c->srcW*srcBpp);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
|
|
rgb24toyv12(
|
|
src[0],
|
|
dst[0]+ srcSliceY *dstStride[0],
|
|
dst[1]+(srcSliceY>>1)*dstStride[1],
|
|
dst[2]+(srcSliceY>>1)*dstStride[2],
|
|
c->srcW, srcSliceH,
|
|
dstStride[0], dstStride[1], srcStride[0]);
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
int i;
|
|
|
|
/* copy Y */
|
|
if (srcStride[0]==dstStride[0] && srcStride[0] > 0)
|
|
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH);
|
|
else{
|
|
uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
|
|
|
|
for (i=0; i<srcSliceH; i++)
|
|
{
|
|
memcpy(dstPtr, srcPtr, c->srcW);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
|
|
if (c->dstFormat==PIX_FMT_YUV420P){
|
|
planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]);
|
|
planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]);
|
|
}else{
|
|
planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]);
|
|
planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]);
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */
|
|
static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
|
|
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]);
|
|
else
|
|
{
|
|
int i;
|
|
uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
|
|
int length=0;
|
|
|
|
/* universal length finder */
|
|
while(length+c->srcW <= FFABS(dstStride[0])
|
|
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
|
|
assert(length!=0);
|
|
|
|
for (i=0; i<srcSliceH; i++)
|
|
{
|
|
memcpy(dstPtr, srcPtr, length);
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[])
|
|
{
|
|
int plane;
|
|
for (plane=0; plane<3; plane++)
|
|
{
|
|
int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
|
|
int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
|
|
int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
|
|
|
|
if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0)
|
|
{
|
|
if (!isGray(c->dstFormat))
|
|
memset(dst[plane], 128, dstStride[plane]*height);
|
|
}
|
|
else
|
|
{
|
|
if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
|
|
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]);
|
|
else
|
|
{
|
|
int i;
|
|
uint8_t *srcPtr= src[plane];
|
|
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
|
|
for (i=0; i<height; i++)
|
|
{
|
|
memcpy(dstPtr, srcPtr, length);
|
|
srcPtr+= srcStride[plane];
|
|
dstPtr+= dstStride[plane];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int gray16togray(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
|
|
int length= c->srcW;
|
|
int y= srcSliceY;
|
|
int height= srcSliceH;
|
|
int i, j;
|
|
uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*y;
|
|
|
|
if (!isGray(c->dstFormat)){
|
|
int height= -((-srcSliceH)>>c->chrDstVSubSample);
|
|
memset(dst[1], 128, dstStride[1]*height);
|
|
memset(dst[2], 128, dstStride[2]*height);
|
|
}
|
|
if (c->srcFormat == PIX_FMT_GRAY16LE) srcPtr++;
|
|
for (i=0; i<height; i++)
|
|
{
|
|
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int graytogray16(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
|
|
int length= c->srcW;
|
|
int y= srcSliceY;
|
|
int height= srcSliceH;
|
|
int i, j;
|
|
uint8_t *srcPtr= src[0];
|
|
uint8_t *dstPtr= dst[0] + dstStride[0]*y;
|
|
for (i=0; i<height; i++)
|
|
{
|
|
for (j=0; j<length; j++)
|
|
{
|
|
dstPtr[j<<1] = srcPtr[j];
|
|
dstPtr[(j<<1)+1] = srcPtr[j];
|
|
}
|
|
srcPtr+= srcStride[0];
|
|
dstPtr+= dstStride[0];
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
static int gray16swap(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
|
|
int length= c->srcW;
|
|
int y= srcSliceY;
|
|
int height= srcSliceH;
|
|
int i, j;
|
|
uint16_t *srcPtr= (uint16_t*)src[0];
|
|
uint16_t *dstPtr= (uint16_t*)(dst[0] + dstStride[0]*y/2);
|
|
for (i=0; i<height; i++)
|
|
{
|
|
for (j=0; j<length; j++) dstPtr[j] = bswap_16(srcPtr[j]);
|
|
srcPtr+= srcStride[0]/2;
|
|
dstPtr+= dstStride[0]/2;
|
|
}
|
|
return srcSliceH;
|
|
}
|
|
|
|
|
|
static void getSubSampleFactors(int *h, int *v, int format){
|
|
switch(format){
|
|
case PIX_FMT_UYVY422:
|
|
case PIX_FMT_YUYV422:
|
|
*h=1;
|
|
*v=0;
|
|
break;
|
|
case PIX_FMT_YUV420P:
|
|
case PIX_FMT_YUVA420P:
|
|
case PIX_FMT_GRAY16BE:
|
|
case PIX_FMT_GRAY16LE:
|
|
case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented
|
|
case PIX_FMT_NV12:
|
|
case PIX_FMT_NV21:
|
|
*h=1;
|
|
*v=1;
|
|
break;
|
|
case PIX_FMT_YUV440P:
|
|
*h=0;
|
|
*v=1;
|
|
break;
|
|
case PIX_FMT_YUV410P:
|
|
*h=2;
|
|
*v=2;
|
|
break;
|
|
case PIX_FMT_YUV444P:
|
|
*h=0;
|
|
*v=0;
|
|
break;
|
|
case PIX_FMT_YUV422P:
|
|
*h=1;
|
|
*v=0;
|
|
break;
|
|
case PIX_FMT_YUV411P:
|
|
*h=2;
|
|
*v=0;
|
|
break;
|
|
default:
|
|
*h=0;
|
|
*v=0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint16_t roundToInt16(int64_t f){
|
|
int r= (f + (1<<15))>>16;
|
|
if (r<-0x7FFF) return 0x8000;
|
|
else if (r> 0x7FFF) return 0x7FFF;
|
|
else return r;
|
|
}
|
|
|
|
/**
|
|
* @param inv_table the yuv2rgb coeffs, normally Inverse_Table_6_9[x]
|
|
* @param fullRange if 1 then the luma range is 0..255 if 0 it is 16..235
|
|
* @return -1 if not supported
|
|
*/
|
|
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){
|
|
int64_t crv = inv_table[0];
|
|
int64_t cbu = inv_table[1];
|
|
int64_t cgu = -inv_table[2];
|
|
int64_t cgv = -inv_table[3];
|
|
int64_t cy = 1<<16;
|
|
int64_t oy = 0;
|
|
|
|
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4);
|
|
memcpy(c->dstColorspaceTable, table, sizeof(int)*4);
|
|
|
|
c->brightness= brightness;
|
|
c->contrast = contrast;
|
|
c->saturation= saturation;
|
|
c->srcRange = srcRange;
|
|
c->dstRange = dstRange;
|
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return 0;
|
|
|
|
c->uOffset= 0x0400040004000400LL;
|
|
c->vOffset= 0x0400040004000400LL;
|
|
|
|
if (!srcRange){
|
|
cy= (cy*255) / 219;
|
|
oy= 16<<16;
|
|
}else{
|
|
crv= (crv*224) / 255;
|
|
cbu= (cbu*224) / 255;
|
|
cgu= (cgu*224) / 255;
|
|
cgv= (cgv*224) / 255;
|
|
}
|
|
|
|
cy = (cy *contrast )>>16;
|
|
crv= (crv*contrast * saturation)>>32;
|
|
cbu= (cbu*contrast * saturation)>>32;
|
|
cgu= (cgu*contrast * saturation)>>32;
|
|
cgv= (cgv*contrast * saturation)>>32;
|
|
|
|
oy -= 256*brightness;
|
|
|
|
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL;
|
|
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL;
|
|
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL;
|
|
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL;
|
|
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL;
|
|
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL;
|
|
|
|
c->cy = (int16_t)roundToInt16(cy <<13);
|
|
c->oy = (int16_t)roundToInt16(oy <<9);
|
|
c->cvr= (int16_t)roundToInt16(crv<<13);
|
|
c->cvg= (int16_t)roundToInt16(cgv<<13);
|
|
c->cug= (int16_t)roundToInt16(cgu<<13);
|
|
c->cub= (int16_t)roundToInt16(cbu<<13);
|
|
|
|
yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation);
|
|
//FIXME factorize
|
|
|
|
#ifdef COMPILE_ALTIVEC
|
|
if (c->flags & SWS_CPU_CAPS_ALTIVEC)
|
|
yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @return -1 if not supported
|
|
*/
|
|
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){
|
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
|
|
|
|
*inv_table = c->srcColorspaceTable;
|
|
*table = c->dstColorspaceTable;
|
|
*srcRange = c->srcRange;
|
|
*dstRange = c->dstRange;
|
|
*brightness= c->brightness;
|
|
*contrast = c->contrast;
|
|
*saturation= c->saturation;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int handle_jpeg(int *format)
|
|
{
|
|
switch (*format) {
|
|
case PIX_FMT_YUVJ420P:
|
|
*format = PIX_FMT_YUV420P;
|
|
return 1;
|
|
case PIX_FMT_YUVJ422P:
|
|
*format = PIX_FMT_YUV422P;
|
|
return 1;
|
|
case PIX_FMT_YUVJ444P:
|
|
*format = PIX_FMT_YUV444P;
|
|
return 1;
|
|
case PIX_FMT_YUVJ440P:
|
|
*format = PIX_FMT_YUV440P;
|
|
return 1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int flags,
|
|
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
|
|
|
|
SwsContext *c;
|
|
int i;
|
|
int usesVFilter, usesHFilter;
|
|
int unscaled, needsDither;
|
|
int srcRange, dstRange;
|
|
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
|
|
#if defined(ARCH_X86)
|
|
if (flags & SWS_CPU_CAPS_MMX)
|
|
asm volatile("emms\n\t"::: "memory");
|
|
#endif
|
|
|
|
#if !defined(RUNTIME_CPUDETECT) || !defined (CONFIG_GPL) //ensure that the flags match the compiled variant if cpudetect is off
|
|
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN);
|
|
#ifdef HAVE_MMX2
|
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2;
|
|
#elif defined (HAVE_3DNOW)
|
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW;
|
|
#elif defined (HAVE_MMX)
|
|
flags |= SWS_CPU_CAPS_MMX;
|
|
#elif defined (HAVE_ALTIVEC)
|
|
flags |= SWS_CPU_CAPS_ALTIVEC;
|
|
#elif defined (ARCH_BFIN)
|
|
flags |= SWS_CPU_CAPS_BFIN;
|
|
#endif
|
|
#endif /* RUNTIME_CPUDETECT */
|
|
if (clip_table[512] != 255) globalInit();
|
|
if (!rgb15to16) sws_rgb2rgb_init(flags);
|
|
|
|
unscaled = (srcW == dstW && srcH == dstH);
|
|
needsDither= (isBGR(dstFormat) || isRGB(dstFormat))
|
|
&& (fmt_depth(dstFormat))<24
|
|
&& ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat))));
|
|
|
|
srcRange = handle_jpeg(&srcFormat);
|
|
dstRange = handle_jpeg(&dstFormat);
|
|
|
|
if (!isSupportedIn(srcFormat))
|
|
{
|
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat));
|
|
return NULL;
|
|
}
|
|
if (!isSupportedOut(dstFormat))
|
|
{
|
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat));
|
|
return NULL;
|
|
}
|
|
|
|
i= flags & ( SWS_POINT
|
|
|SWS_AREA
|
|
|SWS_BILINEAR
|
|
|SWS_FAST_BILINEAR
|
|
|SWS_BICUBIC
|
|
|SWS_X
|
|
|SWS_GAUSS
|
|
|SWS_LANCZOS
|
|
|SWS_SINC
|
|
|SWS_SPLINE
|
|
|SWS_BICUBLIN);
|
|
if(!i || (i & (i-1)))
|
|
{
|
|
av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be choosen\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* sanity check */
|
|
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
|
|
{
|
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
|
|
srcW, srcH, dstW, dstH);
|
|
return NULL;
|
|
}
|
|
if(srcW > VOFW || dstW > VOFW){
|
|
av_log(NULL, AV_LOG_ERROR, "swScaler: Compile time max width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!dstFilter) dstFilter= &dummyFilter;
|
|
if (!srcFilter) srcFilter= &dummyFilter;
|
|
|
|
c= av_mallocz(sizeof(SwsContext));
|
|
|
|
c->av_class = &sws_context_class;
|
|
c->srcW= srcW;
|
|
c->srcH= srcH;
|
|
c->dstW= dstW;
|
|
c->dstH= dstH;
|
|
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW;
|
|
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH;
|
|
c->flags= flags;
|
|
c->dstFormat= dstFormat;
|
|
c->srcFormat= srcFormat;
|
|
c->vRounder= 4* 0x0001000100010001ULL;
|
|
|
|
usesHFilter= usesVFilter= 0;
|
|
if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1;
|
|
if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1;
|
|
if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1;
|
|
if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1;
|
|
if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1;
|
|
if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1;
|
|
if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1;
|
|
if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1;
|
|
|
|
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
|
|
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
|
|
|
|
// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
|
|
if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
|
|
|
|
// drop some chroma lines if the user wants it
|
|
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT;
|
|
c->chrSrcVSubSample+= c->vChrDrop;
|
|
|
|
// drop every 2. pixel for chroma calculation unless user wants full chroma
|
|
if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP)
|
|
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8
|
|
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4
|
|
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE
|
|
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT))))
|
|
c->chrSrcHSubSample=1;
|
|
|
|
if (param){
|
|
c->param[0] = param[0];
|
|
c->param[1] = param[1];
|
|
}else{
|
|
c->param[0] =
|
|
c->param[1] = SWS_PARAM_DEFAULT;
|
|
}
|
|
|
|
c->chrIntHSubSample= c->chrDstHSubSample;
|
|
c->chrIntVSubSample= c->chrSrcVSubSample;
|
|
|
|
// Note the -((-x)>>y) is so that we always round toward +inf.
|
|
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
|
|
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
|
|
c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
|
|
c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
|
|
|
|
sws_setColorspaceDetails(c, Inverse_Table_6_9[SWS_CS_DEFAULT], srcRange, Inverse_Table_6_9[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16);
|
|
|
|
/* unscaled special Cases */
|
|
if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat)))
|
|
{
|
|
/* yv12_to_nv12 */
|
|
if (srcFormat == PIX_FMT_YUV420P && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21))
|
|
{
|
|
c->swScale= PlanarToNV12Wrapper;
|
|
}
|
|
#ifdef CONFIG_GPL
|
|
/* yuv2bgr */
|
|
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P) && (isBGR(dstFormat) || isRGB(dstFormat))
|
|
&& !(flags & SWS_ACCURATE_RND))
|
|
{
|
|
c->swScale= yuv2rgb_get_func_ptr(c);
|
|
}
|
|
#endif
|
|
|
|
if (srcFormat==PIX_FMT_YUV410P && dstFormat==PIX_FMT_YUV420P)
|
|
{
|
|
c->swScale= yvu9toyv12Wrapper;
|
|
}
|
|
|
|
/* bgr24toYV12 */
|
|
if (srcFormat==PIX_FMT_BGR24 && dstFormat==PIX_FMT_YUV420P && !(flags & SWS_ACCURATE_RND))
|
|
c->swScale= bgr24toyv12Wrapper;
|
|
|
|
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
|
|
if ( (isBGR(srcFormat) || isRGB(srcFormat))
|
|
&& (isBGR(dstFormat) || isRGB(dstFormat))
|
|
&& srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8
|
|
&& srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8
|
|
&& srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4
|
|
&& srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4
|
|
&& srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE
|
|
&& srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE
|
|
&& srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK
|
|
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE
|
|
&& dstFormat != PIX_FMT_RGB32_1
|
|
&& dstFormat != PIX_FMT_BGR32_1
|
|
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
|
|
c->swScale= rgb2rgbWrapper;
|
|
|
|
if (srcFormat == PIX_FMT_YUV422P)
|
|
{
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= YUV422PToYuy2Wrapper;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= YUV422PToUyvyWrapper;
|
|
}
|
|
|
|
/* LQ converters if -sws 0 or -sws 4*/
|
|
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
|
|
/* yv12_to_yuy2 */
|
|
if (srcFormat == PIX_FMT_YUV420P)
|
|
{
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= PlanarToYuy2Wrapper;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= PlanarToUyvyWrapper;
|
|
}
|
|
}
|
|
|
|
#ifdef COMPILE_ALTIVEC
|
|
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
|
|
srcFormat == PIX_FMT_YUV420P) {
|
|
// unscaled YV12 -> packed YUV, we want speed
|
|
if (dstFormat == PIX_FMT_YUYV422)
|
|
c->swScale= yv12toyuy2_unscaled_altivec;
|
|
else if (dstFormat == PIX_FMT_UYVY422)
|
|
c->swScale= yv12touyvy_unscaled_altivec;
|
|
}
|
|
#endif
|
|
|
|
/* simple copy */
|
|
if ( srcFormat == dstFormat
|
|
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
|
|
|| (isPlanarYUV(dstFormat) && isGray(srcFormat)))
|
|
{
|
|
if (isPacked(c->srcFormat))
|
|
c->swScale= packedCopy;
|
|
else /* Planar YUV or gray */
|
|
c->swScale= planarCopy;
|
|
}
|
|
|
|
/* gray16{le,be} conversions */
|
|
if (isGray16(srcFormat) && (isPlanarYUV(dstFormat) || (dstFormat == PIX_FMT_GRAY8)))
|
|
{
|
|
c->swScale= gray16togray;
|
|
}
|
|
if ((isPlanarYUV(srcFormat) || (srcFormat == PIX_FMT_GRAY8)) && isGray16(dstFormat))
|
|
{
|
|
c->swScale= graytogray16;
|
|
}
|
|
if (srcFormat != dstFormat && isGray16(srcFormat) && isGray16(dstFormat))
|
|
{
|
|
c->swScale= gray16swap;
|
|
}
|
|
|
|
#ifdef ARCH_BFIN
|
|
if (flags & SWS_CPU_CAPS_BFIN)
|
|
ff_bfin_get_unscaled_swscale (c);
|
|
#endif
|
|
|
|
if (c->swScale){
|
|
if (flags&SWS_PRINT_INFO)
|
|
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
|
|
sws_format_name(srcFormat), sws_format_name(dstFormat));
|
|
return c;
|
|
}
|
|
}
|
|
|
|
if (flags & SWS_CPU_CAPS_MMX2)
|
|
{
|
|
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
|
|
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR))
|
|
{
|
|
if (flags&SWS_PRINT_INFO)
|
|
av_log(c, AV_LOG_INFO, "output Width is not a multiple of 32 -> no MMX2 scaler\n");
|
|
}
|
|
if (usesHFilter) c->canMMX2BeUsed=0;
|
|
}
|
|
else
|
|
c->canMMX2BeUsed=0;
|
|
|
|
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
|
|
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
|
|
|
|
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
|
|
// but only for the FAST_BILINEAR mode otherwise do correct scaling
|
|
// n-2 is the last chrominance sample available
|
|
// this is not perfect, but no one should notice the difference, the more correct variant
|
|
// would be like the vertical one, but that would require some special code for the
|
|
// first and last pixel
|
|
if (flags&SWS_FAST_BILINEAR)
|
|
{
|
|
if (c->canMMX2BeUsed)
|
|
{
|
|
c->lumXInc+= 20;
|
|
c->chrXInc+= 20;
|
|
}
|
|
//we don't use the x86asm scaler if mmx is available
|
|
else if (flags & SWS_CPU_CAPS_MMX)
|
|
{
|
|
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
|
|
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
|
|
}
|
|
}
|
|
|
|
/* precalculate horizontal scaler filter coefficients */
|
|
{
|
|
const int filterAlign=
|
|
(flags & SWS_CPU_CAPS_MMX) ? 4 :
|
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
|
1;
|
|
|
|
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
|
|
srcW , dstW, filterAlign, 1<<14,
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
|
|
srcFilter->lumH, dstFilter->lumH, c->param);
|
|
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
|
|
c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
|
|
srcFilter->chrH, dstFilter->chrH, c->param);
|
|
|
|
#define MAX_FUNNY_CODE_SIZE 10000
|
|
#if defined(COMPILE_MMX2)
|
|
// can't downscale !!!
|
|
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
|
|
{
|
|
#ifdef MAP_ANONYMOUS
|
|
c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
|
|
c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
|
|
#else
|
|
c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE);
|
|
c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE);
|
|
#endif
|
|
|
|
c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t));
|
|
c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t));
|
|
c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t));
|
|
c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t));
|
|
|
|
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
|
|
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
|
|
}
|
|
#endif /* defined(COMPILE_MMX2) */
|
|
} // Init Horizontal stuff
|
|
|
|
|
|
|
|
/* precalculate vertical scaler filter coefficients */
|
|
{
|
|
const int filterAlign=
|
|
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
|
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
|
1;
|
|
|
|
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
|
|
srcH , dstH, filterAlign, (1<<12),
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
|
|
srcFilter->lumV, dstFilter->lumV, c->param);
|
|
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
|
|
c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
|
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
|
|
srcFilter->chrV, dstFilter->chrV, c->param);
|
|
|
|
#ifdef HAVE_ALTIVEC
|
|
c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH);
|
|
c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH);
|
|
|
|
for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
|
|
int j;
|
|
short *p = (short *)&c->vYCoeffsBank[i];
|
|
for (j=0;j<8;j++)
|
|
p[j] = c->vLumFilter[i];
|
|
}
|
|
|
|
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) {
|
|
int j;
|
|
short *p = (short *)&c->vCCoeffsBank[i];
|
|
for (j=0;j<8;j++)
|
|
p[j] = c->vChrFilter[i];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// Calculate Buffer Sizes so that they won't run out while handling these damn slices
|
|
c->vLumBufSize= c->vLumFilterSize;
|
|
c->vChrBufSize= c->vChrFilterSize;
|
|
for (i=0; i<dstH; i++)
|
|
{
|
|
int chrI= i*c->chrDstH / dstH;
|
|
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
|
|
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
|
|
|
|
nextSlice>>= c->chrSrcVSubSample;
|
|
nextSlice<<= c->chrSrcVSubSample;
|
|
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
|
|
c->vLumBufSize= nextSlice - c->vLumFilterPos[i];
|
|
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
|
|
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
|
|
}
|
|
|
|
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
|
|
c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*));
|
|
c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*));
|
|
//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)
|
|
/* align at 16 bytes for AltiVec */
|
|
for (i=0; i<c->vLumBufSize; i++)
|
|
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1);
|
|
for (i=0; i<c->vChrBufSize; i++)
|
|
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc((VOF+1)*2);
|
|
|
|
//try to avoid drawing green stuff between the right end and the stride end
|
|
for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2);
|
|
|
|
assert(2*VOFW == VOF);
|
|
|
|
assert(c->chrDstH <= dstH);
|
|
|
|
if (flags&SWS_PRINT_INFO)
|
|
{
|
|
#ifdef DITHER1XBPP
|
|
const char *dither= " dithered";
|
|
#else
|
|
const char *dither= "";
|
|
#endif
|
|
if (flags&SWS_FAST_BILINEAR)
|
|
av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
|
|
else if (flags&SWS_BILINEAR)
|
|
av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
|
|
else if (flags&SWS_BICUBIC)
|
|
av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
|
|
else if (flags&SWS_X)
|
|
av_log(c, AV_LOG_INFO, "Experimental scaler, ");
|
|
else if (flags&SWS_POINT)
|
|
av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
|
|
else if (flags&SWS_AREA)
|
|
av_log(c, AV_LOG_INFO, "Area Averageing scaler, ");
|
|
else if (flags&SWS_BICUBLIN)
|
|
av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
|
|
else if (flags&SWS_GAUSS)
|
|
av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
|
|
else if (flags&SWS_SINC)
|
|
av_log(c, AV_LOG_INFO, "Sinc scaler, ");
|
|
else if (flags&SWS_LANCZOS)
|
|
av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
|
|
else if (flags&SWS_SPLINE)
|
|
av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
|
|
else
|
|
av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
|
|
|
|
if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565)
|
|
av_log(c, AV_LOG_INFO, "from %s to%s %s ",
|
|
sws_format_name(srcFormat), dither, sws_format_name(dstFormat));
|
|
else
|
|
av_log(c, AV_LOG_INFO, "from %s to %s ",
|
|
sws_format_name(srcFormat), sws_format_name(dstFormat));
|
|
|
|
if (flags & SWS_CPU_CAPS_MMX2)
|
|
av_log(c, AV_LOG_INFO, "using MMX2\n");
|
|
else if (flags & SWS_CPU_CAPS_3DNOW)
|
|
av_log(c, AV_LOG_INFO, "using 3DNOW\n");
|
|
else if (flags & SWS_CPU_CAPS_MMX)
|
|
av_log(c, AV_LOG_INFO, "using MMX\n");
|
|
else if (flags & SWS_CPU_CAPS_ALTIVEC)
|
|
av_log(c, AV_LOG_INFO, "using AltiVec\n");
|
|
else
|
|
av_log(c, AV_LOG_INFO, "using C\n");
|
|
}
|
|
|
|
if (flags & SWS_PRINT_INFO)
|
|
{
|
|
if (flags & SWS_CPU_CAPS_MMX)
|
|
{
|
|
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
|
|
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
|
|
else
|
|
{
|
|
if (c->hLumFilterSize==4)
|
|
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n");
|
|
else if (c->hLumFilterSize==8)
|
|
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n");
|
|
else
|
|
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n");
|
|
|
|
if (c->hChrFilterSize==4)
|
|
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n");
|
|
else if (c->hChrFilterSize==8)
|
|
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n");
|
|
else
|
|
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#if defined(ARCH_X86)
|
|
av_log(c, AV_LOG_VERBOSE, "using X86-Asm scaler for horizontal scaling\n");
|
|
#else
|
|
if (flags & SWS_FAST_BILINEAR)
|
|
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n");
|
|
else
|
|
av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n");
|
|
#endif
|
|
}
|
|
if (isPlanarYUV(dstFormat))
|
|
{
|
|
if (c->vLumFilterSize==1)
|
|
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
else
|
|
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
}
|
|
else
|
|
{
|
|
if (c->vLumFilterSize==1 && c->vChrFilterSize==2)
|
|
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
|
|
" 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
else if (c->vLumFilterSize==2 && c->vChrFilterSize==2)
|
|
av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
else
|
|
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
}
|
|
|
|
if (dstFormat==PIX_FMT_BGR24)
|
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 Converter\n",
|
|
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"));
|
|
else if (dstFormat==PIX_FMT_RGB32)
|
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
else if (dstFormat==PIX_FMT_BGR565)
|
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
else if (dstFormat==PIX_FMT_BGR555)
|
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
|
|
|
|
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
|
}
|
|
if (flags & SWS_PRINT_INFO)
|
|
{
|
|
av_log(c, AV_LOG_DEBUG, "Lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
|
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
|
|
av_log(c, AV_LOG_DEBUG, "Chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
|
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc);
|
|
}
|
|
|
|
c->swScale= getSwsFunc(flags);
|
|
return c;
|
|
}
|
|
|
|
/**
|
|
* swscale wrapper, so we don't need to export the SwsContext.
|
|
* assumes planar YUV to be in YUV order instead of YVU
|
|
*/
|
|
int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
int i;
|
|
uint8_t* src2[4]= {src[0], src[1], src[2]};
|
|
uint32_t pal[256];
|
|
int use_pal= c->srcFormat == PIX_FMT_PAL8
|
|
|| c->srcFormat == PIX_FMT_BGR4_BYTE
|
|
|| c->srcFormat == PIX_FMT_RGB4_BYTE
|
|
|| c->srcFormat == PIX_FMT_BGR8
|
|
|| c->srcFormat == PIX_FMT_RGB8;
|
|
|
|
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
|
|
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
|
|
return 0;
|
|
}
|
|
if (c->sliceDir == 0) {
|
|
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
|
|
}
|
|
|
|
if (use_pal){
|
|
for (i=0; i<256; i++){
|
|
int p, r, g, b,y,u,v;
|
|
if(c->srcFormat == PIX_FMT_PAL8){
|
|
p=((uint32_t*)(src[1]))[i];
|
|
r= (p>>16)&0xFF;
|
|
g= (p>> 8)&0xFF;
|
|
b= p &0xFF;
|
|
}else if(c->srcFormat == PIX_FMT_RGB8){
|
|
r= (i>>5 )*36;
|
|
g= ((i>>2)&7)*36;
|
|
b= (i&3 )*85;
|
|
}else if(c->srcFormat == PIX_FMT_BGR8){
|
|
b= (i>>6 )*85;
|
|
g= ((i>>3)&7)*36;
|
|
r= (i&7 )*36;
|
|
}else if(c->srcFormat == PIX_FMT_RGB4_BYTE){
|
|
r= (i>>3 )*255;
|
|
g= ((i>>1)&3)*85;
|
|
b= (i&1 )*255;
|
|
}else if(c->srcFormat == PIX_FMT_BGR4_BYTE){
|
|
b= (i>>3 )*255;
|
|
g= ((i>>1)&3)*85;
|
|
r= (i&1 )*255;
|
|
}
|
|
y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
|
|
pal[i]= y + (u<<8) + (v<<16);
|
|
}
|
|
src2[1]= (uint8_t*)pal;
|
|
}
|
|
|
|
// copy strides, so they can safely be modified
|
|
if (c->sliceDir == 1) {
|
|
// slices go from top to bottom
|
|
int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2]};
|
|
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2]};
|
|
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst, dstStride2);
|
|
} else {
|
|
// slices go from bottom to top => we flip the image internally
|
|
uint8_t* dst2[4]= {dst[0] + (c->dstH-1)*dstStride[0],
|
|
dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1],
|
|
dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]};
|
|
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2]};
|
|
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2]};
|
|
|
|
src2[0] += (srcSliceH-1)*srcStride[0];
|
|
if (!use_pal)
|
|
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1];
|
|
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2];
|
|
|
|
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* swscale wrapper, so we don't need to export the SwsContext
|
|
*/
|
|
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
|
|
int srcSliceH, uint8_t* dst[], int dstStride[]){
|
|
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
|
|
}
|
|
|
|
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
|
|
float lumaSharpen, float chromaSharpen,
|
|
float chromaHShift, float chromaVShift,
|
|
int verbose)
|
|
{
|
|
SwsFilter *filter= av_malloc(sizeof(SwsFilter));
|
|
|
|
if (lumaGBlur!=0.0){
|
|
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0);
|
|
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0);
|
|
}else{
|
|
filter->lumH= sws_getIdentityVec();
|
|
filter->lumV= sws_getIdentityVec();
|
|
}
|
|
|
|
if (chromaGBlur!=0.0){
|
|
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0);
|
|
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0);
|
|
}else{
|
|
filter->chrH= sws_getIdentityVec();
|
|
filter->chrV= sws_getIdentityVec();
|
|
}
|
|
|
|
if (chromaSharpen!=0.0){
|
|
SwsVector *id= sws_getIdentityVec();
|
|
sws_scaleVec(filter->chrH, -chromaSharpen);
|
|
sws_scaleVec(filter->chrV, -chromaSharpen);
|
|
sws_addVec(filter->chrH, id);
|
|
sws_addVec(filter->chrV, id);
|
|
sws_freeVec(id);
|
|
}
|
|
|
|
if (lumaSharpen!=0.0){
|
|
SwsVector *id= sws_getIdentityVec();
|
|
sws_scaleVec(filter->lumH, -lumaSharpen);
|
|
sws_scaleVec(filter->lumV, -lumaSharpen);
|
|
sws_addVec(filter->lumH, id);
|
|
sws_addVec(filter->lumV, id);
|
|
sws_freeVec(id);
|
|
}
|
|
|
|
if (chromaHShift != 0.0)
|
|
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5));
|
|
|
|
if (chromaVShift != 0.0)
|
|
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5));
|
|
|
|
sws_normalizeVec(filter->chrH, 1.0);
|
|
sws_normalizeVec(filter->chrV, 1.0);
|
|
sws_normalizeVec(filter->lumH, 1.0);
|
|
sws_normalizeVec(filter->lumV, 1.0);
|
|
|
|
if (verbose) sws_printVec(filter->chrH);
|
|
if (verbose) sws_printVec(filter->lumH);
|
|
|
|
return filter;
|
|
}
|
|
|
|
/**
|
|
* returns a normalized gaussian curve used to filter stuff
|
|
* quality=3 is high quality, lowwer is lowwer quality
|
|
*/
|
|
SwsVector *sws_getGaussianVec(double variance, double quality){
|
|
const int length= (int)(variance*quality + 0.5) | 1;
|
|
int i;
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
double middle= (length-1)*0.5;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++)
|
|
{
|
|
double dist= i-middle;
|
|
coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI);
|
|
}
|
|
|
|
sws_normalizeVec(vec, 1.0);
|
|
|
|
return vec;
|
|
}
|
|
|
|
SwsVector *sws_getConstVec(double c, int length){
|
|
int i;
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++)
|
|
coeff[i]= c;
|
|
|
|
return vec;
|
|
}
|
|
|
|
|
|
SwsVector *sws_getIdentityVec(void){
|
|
return sws_getConstVec(1.0, 1);
|
|
}
|
|
|
|
double sws_dcVec(SwsVector *a){
|
|
int i;
|
|
double sum=0;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
sum+= a->coeff[i];
|
|
|
|
return sum;
|
|
}
|
|
|
|
void sws_scaleVec(SwsVector *a, double scalar){
|
|
int i;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
a->coeff[i]*= scalar;
|
|
}
|
|
|
|
void sws_normalizeVec(SwsVector *a, double height){
|
|
sws_scaleVec(a, height/sws_dcVec(a));
|
|
}
|
|
|
|
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){
|
|
int length= a->length + b->length - 1;
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
int i, j;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
{
|
|
for (j=0; j<b->length; j++)
|
|
{
|
|
coeff[i+j]+= a->coeff[i]*b->coeff[j];
|
|
}
|
|
}
|
|
|
|
return vec;
|
|
}
|
|
|
|
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){
|
|
int length= FFMAX(a->length, b->length);
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0;
|
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
|
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];
|
|
|
|
return vec;
|
|
}
|
|
|
|
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
|
|
int length= FFMAX(a->length, b->length);
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0;
|
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
|
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
|
|
|
|
return vec;
|
|
}
|
|
|
|
/* shift left / or right if "shift" is negative */
|
|
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){
|
|
int length= a->length + FFABS(shift)*2;
|
|
double *coeff= av_malloc(length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= length;
|
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
{
|
|
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i];
|
|
}
|
|
|
|
return vec;
|
|
}
|
|
|
|
void sws_shiftVec(SwsVector *a, int shift){
|
|
SwsVector *shifted= sws_getShiftedVec(a, shift);
|
|
av_free(a->coeff);
|
|
a->coeff= shifted->coeff;
|
|
a->length= shifted->length;
|
|
av_free(shifted);
|
|
}
|
|
|
|
void sws_addVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *sum= sws_sumVec(a, b);
|
|
av_free(a->coeff);
|
|
a->coeff= sum->coeff;
|
|
a->length= sum->length;
|
|
av_free(sum);
|
|
}
|
|
|
|
void sws_subVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *diff= sws_diffVec(a, b);
|
|
av_free(a->coeff);
|
|
a->coeff= diff->coeff;
|
|
a->length= diff->length;
|
|
av_free(diff);
|
|
}
|
|
|
|
void sws_convVec(SwsVector *a, SwsVector *b){
|
|
SwsVector *conv= sws_getConvVec(a, b);
|
|
av_free(a->coeff);
|
|
a->coeff= conv->coeff;
|
|
a->length= conv->length;
|
|
av_free(conv);
|
|
}
|
|
|
|
SwsVector *sws_cloneVec(SwsVector *a){
|
|
double *coeff= av_malloc(a->length*sizeof(double));
|
|
int i;
|
|
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
|
|
|
vec->coeff= coeff;
|
|
vec->length= a->length;
|
|
|
|
for (i=0; i<a->length; i++) coeff[i]= a->coeff[i];
|
|
|
|
return vec;
|
|
}
|
|
|
|
void sws_printVec(SwsVector *a){
|
|
int i;
|
|
double max=0;
|
|
double min=0;
|
|
double range;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
if (a->coeff[i]>max) max= a->coeff[i];
|
|
|
|
for (i=0; i<a->length; i++)
|
|
if (a->coeff[i]<min) min= a->coeff[i];
|
|
|
|
range= max - min;
|
|
|
|
for (i=0; i<a->length; i++)
|
|
{
|
|
int x= (int)((a->coeff[i]-min)*60.0/range +0.5);
|
|
av_log(NULL, AV_LOG_DEBUG, "%1.3f ", a->coeff[i]);
|
|
for (;x>0; x--) av_log(NULL, AV_LOG_DEBUG, " ");
|
|
av_log(NULL, AV_LOG_DEBUG, "|\n");
|
|
}
|
|
}
|
|
|
|
void sws_freeVec(SwsVector *a){
|
|
if (!a) return;
|
|
av_freep(&a->coeff);
|
|
a->length=0;
|
|
av_free(a);
|
|
}
|
|
|
|
void sws_freeFilter(SwsFilter *filter){
|
|
if (!filter) return;
|
|
|
|
if (filter->lumH) sws_freeVec(filter->lumH);
|
|
if (filter->lumV) sws_freeVec(filter->lumV);
|
|
if (filter->chrH) sws_freeVec(filter->chrH);
|
|
if (filter->chrV) sws_freeVec(filter->chrV);
|
|
av_free(filter);
|
|
}
|
|
|
|
|
|
void sws_freeContext(SwsContext *c){
|
|
int i;
|
|
if (!c) return;
|
|
|
|
if (c->lumPixBuf)
|
|
{
|
|
for (i=0; i<c->vLumBufSize; i++)
|
|
av_freep(&c->lumPixBuf[i]);
|
|
av_freep(&c->lumPixBuf);
|
|
}
|
|
|
|
if (c->chrPixBuf)
|
|
{
|
|
for (i=0; i<c->vChrBufSize; i++)
|
|
av_freep(&c->chrPixBuf[i]);
|
|
av_freep(&c->chrPixBuf);
|
|
}
|
|
|
|
av_freep(&c->vLumFilter);
|
|
av_freep(&c->vChrFilter);
|
|
av_freep(&c->hLumFilter);
|
|
av_freep(&c->hChrFilter);
|
|
#ifdef HAVE_ALTIVEC
|
|
av_freep(&c->vYCoeffsBank);
|
|
av_freep(&c->vCCoeffsBank);
|
|
#endif
|
|
|
|
av_freep(&c->vLumFilterPos);
|
|
av_freep(&c->vChrFilterPos);
|
|
av_freep(&c->hLumFilterPos);
|
|
av_freep(&c->hChrFilterPos);
|
|
|
|
#if defined(ARCH_X86) && defined(CONFIG_GPL)
|
|
#ifdef MAP_ANONYMOUS
|
|
if (c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE);
|
|
if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE);
|
|
#else
|
|
av_free(c->funnyYCode);
|
|
av_free(c->funnyUVCode);
|
|
#endif
|
|
c->funnyYCode=NULL;
|
|
c->funnyUVCode=NULL;
|
|
#endif /* defined(ARCH_X86) */
|
|
|
|
av_freep(&c->lumMmx2Filter);
|
|
av_freep(&c->chrMmx2Filter);
|
|
av_freep(&c->lumMmx2FilterPos);
|
|
av_freep(&c->chrMmx2FilterPos);
|
|
av_freep(&c->yuvTable);
|
|
|
|
av_free(c);
|
|
}
|
|
|
|
/**
|
|
* Checks if context is valid or reallocs a new one instead.
|
|
* If context is NULL, just calls sws_getContext() to get a new one.
|
|
* Otherwise, checks if the parameters are the same already saved in context.
|
|
* If that is the case, returns the current context.
|
|
* Otherwise, frees context and gets a new one.
|
|
*
|
|
* Be warned that srcFilter, dstFilter are not checked, they are
|
|
* asumed to remain valid.
|
|
*/
|
|
struct SwsContext *sws_getCachedContext(struct SwsContext *context,
|
|
int srcW, int srcH, int srcFormat,
|
|
int dstW, int dstH, int dstFormat, int flags,
|
|
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)
|
|
{
|
|
static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT};
|
|
|
|
if (!param)
|
|
param = default_param;
|
|
|
|
if (context) {
|
|
if (context->srcW != srcW || context->srcH != srcH ||
|
|
context->srcFormat != srcFormat ||
|
|
context->dstW != dstW || context->dstH != dstH ||
|
|
context->dstFormat != dstFormat || context->flags != flags ||
|
|
context->param[0] != param[0] || context->param[1] != param[1])
|
|
{
|
|
sws_freeContext(context);
|
|
context = NULL;
|
|
}
|
|
}
|
|
if (!context) {
|
|
return sws_getContext(srcW, srcH, srcFormat,
|
|
dstW, dstH, dstFormat, flags,
|
|
srcFilter, dstFilter, param);
|
|
}
|
|
return context;
|
|
}
|
|
|