ffmpeg / libswscale / swscale.c @ cb82a073
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/*
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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 usePal(x) ( \
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(x)==PIX_FMT_PAL8 \ |
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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_BGR8 \ |
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|| (x)==PIX_FMT_RGB8 \ |
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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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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_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL; |
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL; |
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DECLARE_ASM_CONST(8, 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_ASM_CONST(8, 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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static const uint8_t __attribute__((aligned(8))) dither_2x2_4[2][8]={ |
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{ 1, 3, 1, 3, 1, 3, 1, 3, },
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{ 2, 0, 2, 0, 2, 0, 2, 0, },
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}; |
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static const uint8_t __attribute__((aligned(8))) dither_2x2_8[2][8]={ |
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{ 6, 2, 6, 2, 6, 2, 6, 2, },
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{ 0, 4, 0, 4, 0, 4, 0, 4, },
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}; |
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const uint8_t __attribute__((aligned(8))) dither_8x8_32[8][8]={ |
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{ 17, 9, 23, 15, 16, 8, 22, 14, },
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{ 5, 29, 3, 27, 4, 28, 2, 26, },
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{ 21, 13, 19, 11, 20, 12, 18, 10, },
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{ 0, 24, 6, 30, 1, 25, 7, 31, },
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{ 16, 8, 22, 14, 17, 9, 23, 15, },
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{ 4, 28, 2, 26, 5, 29, 3, 27, },
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{ 20, 12, 18, 10, 21, 13, 19, 11, },
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{ 1, 25, 7, 31, 0, 24, 6, 30, },
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}; |
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#if 0
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const uint8_t __attribute__((aligned(8))) dither_8x8_64[8][8]={
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{ 0, 48, 12, 60, 3, 51, 15, 63, },
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{ 32, 16, 44, 28, 35, 19, 47, 31, },
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{ 8, 56, 4, 52, 11, 59, 7, 55, },
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{ 40, 24, 36, 20, 43, 27, 39, 23, },
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{ 2, 50, 14, 62, 1, 49, 13, 61, },
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{ 34, 18, 46, 30, 33, 17, 45, 29, },
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{ 10, 58, 6, 54, 9, 57, 5, 53, },
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{ 42, 26, 38, 22, 41, 25, 37, 21, },
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};
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#endif
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const uint8_t __attribute__((aligned(8))) dither_8x8_73[8][8]={ |
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{ 0, 55, 14, 68, 3, 58, 17, 72, },
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{ 37, 18, 50, 32, 40, 22, 54, 35, },
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{ 9, 64, 5, 59, 13, 67, 8, 63, },
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{ 46, 27, 41, 23, 49, 31, 44, 26, },
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{ 2, 57, 16, 71, 1, 56, 15, 70, },
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{ 39, 21, 52, 34, 38, 19, 51, 33, },
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{ 11, 66, 7, 62, 10, 65, 6, 60, },
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{ 48, 30, 43, 25, 47, 29, 42, 24, },
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}; |
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#if 0
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const uint8_t __attribute__((aligned(8))) dither_8x8_128[8][8]={
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{ 68, 36, 92, 60, 66, 34, 90, 58, },
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{ 20, 116, 12, 108, 18, 114, 10, 106, },
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{ 84, 52, 76, 44, 82, 50, 74, 42, },
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{ 0, 96, 24, 120, 6, 102, 30, 126, },
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{ 64, 32, 88, 56, 70, 38, 94, 62, },
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{ 16, 112, 8, 104, 22, 118, 14, 110, },
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{ 80, 48, 72, 40, 86, 54, 78, 46, },
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{ 4, 100, 28, 124, 2, 98, 26, 122, },
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};
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#endif
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|
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#if 1 |
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const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={ |
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{117, 62, 158, 103, 113, 58, 155, 100, },
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{ 34, 199, 21, 186, 31, 196, 17, 182, },
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{144, 89, 131, 76, 141, 86, 127, 72, },
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{ 0, 165, 41, 206, 10, 175, 52, 217, },
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{110, 55, 151, 96, 120, 65, 162, 107, },
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{ 28, 193, 14, 179, 38, 203, 24, 189, },
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{138, 83, 124, 69, 148, 93, 134, 79, },
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{ 7, 172, 48, 213, 3, 168, 45, 210, },
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}; |
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#elif 1 |
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// tries to correct a gamma of 1.5
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const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={ |
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{ 0, 143, 18, 200, 2, 156, 25, 215, },
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{ 78, 28, 125, 64, 89, 36, 138, 74, },
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{ 10, 180, 3, 161, 16, 195, 8, 175, },
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{109, 51, 93, 38, 121, 60, 105, 47, },
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{ 1, 152, 23, 210, 0, 147, 20, 205, },
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{ 85, 33, 134, 71, 81, 30, 130, 67, },
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{ 14, 190, 6, 171, 12, 185, 5, 166, },
|
| 346 |
{117, 57, 101, 44, 113, 54, 97, 41, },
|
| 347 |
}; |
| 348 |
#elif 1 |
| 349 |
// tries to correct a gamma of 2.0
|
| 350 |
const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={ |
| 351 |
{ 0, 124, 8, 193, 0, 140, 12, 213, },
|
| 352 |
{ 55, 14, 104, 42, 66, 19, 119, 52, },
|
| 353 |
{ 3, 168, 1, 145, 6, 187, 3, 162, },
|
| 354 |
{ 86, 31, 70, 21, 99, 39, 82, 28, },
|
| 355 |
{ 0, 134, 11, 206, 0, 129, 9, 200, },
|
| 356 |
{ 62, 17, 114, 48, 58, 16, 109, 45, },
|
| 357 |
{ 5, 181, 2, 157, 4, 175, 1, 151, },
|
| 358 |
{ 95, 36, 78, 26, 90, 34, 74, 24, },
|
| 359 |
}; |
| 360 |
#else
|
| 361 |
// tries to correct a gamma of 2.5
|
| 362 |
const uint8_t __attribute__((aligned(8))) dither_8x8_220[8][8]={ |
| 363 |
{ 0, 107, 3, 187, 0, 125, 6, 212, },
|
| 364 |
{ 39, 7, 86, 28, 49, 11, 102, 36, },
|
| 365 |
{ 1, 158, 0, 131, 3, 180, 1, 151, },
|
| 366 |
{ 68, 19, 52, 12, 81, 25, 64, 17, },
|
| 367 |
{ 0, 119, 5, 203, 0, 113, 4, 195, },
|
| 368 |
{ 45, 9, 96, 33, 42, 8, 91, 30, },
|
| 369 |
{ 2, 172, 1, 144, 2, 165, 0, 137, },
|
| 370 |
{ 77, 23, 60, 15, 72, 21, 56, 14, },
|
| 371 |
}; |
| 372 |
#endif
|
| 373 |
|
| 374 |
const char *sws_format_name(enum PixelFormat format) |
| 375 |
{
|
| 376 |
switch (format) {
|
| 377 |
case PIX_FMT_YUV420P:
|
| 378 |
return "yuv420p"; |
| 379 |
case PIX_FMT_YUVA420P:
|
| 380 |
return "yuva420p"; |
| 381 |
case PIX_FMT_YUYV422:
|
| 382 |
return "yuyv422"; |
| 383 |
case PIX_FMT_RGB24:
|
| 384 |
return "rgb24"; |
| 385 |
case PIX_FMT_BGR24:
|
| 386 |
return "bgr24"; |
| 387 |
case PIX_FMT_YUV422P:
|
| 388 |
return "yuv422p"; |
| 389 |
case PIX_FMT_YUV444P:
|
| 390 |
return "yuv444p"; |
| 391 |
case PIX_FMT_RGB32:
|
| 392 |
return "rgb32"; |
| 393 |
case PIX_FMT_YUV410P:
|
| 394 |
return "yuv410p"; |
| 395 |
case PIX_FMT_YUV411P:
|
| 396 |
return "yuv411p"; |
| 397 |
case PIX_FMT_RGB565:
|
| 398 |
return "rgb565"; |
| 399 |
case PIX_FMT_RGB555:
|
| 400 |
return "rgb555"; |
| 401 |
case PIX_FMT_GRAY16BE:
|
| 402 |
return "gray16be"; |
| 403 |
case PIX_FMT_GRAY16LE:
|
| 404 |
return "gray16le"; |
| 405 |
case PIX_FMT_GRAY8:
|
| 406 |
return "gray8"; |
| 407 |
case PIX_FMT_MONOWHITE:
|
| 408 |
return "mono white"; |
| 409 |
case PIX_FMT_MONOBLACK:
|
| 410 |
return "mono black"; |
| 411 |
case PIX_FMT_PAL8:
|
| 412 |
return "Palette"; |
| 413 |
case PIX_FMT_YUVJ420P:
|
| 414 |
return "yuvj420p"; |
| 415 |
case PIX_FMT_YUVJ422P:
|
| 416 |
return "yuvj422p"; |
| 417 |
case PIX_FMT_YUVJ444P:
|
| 418 |
return "yuvj444p"; |
| 419 |
case PIX_FMT_XVMC_MPEG2_MC:
|
| 420 |
return "xvmc_mpeg2_mc"; |
| 421 |
case PIX_FMT_XVMC_MPEG2_IDCT:
|
| 422 |
return "xvmc_mpeg2_idct"; |
| 423 |
case PIX_FMT_UYVY422:
|
| 424 |
return "uyvy422"; |
| 425 |
case PIX_FMT_UYYVYY411:
|
| 426 |
return "uyyvyy411"; |
| 427 |
case PIX_FMT_RGB32_1:
|
| 428 |
return "rgb32x"; |
| 429 |
case PIX_FMT_BGR32_1:
|
| 430 |
return "bgr32x"; |
| 431 |
case PIX_FMT_BGR32:
|
| 432 |
return "bgr32"; |
| 433 |
case PIX_FMT_BGR565:
|
| 434 |
return "bgr565"; |
| 435 |
case PIX_FMT_BGR555:
|
| 436 |
return "bgr555"; |
| 437 |
case PIX_FMT_BGR8:
|
| 438 |
return "bgr8"; |
| 439 |
case PIX_FMT_BGR4:
|
| 440 |
return "bgr4"; |
| 441 |
case PIX_FMT_BGR4_BYTE:
|
| 442 |
return "bgr4 byte"; |
| 443 |
case PIX_FMT_RGB8:
|
| 444 |
return "rgb8"; |
| 445 |
case PIX_FMT_RGB4:
|
| 446 |
return "rgb4"; |
| 447 |
case PIX_FMT_RGB4_BYTE:
|
| 448 |
return "rgb4 byte"; |
| 449 |
case PIX_FMT_NV12:
|
| 450 |
return "nv12"; |
| 451 |
case PIX_FMT_NV21:
|
| 452 |
return "nv21"; |
| 453 |
case PIX_FMT_YUV440P:
|
| 454 |
return "yuv440p"; |
| 455 |
default:
|
| 456 |
return "Unknown format"; |
| 457 |
} |
| 458 |
} |
| 459 |
|
| 460 |
static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| 461 |
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
| 462 |
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) |
| 463 |
{
|
| 464 |
//FIXME Optimize (just quickly writen not opti..)
|
| 465 |
int i;
|
| 466 |
for (i=0; i<dstW; i++) |
| 467 |
{
|
| 468 |
int val=1<<18; |
| 469 |
int j;
|
| 470 |
for (j=0; j<lumFilterSize; j++) |
| 471 |
val += lumSrc[j][i] * lumFilter[j]; |
| 472 |
|
| 473 |
dest[i]= av_clip_uint8(val>>19);
|
| 474 |
} |
| 475 |
|
| 476 |
if (uDest)
|
| 477 |
for (i=0; i<chrDstW; i++) |
| 478 |
{
|
| 479 |
int u=1<<18; |
| 480 |
int v=1<<18; |
| 481 |
int j;
|
| 482 |
for (j=0; j<chrFilterSize; j++) |
| 483 |
{
|
| 484 |
u += chrSrc[j][i] * chrFilter[j]; |
| 485 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
| 486 |
} |
| 487 |
|
| 488 |
uDest[i]= av_clip_uint8(u>>19);
|
| 489 |
vDest[i]= av_clip_uint8(v>>19);
|
| 490 |
} |
| 491 |
} |
| 492 |
|
| 493 |
static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| 494 |
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
| 495 |
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) |
| 496 |
{
|
| 497 |
//FIXME Optimize (just quickly writen not opti..)
|
| 498 |
int i;
|
| 499 |
for (i=0; i<dstW; i++) |
| 500 |
{
|
| 501 |
int val=1<<18; |
| 502 |
int j;
|
| 503 |
for (j=0; j<lumFilterSize; j++) |
| 504 |
val += lumSrc[j][i] * lumFilter[j]; |
| 505 |
|
| 506 |
dest[i]= av_clip_uint8(val>>19);
|
| 507 |
} |
| 508 |
|
| 509 |
if (!uDest)
|
| 510 |
return;
|
| 511 |
|
| 512 |
if (dstFormat == PIX_FMT_NV12)
|
| 513 |
for (i=0; i<chrDstW; i++) |
| 514 |
{
|
| 515 |
int u=1<<18; |
| 516 |
int v=1<<18; |
| 517 |
int j;
|
| 518 |
for (j=0; j<chrFilterSize; j++) |
| 519 |
{
|
| 520 |
u += chrSrc[j][i] * chrFilter[j]; |
| 521 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
| 522 |
} |
| 523 |
|
| 524 |
uDest[2*i]= av_clip_uint8(u>>19); |
| 525 |
uDest[2*i+1]= av_clip_uint8(v>>19); |
| 526 |
} |
| 527 |
else
|
| 528 |
for (i=0; i<chrDstW; i++) |
| 529 |
{
|
| 530 |
int u=1<<18; |
| 531 |
int v=1<<18; |
| 532 |
int j;
|
| 533 |
for (j=0; j<chrFilterSize; j++) |
| 534 |
{
|
| 535 |
u += chrSrc[j][i] * chrFilter[j]; |
| 536 |
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
| 537 |
} |
| 538 |
|
| 539 |
uDest[2*i]= av_clip_uint8(v>>19); |
| 540 |
uDest[2*i+1]= av_clip_uint8(u>>19); |
| 541 |
} |
| 542 |
} |
| 543 |
|
| 544 |
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type) \
|
| 545 |
for (i=0; i<(dstW>>1); i++){\ |
| 546 |
int j;\
|
| 547 |
int Y1 = 1<<18;\ |
| 548 |
int Y2 = 1<<18;\ |
| 549 |
int U = 1<<18;\ |
| 550 |
int V = 1<<18;\ |
| 551 |
type av_unused *r, *b, *g;\ |
| 552 |
const int i2= 2*i;\ |
| 553 |
\ |
| 554 |
for (j=0; j<lumFilterSize; j++)\ |
| 555 |
{\
|
| 556 |
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
| 557 |
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
| 558 |
}\ |
| 559 |
for (j=0; j<chrFilterSize; j++)\ |
| 560 |
{\
|
| 561 |
U += chrSrc[j][i] * chrFilter[j];\ |
| 562 |
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
| 563 |
}\ |
| 564 |
Y1>>=19;\
|
| 565 |
Y2>>=19;\
|
| 566 |
U >>=19;\
|
| 567 |
V >>=19;\
|
| 568 |
|
| 569 |
#define YSCALE_YUV_2_PACKEDX_C(type) \
|
| 570 |
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type)\ |
| 571 |
if ((Y1|Y2|U|V)&256)\ |
| 572 |
{\
|
| 573 |
if (Y1>255) Y1=255; \ |
| 574 |
else if (Y1<0)Y1=0; \ |
| 575 |
if (Y2>255) Y2=255; \ |
| 576 |
else if (Y2<0)Y2=0; \ |
| 577 |
if (U>255) U=255; \ |
| 578 |
else if (U<0) U=0; \ |
| 579 |
if (V>255) V=255; \ |
| 580 |
else if (V<0) V=0; \ |
| 581 |
} |
| 582 |
|
| 583 |
#define YSCALE_YUV_2_PACKEDX_FULL_C \
|
| 584 |
for (i=0; i<dstW; i++){\ |
| 585 |
int j;\
|
| 586 |
int Y = 0;\ |
| 587 |
int U = -128<<19;\ |
| 588 |
int V = -128<<19;\ |
| 589 |
int R,G,B;\
|
| 590 |
\ |
| 591 |
for (j=0; j<lumFilterSize; j++){\ |
| 592 |
Y += lumSrc[j][i ] * lumFilter[j];\ |
| 593 |
}\ |
| 594 |
for (j=0; j<chrFilterSize; j++){\ |
| 595 |
U += chrSrc[j][i ] * chrFilter[j];\ |
| 596 |
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
| 597 |
}\ |
| 598 |
Y >>=10;\
|
| 599 |
U >>=10;\
|
| 600 |
V >>=10;\
|
| 601 |
|
| 602 |
#define YSCALE_YUV_2_RGBX_FULL_C(rnd) \
|
| 603 |
YSCALE_YUV_2_PACKEDX_FULL_C\ |
| 604 |
Y-= c->yuv2rgb_y_offset;\ |
| 605 |
Y*= c->yuv2rgb_y_coeff;\ |
| 606 |
Y+= rnd;\ |
| 607 |
R= Y + V*c->yuv2rgb_v2r_coeff;\ |
| 608 |
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\ |
| 609 |
B= Y + U*c->yuv2rgb_u2b_coeff;\ |
| 610 |
if ((R|G|B)&(0xC0000000)){\ |
| 611 |
if (R>=(256<<22)) R=(256<<22)-1; \ |
| 612 |
else if (R<0)R=0; \ |
| 613 |
if (G>=(256<<22)) G=(256<<22)-1; \ |
| 614 |
else if (G<0)G=0; \ |
| 615 |
if (B>=(256<<22)) B=(256<<22)-1; \ |
| 616 |
else if (B<0)B=0; \ |
| 617 |
}\ |
| 618 |
|
| 619 |
|
| 620 |
#define YSCALE_YUV_2_GRAY16_C \
|
| 621 |
for (i=0; i<(dstW>>1); i++){\ |
| 622 |
int j;\
|
| 623 |
int Y1 = 1<<18;\ |
| 624 |
int Y2 = 1<<18;\ |
| 625 |
int U = 1<<18;\ |
| 626 |
int V = 1<<18;\ |
| 627 |
\ |
| 628 |
const int i2= 2*i;\ |
| 629 |
\ |
| 630 |
for (j=0; j<lumFilterSize; j++)\ |
| 631 |
{\
|
| 632 |
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
| 633 |
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
|
| 634 |
}\ |
| 635 |
Y1>>=11;\
|
| 636 |
Y2>>=11;\
|
| 637 |
if ((Y1|Y2|U|V)&65536)\ |
| 638 |
{\
|
| 639 |
if (Y1>65535) Y1=65535; \ |
| 640 |
else if (Y1<0)Y1=0; \ |
| 641 |
if (Y2>65535) Y2=65535; \ |
| 642 |
else if (Y2<0)Y2=0; \ |
| 643 |
} |
| 644 |
|
| 645 |
#define YSCALE_YUV_2_RGBX_C(type) \
|
| 646 |
YSCALE_YUV_2_PACKEDX_C(type) /* FIXME fix tables so that cliping is not needed and then use _NOCLIP*/\
|
| 647 |
r = (type *)c->table_rV[V]; \ |
| 648 |
g = (type *)(c->table_gU[U] + c->table_gV[V]); \ |
| 649 |
b = (type *)c->table_bU[U]; \ |
| 650 |
|
| 651 |
#define YSCALE_YUV_2_PACKED2_C \
|
| 652 |
for (i=0; i<(dstW>>1); i++){ \ |
| 653 |
const int i2= 2*i; \ |
| 654 |
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \ |
| 655 |
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \ |
| 656 |
int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ |
| 657 |
int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ |
| 658 |
|
| 659 |
#define YSCALE_YUV_2_GRAY16_2_C \
|
| 660 |
for (i=0; i<(dstW>>1); i++){ \ |
| 661 |
const int i2= 2*i; \ |
| 662 |
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \ |
| 663 |
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \ |
| 664 |
|
| 665 |
#define YSCALE_YUV_2_RGB2_C(type) \
|
| 666 |
YSCALE_YUV_2_PACKED2_C\ |
| 667 |
type *r, *b, *g;\ |
| 668 |
r = (type *)c->table_rV[V];\ |
| 669 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
| 670 |
b = (type *)c->table_bU[U];\ |
| 671 |
|
| 672 |
#define YSCALE_YUV_2_PACKED1_C \
|
| 673 |
for (i=0; i<(dstW>>1); i++){\ |
| 674 |
const int i2= 2*i;\ |
| 675 |
int Y1= buf0[i2 ]>>7;\ |
| 676 |
int Y2= buf0[i2+1]>>7;\ |
| 677 |
int U= (uvbuf1[i ])>>7;\ |
| 678 |
int V= (uvbuf1[i+VOFW])>>7;\ |
| 679 |
|
| 680 |
#define YSCALE_YUV_2_GRAY16_1_C \
|
| 681 |
for (i=0; i<(dstW>>1); i++){\ |
| 682 |
const int i2= 2*i;\ |
| 683 |
int Y1= buf0[i2 ]<<1;\ |
| 684 |
int Y2= buf0[i2+1]<<1;\ |
| 685 |
|
| 686 |
#define YSCALE_YUV_2_RGB1_C(type) \
|
| 687 |
YSCALE_YUV_2_PACKED1_C\ |
| 688 |
type *r, *b, *g;\ |
| 689 |
r = (type *)c->table_rV[V];\ |
| 690 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
| 691 |
b = (type *)c->table_bU[U];\ |
| 692 |
|
| 693 |
#define YSCALE_YUV_2_PACKED1B_C \
|
| 694 |
for (i=0; i<(dstW>>1); i++){\ |
| 695 |
const int i2= 2*i;\ |
| 696 |
int Y1= buf0[i2 ]>>7;\ |
| 697 |
int Y2= buf0[i2+1]>>7;\ |
| 698 |
int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ |
| 699 |
int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ |
| 700 |
|
| 701 |
#define YSCALE_YUV_2_RGB1B_C(type) \
|
| 702 |
YSCALE_YUV_2_PACKED1B_C\ |
| 703 |
type *r, *b, *g;\ |
| 704 |
r = (type *)c->table_rV[V];\ |
| 705 |
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
| 706 |
b = (type *)c->table_bU[U];\ |
| 707 |
|
| 708 |
#define YSCALE_YUV_2_MONO2_C \
|
| 709 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 710 |
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
| 711 |
for (i=0; i<dstW-7; i+=8){\ |
| 712 |
int acc;\
|
| 713 |
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ |
| 714 |
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ |
| 715 |
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ |
| 716 |
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ |
| 717 |
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ |
| 718 |
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ |
| 719 |
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ |
| 720 |
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ |
| 721 |
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
| 722 |
dest++;\ |
| 723 |
}\ |
| 724 |
|
| 725 |
|
| 726 |
#define YSCALE_YUV_2_MONOX_C \
|
| 727 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 728 |
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
| 729 |
int acc=0;\ |
| 730 |
for (i=0; i<dstW-1; i+=2){\ |
| 731 |
int j;\
|
| 732 |
int Y1=1<<18;\ |
| 733 |
int Y2=1<<18;\ |
| 734 |
\ |
| 735 |
for (j=0; j<lumFilterSize; j++)\ |
| 736 |
{\
|
| 737 |
Y1 += lumSrc[j][i] * lumFilter[j];\ |
| 738 |
Y2 += lumSrc[j][i+1] * lumFilter[j];\
|
| 739 |
}\ |
| 740 |
Y1>>=19;\
|
| 741 |
Y2>>=19;\
|
| 742 |
if ((Y1|Y2)&256)\ |
| 743 |
{\
|
| 744 |
if (Y1>255) Y1=255;\ |
| 745 |
else if (Y1<0)Y1=0;\ |
| 746 |
if (Y2>255) Y2=255;\ |
| 747 |
else if (Y2<0)Y2=0;\ |
| 748 |
}\ |
| 749 |
acc+= acc + g[Y1+d128[(i+0)&7]];\ |
| 750 |
acc+= acc + g[Y2+d128[(i+1)&7]];\ |
| 751 |
if ((i&7)==6){\ |
| 752 |
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
|
| 753 |
dest++;\ |
| 754 |
}\ |
| 755 |
} |
| 756 |
|
| 757 |
|
| 758 |
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
|
| 759 |
switch(c->dstFormat)\
|
| 760 |
{\
|
| 761 |
case PIX_FMT_RGB32:\
|
| 762 |
case PIX_FMT_BGR32:\
|
| 763 |
case PIX_FMT_RGB32_1:\
|
| 764 |
case PIX_FMT_BGR32_1:\
|
| 765 |
func(uint32_t)\ |
| 766 |
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
|
| 767 |
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
|
| 768 |
} \ |
| 769 |
break;\
|
| 770 |
case PIX_FMT_RGB24:\
|
| 771 |
func(uint8_t)\ |
| 772 |
((uint8_t*)dest)[0]= r[Y1];\
|
| 773 |
((uint8_t*)dest)[1]= g[Y1];\
|
| 774 |
((uint8_t*)dest)[2]= b[Y1];\
|
| 775 |
((uint8_t*)dest)[3]= r[Y2];\
|
| 776 |
((uint8_t*)dest)[4]= g[Y2];\
|
| 777 |
((uint8_t*)dest)[5]= b[Y2];\
|
| 778 |
dest+=6;\
|
| 779 |
}\ |
| 780 |
break;\
|
| 781 |
case PIX_FMT_BGR24:\
|
| 782 |
func(uint8_t)\ |
| 783 |
((uint8_t*)dest)[0]= b[Y1];\
|
| 784 |
((uint8_t*)dest)[1]= g[Y1];\
|
| 785 |
((uint8_t*)dest)[2]= r[Y1];\
|
| 786 |
((uint8_t*)dest)[3]= b[Y2];\
|
| 787 |
((uint8_t*)dest)[4]= g[Y2];\
|
| 788 |
((uint8_t*)dest)[5]= r[Y2];\
|
| 789 |
dest+=6;\
|
| 790 |
}\ |
| 791 |
break;\
|
| 792 |
case PIX_FMT_RGB565:\
|
| 793 |
case PIX_FMT_BGR565:\
|
| 794 |
{\
|
| 795 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
| 796 |
const int dg1= dither_2x2_4[y&1 ][0];\ |
| 797 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
| 798 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
| 799 |
const int dg2= dither_2x2_4[y&1 ][1];\ |
| 800 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
| 801 |
func(uint16_t)\ |
| 802 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
| 803 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
| 804 |
}\ |
| 805 |
}\ |
| 806 |
break;\
|
| 807 |
case PIX_FMT_RGB555:\
|
| 808 |
case PIX_FMT_BGR555:\
|
| 809 |
{\
|
| 810 |
const int dr1= dither_2x2_8[y&1 ][0];\ |
| 811 |
const int dg1= dither_2x2_8[y&1 ][1];\ |
| 812 |
const int db1= dither_2x2_8[(y&1)^1][0];\ |
| 813 |
const int dr2= dither_2x2_8[y&1 ][1];\ |
| 814 |
const int dg2= dither_2x2_8[y&1 ][0];\ |
| 815 |
const int db2= dither_2x2_8[(y&1)^1][1];\ |
| 816 |
func(uint16_t)\ |
| 817 |
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
|
| 818 |
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
|
| 819 |
}\ |
| 820 |
}\ |
| 821 |
break;\
|
| 822 |
case PIX_FMT_RGB8:\
|
| 823 |
case PIX_FMT_BGR8:\
|
| 824 |
{\
|
| 825 |
const uint8_t * const d64= dither_8x8_73[y&7];\ |
| 826 |
const uint8_t * const d32= dither_8x8_32[y&7];\ |
| 827 |
func(uint8_t)\ |
| 828 |
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ |
| 829 |
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ |
| 830 |
}\ |
| 831 |
}\ |
| 832 |
break;\
|
| 833 |
case PIX_FMT_RGB4:\
|
| 834 |
case PIX_FMT_BGR4:\
|
| 835 |
{\
|
| 836 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
| 837 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 838 |
func(uint8_t)\ |
| 839 |
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ |
| 840 |
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ |
| 841 |
}\ |
| 842 |
}\ |
| 843 |
break;\
|
| 844 |
case PIX_FMT_RGB4_BYTE:\
|
| 845 |
case PIX_FMT_BGR4_BYTE:\
|
| 846 |
{\
|
| 847 |
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
| 848 |
const uint8_t * const d128=dither_8x8_220[y&7];\ |
| 849 |
func(uint8_t)\ |
| 850 |
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ |
| 851 |
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ |
| 852 |
}\ |
| 853 |
}\ |
| 854 |
break;\
|
| 855 |
case PIX_FMT_MONOBLACK:\
|
| 856 |
case PIX_FMT_MONOWHITE:\
|
| 857 |
{\
|
| 858 |
func_monoblack\ |
| 859 |
}\ |
| 860 |
break;\
|
| 861 |
case PIX_FMT_YUYV422:\
|
| 862 |
func2\ |
| 863 |
((uint8_t*)dest)[2*i2+0]= Y1;\ |
| 864 |
((uint8_t*)dest)[2*i2+1]= U;\ |
| 865 |
((uint8_t*)dest)[2*i2+2]= Y2;\ |
| 866 |
((uint8_t*)dest)[2*i2+3]= V;\ |
| 867 |
} \ |
| 868 |
break;\
|
| 869 |
case PIX_FMT_UYVY422:\
|
| 870 |
func2\ |
| 871 |
((uint8_t*)dest)[2*i2+0]= U;\ |
| 872 |
((uint8_t*)dest)[2*i2+1]= Y1;\ |
| 873 |
((uint8_t*)dest)[2*i2+2]= V;\ |
| 874 |
((uint8_t*)dest)[2*i2+3]= Y2;\ |
| 875 |
} \ |
| 876 |
break;\
|
| 877 |
case PIX_FMT_GRAY16BE:\
|
| 878 |
func_g16\ |
| 879 |
((uint8_t*)dest)[2*i2+0]= Y1>>8;\ |
| 880 |
((uint8_t*)dest)[2*i2+1]= Y1;\ |
| 881 |
((uint8_t*)dest)[2*i2+2]= Y2>>8;\ |
| 882 |
((uint8_t*)dest)[2*i2+3]= Y2;\ |
| 883 |
} \ |
| 884 |
break;\
|
| 885 |
case PIX_FMT_GRAY16LE:\
|
| 886 |
func_g16\ |
| 887 |
((uint8_t*)dest)[2*i2+0]= Y1;\ |
| 888 |
((uint8_t*)dest)[2*i2+1]= Y1>>8;\ |
| 889 |
((uint8_t*)dest)[2*i2+2]= Y2;\ |
| 890 |
((uint8_t*)dest)[2*i2+3]= Y2>>8;\ |
| 891 |
} \ |
| 892 |
break;\
|
| 893 |
}\ |
| 894 |
|
| 895 |
|
| 896 |
static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| 897 |
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
| 898 |
uint8_t *dest, int dstW, int y) |
| 899 |
{
|
| 900 |
int i;
|
| 901 |
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)
|
| 902 |
} |
| 903 |
|
| 904 |
static inline void yuv2rgbXinC_full(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, |
| 905 |
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
|
| 906 |
uint8_t *dest, int dstW, int y) |
| 907 |
{
|
| 908 |
int i;
|
| 909 |
int step= fmt_depth(c->dstFormat)/8; |
| 910 |
int aidx= 3; |
| 911 |
|
| 912 |
switch(c->dstFormat){
|
| 913 |
case PIX_FMT_ARGB:
|
| 914 |
dest++; |
| 915 |
aidx= 0;
|
| 916 |
case PIX_FMT_RGB24:
|
| 917 |
aidx--; |
| 918 |
case PIX_FMT_RGBA:
|
| 919 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21) |
| 920 |
dest[aidx]= 0;
|
| 921 |
dest[0]= R>>22; |
| 922 |
dest[1]= G>>22; |
| 923 |
dest[2]= B>>22; |
| 924 |
dest+= step; |
| 925 |
} |
| 926 |
break;
|
| 927 |
case PIX_FMT_ABGR:
|
| 928 |
dest++; |
| 929 |
aidx= 0;
|
| 930 |
case PIX_FMT_BGR24:
|
| 931 |
aidx--; |
| 932 |
case PIX_FMT_BGRA:
|
| 933 |
YSCALE_YUV_2_RGBX_FULL_C(1<<21) |
| 934 |
dest[aidx]= 0;
|
| 935 |
dest[0]= B>>22; |
| 936 |
dest[1]= G>>22; |
| 937 |
dest[2]= R>>22; |
| 938 |
dest+= step; |
| 939 |
} |
| 940 |
break;
|
| 941 |
default:
|
| 942 |
assert(0);
|
| 943 |
} |
| 944 |
} |
| 945 |
|
| 946 |
//Note: we have C, X86, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
|
| 947 |
//Plain C versions
|
| 948 |
#if !defined (HAVE_MMX) || defined (RUNTIME_CPUDETECT) || !defined(CONFIG_GPL)
|
| 949 |
#define COMPILE_C
|
| 950 |
#endif
|
| 951 |
|
| 952 |
#ifdef ARCH_PPC
|
| 953 |
#if (defined (HAVE_ALTIVEC) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
| 954 |
#define COMPILE_ALTIVEC
|
| 955 |
#endif //HAVE_ALTIVEC |
| 956 |
#endif //ARCH_PPC |
| 957 |
|
| 958 |
#if defined(ARCH_X86)
|
| 959 |
|
| 960 |
#if ((defined (HAVE_MMX) && !defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
| 961 |
#define COMPILE_MMX
|
| 962 |
#endif
|
| 963 |
|
| 964 |
#if (defined (HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
| 965 |
#define COMPILE_MMX2
|
| 966 |
#endif
|
| 967 |
|
| 968 |
#if ((defined (HAVE_3DNOW) && !defined (HAVE_MMX2)) || defined (RUNTIME_CPUDETECT)) && defined (CONFIG_GPL)
|
| 969 |
#define COMPILE_3DNOW
|
| 970 |
#endif
|
| 971 |
#endif //ARCH_X86 || ARCH_X86_64 |
| 972 |
|
| 973 |
#undef HAVE_MMX
|
| 974 |
#undef HAVE_MMX2
|
| 975 |
#undef HAVE_3DNOW
|
| 976 |
|
| 977 |
#ifdef COMPILE_C
|
| 978 |
#undef HAVE_MMX
|
| 979 |
#undef HAVE_MMX2
|
| 980 |
#undef HAVE_3DNOW
|
| 981 |
#undef HAVE_ALTIVEC
|
| 982 |
#define RENAME(a) a ## _C |
| 983 |
#include "swscale_template.c" |
| 984 |
#endif
|
| 985 |
|
| 986 |
#ifdef COMPILE_ALTIVEC
|
| 987 |
#undef RENAME
|
| 988 |
#define HAVE_ALTIVEC
|
| 989 |
#define RENAME(a) a ## _altivec |
| 990 |
#include "swscale_template.c" |
| 991 |
#endif
|
| 992 |
|
| 993 |
#if defined(ARCH_X86)
|
| 994 |
|
| 995 |
//X86 versions
|
| 996 |
/*
|
| 997 |
#undef RENAME
|
| 998 |
#undef HAVE_MMX
|
| 999 |
#undef HAVE_MMX2
|
| 1000 |
#undef HAVE_3DNOW
|
| 1001 |
#define ARCH_X86
|
| 1002 |
#define RENAME(a) a ## _X86
|
| 1003 |
#include "swscale_template.c"
|
| 1004 |
*/
|
| 1005 |
//MMX versions
|
| 1006 |
#ifdef COMPILE_MMX
|
| 1007 |
#undef RENAME
|
| 1008 |
#define HAVE_MMX
|
| 1009 |
#undef HAVE_MMX2
|
| 1010 |
#undef HAVE_3DNOW
|
| 1011 |
#define RENAME(a) a ## _MMX |
| 1012 |
#include "swscale_template.c" |
| 1013 |
#endif
|
| 1014 |
|
| 1015 |
//MMX2 versions
|
| 1016 |
#ifdef COMPILE_MMX2
|
| 1017 |
#undef RENAME
|
| 1018 |
#define HAVE_MMX
|
| 1019 |
#define HAVE_MMX2
|
| 1020 |
#undef HAVE_3DNOW
|
| 1021 |
#define RENAME(a) a ## _MMX2 |
| 1022 |
#include "swscale_template.c" |
| 1023 |
#endif
|
| 1024 |
|
| 1025 |
//3DNOW versions
|
| 1026 |
#ifdef COMPILE_3DNOW
|
| 1027 |
#undef RENAME
|
| 1028 |
#define HAVE_MMX
|
| 1029 |
#undef HAVE_MMX2
|
| 1030 |
#define HAVE_3DNOW
|
| 1031 |
#define RENAME(a) a ## _3DNow |
| 1032 |
#include "swscale_template.c" |
| 1033 |
#endif
|
| 1034 |
|
| 1035 |
#endif //ARCH_X86 || ARCH_X86_64 |
| 1036 |
|
| 1037 |
// minor note: the HAVE_xyz is messed up after that line so don't use it
|
| 1038 |
|
| 1039 |
static double getSplineCoeff(double a, double b, double c, double d, double dist) |
| 1040 |
{
|
| 1041 |
// printf("%f %f %f %f %f\n", a,b,c,d,dist);
|
| 1042 |
if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a; |
| 1043 |
else return getSplineCoeff( 0.0, |
| 1044 |
b+ 2.0*c + 3.0*d, |
| 1045 |
c + 3.0*d, |
| 1046 |
-b- 3.0*c - 6.0*d, |
| 1047 |
dist-1.0); |
| 1048 |
} |
| 1049 |
|
| 1050 |
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, |
| 1051 |
int srcW, int dstW, int filterAlign, int one, int flags, |
| 1052 |
SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) |
| 1053 |
{
|
| 1054 |
int i;
|
| 1055 |
int filterSize;
|
| 1056 |
int filter2Size;
|
| 1057 |
int minFilterSize;
|
| 1058 |
int64_t *filter=NULL;
|
| 1059 |
int64_t *filter2=NULL;
|
| 1060 |
const int64_t fone= 1LL<<54; |
| 1061 |
int ret= -1; |
| 1062 |
#if defined(ARCH_X86)
|
| 1063 |
if (flags & SWS_CPU_CAPS_MMX)
|
| 1064 |
__asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions) |
| 1065 |
#endif
|
| 1066 |
|
| 1067 |
// Note the +1 is for the MMXscaler which reads over the end
|
| 1068 |
*filterPos = av_malloc((dstW+1)*sizeof(int16_t)); |
| 1069 |
|
| 1070 |
if (FFABS(xInc - 0x10000) <10) // unscaled |
| 1071 |
{
|
| 1072 |
int i;
|
| 1073 |
filterSize= 1;
|
| 1074 |
filter= av_mallocz(dstW*sizeof(*filter)*filterSize);
|
| 1075 |
|
| 1076 |
for (i=0; i<dstW; i++) |
| 1077 |
{
|
| 1078 |
filter[i*filterSize]= fone; |
| 1079 |
(*filterPos)[i]=i; |
| 1080 |
} |
| 1081 |
|
| 1082 |
} |
| 1083 |
else if (flags&SWS_POINT) // lame looking point sampling mode |
| 1084 |
{
|
| 1085 |
int i;
|
| 1086 |
int xDstInSrc;
|
| 1087 |
filterSize= 1;
|
| 1088 |
filter= av_malloc(dstW*sizeof(*filter)*filterSize);
|
| 1089 |
|
| 1090 |
xDstInSrc= xInc/2 - 0x8000; |
| 1091 |
for (i=0; i<dstW; i++) |
| 1092 |
{
|
| 1093 |
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
| 1094 |
|
| 1095 |
(*filterPos)[i]= xx; |
| 1096 |
filter[i]= fone; |
| 1097 |
xDstInSrc+= xInc; |
| 1098 |
} |
| 1099 |
} |
| 1100 |
else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale |
| 1101 |
{
|
| 1102 |
int i;
|
| 1103 |
int xDstInSrc;
|
| 1104 |
if (flags&SWS_BICUBIC) filterSize= 4; |
| 1105 |
else if (flags&SWS_X ) filterSize= 4; |
| 1106 |
else filterSize= 2; // SWS_BILINEAR / SWS_AREA |
| 1107 |
filter= av_malloc(dstW*sizeof(*filter)*filterSize);
|
| 1108 |
|
| 1109 |
xDstInSrc= xInc/2 - 0x8000; |
| 1110 |
for (i=0; i<dstW; i++) |
| 1111 |
{
|
| 1112 |
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
| 1113 |
int j;
|
| 1114 |
|
| 1115 |
(*filterPos)[i]= xx; |
| 1116 |
//Bilinear upscale / linear interpolate / Area averaging
|
| 1117 |
for (j=0; j<filterSize; j++) |
| 1118 |
{
|
| 1119 |
int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); |
| 1120 |
if (coeff<0) coeff=0; |
| 1121 |
filter[i*filterSize + j]= coeff; |
| 1122 |
xx++; |
| 1123 |
} |
| 1124 |
xDstInSrc+= xInc; |
| 1125 |
} |
| 1126 |
} |
| 1127 |
else
|
| 1128 |
{
|
| 1129 |
int xDstInSrc;
|
| 1130 |
int sizeFactor;
|
| 1131 |
|
| 1132 |
if (flags&SWS_BICUBIC) sizeFactor= 4; |
| 1133 |
else if (flags&SWS_X) sizeFactor= 8; |
| 1134 |
else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear |
| 1135 |
else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;) |
| 1136 |
else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6; |
| 1137 |
else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;) |
| 1138 |
else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;) |
| 1139 |
else if (flags&SWS_BILINEAR) sizeFactor= 2; |
| 1140 |
else {
|
| 1141 |
sizeFactor= 0; //GCC warning killer |
| 1142 |
assert(0);
|
| 1143 |
} |
| 1144 |
|
| 1145 |
if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale |
| 1146 |
else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW; |
| 1147 |
|
| 1148 |
if (filterSize > srcW-2) filterSize=srcW-2; |
| 1149 |
|
| 1150 |
filter= av_malloc(dstW*sizeof(*filter)*filterSize);
|
| 1151 |
|
| 1152 |
xDstInSrc= xInc - 0x10000;
|
| 1153 |
for (i=0; i<dstW; i++) |
| 1154 |
{
|
| 1155 |
int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17); |
| 1156 |
int j;
|
| 1157 |
(*filterPos)[i]= xx; |
| 1158 |
for (j=0; j<filterSize; j++) |
| 1159 |
{
|
| 1160 |
int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; |
| 1161 |
double floatd;
|
| 1162 |
int64_t coeff; |
| 1163 |
|
| 1164 |
if (xInc > 1<<16) |
| 1165 |
d= d*dstW/srcW; |
| 1166 |
floatd= d * (1.0/(1<<30)); |
| 1167 |
|
| 1168 |
if (flags & SWS_BICUBIC)
|
| 1169 |
{
|
| 1170 |
int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24); |
| 1171 |
int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24); |
| 1172 |
int64_t dd = ( d*d)>>30;
|
| 1173 |
int64_t ddd= (dd*d)>>30;
|
| 1174 |
|
| 1175 |
if (d < 1LL<<30) |
| 1176 |
coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30); |
| 1177 |
else if (d < 1LL<<31) |
| 1178 |
coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30); |
| 1179 |
else
|
| 1180 |
coeff=0.0; |
| 1181 |
coeff *= fone>>(30+24); |
| 1182 |
} |
| 1183 |
/* else if (flags & SWS_X)
|
| 1184 |
{
|
| 1185 |
double p= param ? param*0.01 : 0.3;
|
| 1186 |
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
|
| 1187 |
coeff*= pow(2.0, - p*d*d);
|
| 1188 |
}*/
|
| 1189 |
else if (flags & SWS_X) |
| 1190 |
{
|
| 1191 |
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; |
| 1192 |
double c;
|
| 1193 |
|
| 1194 |
if (floatd<1.0) |
| 1195 |
c = cos(floatd*PI); |
| 1196 |
else
|
| 1197 |
c=-1.0; |
| 1198 |
if (c<0.0) c= -pow(-c, A); |
| 1199 |
else c= pow( c, A);
|
| 1200 |
coeff= (c*0.5 + 0.5)*fone; |
| 1201 |
} |
| 1202 |
else if (flags & SWS_AREA) |
| 1203 |
{
|
| 1204 |
int64_t d2= d - (1<<29); |
| 1205 |
if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16)); |
| 1206 |
else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16)); |
| 1207 |
else coeff=0.0; |
| 1208 |
coeff *= fone>>(30+16); |
| 1209 |
} |
| 1210 |
else if (flags & SWS_GAUSS) |
| 1211 |
{
|
| 1212 |
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
| 1213 |
coeff = (pow(2.0, - p*floatd*floatd))*fone; |
| 1214 |
} |
| 1215 |
else if (flags & SWS_SINC) |
| 1216 |
{
|
| 1217 |
coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone; |
| 1218 |
} |
| 1219 |
else if (flags & SWS_LANCZOS) |
| 1220 |
{
|
| 1221 |
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
| 1222 |
coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone; |
| 1223 |
if (floatd>p) coeff=0; |
| 1224 |
} |
| 1225 |
else if (flags & SWS_BILINEAR) |
| 1226 |
{
|
| 1227 |
coeff= (1<<30) - d; |
| 1228 |
if (coeff<0) coeff=0; |
| 1229 |
coeff *= fone >> 30;
|
| 1230 |
} |
| 1231 |
else if (flags & SWS_SPLINE) |
| 1232 |
{
|
| 1233 |
double p=-2.196152422706632; |
| 1234 |
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone; |
| 1235 |
} |
| 1236 |
else {
|
| 1237 |
coeff= 0.0; //GCC warning killer |
| 1238 |
assert(0);
|
| 1239 |
} |
| 1240 |
|
| 1241 |
filter[i*filterSize + j]= coeff; |
| 1242 |
xx++; |
| 1243 |
} |
| 1244 |
xDstInSrc+= 2*xInc;
|
| 1245 |
} |
| 1246 |
} |
| 1247 |
|
| 1248 |
/* apply src & dst Filter to filter -> filter2
|
| 1249 |
av_free(filter);
|
| 1250 |
*/
|
| 1251 |
assert(filterSize>0);
|
| 1252 |
filter2Size= filterSize; |
| 1253 |
if (srcFilter) filter2Size+= srcFilter->length - 1; |
| 1254 |
if (dstFilter) filter2Size+= dstFilter->length - 1; |
| 1255 |
assert(filter2Size>0);
|
| 1256 |
filter2= av_mallocz(filter2Size*dstW*sizeof(*filter2));
|
| 1257 |
|
| 1258 |
for (i=0; i<dstW; i++) |
| 1259 |
{
|
| 1260 |
int j, k;
|
| 1261 |
|
| 1262 |
if(srcFilter){
|
| 1263 |
for (k=0; k<srcFilter->length; k++){ |
| 1264 |
for (j=0; j<filterSize; j++) |
| 1265 |
filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j]; |
| 1266 |
} |
| 1267 |
}else{
|
| 1268 |
for (j=0; j<filterSize; j++) |
| 1269 |
filter2[i*filter2Size + j]= filter[i*filterSize + j]; |
| 1270 |
} |
| 1271 |
//FIXME dstFilter
|
| 1272 |
|
| 1273 |
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; |
| 1274 |
} |
| 1275 |
av_freep(&filter); |
| 1276 |
|
| 1277 |
/* try to reduce the filter-size (step1 find size and shift left) */
|
| 1278 |
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
|
| 1279 |
minFilterSize= 0;
|
| 1280 |
for (i=dstW-1; i>=0; i--) |
| 1281 |
{
|
| 1282 |
int min= filter2Size;
|
| 1283 |
int j;
|
| 1284 |
int64_t cutOff=0.0; |
| 1285 |
|
| 1286 |
/* get rid off near zero elements on the left by shifting left */
|
| 1287 |
for (j=0; j<filter2Size; j++) |
| 1288 |
{
|
| 1289 |
int k;
|
| 1290 |
cutOff += FFABS(filter2[i*filter2Size]); |
| 1291 |
|
| 1292 |
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; |
| 1293 |
|
| 1294 |
/* preserve monotonicity because the core can't handle the filter otherwise */
|
| 1295 |
if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; |
| 1296 |
|
| 1297 |
// Move filter coeffs left
|
| 1298 |
for (k=1; k<filter2Size; k++) |
| 1299 |
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k];
|
| 1300 |
filter2[i*filter2Size + k - 1]= 0; |
| 1301 |
(*filterPos)[i]++; |
| 1302 |
} |
| 1303 |
|
| 1304 |
cutOff=0;
|
| 1305 |
/* count near zeros on the right */
|
| 1306 |
for (j=filter2Size-1; j>0; j--) |
| 1307 |
{
|
| 1308 |
cutOff += FFABS(filter2[i*filter2Size + j]); |
| 1309 |
|
| 1310 |
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; |
| 1311 |
min--; |
| 1312 |
} |
| 1313 |
|
| 1314 |
if (min>minFilterSize) minFilterSize= min;
|
| 1315 |
} |
| 1316 |
|
| 1317 |
if (flags & SWS_CPU_CAPS_ALTIVEC) {
|
| 1318 |
// we can handle the special case 4,
|
| 1319 |
// so we don't want to go to the full 8
|
| 1320 |
if (minFilterSize < 5) |
| 1321 |
filterAlign = 4;
|
| 1322 |
|
| 1323 |
// we really don't want to waste our time
|
| 1324 |
// doing useless computation, so fall-back on
|
| 1325 |
// the scalar C code for very small filter.
|
| 1326 |
// vectorizing is worth it only if you have
|
| 1327 |
// decent-sized vector.
|
| 1328 |
if (minFilterSize < 3) |
| 1329 |
filterAlign = 1;
|
| 1330 |
} |
| 1331 |
|
| 1332 |
if (flags & SWS_CPU_CAPS_MMX) {
|
| 1333 |
// special case for unscaled vertical filtering
|
| 1334 |
if (minFilterSize == 1 && filterAlign == 2) |
| 1335 |
filterAlign= 1;
|
| 1336 |
} |
| 1337 |
|
| 1338 |
assert(minFilterSize > 0);
|
| 1339 |
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); |
| 1340 |
assert(filterSize > 0);
|
| 1341 |
filter= av_malloc(filterSize*dstW*sizeof(*filter));
|
| 1342 |
if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter) |
| 1343 |
goto error;
|
| 1344 |
*outFilterSize= filterSize; |
| 1345 |
|
| 1346 |
if (flags&SWS_PRINT_INFO)
|
| 1347 |
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); |
| 1348 |
/* try to reduce the filter-size (step2 reduce it) */
|
| 1349 |
for (i=0; i<dstW; i++) |
| 1350 |
{
|
| 1351 |
int j;
|
| 1352 |
|
| 1353 |
for (j=0; j<filterSize; j++) |
| 1354 |
{
|
| 1355 |
if (j>=filter2Size) filter[i*filterSize + j]= 0; |
| 1356 |
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
|
| 1357 |
if((flags & SWS_BITEXACT) && j>=minFilterSize)
|
| 1358 |
filter[i*filterSize + j]= 0;
|
| 1359 |
} |
| 1360 |
} |
| 1361 |
|
| 1362 |
|
| 1363 |
//FIXME try to align filterpos if possible
|
| 1364 |
|
| 1365 |
//fix borders
|
| 1366 |
for (i=0; i<dstW; i++) |
| 1367 |
{
|
| 1368 |
int j;
|
| 1369 |
if ((*filterPos)[i] < 0) |
| 1370 |
{
|
| 1371 |
// Move filter coeffs left to compensate for filterPos
|
| 1372 |
for (j=1; j<filterSize; j++) |
| 1373 |
{
|
| 1374 |
int left= FFMAX(j + (*filterPos)[i], 0); |
| 1375 |
filter[i*filterSize + left] += filter[i*filterSize + j]; |
| 1376 |
filter[i*filterSize + j]=0;
|
| 1377 |
} |
| 1378 |
(*filterPos)[i]= 0;
|
| 1379 |
} |
| 1380 |
|
| 1381 |
if ((*filterPos)[i] + filterSize > srcW)
|
| 1382 |
{
|
| 1383 |
int shift= (*filterPos)[i] + filterSize - srcW;
|
| 1384 |
// Move filter coeffs right to compensate for filterPos
|
| 1385 |
for (j=filterSize-2; j>=0; j--) |
| 1386 |
{
|
| 1387 |
int right= FFMIN(j + shift, filterSize-1); |
| 1388 |
filter[i*filterSize +right] += filter[i*filterSize +j]; |
| 1389 |
filter[i*filterSize +j]=0;
|
| 1390 |
} |
| 1391 |
(*filterPos)[i]= srcW - filterSize; |
| 1392 |
} |
| 1393 |
} |
| 1394 |
|
| 1395 |
// Note the +1 is for the MMXscaler which reads over the end
|
| 1396 |
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
|
| 1397 |
*outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t)); |
| 1398 |
|
| 1399 |
/* Normalize & Store in outFilter */
|
| 1400 |
for (i=0; i<dstW; i++) |
| 1401 |
{
|
| 1402 |
int j;
|
| 1403 |
int64_t error=0;
|
| 1404 |
int64_t sum=0;
|
| 1405 |
|
| 1406 |
for (j=0; j<filterSize; j++) |
| 1407 |
{
|
| 1408 |
sum+= filter[i*filterSize + j]; |
| 1409 |
} |
| 1410 |
sum= (sum + one/2)/ one;
|
| 1411 |
for (j=0; j<*outFilterSize; j++) |
| 1412 |
{
|
| 1413 |
int64_t v= filter[i*filterSize + j] + error; |
| 1414 |
int intV= ROUNDED_DIV(v, sum);
|
| 1415 |
(*outFilter)[i*(*outFilterSize) + j]= intV; |
| 1416 |
error= v - intV*sum; |
| 1417 |
} |
| 1418 |
} |
| 1419 |
|
| 1420 |
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end |
| 1421 |
for (i=0; i<*outFilterSize; i++) |
| 1422 |
{
|
| 1423 |
int j= dstW*(*outFilterSize);
|
| 1424 |
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; |
| 1425 |
} |
| 1426 |
|
| 1427 |
ret=0;
|
| 1428 |
error:
|
| 1429 |
av_free(filter); |
| 1430 |
av_free(filter2); |
| 1431 |
return ret;
|
| 1432 |
} |
| 1433 |
|
| 1434 |
#ifdef COMPILE_MMX2
|
| 1435 |
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) |
| 1436 |
{
|
| 1437 |
uint8_t *fragmentA; |
| 1438 |
long imm8OfPShufW1A;
|
| 1439 |
long imm8OfPShufW2A;
|
| 1440 |
long fragmentLengthA;
|
| 1441 |
uint8_t *fragmentB; |
| 1442 |
long imm8OfPShufW1B;
|
| 1443 |
long imm8OfPShufW2B;
|
| 1444 |
long fragmentLengthB;
|
| 1445 |
int fragmentPos;
|
| 1446 |
|
| 1447 |
int xpos, i;
|
| 1448 |
|
| 1449 |
// create an optimized horizontal scaling routine
|
| 1450 |
|
| 1451 |
//code fragment
|
| 1452 |
|
| 1453 |
__asm__ volatile(
|
| 1454 |
"jmp 9f \n\t"
|
| 1455 |
// Begin
|
| 1456 |
"0: \n\t"
|
| 1457 |
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
| 1458 |
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
| 1459 |
"movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t" |
| 1460 |
"punpcklbw %%mm7, %%mm1 \n\t"
|
| 1461 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 1462 |
"pshufw $0xFF, %%mm1, %%mm1 \n\t"
|
| 1463 |
"1: \n\t"
|
| 1464 |
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
| 1465 |
"2: \n\t"
|
| 1466 |
"psubw %%mm1, %%mm0 \n\t"
|
| 1467 |
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
| 1468 |
"pmullw %%mm3, %%mm0 \n\t"
|
| 1469 |
"psllw $7, %%mm1 \n\t"
|
| 1470 |
"paddw %%mm1, %%mm0 \n\t"
|
| 1471 |
|
| 1472 |
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
| 1473 |
|
| 1474 |
"add $8, %%"REG_a" \n\t" |
| 1475 |
// End
|
| 1476 |
"9: \n\t"
|
| 1477 |
// "int $3 \n\t"
|
| 1478 |
"lea " LOCAL_MANGLE(0b) ", %0 \n\t" |
| 1479 |
"lea " LOCAL_MANGLE(1b) ", %1 \n\t" |
| 1480 |
"lea " LOCAL_MANGLE(2b) ", %2 \n\t" |
| 1481 |
"dec %1 \n\t"
|
| 1482 |
"dec %2 \n\t"
|
| 1483 |
"sub %0, %1 \n\t"
|
| 1484 |
"sub %0, %2 \n\t"
|
| 1485 |
"lea " LOCAL_MANGLE(9b) ", %3 \n\t" |
| 1486 |
"sub %0, %3 \n\t"
|
| 1487 |
|
| 1488 |
|
| 1489 |
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), |
| 1490 |
"=r" (fragmentLengthA)
|
| 1491 |
); |
| 1492 |
|
| 1493 |
__asm__ volatile(
|
| 1494 |
"jmp 9f \n\t"
|
| 1495 |
// Begin
|
| 1496 |
"0: \n\t"
|
| 1497 |
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
| 1498 |
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
| 1499 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 1500 |
"pshufw $0xFF, %%mm0, %%mm1 \n\t"
|
| 1501 |
"1: \n\t"
|
| 1502 |
"pshufw $0xFF, %%mm0, %%mm0 \n\t"
|
| 1503 |
"2: \n\t"
|
| 1504 |
"psubw %%mm1, %%mm0 \n\t"
|
| 1505 |
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
| 1506 |
"pmullw %%mm3, %%mm0 \n\t"
|
| 1507 |
"psllw $7, %%mm1 \n\t"
|
| 1508 |
"paddw %%mm1, %%mm0 \n\t"
|
| 1509 |
|
| 1510 |
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
| 1511 |
|
| 1512 |
"add $8, %%"REG_a" \n\t" |
| 1513 |
// End
|
| 1514 |
"9: \n\t"
|
| 1515 |
// "int $3 \n\t"
|
| 1516 |
"lea " LOCAL_MANGLE(0b) ", %0 \n\t" |
| 1517 |
"lea " LOCAL_MANGLE(1b) ", %1 \n\t" |
| 1518 |
"lea " LOCAL_MANGLE(2b) ", %2 \n\t" |
| 1519 |
"dec %1 \n\t"
|
| 1520 |
"dec %2 \n\t"
|
| 1521 |
"sub %0, %1 \n\t"
|
| 1522 |
"sub %0, %2 \n\t"
|
| 1523 |
"lea " LOCAL_MANGLE(9b) ", %3 \n\t" |
| 1524 |
"sub %0, %3 \n\t"
|
| 1525 |
|
| 1526 |
|
| 1527 |
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), |
| 1528 |
"=r" (fragmentLengthB)
|
| 1529 |
); |
| 1530 |
|
| 1531 |
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers |
| 1532 |
fragmentPos=0;
|
| 1533 |
|
| 1534 |
for (i=0; i<dstW/numSplits; i++) |
| 1535 |
{
|
| 1536 |
int xx=xpos>>16; |
| 1537 |
|
| 1538 |
if ((i&3) == 0) |
| 1539 |
{
|
| 1540 |
int a=0; |
| 1541 |
int b=((xpos+xInc)>>16) - xx; |
| 1542 |
int c=((xpos+xInc*2)>>16) - xx; |
| 1543 |
int d=((xpos+xInc*3)>>16) - xx; |
| 1544 |
|
| 1545 |
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; |
| 1546 |
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1547 |
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1548 |
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
| 1549 |
filterPos[i/2]= xx;
|
| 1550 |
|
| 1551 |
if (d+1<4) |
| 1552 |
{
|
| 1553 |
int maxShift= 3-(d+1); |
| 1554 |
int shift=0; |
| 1555 |
|
| 1556 |
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB); |
| 1557 |
|
| 1558 |
funnyCode[fragmentPos + imm8OfPShufW1B]= |
| 1559 |
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6); |
| 1560 |
funnyCode[fragmentPos + imm8OfPShufW2B]= |
| 1561 |
a | (b<<2) | (c<<4) | (d<<6); |
| 1562 |
|
| 1563 |
if (i+3>=dstW) shift=maxShift; //avoid overread |
| 1564 |
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
| 1565 |
|
| 1566 |
if (shift && i>=shift)
|
| 1567 |
{
|
| 1568 |
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift;
|
| 1569 |
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift;
|
| 1570 |
filterPos[i/2]-=shift;
|
| 1571 |
} |
| 1572 |
|
| 1573 |
fragmentPos+= fragmentLengthB; |
| 1574 |
} |
| 1575 |
else
|
| 1576 |
{
|
| 1577 |
int maxShift= 3-d; |
| 1578 |
int shift=0; |
| 1579 |
|
| 1580 |
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA); |
| 1581 |
|
| 1582 |
funnyCode[fragmentPos + imm8OfPShufW1A]= |
| 1583 |
funnyCode[fragmentPos + imm8OfPShufW2A]= |
| 1584 |
a | (b<<2) | (c<<4) | (d<<6); |
| 1585 |
|
| 1586 |
if (i+4>=dstW) shift=maxShift; //avoid overread |
| 1587 |
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align |
| 1588 |
|
| 1589 |
if (shift && i>=shift)
|
| 1590 |
{
|
| 1591 |
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift;
|
| 1592 |
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift;
|
| 1593 |
filterPos[i/2]-=shift;
|
| 1594 |
} |
| 1595 |
|
| 1596 |
fragmentPos+= fragmentLengthA; |
| 1597 |
} |
| 1598 |
|
| 1599 |
funnyCode[fragmentPos]= RET; |
| 1600 |
} |
| 1601 |
xpos+=xInc; |
| 1602 |
} |
| 1603 |
filterPos[i/2]= xpos>>16; // needed to jump to the next part |
| 1604 |
} |
| 1605 |
#endif /* COMPILE_MMX2 */ |
| 1606 |
|
| 1607 |
static void globalInit(void){ |
| 1608 |
// generating tables:
|
| 1609 |
int i;
|
| 1610 |
for (i=0; i<768; i++){ |
| 1611 |
int c= av_clip_uint8(i-256); |
| 1612 |
clip_table[i]=c; |
| 1613 |
} |
| 1614 |
} |
| 1615 |
|
| 1616 |
static SwsFunc getSwsFunc(int flags){ |
| 1617 |
|
| 1618 |
#if defined(RUNTIME_CPUDETECT) && defined (CONFIG_GPL)
|
| 1619 |
#if defined(ARCH_X86)
|
| 1620 |
// ordered per speed fastest first
|
| 1621 |
if (flags & SWS_CPU_CAPS_MMX2)
|
| 1622 |
return swScale_MMX2;
|
| 1623 |
else if (flags & SWS_CPU_CAPS_3DNOW) |
| 1624 |
return swScale_3DNow;
|
| 1625 |
else if (flags & SWS_CPU_CAPS_MMX) |
| 1626 |
return swScale_MMX;
|
| 1627 |
else
|
| 1628 |
return swScale_C;
|
| 1629 |
|
| 1630 |
#else
|
| 1631 |
#ifdef ARCH_PPC
|
| 1632 |
if (flags & SWS_CPU_CAPS_ALTIVEC)
|
| 1633 |
return swScale_altivec;
|
| 1634 |
else
|
| 1635 |
return swScale_C;
|
| 1636 |
#endif
|
| 1637 |
return swScale_C;
|
| 1638 |
#endif /* defined(ARCH_X86) */ |
| 1639 |
#else //RUNTIME_CPUDETECT |
| 1640 |
#ifdef HAVE_MMX2
|
| 1641 |
return swScale_MMX2;
|
| 1642 |
#elif defined (HAVE_3DNOW)
|
| 1643 |
return swScale_3DNow;
|
| 1644 |
#elif defined (HAVE_MMX)
|
| 1645 |
return swScale_MMX;
|
| 1646 |
#elif defined (HAVE_ALTIVEC)
|
| 1647 |
return swScale_altivec;
|
| 1648 |
#else
|
| 1649 |
return swScale_C;
|
| 1650 |
#endif
|
| 1651 |
#endif //!RUNTIME_CPUDETECT |
| 1652 |
} |
| 1653 |
|
| 1654 |
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1655 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1656 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1657 |
/* Copy Y plane */
|
| 1658 |
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
| 1659 |
memcpy(dst, src[0], srcSliceH*dstStride[0]); |
| 1660 |
else
|
| 1661 |
{
|
| 1662 |
int i;
|
| 1663 |
uint8_t *srcPtr= src[0];
|
| 1664 |
uint8_t *dstPtr= dst; |
| 1665 |
for (i=0; i<srcSliceH; i++) |
| 1666 |
{
|
| 1667 |
memcpy(dstPtr, srcPtr, c->srcW); |
| 1668 |
srcPtr+= srcStride[0];
|
| 1669 |
dstPtr+= dstStride[0];
|
| 1670 |
} |
| 1671 |
} |
| 1672 |
dst = dstParam[1] + dstStride[1]*srcSliceY/2; |
| 1673 |
if (c->dstFormat == PIX_FMT_NV12)
|
| 1674 |
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); |
| 1675 |
else
|
| 1676 |
interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]); |
| 1677 |
|
| 1678 |
return srcSliceH;
|
| 1679 |
} |
| 1680 |
|
| 1681 |
static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1682 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1683 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1684 |
|
| 1685 |
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
| 1686 |
|
| 1687 |
return srcSliceH;
|
| 1688 |
} |
| 1689 |
|
| 1690 |
static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1691 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1692 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1693 |
|
| 1694 |
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
| 1695 |
|
| 1696 |
return srcSliceH;
|
| 1697 |
} |
| 1698 |
|
| 1699 |
static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1700 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1701 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1702 |
|
| 1703 |
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
| 1704 |
|
| 1705 |
return srcSliceH;
|
| 1706 |
} |
| 1707 |
|
| 1708 |
static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1709 |
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
| 1710 |
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
| 1711 |
|
| 1712 |
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
| 1713 |
|
| 1714 |
return srcSliceH;
|
| 1715 |
} |
| 1716 |
|
| 1717 |
static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1718 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1719 |
const enum PixelFormat srcFormat= c->srcFormat; |
| 1720 |
const enum PixelFormat dstFormat= c->dstFormat; |
| 1721 |
void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, |
| 1722 |
const uint8_t *palette)=NULL; |
| 1723 |
int i;
|
| 1724 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1725 |
uint8_t *srcPtr= src[0];
|
| 1726 |
|
| 1727 |
if (!usePal(srcFormat))
|
| 1728 |
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
| 1729 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 1730 |
|
| 1731 |
switch(dstFormat){
|
| 1732 |
case PIX_FMT_RGB32 : conv = palette8topacked32; break; |
| 1733 |
case PIX_FMT_BGR32 : conv = palette8topacked32; break; |
| 1734 |
case PIX_FMT_BGR32_1: conv = palette8topacked32; break; |
| 1735 |
case PIX_FMT_RGB32_1: conv = palette8topacked32; break; |
| 1736 |
case PIX_FMT_RGB24 : conv = palette8topacked24; break; |
| 1737 |
case PIX_FMT_BGR24 : conv = palette8topacked24; break; |
| 1738 |
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
| 1739 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
| 1740 |
} |
| 1741 |
|
| 1742 |
|
| 1743 |
for (i=0; i<srcSliceH; i++) { |
| 1744 |
conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); |
| 1745 |
srcPtr+= srcStride[0];
|
| 1746 |
dstPtr+= dstStride[0];
|
| 1747 |
} |
| 1748 |
|
| 1749 |
return srcSliceH;
|
| 1750 |
} |
| 1751 |
|
| 1752 |
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
|
| 1753 |
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1754 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1755 |
const enum PixelFormat srcFormat= c->srcFormat; |
| 1756 |
const enum PixelFormat dstFormat= c->dstFormat; |
| 1757 |
const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3; |
| 1758 |
const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3; |
| 1759 |
const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ |
| 1760 |
const int dstId= fmt_depth(dstFormat) >> 2; |
| 1761 |
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; |
| 1762 |
|
| 1763 |
/* BGR -> BGR */
|
| 1764 |
if ( (isBGR(srcFormat) && isBGR(dstFormat))
|
| 1765 |
|| (isRGB(srcFormat) && isRGB(dstFormat))){
|
| 1766 |
switch(srcId | (dstId<<4)){ |
| 1767 |
case 0x34: conv= rgb16to15; break; |
| 1768 |
case 0x36: conv= rgb24to15; break; |
| 1769 |
case 0x38: conv= rgb32to15; break; |
| 1770 |
case 0x43: conv= rgb15to16; break; |
| 1771 |
case 0x46: conv= rgb24to16; break; |
| 1772 |
case 0x48: conv= rgb32to16; break; |
| 1773 |
case 0x63: conv= rgb15to24; break; |
| 1774 |
case 0x64: conv= rgb16to24; break; |
| 1775 |
case 0x68: conv= rgb32to24; break; |
| 1776 |
case 0x83: conv= rgb15to32; break; |
| 1777 |
case 0x84: conv= rgb16to32; break; |
| 1778 |
case 0x86: conv= rgb24to32; break; |
| 1779 |
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
| 1780 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
| 1781 |
} |
| 1782 |
}else if ( (isBGR(srcFormat) && isRGB(dstFormat)) |
| 1783 |
|| (isRGB(srcFormat) && isBGR(dstFormat))){
|
| 1784 |
switch(srcId | (dstId<<4)){ |
| 1785 |
case 0x33: conv= rgb15tobgr15; break; |
| 1786 |
case 0x34: conv= rgb16tobgr15; break; |
| 1787 |
case 0x36: conv= rgb24tobgr15; break; |
| 1788 |
case 0x38: conv= rgb32tobgr15; break; |
| 1789 |
case 0x43: conv= rgb15tobgr16; break; |
| 1790 |
case 0x44: conv= rgb16tobgr16; break; |
| 1791 |
case 0x46: conv= rgb24tobgr16; break; |
| 1792 |
case 0x48: conv= rgb32tobgr16; break; |
| 1793 |
case 0x63: conv= rgb15tobgr24; break; |
| 1794 |
case 0x64: conv= rgb16tobgr24; break; |
| 1795 |
case 0x66: conv= rgb24tobgr24; break; |
| 1796 |
case 0x68: conv= rgb32tobgr24; break; |
| 1797 |
case 0x83: conv= rgb15tobgr32; break; |
| 1798 |
case 0x84: conv= rgb16tobgr32; break; |
| 1799 |
case 0x86: conv= rgb24tobgr32; break; |
| 1800 |
case 0x88: conv= rgb32tobgr32; break; |
| 1801 |
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
| 1802 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
|
| 1803 |
} |
| 1804 |
}else{
|
| 1805 |
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
|
| 1806 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 1807 |
} |
| 1808 |
|
| 1809 |
if(conv)
|
| 1810 |
{
|
| 1811 |
uint8_t *srcPtr= src[0];
|
| 1812 |
if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
|
| 1813 |
srcPtr += ALT32_CORR; |
| 1814 |
|
| 1815 |
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) |
| 1816 |
conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); |
| 1817 |
else
|
| 1818 |
{
|
| 1819 |
int i;
|
| 1820 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1821 |
|
| 1822 |
for (i=0; i<srcSliceH; i++) |
| 1823 |
{
|
| 1824 |
conv(srcPtr, dstPtr, c->srcW*srcBpp); |
| 1825 |
srcPtr+= srcStride[0];
|
| 1826 |
dstPtr+= dstStride[0];
|
| 1827 |
} |
| 1828 |
} |
| 1829 |
} |
| 1830 |
return srcSliceH;
|
| 1831 |
} |
| 1832 |
|
| 1833 |
static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1834 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1835 |
|
| 1836 |
rgb24toyv12( |
| 1837 |
src[0],
|
| 1838 |
dst[0]+ srcSliceY *dstStride[0], |
| 1839 |
dst[1]+(srcSliceY>>1)*dstStride[1], |
| 1840 |
dst[2]+(srcSliceY>>1)*dstStride[2], |
| 1841 |
c->srcW, srcSliceH, |
| 1842 |
dstStride[0], dstStride[1], srcStride[0]); |
| 1843 |
return srcSliceH;
|
| 1844 |
} |
| 1845 |
|
| 1846 |
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1847 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1848 |
int i;
|
| 1849 |
|
| 1850 |
/* copy Y */
|
| 1851 |
if (srcStride[0]==dstStride[0] && srcStride[0] > 0) |
| 1852 |
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); |
| 1853 |
else{
|
| 1854 |
uint8_t *srcPtr= src[0];
|
| 1855 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1856 |
|
| 1857 |
for (i=0; i<srcSliceH; i++) |
| 1858 |
{
|
| 1859 |
memcpy(dstPtr, srcPtr, c->srcW); |
| 1860 |
srcPtr+= srcStride[0];
|
| 1861 |
dstPtr+= dstStride[0];
|
| 1862 |
} |
| 1863 |
} |
| 1864 |
|
| 1865 |
if (c->dstFormat==PIX_FMT_YUV420P){
|
| 1866 |
planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]); |
| 1867 |
planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]); |
| 1868 |
}else{
|
| 1869 |
planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]); |
| 1870 |
planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]); |
| 1871 |
} |
| 1872 |
return srcSliceH;
|
| 1873 |
} |
| 1874 |
|
| 1875 |
/* unscaled copy like stuff (assumes nearly identical formats) */
|
| 1876 |
static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1877 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
| 1878 |
{
|
| 1879 |
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
| 1880 |
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); |
| 1881 |
else
|
| 1882 |
{
|
| 1883 |
int i;
|
| 1884 |
uint8_t *srcPtr= src[0];
|
| 1885 |
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
| 1886 |
int length=0; |
| 1887 |
|
| 1888 |
/* universal length finder */
|
| 1889 |
while(length+c->srcW <= FFABS(dstStride[0]) |
| 1890 |
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
|
| 1891 |
assert(length!=0);
|
| 1892 |
|
| 1893 |
for (i=0; i<srcSliceH; i++) |
| 1894 |
{
|
| 1895 |
memcpy(dstPtr, srcPtr, length); |
| 1896 |
srcPtr+= srcStride[0];
|
| 1897 |
dstPtr+= dstStride[0];
|
| 1898 |
} |
| 1899 |
} |
| 1900 |
return srcSliceH;
|
| 1901 |
} |
| 1902 |
|
| 1903 |
static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1904 |
int srcSliceH, uint8_t* dst[], int dstStride[]) |
| 1905 |
{
|
| 1906 |
int plane;
|
| 1907 |
for (plane=0; plane<3; plane++) |
| 1908 |
{
|
| 1909 |
int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); |
| 1910 |
int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); |
| 1911 |
int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); |
| 1912 |
|
| 1913 |
if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0) |
| 1914 |
{
|
| 1915 |
if (!isGray(c->dstFormat))
|
| 1916 |
memset(dst[plane], 128, dstStride[plane]*height);
|
| 1917 |
} |
| 1918 |
else
|
| 1919 |
{
|
| 1920 |
if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) |
| 1921 |
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); |
| 1922 |
else
|
| 1923 |
{
|
| 1924 |
int i;
|
| 1925 |
uint8_t *srcPtr= src[plane]; |
| 1926 |
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; |
| 1927 |
for (i=0; i<height; i++) |
| 1928 |
{
|
| 1929 |
memcpy(dstPtr, srcPtr, length); |
| 1930 |
srcPtr+= srcStride[plane]; |
| 1931 |
dstPtr+= dstStride[plane]; |
| 1932 |
} |
| 1933 |
} |
| 1934 |
} |
| 1935 |
} |
| 1936 |
return srcSliceH;
|
| 1937 |
} |
| 1938 |
|
| 1939 |
static int gray16togray(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1940 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1941 |
|
| 1942 |
int length= c->srcW;
|
| 1943 |
int y= srcSliceY;
|
| 1944 |
int height= srcSliceH;
|
| 1945 |
int i, j;
|
| 1946 |
uint8_t *srcPtr= src[0];
|
| 1947 |
uint8_t *dstPtr= dst[0] + dstStride[0]*y; |
| 1948 |
|
| 1949 |
if (!isGray(c->dstFormat)){
|
| 1950 |
int height= -((-srcSliceH)>>c->chrDstVSubSample);
|
| 1951 |
memset(dst[1], 128, dstStride[1]*height); |
| 1952 |
memset(dst[2], 128, dstStride[2]*height); |
| 1953 |
} |
| 1954 |
if (c->srcFormat == PIX_FMT_GRAY16LE) srcPtr++;
|
| 1955 |
for (i=0; i<height; i++) |
| 1956 |
{
|
| 1957 |
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; |
| 1958 |
srcPtr+= srcStride[0];
|
| 1959 |
dstPtr+= dstStride[0];
|
| 1960 |
} |
| 1961 |
return srcSliceH;
|
| 1962 |
} |
| 1963 |
|
| 1964 |
static int graytogray16(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1965 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1966 |
|
| 1967 |
int length= c->srcW;
|
| 1968 |
int y= srcSliceY;
|
| 1969 |
int height= srcSliceH;
|
| 1970 |
int i, j;
|
| 1971 |
uint8_t *srcPtr= src[0];
|
| 1972 |
uint8_t *dstPtr= dst[0] + dstStride[0]*y; |
| 1973 |
for (i=0; i<height; i++) |
| 1974 |
{
|
| 1975 |
for (j=0; j<length; j++) |
| 1976 |
{
|
| 1977 |
dstPtr[j<<1] = srcPtr[j];
|
| 1978 |
dstPtr[(j<<1)+1] = srcPtr[j]; |
| 1979 |
} |
| 1980 |
srcPtr+= srcStride[0];
|
| 1981 |
dstPtr+= dstStride[0];
|
| 1982 |
} |
| 1983 |
return srcSliceH;
|
| 1984 |
} |
| 1985 |
|
| 1986 |
static int gray16swap(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 1987 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 1988 |
|
| 1989 |
int length= c->srcW;
|
| 1990 |
int y= srcSliceY;
|
| 1991 |
int height= srcSliceH;
|
| 1992 |
int i, j;
|
| 1993 |
uint16_t *srcPtr= (uint16_t*)src[0];
|
| 1994 |
uint16_t *dstPtr= (uint16_t*)(dst[0] + dstStride[0]*y/2); |
| 1995 |
for (i=0; i<height; i++) |
| 1996 |
{
|
| 1997 |
for (j=0; j<length; j++) dstPtr[j] = bswap_16(srcPtr[j]); |
| 1998 |
srcPtr+= srcStride[0]/2; |
| 1999 |
dstPtr+= dstStride[0]/2; |
| 2000 |
} |
| 2001 |
return srcSliceH;
|
| 2002 |
} |
| 2003 |
|
| 2004 |
|
| 2005 |
static void getSubSampleFactors(int *h, int *v, int format){ |
| 2006 |
switch(format){
|
| 2007 |
case PIX_FMT_UYVY422:
|
| 2008 |
case PIX_FMT_YUYV422:
|
| 2009 |
*h=1;
|
| 2010 |
*v=0;
|
| 2011 |
break;
|
| 2012 |
case PIX_FMT_YUV420P:
|
| 2013 |
case PIX_FMT_YUVA420P:
|
| 2014 |
case PIX_FMT_GRAY16BE:
|
| 2015 |
case PIX_FMT_GRAY16LE:
|
| 2016 |
case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented |
| 2017 |
case PIX_FMT_NV12:
|
| 2018 |
case PIX_FMT_NV21:
|
| 2019 |
*h=1;
|
| 2020 |
*v=1;
|
| 2021 |
break;
|
| 2022 |
case PIX_FMT_YUV440P:
|
| 2023 |
*h=0;
|
| 2024 |
*v=1;
|
| 2025 |
break;
|
| 2026 |
case PIX_FMT_YUV410P:
|
| 2027 |
*h=2;
|
| 2028 |
*v=2;
|
| 2029 |
break;
|
| 2030 |
case PIX_FMT_YUV444P:
|
| 2031 |
*h=0;
|
| 2032 |
*v=0;
|
| 2033 |
break;
|
| 2034 |
case PIX_FMT_YUV422P:
|
| 2035 |
*h=1;
|
| 2036 |
*v=0;
|
| 2037 |
break;
|
| 2038 |
case PIX_FMT_YUV411P:
|
| 2039 |
*h=2;
|
| 2040 |
*v=0;
|
| 2041 |
break;
|
| 2042 |
default:
|
| 2043 |
*h=0;
|
| 2044 |
*v=0;
|
| 2045 |
break;
|
| 2046 |
} |
| 2047 |
} |
| 2048 |
|
| 2049 |
static uint16_t roundToInt16(int64_t f){
|
| 2050 |
int r= (f + (1<<15))>>16; |
| 2051 |
if (r<-0x7FFF) return 0x8000; |
| 2052 |
else if (r> 0x7FFF) return 0x7FFF; |
| 2053 |
else return r; |
| 2054 |
} |
| 2055 |
|
| 2056 |
/**
|
| 2057 |
* @param inv_table the yuv2rgb coeffs, normally Inverse_Table_6_9[x]
|
| 2058 |
* @param fullRange if 1 then the luma range is 0..255 if 0 it is 16..235
|
| 2059 |
* @return -1 if not supported
|
| 2060 |
*/
|
| 2061 |
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ |
| 2062 |
int64_t crv = inv_table[0];
|
| 2063 |
int64_t cbu = inv_table[1];
|
| 2064 |
int64_t cgu = -inv_table[2];
|
| 2065 |
int64_t cgv = -inv_table[3];
|
| 2066 |
int64_t cy = 1<<16; |
| 2067 |
int64_t oy = 0;
|
| 2068 |
|
| 2069 |
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4); |
| 2070 |
memcpy(c->dstColorspaceTable, table, sizeof(int)*4); |
| 2071 |
|
| 2072 |
c->brightness= brightness; |
| 2073 |
c->contrast = contrast; |
| 2074 |
c->saturation= saturation; |
| 2075 |
c->srcRange = srcRange; |
| 2076 |
c->dstRange = dstRange; |
| 2077 |
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return 0; |
| 2078 |
|
| 2079 |
c->uOffset= 0x0400040004000400LL;
|
| 2080 |
c->vOffset= 0x0400040004000400LL;
|
| 2081 |
|
| 2082 |
if (!srcRange){
|
| 2083 |
cy= (cy*255) / 219; |
| 2084 |
oy= 16<<16; |
| 2085 |
}else{
|
| 2086 |
crv= (crv*224) / 255; |
| 2087 |
cbu= (cbu*224) / 255; |
| 2088 |
cgu= (cgu*224) / 255; |
| 2089 |
cgv= (cgv*224) / 255; |
| 2090 |
} |
| 2091 |
|
| 2092 |
cy = (cy *contrast )>>16;
|
| 2093 |
crv= (crv*contrast * saturation)>>32;
|
| 2094 |
cbu= (cbu*contrast * saturation)>>32;
|
| 2095 |
cgu= (cgu*contrast * saturation)>>32;
|
| 2096 |
cgv= (cgv*contrast * saturation)>>32;
|
| 2097 |
|
| 2098 |
oy -= 256*brightness;
|
| 2099 |
|
| 2100 |
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL; |
| 2101 |
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL; |
| 2102 |
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL; |
| 2103 |
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL; |
| 2104 |
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL; |
| 2105 |
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL; |
| 2106 |
|
| 2107 |
c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy <<13);
|
| 2108 |
c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
|
| 2109 |
c->yuv2rgb_v2r_coeff= (int16_t)roundToInt16(crv<<13);
|
| 2110 |
c->yuv2rgb_v2g_coeff= (int16_t)roundToInt16(cgv<<13);
|
| 2111 |
c->yuv2rgb_u2g_coeff= (int16_t)roundToInt16(cgu<<13);
|
| 2112 |
c->yuv2rgb_u2b_coeff= (int16_t)roundToInt16(cbu<<13);
|
| 2113 |
|
| 2114 |
yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); |
| 2115 |
//FIXME factorize
|
| 2116 |
|
| 2117 |
#ifdef COMPILE_ALTIVEC
|
| 2118 |
if (c->flags & SWS_CPU_CAPS_ALTIVEC)
|
| 2119 |
yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation); |
| 2120 |
#endif
|
| 2121 |
return 0; |
| 2122 |
} |
| 2123 |
|
| 2124 |
/**
|
| 2125 |
* @return -1 if not supported
|
| 2126 |
*/
|
| 2127 |
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ |
| 2128 |
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
| 2129 |
|
| 2130 |
*inv_table = c->srcColorspaceTable; |
| 2131 |
*table = c->dstColorspaceTable; |
| 2132 |
*srcRange = c->srcRange; |
| 2133 |
*dstRange = c->dstRange; |
| 2134 |
*brightness= c->brightness; |
| 2135 |
*contrast = c->contrast; |
| 2136 |
*saturation= c->saturation; |
| 2137 |
|
| 2138 |
return 0; |
| 2139 |
} |
| 2140 |
|
| 2141 |
static int handle_jpeg(enum PixelFormat *format) |
| 2142 |
{
|
| 2143 |
switch (*format) {
|
| 2144 |
case PIX_FMT_YUVJ420P:
|
| 2145 |
*format = PIX_FMT_YUV420P; |
| 2146 |
return 1; |
| 2147 |
case PIX_FMT_YUVJ422P:
|
| 2148 |
*format = PIX_FMT_YUV422P; |
| 2149 |
return 1; |
| 2150 |
case PIX_FMT_YUVJ444P:
|
| 2151 |
*format = PIX_FMT_YUV444P; |
| 2152 |
return 1; |
| 2153 |
case PIX_FMT_YUVJ440P:
|
| 2154 |
*format = PIX_FMT_YUV440P; |
| 2155 |
return 1; |
| 2156 |
default:
|
| 2157 |
return 0; |
| 2158 |
} |
| 2159 |
} |
| 2160 |
|
| 2161 |
SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags, |
| 2162 |
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){
|
| 2163 |
|
| 2164 |
SwsContext *c; |
| 2165 |
int i;
|
| 2166 |
int usesVFilter, usesHFilter;
|
| 2167 |
int unscaled, needsDither;
|
| 2168 |
int srcRange, dstRange;
|
| 2169 |
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL};
|
| 2170 |
#if defined(ARCH_X86)
|
| 2171 |
if (flags & SWS_CPU_CAPS_MMX)
|
| 2172 |
__asm__ volatile("emms\n\t"::: "memory"); |
| 2173 |
#endif
|
| 2174 |
|
| 2175 |
#if !defined(RUNTIME_CPUDETECT) || !defined (CONFIG_GPL) //ensure that the flags match the compiled variant if cpudetect is off |
| 2176 |
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN); |
| 2177 |
#ifdef HAVE_MMX2
|
| 2178 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; |
| 2179 |
#elif defined (HAVE_3DNOW)
|
| 2180 |
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; |
| 2181 |
#elif defined (HAVE_MMX)
|
| 2182 |
flags |= SWS_CPU_CAPS_MMX; |
| 2183 |
#elif defined (HAVE_ALTIVEC)
|
| 2184 |
flags |= SWS_CPU_CAPS_ALTIVEC; |
| 2185 |
#elif defined (ARCH_BFIN)
|
| 2186 |
flags |= SWS_CPU_CAPS_BFIN; |
| 2187 |
#endif
|
| 2188 |
#endif /* RUNTIME_CPUDETECT */ |
| 2189 |
if (clip_table[512] != 255) globalInit(); |
| 2190 |
if (!rgb15to16) sws_rgb2rgb_init(flags);
|
| 2191 |
|
| 2192 |
unscaled = (srcW == dstW && srcH == dstH); |
| 2193 |
needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) |
| 2194 |
&& (fmt_depth(dstFormat))<24
|
| 2195 |
&& ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); |
| 2196 |
|
| 2197 |
srcRange = handle_jpeg(&srcFormat); |
| 2198 |
dstRange = handle_jpeg(&dstFormat); |
| 2199 |
|
| 2200 |
if (!isSupportedIn(srcFormat))
|
| 2201 |
{
|
| 2202 |
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat)); |
| 2203 |
return NULL; |
| 2204 |
} |
| 2205 |
if (!isSupportedOut(dstFormat))
|
| 2206 |
{
|
| 2207 |
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat)); |
| 2208 |
return NULL; |
| 2209 |
} |
| 2210 |
|
| 2211 |
i= flags & ( SWS_POINT |
| 2212 |
|SWS_AREA |
| 2213 |
|SWS_BILINEAR |
| 2214 |
|SWS_FAST_BILINEAR |
| 2215 |
|SWS_BICUBIC |
| 2216 |
|SWS_X |
| 2217 |
|SWS_GAUSS |
| 2218 |
|SWS_LANCZOS |
| 2219 |
|SWS_SINC |
| 2220 |
|SWS_SPLINE |
| 2221 |
|SWS_BICUBLIN); |
| 2222 |
if(!i || (i & (i-1))) |
| 2223 |
{
|
| 2224 |
av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be choosen\n"); |
| 2225 |
return NULL; |
| 2226 |
} |
| 2227 |
|
| 2228 |
/* sanity check */
|
| 2229 |
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 |
| 2230 |
{
|
| 2231 |
av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n", |
| 2232 |
srcW, srcH, dstW, dstH); |
| 2233 |
return NULL; |
| 2234 |
} |
| 2235 |
if(srcW > VOFW || dstW > VOFW){
|
| 2236 |
av_log(NULL, AV_LOG_ERROR, "swScaler: Compile time max width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n"); |
| 2237 |
return NULL; |
| 2238 |
} |
| 2239 |
|
| 2240 |
if (!dstFilter) dstFilter= &dummyFilter;
|
| 2241 |
if (!srcFilter) srcFilter= &dummyFilter;
|
| 2242 |
|
| 2243 |
c= av_mallocz(sizeof(SwsContext));
|
| 2244 |
|
| 2245 |
c->av_class = &sws_context_class; |
| 2246 |
c->srcW= srcW; |
| 2247 |
c->srcH= srcH; |
| 2248 |
c->dstW= dstW; |
| 2249 |
c->dstH= dstH; |
| 2250 |
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; |
| 2251 |
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; |
| 2252 |
c->flags= flags; |
| 2253 |
c->dstFormat= dstFormat; |
| 2254 |
c->srcFormat= srcFormat; |
| 2255 |
c->vRounder= 4* 0x0001000100010001ULL; |
| 2256 |
|
| 2257 |
usesHFilter= usesVFilter= 0;
|
| 2258 |
if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1; |
| 2259 |
if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1; |
| 2260 |
if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1; |
| 2261 |
if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1; |
| 2262 |
if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1; |
| 2263 |
if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1; |
| 2264 |
if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1; |
| 2265 |
if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1; |
| 2266 |
|
| 2267 |
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); |
| 2268 |
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); |
| 2269 |
|
| 2270 |
// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
|
| 2271 |
if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; |
| 2272 |
|
| 2273 |
// drop some chroma lines if the user wants it
|
| 2274 |
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; |
| 2275 |
c->chrSrcVSubSample+= c->vChrDrop; |
| 2276 |
|
| 2277 |
// drop every 2. pixel for chroma calculation unless user wants full chroma
|
| 2278 |
if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP)
|
| 2279 |
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8 |
| 2280 |
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4 |
| 2281 |
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE |
| 2282 |
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT))))
|
| 2283 |
c->chrSrcHSubSample=1;
|
| 2284 |
|
| 2285 |
if (param){
|
| 2286 |
c->param[0] = param[0]; |
| 2287 |
c->param[1] = param[1]; |
| 2288 |
}else{
|
| 2289 |
c->param[0] =
|
| 2290 |
c->param[1] = SWS_PARAM_DEFAULT;
|
| 2291 |
} |
| 2292 |
|
| 2293 |
c->chrIntHSubSample= c->chrDstHSubSample; |
| 2294 |
c->chrIntVSubSample= c->chrSrcVSubSample; |
| 2295 |
|
| 2296 |
// Note the -((-x)>>y) is so that we always round toward +inf.
|
| 2297 |
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample); |
| 2298 |
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample); |
| 2299 |
c->chrDstW= -((-dstW) >> c->chrDstHSubSample); |
| 2300 |
c->chrDstH= -((-dstH) >> c->chrDstVSubSample); |
| 2301 |
|
| 2302 |
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); |
| 2303 |
|
| 2304 |
/* unscaled special Cases */
|
| 2305 |
if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat)))
|
| 2306 |
{
|
| 2307 |
/* yv12_to_nv12 */
|
| 2308 |
if (srcFormat == PIX_FMT_YUV420P && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21))
|
| 2309 |
{
|
| 2310 |
c->swScale= PlanarToNV12Wrapper; |
| 2311 |
} |
| 2312 |
#ifdef CONFIG_GPL
|
| 2313 |
/* yuv2bgr */
|
| 2314 |
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P) && (isBGR(dstFormat) || isRGB(dstFormat))
|
| 2315 |
&& !(flags & SWS_ACCURATE_RND) && !(dstH&1))
|
| 2316 |
{
|
| 2317 |
c->swScale= yuv2rgb_get_func_ptr(c); |
| 2318 |
} |
| 2319 |
#endif
|
| 2320 |
|
| 2321 |
if (srcFormat==PIX_FMT_YUV410P && dstFormat==PIX_FMT_YUV420P && !(flags & SWS_BITEXACT))
|
| 2322 |
{
|
| 2323 |
c->swScale= yvu9toyv12Wrapper; |
| 2324 |
} |
| 2325 |
|
| 2326 |
/* bgr24toYV12 */
|
| 2327 |
if (srcFormat==PIX_FMT_BGR24 && dstFormat==PIX_FMT_YUV420P && !(flags & SWS_ACCURATE_RND))
|
| 2328 |
c->swScale= bgr24toyv12Wrapper; |
| 2329 |
|
| 2330 |
/* rgb/bgr -> rgb/bgr (no dither needed forms) */
|
| 2331 |
if ( (isBGR(srcFormat) || isRGB(srcFormat))
|
| 2332 |
&& (isBGR(dstFormat) || isRGB(dstFormat)) |
| 2333 |
&& srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8 |
| 2334 |
&& srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8 |
| 2335 |
&& srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4 |
| 2336 |
&& srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4 |
| 2337 |
&& srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE |
| 2338 |
&& srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE |
| 2339 |
&& srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK |
| 2340 |
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE |
| 2341 |
&& dstFormat != PIX_FMT_RGB32_1 |
| 2342 |
&& dstFormat != PIX_FMT_BGR32_1 |
| 2343 |
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) |
| 2344 |
c->swScale= rgb2rgbWrapper; |
| 2345 |
|
| 2346 |
if ((usePal(srcFormat) && (
|
| 2347 |
dstFormat == PIX_FMT_RGB32 || |
| 2348 |
dstFormat == PIX_FMT_RGB32_1 || |
| 2349 |
dstFormat == PIX_FMT_RGB24 || |
| 2350 |
dstFormat == PIX_FMT_BGR32 || |
| 2351 |
dstFormat == PIX_FMT_BGR32_1 || |
| 2352 |
dstFormat == PIX_FMT_BGR24))) |
| 2353 |
c->swScale= pal2rgbWrapper; |
| 2354 |
|
| 2355 |
if (srcFormat == PIX_FMT_YUV422P)
|
| 2356 |
{
|
| 2357 |
if (dstFormat == PIX_FMT_YUYV422)
|
| 2358 |
c->swScale= YUV422PToYuy2Wrapper; |
| 2359 |
else if (dstFormat == PIX_FMT_UYVY422) |
| 2360 |
c->swScale= YUV422PToUyvyWrapper; |
| 2361 |
} |
| 2362 |
|
| 2363 |
/* LQ converters if -sws 0 or -sws 4*/
|
| 2364 |
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
|
| 2365 |
/* yv12_to_yuy2 */
|
| 2366 |
if (srcFormat == PIX_FMT_YUV420P)
|
| 2367 |
{
|
| 2368 |
if (dstFormat == PIX_FMT_YUYV422)
|
| 2369 |
c->swScale= PlanarToYuy2Wrapper; |
| 2370 |
else if (dstFormat == PIX_FMT_UYVY422) |
| 2371 |
c->swScale= PlanarToUyvyWrapper; |
| 2372 |
} |
| 2373 |
} |
| 2374 |
|
| 2375 |
#ifdef COMPILE_ALTIVEC
|
| 2376 |
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) &&
|
| 2377 |
srcFormat == PIX_FMT_YUV420P) {
|
| 2378 |
// unscaled YV12 -> packed YUV, we want speed
|
| 2379 |
if (dstFormat == PIX_FMT_YUYV422)
|
| 2380 |
c->swScale= yv12toyuy2_unscaled_altivec; |
| 2381 |
else if (dstFormat == PIX_FMT_UYVY422) |
| 2382 |
c->swScale= yv12touyvy_unscaled_altivec; |
| 2383 |
} |
| 2384 |
#endif
|
| 2385 |
|
| 2386 |
/* simple copy */
|
| 2387 |
if ( srcFormat == dstFormat
|
| 2388 |
|| (isPlanarYUV(srcFormat) && isGray(dstFormat)) |
| 2389 |
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))) |
| 2390 |
{
|
| 2391 |
if (isPacked(c->srcFormat))
|
| 2392 |
c->swScale= packedCopy; |
| 2393 |
else /* Planar YUV or gray */ |
| 2394 |
c->swScale= planarCopy; |
| 2395 |
} |
| 2396 |
|
| 2397 |
/* gray16{le,be} conversions */
|
| 2398 |
if (isGray16(srcFormat) && (isPlanarYUV(dstFormat) || (dstFormat == PIX_FMT_GRAY8)))
|
| 2399 |
{
|
| 2400 |
c->swScale= gray16togray; |
| 2401 |
} |
| 2402 |
if ((isPlanarYUV(srcFormat) || (srcFormat == PIX_FMT_GRAY8)) && isGray16(dstFormat))
|
| 2403 |
{
|
| 2404 |
c->swScale= graytogray16; |
| 2405 |
} |
| 2406 |
if (srcFormat != dstFormat && isGray16(srcFormat) && isGray16(dstFormat))
|
| 2407 |
{
|
| 2408 |
c->swScale= gray16swap; |
| 2409 |
} |
| 2410 |
|
| 2411 |
#ifdef ARCH_BFIN
|
| 2412 |
if (flags & SWS_CPU_CAPS_BFIN)
|
| 2413 |
ff_bfin_get_unscaled_swscale (c); |
| 2414 |
#endif
|
| 2415 |
|
| 2416 |
if (c->swScale){
|
| 2417 |
if (flags&SWS_PRINT_INFO)
|
| 2418 |
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
|
| 2419 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 2420 |
return c;
|
| 2421 |
} |
| 2422 |
} |
| 2423 |
|
| 2424 |
if (flags & SWS_CPU_CAPS_MMX2)
|
| 2425 |
{
|
| 2426 |
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; |
| 2427 |
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) |
| 2428 |
{
|
| 2429 |
if (flags&SWS_PRINT_INFO)
|
| 2430 |
av_log(c, AV_LOG_INFO, "output Width is not a multiple of 32 -> no MMX2 scaler\n");
|
| 2431 |
} |
| 2432 |
if (usesHFilter) c->canMMX2BeUsed=0; |
| 2433 |
} |
| 2434 |
else
|
| 2435 |
c->canMMX2BeUsed=0;
|
| 2436 |
|
| 2437 |
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; |
| 2438 |
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; |
| 2439 |
|
| 2440 |
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst
|
| 2441 |
// but only for the FAST_BILINEAR mode otherwise do correct scaling
|
| 2442 |
// n-2 is the last chrominance sample available
|
| 2443 |
// this is not perfect, but no one should notice the difference, the more correct variant
|
| 2444 |
// would be like the vertical one, but that would require some special code for the
|
| 2445 |
// first and last pixel
|
| 2446 |
if (flags&SWS_FAST_BILINEAR)
|
| 2447 |
{
|
| 2448 |
if (c->canMMX2BeUsed)
|
| 2449 |
{
|
| 2450 |
c->lumXInc+= 20;
|
| 2451 |
c->chrXInc+= 20;
|
| 2452 |
} |
| 2453 |
//we don't use the x86asm scaler if mmx is available
|
| 2454 |
else if (flags & SWS_CPU_CAPS_MMX) |
| 2455 |
{
|
| 2456 |
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; |
| 2457 |
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; |
| 2458 |
} |
| 2459 |
} |
| 2460 |
|
| 2461 |
/* precalculate horizontal scaler filter coefficients */
|
| 2462 |
{
|
| 2463 |
const int filterAlign= |
| 2464 |
(flags & SWS_CPU_CAPS_MMX) ? 4 :
|
| 2465 |
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
| 2466 |
1;
|
| 2467 |
|
| 2468 |
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, |
| 2469 |
srcW , dstW, filterAlign, 1<<14, |
| 2470 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
| 2471 |
srcFilter->lumH, dstFilter->lumH, c->param); |
| 2472 |
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, |
| 2473 |
c->chrSrcW, c->chrDstW, filterAlign, 1<<14, |
| 2474 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
| 2475 |
srcFilter->chrH, dstFilter->chrH, c->param); |
| 2476 |
|
| 2477 |
#define MAX_FUNNY_CODE_SIZE 10000 |
| 2478 |
#if defined(COMPILE_MMX2)
|
| 2479 |
// can't downscale !!!
|
| 2480 |
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
|
| 2481 |
{
|
| 2482 |
#ifdef MAP_ANONYMOUS
|
| 2483 |
c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| 2484 |
c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
| 2485 |
#else
|
| 2486 |
c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
| 2487 |
c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
| 2488 |
#endif
|
| 2489 |
|
| 2490 |
c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); |
| 2491 |
c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t)); |
| 2492 |
c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); |
| 2493 |
c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); |
| 2494 |
|
| 2495 |
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
|
| 2496 |
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
|
| 2497 |
} |
| 2498 |
#endif /* defined(COMPILE_MMX2) */ |
| 2499 |
} // Init Horizontal stuff
|
| 2500 |
|
| 2501 |
|
| 2502 |
|
| 2503 |
/* precalculate vertical scaler filter coefficients */
|
| 2504 |
{
|
| 2505 |
const int filterAlign= |
| 2506 |
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 :
|
| 2507 |
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
|
| 2508 |
1;
|
| 2509 |
|
| 2510 |
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, |
| 2511 |
srcH , dstH, filterAlign, (1<<12), |
| 2512 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
| 2513 |
srcFilter->lumV, dstFilter->lumV, c->param); |
| 2514 |
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, |
| 2515 |
c->chrSrcH, c->chrDstH, filterAlign, (1<<12), |
| 2516 |
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
| 2517 |
srcFilter->chrV, dstFilter->chrV, c->param); |
| 2518 |
|
| 2519 |
#ifdef HAVE_ALTIVEC
|
| 2520 |
c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH); |
| 2521 |
c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH); |
| 2522 |
|
| 2523 |
for (i=0;i<c->vLumFilterSize*c->dstH;i++) { |
| 2524 |
int j;
|
| 2525 |
short *p = (short *)&c->vYCoeffsBank[i]; |
| 2526 |
for (j=0;j<8;j++) |
| 2527 |
p[j] = c->vLumFilter[i]; |
| 2528 |
} |
| 2529 |
|
| 2530 |
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) { |
| 2531 |
int j;
|
| 2532 |
short *p = (short *)&c->vCCoeffsBank[i]; |
| 2533 |
for (j=0;j<8;j++) |
| 2534 |
p[j] = c->vChrFilter[i]; |
| 2535 |
} |
| 2536 |
#endif
|
| 2537 |
} |
| 2538 |
|
| 2539 |
// Calculate Buffer Sizes so that they won't run out while handling these damn slices
|
| 2540 |
c->vLumBufSize= c->vLumFilterSize; |
| 2541 |
c->vChrBufSize= c->vChrFilterSize; |
| 2542 |
for (i=0; i<dstH; i++) |
| 2543 |
{
|
| 2544 |
int chrI= i*c->chrDstH / dstH;
|
| 2545 |
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, |
| 2546 |
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
|
| 2547 |
|
| 2548 |
nextSlice>>= c->chrSrcVSubSample; |
| 2549 |
nextSlice<<= c->chrSrcVSubSample; |
| 2550 |
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice)
|
| 2551 |
c->vLumBufSize= nextSlice - c->vLumFilterPos[i]; |
| 2552 |
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
|
| 2553 |
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI]; |
| 2554 |
} |
| 2555 |
|
| 2556 |
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
|
| 2557 |
c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); |
| 2558 |
c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*)); |
| 2559 |
//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)
|
| 2560 |
/* align at 16 bytes for AltiVec */
|
| 2561 |
for (i=0; i<c->vLumBufSize; i++) |
| 2562 |
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1);
|
| 2563 |
for (i=0; i<c->vChrBufSize; i++) |
| 2564 |
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc((VOF+1)*2); |
| 2565 |
|
| 2566 |
//try to avoid drawing green stuff between the right end and the stride end
|
| 2567 |
for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2); |
| 2568 |
|
| 2569 |
assert(2*VOFW == VOF);
|
| 2570 |
|
| 2571 |
assert(c->chrDstH <= dstH); |
| 2572 |
|
| 2573 |
if (flags&SWS_PRINT_INFO)
|
| 2574 |
{
|
| 2575 |
#ifdef DITHER1XBPP
|
| 2576 |
const char *dither= " dithered"; |
| 2577 |
#else
|
| 2578 |
const char *dither= ""; |
| 2579 |
#endif
|
| 2580 |
if (flags&SWS_FAST_BILINEAR)
|
| 2581 |
av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, ");
|
| 2582 |
else if (flags&SWS_BILINEAR) |
| 2583 |
av_log(c, AV_LOG_INFO, "BILINEAR scaler, ");
|
| 2584 |
else if (flags&SWS_BICUBIC) |
| 2585 |
av_log(c, AV_LOG_INFO, "BICUBIC scaler, ");
|
| 2586 |
else if (flags&SWS_X) |
| 2587 |
av_log(c, AV_LOG_INFO, "Experimental scaler, ");
|
| 2588 |
else if (flags&SWS_POINT) |
| 2589 |
av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
|
| 2590 |
else if (flags&SWS_AREA) |
| 2591 |
av_log(c, AV_LOG_INFO, "Area Averageing scaler, ");
|
| 2592 |
else if (flags&SWS_BICUBLIN) |
| 2593 |
av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
|
| 2594 |
else if (flags&SWS_GAUSS) |
| 2595 |
av_log(c, AV_LOG_INFO, "Gaussian scaler, ");
|
| 2596 |
else if (flags&SWS_SINC) |
| 2597 |
av_log(c, AV_LOG_INFO, "Sinc scaler, ");
|
| 2598 |
else if (flags&SWS_LANCZOS) |
| 2599 |
av_log(c, AV_LOG_INFO, "Lanczos scaler, ");
|
| 2600 |
else if (flags&SWS_SPLINE) |
| 2601 |
av_log(c, AV_LOG_INFO, "Bicubic spline scaler, ");
|
| 2602 |
else
|
| 2603 |
av_log(c, AV_LOG_INFO, "ehh flags invalid?! ");
|
| 2604 |
|
| 2605 |
if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565)
|
| 2606 |
av_log(c, AV_LOG_INFO, "from %s to%s %s ",
|
| 2607 |
sws_format_name(srcFormat), dither, sws_format_name(dstFormat)); |
| 2608 |
else
|
| 2609 |
av_log(c, AV_LOG_INFO, "from %s to %s ",
|
| 2610 |
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
| 2611 |
|
| 2612 |
if (flags & SWS_CPU_CAPS_MMX2)
|
| 2613 |
av_log(c, AV_LOG_INFO, "using MMX2\n");
|
| 2614 |
else if (flags & SWS_CPU_CAPS_3DNOW) |
| 2615 |
av_log(c, AV_LOG_INFO, "using 3DNOW\n");
|
| 2616 |
else if (flags & SWS_CPU_CAPS_MMX) |
| 2617 |
av_log(c, AV_LOG_INFO, "using MMX\n");
|
| 2618 |
else if (flags & SWS_CPU_CAPS_ALTIVEC) |
| 2619 |
av_log(c, AV_LOG_INFO, "using AltiVec\n");
|
| 2620 |
else
|
| 2621 |
av_log(c, AV_LOG_INFO, "using C\n");
|
| 2622 |
} |
| 2623 |
|
| 2624 |
if (flags & SWS_PRINT_INFO)
|
| 2625 |
{
|
| 2626 |
if (flags & SWS_CPU_CAPS_MMX)
|
| 2627 |
{
|
| 2628 |
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
|
| 2629 |
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
|
| 2630 |
else
|
| 2631 |
{
|
| 2632 |
if (c->hLumFilterSize==4) |
| 2633 |
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n");
|
| 2634 |
else if (c->hLumFilterSize==8) |
| 2635 |
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n");
|
| 2636 |
else
|
| 2637 |
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n");
|
| 2638 |
|
| 2639 |
if (c->hChrFilterSize==4) |
| 2640 |
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2641 |
else if (c->hChrFilterSize==8) |
| 2642 |
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2643 |
else
|
| 2644 |
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n");
|
| 2645 |
} |
| 2646 |
} |
| 2647 |
else
|
| 2648 |
{
|
| 2649 |
#if defined(ARCH_X86)
|
| 2650 |
av_log(c, AV_LOG_VERBOSE, "using X86-Asm scaler for horizontal scaling\n");
|
| 2651 |
#else
|
| 2652 |
if (flags & SWS_FAST_BILINEAR)
|
| 2653 |
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n");
|
| 2654 |
else
|
| 2655 |
av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n");
|
| 2656 |
#endif
|
| 2657 |
} |
| 2658 |
if (isPlanarYUV(dstFormat))
|
| 2659 |
{
|
| 2660 |
if (c->vLumFilterSize==1) |
| 2661 |
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2662 |
else
|
| 2663 |
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2664 |
} |
| 2665 |
else
|
| 2666 |
{
|
| 2667 |
if (c->vLumFilterSize==1 && c->vChrFilterSize==2) |
| 2668 |
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
|
| 2669 |
" 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2670 |
else if (c->vLumFilterSize==2 && c->vChrFilterSize==2) |
| 2671 |
av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2672 |
else
|
| 2673 |
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2674 |
} |
| 2675 |
|
| 2676 |
if (dstFormat==PIX_FMT_BGR24)
|
| 2677 |
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 Converter\n",
|
| 2678 |
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C")); |
| 2679 |
else if (dstFormat==PIX_FMT_RGB32) |
| 2680 |
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2681 |
else if (dstFormat==PIX_FMT_BGR565) |
| 2682 |
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2683 |
else if (dstFormat==PIX_FMT_BGR555) |
| 2684 |
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 Converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
| 2685 |
|
| 2686 |
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
| 2687 |
} |
| 2688 |
if (flags & SWS_PRINT_INFO)
|
| 2689 |
{
|
| 2690 |
av_log(c, AV_LOG_DEBUG, "Lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
| 2691 |
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); |
| 2692 |
av_log(c, AV_LOG_DEBUG, "Chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
|
| 2693 |
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc); |
| 2694 |
} |
| 2695 |
|
| 2696 |
c->swScale= getSwsFunc(flags); |
| 2697 |
return c;
|
| 2698 |
} |
| 2699 |
|
| 2700 |
/**
|
| 2701 |
* swscale wrapper, so we don't need to export the SwsContext.
|
| 2702 |
* assumes planar YUV to be in YUV order instead of YVU
|
| 2703 |
*/
|
| 2704 |
int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 2705 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 2706 |
int i;
|
| 2707 |
uint8_t* src2[4]= {src[0], src[1], src[2]}; |
| 2708 |
|
| 2709 |
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { |
| 2710 |
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
|
| 2711 |
return 0; |
| 2712 |
} |
| 2713 |
if (c->sliceDir == 0) { |
| 2714 |
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; |
| 2715 |
} |
| 2716 |
|
| 2717 |
if (usePal(c->srcFormat)){
|
| 2718 |
for (i=0; i<256; i++){ |
| 2719 |
int p, r, g, b,y,u,v;
|
| 2720 |
if(c->srcFormat == PIX_FMT_PAL8){
|
| 2721 |
p=((uint32_t*)(src[1]))[i];
|
| 2722 |
r= (p>>16)&0xFF; |
| 2723 |
g= (p>> 8)&0xFF; |
| 2724 |
b= p &0xFF;
|
| 2725 |
}else if(c->srcFormat == PIX_FMT_RGB8){ |
| 2726 |
r= (i>>5 )*36; |
| 2727 |
g= ((i>>2)&7)*36; |
| 2728 |
b= (i&3 )*85; |
| 2729 |
}else if(c->srcFormat == PIX_FMT_BGR8){ |
| 2730 |
b= (i>>6 )*85; |
| 2731 |
g= ((i>>3)&7)*36; |
| 2732 |
r= (i&7 )*36; |
| 2733 |
}else if(c->srcFormat == PIX_FMT_RGB4_BYTE){ |
| 2734 |
r= (i>>3 )*255; |
| 2735 |
g= ((i>>1)&3)*85; |
| 2736 |
b= (i&1 )*255; |
| 2737 |
}else {
|
| 2738 |
assert(c->srcFormat == PIX_FMT_BGR4_BYTE); |
| 2739 |
b= (i>>3 )*255; |
| 2740 |
g= ((i>>1)&3)*85; |
| 2741 |
r= (i&1 )*255; |
| 2742 |
} |
| 2743 |
y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
| 2744 |
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
| 2745 |
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
| 2746 |
c->pal_yuv[i]= y + (u<<8) + (v<<16); |
| 2747 |
|
| 2748 |
|
| 2749 |
switch(c->dstFormat) {
|
| 2750 |
case PIX_FMT_BGR32:
|
| 2751 |
#ifndef WORDS_BIGENDIAN
|
| 2752 |
case PIX_FMT_RGB24:
|
| 2753 |
#endif
|
| 2754 |
c->pal_rgb[i]= r + (g<<8) + (b<<16); |
| 2755 |
break;
|
| 2756 |
case PIX_FMT_BGR32_1:
|
| 2757 |
#ifdef WORDS_BIGENDIAN
|
| 2758 |
case PIX_FMT_BGR24:
|
| 2759 |
#endif
|
| 2760 |
c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; |
| 2761 |
break;
|
| 2762 |
case PIX_FMT_RGB32_1:
|
| 2763 |
#ifdef WORDS_BIGENDIAN
|
| 2764 |
case PIX_FMT_RGB24:
|
| 2765 |
#endif
|
| 2766 |
c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; |
| 2767 |
break;
|
| 2768 |
case PIX_FMT_RGB32:
|
| 2769 |
#ifndef WORDS_BIGENDIAN
|
| 2770 |
case PIX_FMT_BGR24:
|
| 2771 |
#endif
|
| 2772 |
default:
|
| 2773 |
c->pal_rgb[i]= b + (g<<8) + (r<<16); |
| 2774 |
} |
| 2775 |
} |
| 2776 |
} |
| 2777 |
|
| 2778 |
// copy strides, so they can safely be modified
|
| 2779 |
if (c->sliceDir == 1) { |
| 2780 |
// slices go from top to bottom
|
| 2781 |
int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2]}; |
| 2782 |
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2]}; |
| 2783 |
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst, dstStride2);
|
| 2784 |
} else {
|
| 2785 |
// slices go from bottom to top => we flip the image internally
|
| 2786 |
uint8_t* dst2[4]= {dst[0] + (c->dstH-1)*dstStride[0], |
| 2787 |
dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1], |
| 2788 |
dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]}; |
| 2789 |
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2]}; |
| 2790 |
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2]}; |
| 2791 |
|
| 2792 |
src2[0] += (srcSliceH-1)*srcStride[0]; |
| 2793 |
if (!usePal(c->srcFormat))
|
| 2794 |
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; |
| 2795 |
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; |
| 2796 |
|
| 2797 |
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
|
| 2798 |
} |
| 2799 |
} |
| 2800 |
|
| 2801 |
/**
|
| 2802 |
* swscale wrapper, so we don't need to export the SwsContext
|
| 2803 |
*/
|
| 2804 |
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
| 2805 |
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
| 2806 |
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
|
| 2807 |
} |
| 2808 |
|
| 2809 |
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, |
| 2810 |
float lumaSharpen, float chromaSharpen, |
| 2811 |
float chromaHShift, float chromaVShift, |
| 2812 |
int verbose)
|
| 2813 |
{
|
| 2814 |
SwsFilter *filter= av_malloc(sizeof(SwsFilter));
|
| 2815 |
|
| 2816 |
if (lumaGBlur!=0.0){ |
| 2817 |
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); |
| 2818 |
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); |
| 2819 |
}else{
|
| 2820 |
filter->lumH= sws_getIdentityVec(); |
| 2821 |
filter->lumV= sws_getIdentityVec(); |
| 2822 |
} |
| 2823 |
|
| 2824 |
if (chromaGBlur!=0.0){ |
| 2825 |
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); |
| 2826 |
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); |
| 2827 |
}else{
|
| 2828 |
filter->chrH= sws_getIdentityVec(); |
| 2829 |
filter->chrV= sws_getIdentityVec(); |
| 2830 |
} |
| 2831 |
|
| 2832 |
if (chromaSharpen!=0.0){ |
| 2833 |
SwsVector *id= sws_getIdentityVec(); |
| 2834 |
sws_scaleVec(filter->chrH, -chromaSharpen); |
| 2835 |
sws_scaleVec(filter->chrV, -chromaSharpen); |
| 2836 |
sws_addVec(filter->chrH, id); |
| 2837 |
sws_addVec(filter->chrV, id); |
| 2838 |
sws_freeVec(id); |
| 2839 |
} |
| 2840 |
|
| 2841 |
if (lumaSharpen!=0.0){ |
| 2842 |
SwsVector *id= sws_getIdentityVec(); |
| 2843 |
sws_scaleVec(filter->lumH, -lumaSharpen); |
| 2844 |
sws_scaleVec(filter->lumV, -lumaSharpen); |
| 2845 |
sws_addVec(filter->lumH, id); |
| 2846 |
sws_addVec(filter->lumV, id); |
| 2847 |
sws_freeVec(id); |
| 2848 |
} |
| 2849 |
|
| 2850 |
if (chromaHShift != 0.0) |
| 2851 |
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5)); |
| 2852 |
|
| 2853 |
if (chromaVShift != 0.0) |
| 2854 |
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5)); |
| 2855 |
|
| 2856 |
sws_normalizeVec(filter->chrH, 1.0); |
| 2857 |
sws_normalizeVec(filter->chrV, 1.0); |
| 2858 |
sws_normalizeVec(filter->lumH, 1.0); |
| 2859 |
sws_normalizeVec(filter->lumV, 1.0); |
| 2860 |
|
| 2861 |
if (verbose) sws_printVec(filter->chrH);
|
| 2862 |
if (verbose) sws_printVec(filter->lumH);
|
| 2863 |
|
| 2864 |
return filter;
|
| 2865 |
} |
| 2866 |
|
| 2867 |
/**
|
| 2868 |
* returns a normalized gaussian curve used to filter stuff
|
| 2869 |
* quality=3 is high quality, lowwer is lowwer quality
|
| 2870 |
*/
|
| 2871 |
SwsVector *sws_getGaussianVec(double variance, double quality){ |
| 2872 |
const int length= (int)(variance*quality + 0.5) | 1; |
| 2873 |
int i;
|
| 2874 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2875 |
double middle= (length-1)*0.5; |
| 2876 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2877 |
|
| 2878 |
vec->coeff= coeff; |
| 2879 |
vec->length= length; |
| 2880 |
|
| 2881 |
for (i=0; i<length; i++) |
| 2882 |
{
|
| 2883 |
double dist= i-middle;
|
| 2884 |
coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI); |
| 2885 |
} |
| 2886 |
|
| 2887 |
sws_normalizeVec(vec, 1.0); |
| 2888 |
|
| 2889 |
return vec;
|
| 2890 |
} |
| 2891 |
|
| 2892 |
SwsVector *sws_getConstVec(double c, int length){ |
| 2893 |
int i;
|
| 2894 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2895 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2896 |
|
| 2897 |
vec->coeff= coeff; |
| 2898 |
vec->length= length; |
| 2899 |
|
| 2900 |
for (i=0; i<length; i++) |
| 2901 |
coeff[i]= c; |
| 2902 |
|
| 2903 |
return vec;
|
| 2904 |
} |
| 2905 |
|
| 2906 |
|
| 2907 |
SwsVector *sws_getIdentityVec(void){
|
| 2908 |
return sws_getConstVec(1.0, 1); |
| 2909 |
} |
| 2910 |
|
| 2911 |
double sws_dcVec(SwsVector *a){
|
| 2912 |
int i;
|
| 2913 |
double sum=0; |
| 2914 |
|
| 2915 |
for (i=0; i<a->length; i++) |
| 2916 |
sum+= a->coeff[i]; |
| 2917 |
|
| 2918 |
return sum;
|
| 2919 |
} |
| 2920 |
|
| 2921 |
void sws_scaleVec(SwsVector *a, double scalar){ |
| 2922 |
int i;
|
| 2923 |
|
| 2924 |
for (i=0; i<a->length; i++) |
| 2925 |
a->coeff[i]*= scalar; |
| 2926 |
} |
| 2927 |
|
| 2928 |
void sws_normalizeVec(SwsVector *a, double height){ |
| 2929 |
sws_scaleVec(a, height/sws_dcVec(a)); |
| 2930 |
} |
| 2931 |
|
| 2932 |
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){
|
| 2933 |
int length= a->length + b->length - 1; |
| 2934 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2935 |
int i, j;
|
| 2936 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2937 |
|
| 2938 |
vec->coeff= coeff; |
| 2939 |
vec->length= length; |
| 2940 |
|
| 2941 |
for (i=0; i<length; i++) coeff[i]= 0.0; |
| 2942 |
|
| 2943 |
for (i=0; i<a->length; i++) |
| 2944 |
{
|
| 2945 |
for (j=0; j<b->length; j++) |
| 2946 |
{
|
| 2947 |
coeff[i+j]+= a->coeff[i]*b->coeff[j]; |
| 2948 |
} |
| 2949 |
} |
| 2950 |
|
| 2951 |
return vec;
|
| 2952 |
} |
| 2953 |
|
| 2954 |
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){
|
| 2955 |
int length= FFMAX(a->length, b->length);
|
| 2956 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2957 |
int i;
|
| 2958 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2959 |
|
| 2960 |
vec->coeff= coeff; |
| 2961 |
vec->length= length; |
| 2962 |
|
| 2963 |
for (i=0; i<length; i++) coeff[i]= 0.0; |
| 2964 |
|
| 2965 |
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
| 2966 |
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; |
| 2967 |
|
| 2968 |
return vec;
|
| 2969 |
} |
| 2970 |
|
| 2971 |
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
|
| 2972 |
int length= FFMAX(a->length, b->length);
|
| 2973 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2974 |
int i;
|
| 2975 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2976 |
|
| 2977 |
vec->coeff= coeff; |
| 2978 |
vec->length= length; |
| 2979 |
|
| 2980 |
for (i=0; i<length; i++) coeff[i]= 0.0; |
| 2981 |
|
| 2982 |
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
| 2983 |
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i]; |
| 2984 |
|
| 2985 |
return vec;
|
| 2986 |
} |
| 2987 |
|
| 2988 |
/* shift left / or right if "shift" is negative */
|
| 2989 |
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ |
| 2990 |
int length= a->length + FFABS(shift)*2; |
| 2991 |
double *coeff= av_malloc(length*sizeof(double)); |
| 2992 |
int i;
|
| 2993 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 2994 |
|
| 2995 |
vec->coeff= coeff; |
| 2996 |
vec->length= length; |
| 2997 |
|
| 2998 |
for (i=0; i<length; i++) coeff[i]= 0.0; |
| 2999 |
|
| 3000 |
for (i=0; i<a->length; i++) |
| 3001 |
{
|
| 3002 |
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; |
| 3003 |
} |
| 3004 |
|
| 3005 |
return vec;
|
| 3006 |
} |
| 3007 |
|
| 3008 |
void sws_shiftVec(SwsVector *a, int shift){ |
| 3009 |
SwsVector *shifted= sws_getShiftedVec(a, shift); |
| 3010 |
av_free(a->coeff); |
| 3011 |
a->coeff= shifted->coeff; |
| 3012 |
a->length= shifted->length; |
| 3013 |
av_free(shifted); |
| 3014 |
} |
| 3015 |
|
| 3016 |
void sws_addVec(SwsVector *a, SwsVector *b){
|
| 3017 |
SwsVector *sum= sws_sumVec(a, b); |
| 3018 |
av_free(a->coeff); |
| 3019 |
a->coeff= sum->coeff; |
| 3020 |
a->length= sum->length; |
| 3021 |
av_free(sum); |
| 3022 |
} |
| 3023 |
|
| 3024 |
void sws_subVec(SwsVector *a, SwsVector *b){
|
| 3025 |
SwsVector *diff= sws_diffVec(a, b); |
| 3026 |
av_free(a->coeff); |
| 3027 |
a->coeff= diff->coeff; |
| 3028 |
a->length= diff->length; |
| 3029 |
av_free(diff); |
| 3030 |
} |
| 3031 |
|
| 3032 |
void sws_convVec(SwsVector *a, SwsVector *b){
|
| 3033 |
SwsVector *conv= sws_getConvVec(a, b); |
| 3034 |
av_free(a->coeff); |
| 3035 |
a->coeff= conv->coeff; |
| 3036 |
a->length= conv->length; |
| 3037 |
av_free(conv); |
| 3038 |
} |
| 3039 |
|
| 3040 |
SwsVector *sws_cloneVec(SwsVector *a){
|
| 3041 |
double *coeff= av_malloc(a->length*sizeof(double)); |
| 3042 |
int i;
|
| 3043 |
SwsVector *vec= av_malloc(sizeof(SwsVector));
|
| 3044 |
|
| 3045 |
vec->coeff= coeff; |
| 3046 |
vec->length= a->length; |
| 3047 |
|
| 3048 |
for (i=0; i<a->length; i++) coeff[i]= a->coeff[i]; |
| 3049 |
|
| 3050 |
return vec;
|
| 3051 |
} |
| 3052 |
|
| 3053 |
void sws_printVec(SwsVector *a){
|
| 3054 |
int i;
|
| 3055 |
double max=0; |
| 3056 |
double min=0; |
| 3057 |
double range;
|
| 3058 |
|
| 3059 |
for (i=0; i<a->length; i++) |
| 3060 |
if (a->coeff[i]>max) max= a->coeff[i];
|
| 3061 |
|
| 3062 |
for (i=0; i<a->length; i++) |
| 3063 |
if (a->coeff[i]<min) min= a->coeff[i];
|
| 3064 |
|
| 3065 |
range= max - min; |
| 3066 |
|
| 3067 |
for (i=0; i<a->length; i++) |
| 3068 |
{
|
| 3069 |
int x= (int)((a->coeff[i]-min)*60.0/range +0.5); |
| 3070 |
av_log(NULL, AV_LOG_DEBUG, "%1.3f ", a->coeff[i]); |
| 3071 |
for (;x>0; x--) av_log(NULL, AV_LOG_DEBUG, " "); |
| 3072 |
av_log(NULL, AV_LOG_DEBUG, "|\n"); |
| 3073 |
} |
| 3074 |
} |
| 3075 |
|
| 3076 |
void sws_freeVec(SwsVector *a){
|
| 3077 |
if (!a) return; |
| 3078 |
av_freep(&a->coeff); |
| 3079 |
a->length=0;
|
| 3080 |
av_free(a); |
| 3081 |
} |
| 3082 |
|
| 3083 |
void sws_freeFilter(SwsFilter *filter){
|
| 3084 |
if (!filter) return; |
| 3085 |
|
| 3086 |
if (filter->lumH) sws_freeVec(filter->lumH);
|
| 3087 |
if (filter->lumV) sws_freeVec(filter->lumV);
|
| 3088 |
if (filter->chrH) sws_freeVec(filter->chrH);
|
| 3089 |
if (filter->chrV) sws_freeVec(filter->chrV);
|
| 3090 |
av_free(filter); |
| 3091 |
} |
| 3092 |
|
| 3093 |
|
| 3094 |
void sws_freeContext(SwsContext *c){
|
| 3095 |
int i;
|
| 3096 |
if (!c) return; |
| 3097 |
|
| 3098 |
if (c->lumPixBuf)
|
| 3099 |
{
|
| 3100 |
for (i=0; i<c->vLumBufSize; i++) |
| 3101 |
av_freep(&c->lumPixBuf[i]); |
| 3102 |
av_freep(&c->lumPixBuf); |
| 3103 |
} |
| 3104 |
|
| 3105 |
if (c->chrPixBuf)
|
| 3106 |
{
|
| 3107 |
for (i=0; i<c->vChrBufSize; i++) |
| 3108 |
av_freep(&c->chrPixBuf[i]); |
| 3109 |
av_freep(&c->chrPixBuf); |
| 3110 |
} |
| 3111 |
|
| 3112 |
av_freep(&c->vLumFilter); |
| 3113 |
av_freep(&c->vChrFilter); |
| 3114 |
av_freep(&c->hLumFilter); |
| 3115 |
av_freep(&c->hChrFilter); |
| 3116 |
#ifdef HAVE_ALTIVEC
|
| 3117 |
av_freep(&c->vYCoeffsBank); |
| 3118 |
av_freep(&c->vCCoeffsBank); |
| 3119 |
#endif
|
| 3120 |
|
| 3121 |
av_freep(&c->vLumFilterPos); |
| 3122 |
av_freep(&c->vChrFilterPos); |
| 3123 |
av_freep(&c->hLumFilterPos); |
| 3124 |
av_freep(&c->hChrFilterPos); |
| 3125 |
|
| 3126 |
#if defined(ARCH_X86) && defined(CONFIG_GPL)
|
| 3127 |
#ifdef MAP_ANONYMOUS
|
| 3128 |
if (c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE);
|
| 3129 |
if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE);
|
| 3130 |
#else
|
| 3131 |
av_free(c->funnyYCode); |
| 3132 |
av_free(c->funnyUVCode); |
| 3133 |
#endif
|
| 3134 |
c->funnyYCode=NULL;
|
| 3135 |
c->funnyUVCode=NULL;
|
| 3136 |
#endif /* defined(ARCH_X86) */ |
| 3137 |
|
| 3138 |
av_freep(&c->lumMmx2Filter); |
| 3139 |
av_freep(&c->chrMmx2Filter); |
| 3140 |
av_freep(&c->lumMmx2FilterPos); |
| 3141 |
av_freep(&c->chrMmx2FilterPos); |
| 3142 |
av_freep(&c->yuvTable); |
| 3143 |
|
| 3144 |
av_free(c); |
| 3145 |
} |
| 3146 |
|
| 3147 |
/**
|
| 3148 |
* Checks if context is valid or reallocs a new one instead.
|
| 3149 |
* If context is NULL, just calls sws_getContext() to get a new one.
|
| 3150 |
* Otherwise, checks if the parameters are the same already saved in context.
|
| 3151 |
* If that is the case, returns the current context.
|
| 3152 |
* Otherwise, frees context and gets a new one.
|
| 3153 |
*
|
| 3154 |
* Be warned that srcFilter, dstFilter are not checked, they are
|
| 3155 |
* asumed to remain valid.
|
| 3156 |
*/
|
| 3157 |
struct SwsContext *sws_getCachedContext(struct SwsContext *context, |
| 3158 |
int srcW, int srcH, enum PixelFormat srcFormat, |
| 3159 |
int dstW, int dstH, enum PixelFormat dstFormat, int flags, |
| 3160 |
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)
|
| 3161 |
{
|
| 3162 |
static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT}; |
| 3163 |
|
| 3164 |
if (!param)
|
| 3165 |
param = default_param; |
| 3166 |
|
| 3167 |
if (context) {
|
| 3168 |
if (context->srcW != srcW || context->srcH != srcH ||
|
| 3169 |
context->srcFormat != srcFormat || |
| 3170 |
context->dstW != dstW || context->dstH != dstH || |
| 3171 |
context->dstFormat != dstFormat || context->flags != flags || |
| 3172 |
context->param[0] != param[0] || context->param[1] != param[1]) |
| 3173 |
{
|
| 3174 |
sws_freeContext(context); |
| 3175 |
context = NULL;
|
| 3176 |
} |
| 3177 |
} |
| 3178 |
if (!context) {
|
| 3179 |
return sws_getContext(srcW, srcH, srcFormat,
|
| 3180 |
dstW, dstH, dstFormat, flags, |
| 3181 |
srcFilter, dstFilter, param); |
| 3182 |
} |
| 3183 |
return context;
|
| 3184 |
} |
| 3185 |
|