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3608 lines
123 KiB
3608 lines
123 KiB
/* |
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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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/* |
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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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#if 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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#if HAVE_VIRTUALALLOC |
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#define WIN32_LEAN_AND_MEAN |
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#include <windows.h> |
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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_AMD3DNOW |
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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 coefficients instead of 15 bit |
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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_RGB48BE \ |
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|| (x)==PIX_FMT_RGB48LE \ |
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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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|| (x)==PIX_FMT_YUV420PLE \ |
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|| (x)==PIX_FMT_YUV422PLE \ |
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|| (x)==PIX_FMT_YUV444PLE \ |
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|| (x)==PIX_FMT_YUV420PBE \ |
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|| (x)==PIX_FMT_YUV422PBE \ |
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|| (x)==PIX_FMT_YUV444PBE \ |
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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_YUVA420P \ |
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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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|| (x)==PIX_FMT_YUV420PLE \ |
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|| (x)==PIX_FMT_YUV422PLE \ |
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|| (x)==PIX_FMT_YUV444PLE \ |
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|| (x)==PIX_FMT_YUV420PBE \ |
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|| (x)==PIX_FMT_YUV422PBE \ |
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|| (x)==PIX_FMT_YUV444PBE \ |
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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 ff_yuv2rgb_coeffs[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 ARCH_X86 && 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 /* ARCH_X86 && CONFIG_GPL */ |
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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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DECLARE_ALIGNED(8, static const uint8_t, 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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DECLARE_ALIGNED(8, static const uint8_t, 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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DECLARE_ALIGNED(8, const uint8_t, 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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DECLARE_ALIGNED(8, const uint8_t, 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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DECLARE_ALIGNED(8, const uint8_t, 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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DECLARE_ALIGNED(8, const uint8_t, 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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#if 1 |
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DECLARE_ALIGNED(8, const uint8_t, 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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DECLARE_ALIGNED(8, const uint8_t, 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, }, |
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{117, 57, 101, 44, 113, 54, 97, 41, }, |
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}; |
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#elif 1 |
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// tries to correct a gamma of 2.0 |
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={ |
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{ 0, 124, 8, 193, 0, 140, 12, 213, }, |
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{ 55, 14, 104, 42, 66, 19, 119, 52, }, |
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{ 3, 168, 1, 145, 6, 187, 3, 162, }, |
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{ 86, 31, 70, 21, 99, 39, 82, 28, }, |
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{ 0, 134, 11, 206, 0, 129, 9, 200, }, |
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{ 62, 17, 114, 48, 58, 16, 109, 45, }, |
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{ 5, 181, 2, 157, 4, 175, 1, 151, }, |
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{ 95, 36, 78, 26, 90, 34, 74, 24, }, |
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}; |
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#else |
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// tries to correct a gamma of 2.5 |
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DECLARE_ALIGNED(8, const uint8_t, dither_8x8_220[8][8])={ |
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{ 0, 107, 3, 187, 0, 125, 6, 212, }, |
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{ 39, 7, 86, 28, 49, 11, 102, 36, }, |
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{ 1, 158, 0, 131, 3, 180, 1, 151, }, |
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{ 68, 19, 52, 12, 81, 25, 64, 17, }, |
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{ 0, 119, 5, 203, 0, 113, 4, 195, }, |
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{ 45, 9, 96, 33, 42, 8, 91, 30, }, |
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{ 2, 172, 1, 144, 2, 165, 0, 137, }, |
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{ 77, 23, 60, 15, 72, 21, 56, 14, }, |
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}; |
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#endif |
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const char *sws_format_name(enum PixelFormat format) |
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{ |
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switch (format) { |
|
case PIX_FMT_YUV420P: |
|
return "yuv420p"; |
|
case PIX_FMT_YUVA420P: |
|
return "yuva420p"; |
|
case PIX_FMT_YUYV422: |
|
return "yuyv422"; |
|
case PIX_FMT_RGB24: |
|
return "rgb24"; |
|
case PIX_FMT_BGR24: |
|
return "bgr24"; |
|
case PIX_FMT_YUV422P: |
|
return "yuv422p"; |
|
case PIX_FMT_YUV444P: |
|
return "yuv444p"; |
|
case PIX_FMT_RGB32: |
|
return "rgb32"; |
|
case PIX_FMT_YUV410P: |
|
return "yuv410p"; |
|
case PIX_FMT_YUV411P: |
|
return "yuv411p"; |
|
case PIX_FMT_RGB565: |
|
return "rgb565"; |
|
case PIX_FMT_RGB555: |
|
return "rgb555"; |
|
case PIX_FMT_GRAY16BE: |
|
return "gray16be"; |
|
case PIX_FMT_GRAY16LE: |
|
return "gray16le"; |
|
case PIX_FMT_GRAY8: |
|
return "gray8"; |
|
case PIX_FMT_MONOWHITE: |
|
return "mono white"; |
|
case PIX_FMT_MONOBLACK: |
|
return "mono black"; |
|
case PIX_FMT_PAL8: |
|
return "Palette"; |
|
case PIX_FMT_YUVJ420P: |
|
return "yuvj420p"; |
|
case PIX_FMT_YUVJ422P: |
|
return "yuvj422p"; |
|
case PIX_FMT_YUVJ444P: |
|
return "yuvj444p"; |
|
case PIX_FMT_XVMC_MPEG2_MC: |
|
return "xvmc_mpeg2_mc"; |
|
case PIX_FMT_XVMC_MPEG2_IDCT: |
|
return "xvmc_mpeg2_idct"; |
|
case PIX_FMT_UYVY422: |
|
return "uyvy422"; |
|
case PIX_FMT_UYYVYY411: |
|
return "uyyvyy411"; |
|
case PIX_FMT_RGB32_1: |
|
return "rgb32x"; |
|
case PIX_FMT_BGR32_1: |
|
return "bgr32x"; |
|
case PIX_FMT_BGR32: |
|
return "bgr32"; |
|
case PIX_FMT_BGR565: |
|
return "bgr565"; |
|
case PIX_FMT_BGR555: |
|
return "bgr555"; |
|
case PIX_FMT_BGR8: |
|
return "bgr8"; |
|
case PIX_FMT_BGR4: |
|
return "bgr4"; |
|
case PIX_FMT_BGR4_BYTE: |
|
return "bgr4 byte"; |
|
case PIX_FMT_RGB8: |
|
return "rgb8"; |
|
case PIX_FMT_RGB4: |
|
return "rgb4"; |
|
case PIX_FMT_RGB4_BYTE: |
|
return "rgb4 byte"; |
|
case PIX_FMT_RGB48BE: |
|
return "rgb48be"; |
|
case PIX_FMT_RGB48LE: |
|
return "rgb48le"; |
|
case PIX_FMT_NV12: |
|
return "nv12"; |
|
case PIX_FMT_NV21: |
|
return "nv21"; |
|
case PIX_FMT_YUV440P: |
|
return "yuv440p"; |
|
case PIX_FMT_VDPAU_H264: |
|
return "vdpau_h264"; |
|
case PIX_FMT_VDPAU_MPEG1: |
|
return "vdpau_mpeg1"; |
|
case PIX_FMT_VDPAU_MPEG2: |
|
return "vdpau_mpeg2"; |
|
case PIX_FMT_VDPAU_WMV3: |
|
return "vdpau_wmv3"; |
|
case PIX_FMT_VDPAU_VC1: |
|
return "vdpau_vc1"; |
|
case PIX_FMT_YUV420PLE: |
|
return "yuv420ple"; |
|
case PIX_FMT_YUV422PLE: |
|
return "yuv422ple"; |
|
case PIX_FMT_YUV444PLE: |
|
return "yuv444ple"; |
|
case PIX_FMT_YUV420PBE: |
|
return "yuv420pbe"; |
|
case PIX_FMT_YUV422PBE: |
|
return "yuv422pbe"; |
|
case PIX_FMT_YUV444PBE: |
|
return "yuv444pbe"; |
|
default: |
|
return "Unknown format"; |
|
} |
|
} |
|
|
|
static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
|
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
|
const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW) |
|
{ |
|
//FIXME Optimize (just quickly written not optimized..) |
|
int i; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int val=1<<18; |
|
int j; |
|
for (j=0; j<lumFilterSize; j++) |
|
val += lumSrc[j][i] * lumFilter[j]; |
|
|
|
dest[i]= av_clip_uint8(val>>19); |
|
} |
|
|
|
if (uDest) |
|
for (i=0; i<chrDstW; i++) |
|
{ |
|
int u=1<<18; |
|
int v=1<<18; |
|
int j; |
|
for (j=0; j<chrFilterSize; j++) |
|
{ |
|
u += chrSrc[j][i] * chrFilter[j]; |
|
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
|
} |
|
|
|
uDest[i]= av_clip_uint8(u>>19); |
|
vDest[i]= av_clip_uint8(v>>19); |
|
} |
|
|
|
if (CONFIG_SWSCALE_ALPHA && aDest) |
|
for (i=0; i<dstW; i++){ |
|
int val=1<<18; |
|
int j; |
|
for (j=0; j<lumFilterSize; j++) |
|
val += alpSrc[j][i] * lumFilter[j]; |
|
|
|
aDest[i]= av_clip_uint8(val>>19); |
|
} |
|
|
|
} |
|
|
|
static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
|
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
|
uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) |
|
{ |
|
//FIXME Optimize (just quickly written not optimized..) |
|
int i; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int val=1<<18; |
|
int j; |
|
for (j=0; j<lumFilterSize; j++) |
|
val += lumSrc[j][i] * lumFilter[j]; |
|
|
|
dest[i]= av_clip_uint8(val>>19); |
|
} |
|
|
|
if (!uDest) |
|
return; |
|
|
|
if (dstFormat == PIX_FMT_NV12) |
|
for (i=0; i<chrDstW; i++) |
|
{ |
|
int u=1<<18; |
|
int v=1<<18; |
|
int j; |
|
for (j=0; j<chrFilterSize; j++) |
|
{ |
|
u += chrSrc[j][i] * chrFilter[j]; |
|
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
|
} |
|
|
|
uDest[2*i]= av_clip_uint8(u>>19); |
|
uDest[2*i+1]= av_clip_uint8(v>>19); |
|
} |
|
else |
|
for (i=0; i<chrDstW; i++) |
|
{ |
|
int u=1<<18; |
|
int v=1<<18; |
|
int j; |
|
for (j=0; j<chrFilterSize; j++) |
|
{ |
|
u += chrSrc[j][i] * chrFilter[j]; |
|
v += chrSrc[j][i + VOFW] * chrFilter[j]; |
|
} |
|
|
|
uDest[2*i]= av_clip_uint8(v>>19); |
|
uDest[2*i+1]= av_clip_uint8(u>>19); |
|
} |
|
} |
|
|
|
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \ |
|
for (i=0; i<(dstW>>1); i++){\ |
|
int j;\ |
|
int Y1 = 1<<18;\ |
|
int Y2 = 1<<18;\ |
|
int U = 1<<18;\ |
|
int V = 1<<18;\ |
|
int av_unused A1, A2;\ |
|
type av_unused *r, *b, *g;\ |
|
const int i2= 2*i;\ |
|
\ |
|
for (j=0; j<lumFilterSize; j++)\ |
|
{\ |
|
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\ |
|
}\ |
|
for (j=0; j<chrFilterSize; j++)\ |
|
{\ |
|
U += chrSrc[j][i] * chrFilter[j];\ |
|
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
|
}\ |
|
Y1>>=19;\ |
|
Y2>>=19;\ |
|
U >>=19;\ |
|
V >>=19;\ |
|
if (alpha){\ |
|
A1 = 1<<18;\ |
|
A2 = 1<<18;\ |
|
for (j=0; j<lumFilterSize; j++){\ |
|
A1 += alpSrc[j][i2 ] * lumFilter[j];\ |
|
A2 += alpSrc[j][i2+1] * lumFilter[j];\ |
|
}\ |
|
A1>>=19;\ |
|
A2>>=19;\ |
|
}\ |
|
|
|
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \ |
|
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\ |
|
if ((Y1|Y2|U|V)&256)\ |
|
{\ |
|
if (Y1>255) Y1=255; \ |
|
else if (Y1<0)Y1=0; \ |
|
if (Y2>255) Y2=255; \ |
|
else if (Y2<0)Y2=0; \ |
|
if (U>255) U=255; \ |
|
else if (U<0) U=0; \ |
|
if (V>255) V=255; \ |
|
else if (V<0) V=0; \ |
|
}\ |
|
if (alpha && ((A1|A2)&256)){\ |
|
A1=av_clip_uint8(A1);\ |
|
A2=av_clip_uint8(A2);\ |
|
} |
|
|
|
#define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \ |
|
for (i=0; i<dstW; i++){\ |
|
int j;\ |
|
int Y = 0;\ |
|
int U = -128<<19;\ |
|
int V = -128<<19;\ |
|
int av_unused A;\ |
|
int R,G,B;\ |
|
\ |
|
for (j=0; j<lumFilterSize; j++){\ |
|
Y += lumSrc[j][i ] * lumFilter[j];\ |
|
}\ |
|
for (j=0; j<chrFilterSize; j++){\ |
|
U += chrSrc[j][i ] * chrFilter[j];\ |
|
V += chrSrc[j][i+VOFW] * chrFilter[j];\ |
|
}\ |
|
Y >>=10;\ |
|
U >>=10;\ |
|
V >>=10;\ |
|
if (alpha){\ |
|
A = rnd;\ |
|
for (j=0; j<lumFilterSize; j++)\ |
|
A += alpSrc[j][i ] * lumFilter[j];\ |
|
A >>=19;\ |
|
if (A&256)\ |
|
A = av_clip_uint8(A);\ |
|
}\ |
|
|
|
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \ |
|
YSCALE_YUV_2_PACKEDX_FULL_C(rnd>>3,alpha)\ |
|
Y-= c->yuv2rgb_y_offset;\ |
|
Y*= c->yuv2rgb_y_coeff;\ |
|
Y+= rnd;\ |
|
R= Y + V*c->yuv2rgb_v2r_coeff;\ |
|
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\ |
|
B= Y + U*c->yuv2rgb_u2b_coeff;\ |
|
if ((R|G|B)&(0xC0000000)){\ |
|
if (R>=(256<<22)) R=(256<<22)-1; \ |
|
else if (R<0)R=0; \ |
|
if (G>=(256<<22)) G=(256<<22)-1; \ |
|
else if (G<0)G=0; \ |
|
if (B>=(256<<22)) B=(256<<22)-1; \ |
|
else if (B<0)B=0; \ |
|
}\ |
|
|
|
|
|
#define YSCALE_YUV_2_GRAY16_C \ |
|
for (i=0; i<(dstW>>1); i++){\ |
|
int j;\ |
|
int Y1 = 1<<18;\ |
|
int Y2 = 1<<18;\ |
|
int U = 1<<18;\ |
|
int V = 1<<18;\ |
|
\ |
|
const int i2= 2*i;\ |
|
\ |
|
for (j=0; j<lumFilterSize; j++)\ |
|
{\ |
|
Y1 += lumSrc[j][i2] * lumFilter[j];\ |
|
Y2 += lumSrc[j][i2+1] * lumFilter[j];\ |
|
}\ |
|
Y1>>=11;\ |
|
Y2>>=11;\ |
|
if ((Y1|Y2|U|V)&65536)\ |
|
{\ |
|
if (Y1>65535) Y1=65535; \ |
|
else if (Y1<0)Y1=0; \ |
|
if (Y2>65535) Y2=65535; \ |
|
else if (Y2<0)Y2=0; \ |
|
} |
|
|
|
#define YSCALE_YUV_2_RGBX_C(type,alpha) \ |
|
YSCALE_YUV_2_PACKEDX_C(type,alpha) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\ |
|
r = (type *)c->table_rV[V]; \ |
|
g = (type *)(c->table_gU[U] + c->table_gV[V]); \ |
|
b = (type *)c->table_bU[U]; \ |
|
|
|
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \ |
|
for (i=0; i<(dstW>>1); i++){ \ |
|
const int i2= 2*i; \ |
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \ |
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \ |
|
int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ |
|
int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ |
|
type av_unused *r, *b, *g; \ |
|
int av_unused A1, A2; \ |
|
if (alpha){\ |
|
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \ |
|
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \ |
|
}\ |
|
|
|
#define YSCALE_YUV_2_GRAY16_2_C \ |
|
for (i=0; i<(dstW>>1); i++){ \ |
|
const int i2= 2*i; \ |
|
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \ |
|
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \ |
|
|
|
#define YSCALE_YUV_2_RGB2_C(type,alpha) \ |
|
YSCALE_YUV_2_PACKED2_C(type,alpha)\ |
|
r = (type *)c->table_rV[V];\ |
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
|
b = (type *)c->table_bU[U];\ |
|
|
|
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \ |
|
for (i=0; i<(dstW>>1); i++){\ |
|
const int i2= 2*i;\ |
|
int Y1= buf0[i2 ]>>7;\ |
|
int Y2= buf0[i2+1]>>7;\ |
|
int U= (uvbuf1[i ])>>7;\ |
|
int V= (uvbuf1[i+VOFW])>>7;\ |
|
type av_unused *r, *b, *g;\ |
|
int av_unused A1, A2;\ |
|
if (alpha){\ |
|
A1= abuf0[i2 ]>>7;\ |
|
A2= abuf0[i2+1]>>7;\ |
|
}\ |
|
|
|
#define YSCALE_YUV_2_GRAY16_1_C \ |
|
for (i=0; i<(dstW>>1); i++){\ |
|
const int i2= 2*i;\ |
|
int Y1= buf0[i2 ]<<1;\ |
|
int Y2= buf0[i2+1]<<1;\ |
|
|
|
#define YSCALE_YUV_2_RGB1_C(type,alpha) \ |
|
YSCALE_YUV_2_PACKED1_C(type,alpha)\ |
|
r = (type *)c->table_rV[V];\ |
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
|
b = (type *)c->table_bU[U];\ |
|
|
|
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \ |
|
for (i=0; i<(dstW>>1); i++){\ |
|
const int i2= 2*i;\ |
|
int Y1= buf0[i2 ]>>7;\ |
|
int Y2= buf0[i2+1]>>7;\ |
|
int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ |
|
int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ |
|
type av_unused *r, *b, *g;\ |
|
int av_unused A1, A2;\ |
|
if (alpha){\ |
|
A1= abuf0[i2 ]>>7;\ |
|
A2= abuf0[i2+1]>>7;\ |
|
}\ |
|
|
|
#define YSCALE_YUV_2_RGB1B_C(type,alpha) \ |
|
YSCALE_YUV_2_PACKED1B_C(type,alpha)\ |
|
r = (type *)c->table_rV[V];\ |
|
g = (type *)(c->table_gU[U] + c->table_gV[V]);\ |
|
b = (type *)c->table_bU[U];\ |
|
|
|
#define YSCALE_YUV_2_MONO2_C \ |
|
const uint8_t * const d128=dither_8x8_220[y&7];\ |
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
|
for (i=0; i<dstW-7; i+=8){\ |
|
int acc;\ |
|
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ |
|
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ |
|
acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ |
|
acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ |
|
acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ |
|
acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ |
|
acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ |
|
acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ |
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ |
|
dest++;\ |
|
}\ |
|
|
|
|
|
#define YSCALE_YUV_2_MONOX_C \ |
|
const uint8_t * const d128=dither_8x8_220[y&7];\ |
|
uint8_t *g= c->table_gU[128] + c->table_gV[128];\ |
|
int acc=0;\ |
|
for (i=0; i<dstW-1; i+=2){\ |
|
int j;\ |
|
int Y1=1<<18;\ |
|
int Y2=1<<18;\ |
|
\ |
|
for (j=0; j<lumFilterSize; j++)\ |
|
{\ |
|
Y1 += lumSrc[j][i] * lumFilter[j];\ |
|
Y2 += lumSrc[j][i+1] * lumFilter[j];\ |
|
}\ |
|
Y1>>=19;\ |
|
Y2>>=19;\ |
|
if ((Y1|Y2)&256)\ |
|
{\ |
|
if (Y1>255) Y1=255;\ |
|
else if (Y1<0)Y1=0;\ |
|
if (Y2>255) Y2=255;\ |
|
else if (Y2<0)Y2=0;\ |
|
}\ |
|
acc+= acc + g[Y1+d128[(i+0)&7]];\ |
|
acc+= acc + g[Y2+d128[(i+1)&7]];\ |
|
if ((i&7)==6){\ |
|
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ |
|
dest++;\ |
|
}\ |
|
} |
|
|
|
|
|
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\ |
|
switch(c->dstFormat)\ |
|
{\ |
|
case PIX_FMT_RGB48BE:\ |
|
case PIX_FMT_RGB48LE:\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[ 0]= r[Y1];\ |
|
((uint8_t*)dest)[ 1]= r[Y1];\ |
|
((uint8_t*)dest)[ 2]= g[Y1];\ |
|
((uint8_t*)dest)[ 3]= g[Y1];\ |
|
((uint8_t*)dest)[ 4]= b[Y1];\ |
|
((uint8_t*)dest)[ 5]= b[Y1];\ |
|
((uint8_t*)dest)[ 6]= r[Y2];\ |
|
((uint8_t*)dest)[ 7]= r[Y2];\ |
|
((uint8_t*)dest)[ 8]= g[Y2];\ |
|
((uint8_t*)dest)[ 9]= g[Y2];\ |
|
((uint8_t*)dest)[10]= b[Y2];\ |
|
((uint8_t*)dest)[11]= b[Y2];\ |
|
dest+=12;\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGBA:\ |
|
case PIX_FMT_BGRA:\ |
|
if (CONFIG_SMALL){\ |
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\ |
|
func(uint32_t,needAlpha)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\ |
|
}\ |
|
}else{\ |
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\ |
|
func(uint32_t,1)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\ |
|
}\ |
|
}else{\ |
|
func(uint32_t,0)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\ |
|
}\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_ARGB:\ |
|
case PIX_FMT_ABGR:\ |
|
if (CONFIG_SMALL){\ |
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\ |
|
func(uint32_t,needAlpha)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\ |
|
}\ |
|
}else{\ |
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\ |
|
func(uint32_t,1)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\ |
|
}\ |
|
}else{\ |
|
func(uint32_t,0)\ |
|
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\ |
|
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\ |
|
}\ |
|
}\ |
|
} \ |
|
break;\ |
|
case PIX_FMT_RGB24:\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[0]= r[Y1];\ |
|
((uint8_t*)dest)[1]= g[Y1];\ |
|
((uint8_t*)dest)[2]= b[Y1];\ |
|
((uint8_t*)dest)[3]= r[Y2];\ |
|
((uint8_t*)dest)[4]= g[Y2];\ |
|
((uint8_t*)dest)[5]= b[Y2];\ |
|
dest+=6;\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_BGR24:\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[0]= b[Y1];\ |
|
((uint8_t*)dest)[1]= g[Y1];\ |
|
((uint8_t*)dest)[2]= r[Y1];\ |
|
((uint8_t*)dest)[3]= b[Y2];\ |
|
((uint8_t*)dest)[4]= g[Y2];\ |
|
((uint8_t*)dest)[5]= r[Y2];\ |
|
dest+=6;\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGB565:\ |
|
case PIX_FMT_BGR565:\ |
|
{\ |
|
const int dr1= dither_2x2_8[y&1 ][0];\ |
|
const int dg1= dither_2x2_4[y&1 ][0];\ |
|
const int db1= dither_2x2_8[(y&1)^1][0];\ |
|
const int dr2= dither_2x2_8[y&1 ][1];\ |
|
const int dg2= dither_2x2_4[y&1 ][1];\ |
|
const int db2= dither_2x2_8[(y&1)^1][1];\ |
|
func(uint16_t,0)\ |
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ |
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGB555:\ |
|
case PIX_FMT_BGR555:\ |
|
{\ |
|
const int dr1= dither_2x2_8[y&1 ][0];\ |
|
const int dg1= dither_2x2_8[y&1 ][1];\ |
|
const int db1= dither_2x2_8[(y&1)^1][0];\ |
|
const int dr2= dither_2x2_8[y&1 ][1];\ |
|
const int dg2= dither_2x2_8[y&1 ][0];\ |
|
const int db2= dither_2x2_8[(y&1)^1][1];\ |
|
func(uint16_t,0)\ |
|
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ |
|
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGB8:\ |
|
case PIX_FMT_BGR8:\ |
|
{\ |
|
const uint8_t * const d64= dither_8x8_73[y&7];\ |
|
const uint8_t * const d32= dither_8x8_32[y&7];\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ |
|
((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGB4:\ |
|
case PIX_FMT_BGR4:\ |
|
{\ |
|
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
|
const uint8_t * const d128=dither_8x8_220[y&7];\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ |
|
+ ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_RGB4_BYTE:\ |
|
case PIX_FMT_BGR4_BYTE:\ |
|
{\ |
|
const uint8_t * const d64= dither_8x8_73 [y&7];\ |
|
const uint8_t * const d128=dither_8x8_220[y&7];\ |
|
func(uint8_t,0)\ |
|
((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ |
|
((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ |
|
}\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_MONOBLACK:\ |
|
case PIX_FMT_MONOWHITE:\ |
|
{\ |
|
func_monoblack\ |
|
}\ |
|
break;\ |
|
case PIX_FMT_YUYV422:\ |
|
func2\ |
|
((uint8_t*)dest)[2*i2+0]= Y1;\ |
|
((uint8_t*)dest)[2*i2+1]= U;\ |
|
((uint8_t*)dest)[2*i2+2]= Y2;\ |
|
((uint8_t*)dest)[2*i2+3]= V;\ |
|
} \ |
|
break;\ |
|
case PIX_FMT_UYVY422:\ |
|
func2\ |
|
((uint8_t*)dest)[2*i2+0]= U;\ |
|
((uint8_t*)dest)[2*i2+1]= Y1;\ |
|
((uint8_t*)dest)[2*i2+2]= V;\ |
|
((uint8_t*)dest)[2*i2+3]= Y2;\ |
|
} \ |
|
break;\ |
|
case PIX_FMT_GRAY16BE:\ |
|
func_g16\ |
|
((uint8_t*)dest)[2*i2+0]= Y1>>8;\ |
|
((uint8_t*)dest)[2*i2+1]= Y1;\ |
|
((uint8_t*)dest)[2*i2+2]= Y2>>8;\ |
|
((uint8_t*)dest)[2*i2+3]= Y2;\ |
|
} \ |
|
break;\ |
|
case PIX_FMT_GRAY16LE:\ |
|
func_g16\ |
|
((uint8_t*)dest)[2*i2+0]= Y1;\ |
|
((uint8_t*)dest)[2*i2+1]= Y1>>8;\ |
|
((uint8_t*)dest)[2*i2+2]= Y2;\ |
|
((uint8_t*)dest)[2*i2+3]= Y2>>8;\ |
|
} \ |
|
break;\ |
|
}\ |
|
|
|
|
|
static inline void yuv2packedXinC(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
|
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
|
const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
|
{ |
|
int i; |
|
YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void,0), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C) |
|
} |
|
|
|
static inline void yuv2rgbXinC_full(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
|
const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, |
|
const int16_t **alpSrc, uint8_t *dest, int dstW, int y) |
|
{ |
|
int i; |
|
int step= fmt_depth(c->dstFormat)/8; |
|
int aidx= 3; |
|
|
|
switch(c->dstFormat){ |
|
case PIX_FMT_ARGB: |
|
dest++; |
|
aidx= 0; |
|
case PIX_FMT_RGB24: |
|
aidx--; |
|
case PIX_FMT_RGBA: |
|
if (CONFIG_SMALL){ |
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) |
|
dest[aidx]= needAlpha ? A : 255; |
|
dest[0]= R>>22; |
|
dest[1]= G>>22; |
|
dest[2]= B>>22; |
|
dest+= step; |
|
} |
|
}else{ |
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) |
|
dest[aidx]= A; |
|
dest[0]= R>>22; |
|
dest[1]= G>>22; |
|
dest[2]= B>>22; |
|
dest+= step; |
|
} |
|
}else{ |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) |
|
dest[aidx]= 255; |
|
dest[0]= R>>22; |
|
dest[1]= G>>22; |
|
dest[2]= B>>22; |
|
dest+= step; |
|
} |
|
} |
|
} |
|
break; |
|
case PIX_FMT_ABGR: |
|
dest++; |
|
aidx= 0; |
|
case PIX_FMT_BGR24: |
|
aidx--; |
|
case PIX_FMT_BGRA: |
|
if (CONFIG_SMALL){ |
|
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf; |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha) |
|
dest[aidx]= needAlpha ? A : 255; |
|
dest[0]= B>>22; |
|
dest[1]= G>>22; |
|
dest[2]= R>>22; |
|
dest+= step; |
|
} |
|
}else{ |
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1) |
|
dest[aidx]= A; |
|
dest[0]= B>>22; |
|
dest[1]= G>>22; |
|
dest[2]= R>>22; |
|
dest+= step; |
|
} |
|
}else{ |
|
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0) |
|
dest[aidx]= 255; |
|
dest[0]= B>>22; |
|
dest[1]= G>>22; |
|
dest[2]= R>>22; |
|
dest+= step; |
|
} |
|
} |
|
} |
|
break; |
|
default: |
|
assert(0); |
|
} |
|
} |
|
|
|
static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val){ |
|
int i; |
|
uint8_t *ptr = plane + stride*y; |
|
for (i=0; i<height; i++){ |
|
memset(ptr, val, width); |
|
ptr += stride; |
|
} |
|
} |
|
|
|
static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, int width) |
|
{ |
|
int i; |
|
for (i = 0; i < width; i++) { |
|
int r = src[i*6+0]; |
|
int g = src[i*6+2]; |
|
int b = src[i*6+4]; |
|
|
|
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
|
} |
|
} |
|
|
|
static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV, |
|
uint8_t *src1, uint8_t *src2, int width) |
|
{ |
|
int i; |
|
assert(src1==src2); |
|
for (i = 0; i < width; i++) { |
|
int r = src1[6*i + 0]; |
|
int g = src1[6*i + 2]; |
|
int b = src1[6*i + 4]; |
|
|
|
dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
|
dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT; |
|
} |
|
} |
|
|
|
static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV, |
|
uint8_t *src1, uint8_t *src2, int width) |
|
{ |
|
int i; |
|
assert(src1==src2); |
|
for (i = 0; i < width; i++) { |
|
int r= src1[12*i + 0] + src1[12*i + 6]; |
|
int g= src1[12*i + 2] + src1[12*i + 8]; |
|
int b= src1[12*i + 4] + src1[12*i + 10]; |
|
|
|
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
|
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1); |
|
} |
|
} |
|
|
|
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\ |
|
static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\ |
|
{\ |
|
int i;\ |
|
for (i=0; i<width; i++)\ |
|
{\ |
|
int b= (((const type*)src)[i]>>shb)&maskb;\ |
|
int g= (((const type*)src)[i]>>shg)&maskg;\ |
|
int r= (((const type*)src)[i]>>shr)&maskr;\ |
|
\ |
|
dst[i]= (((RY)*r + (GY)*g + (BY)*b + (33<<((S)-1)))>>(S));\ |
|
}\ |
|
} |
|
|
|
BGR2Y(uint32_t, bgr32ToY,16, 0, 0, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) |
|
BGR2Y(uint32_t, rgb32ToY, 0, 0,16, 0x00FF, 0xFF00, 0x00FF, RY<< 8, GY , BY<< 8, RGB2YUV_SHIFT+8) |
|
BGR2Y(uint16_t, bgr16ToY, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RY<<11, GY<<5, BY , RGB2YUV_SHIFT+8) |
|
BGR2Y(uint16_t, bgr15ToY, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RY<<10, GY<<5, BY , RGB2YUV_SHIFT+7) |
|
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8) |
|
BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7) |
|
|
|
static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused){ |
|
int i; |
|
for (i=0; i<width; i++){ |
|
dst[i]= src[4*i]; |
|
} |
|
} |
|
|
|
#define BGR2UV(type, name, shr, shg, shb, maska, maskr, maskg, maskb, RU, GU, BU, RV, GV, BV, S)\ |
|
static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\ |
|
{\ |
|
int i;\ |
|
for (i=0; i<width; i++)\ |
|
{\ |
|
int b= (((const type*)src)[i]&maskb)>>shb;\ |
|
int g= (((const type*)src)[i]&maskg)>>shg;\ |
|
int r= (((const type*)src)[i]&maskr)>>shr;\ |
|
\ |
|
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\ |
|
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\ |
|
}\ |
|
}\ |
|
static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\ |
|
{\ |
|
int i;\ |
|
for (i=0; i<width; i++)\ |
|
{\ |
|
int pix0= ((const type*)src)[2*i+0];\ |
|
int pix1= ((const type*)src)[2*i+1];\ |
|
int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\ |
|
int b= ((pix0+pix1-g)&(maskb|(2*maskb)))>>shb;\ |
|
int r= ((pix0+pix1-g)&(maskr|(2*maskr)))>>shr;\ |
|
g&= maskg|(2*maskg);\ |
|
\ |
|
g>>=shg;\ |
|
\ |
|
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<(S)))>>((S)+1);\ |
|
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<(S)))>>((S)+1);\ |
|
}\ |
|
} |
|
|
|
BGR2UV(uint32_t, bgr32ToUV,16, 0, 0, 0xFF000000, 0xFF0000, 0xFF00, 0x00FF, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
|
BGR2UV(uint32_t, rgb32ToUV, 0, 0,16, 0xFF000000, 0x00FF, 0xFF00, 0xFF0000, RU<< 8, GU , BU<< 8, RV<< 8, GV , BV<< 8, RGB2YUV_SHIFT+8) |
|
BGR2UV(uint16_t, bgr16ToUV, 0, 0, 0, 0, 0x001F, 0x07E0, 0xF800, RU<<11, GU<<5, BU , RV<<11, GV<<5, BV , RGB2YUV_SHIFT+8) |
|
BGR2UV(uint16_t, bgr15ToUV, 0, 0, 0, 0, 0x001F, 0x03E0, 0x7C00, RU<<10, GU<<5, BU , RV<<10, GV<<5, BV , RGB2YUV_SHIFT+7) |
|
BGR2UV(uint16_t, rgb16ToUV, 0, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RU , GU<<5, BU<<11, RV , GV<<5, BV<<11, RGB2YUV_SHIFT+8) |
|
BGR2UV(uint16_t, rgb15ToUV, 0, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RU , GU<<5, BU<<10, RV , GV<<5, BV<<10, RGB2YUV_SHIFT+7) |
|
|
|
static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal) |
|
{ |
|
int i; |
|
for (i=0; i<width; i++) |
|
{ |
|
int d= src[i]; |
|
|
|
dst[i]= pal[d] & 0xFF; |
|
} |
|
} |
|
|
|
static inline void palToUV(uint8_t *dstU, uint8_t *dstV, |
|
const uint8_t *src1, const uint8_t *src2, |
|
long width, uint32_t *pal) |
|
{ |
|
int i; |
|
assert(src1 == src2); |
|
for (i=0; i<width; i++) |
|
{ |
|
int p= pal[src1[i]]; |
|
|
|
dstU[i]= p>>8; |
|
dstV[i]= p>>16; |
|
} |
|
} |
|
|
|
static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) |
|
{ |
|
int i, j; |
|
for (i=0; i<width/8; i++){ |
|
int d= ~src[i]; |
|
for(j=0; j<8; j++) |
|
dst[8*i+j]= ((d>>(7-j))&1)*255; |
|
} |
|
} |
|
|
|
static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused) |
|
{ |
|
int i, j; |
|
for (i=0; i<width/8; i++){ |
|
int d= src[i]; |
|
for(j=0; j<8; j++) |
|
dst[8*i+j]= ((d>>(7-j))&1)*255; |
|
} |
|
} |
|
|
|
|
|
//Note: we have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one |
|
//Plain C versions |
|
#if ((!HAVE_MMX || !CONFIG_GPL) && !HAVE_ALTIVEC) || CONFIG_RUNTIME_CPUDETECT |
|
#define COMPILE_C |
|
#endif |
|
|
|
#if ARCH_PPC |
|
#if HAVE_ALTIVEC || CONFIG_RUNTIME_CPUDETECT |
|
#define COMPILE_ALTIVEC |
|
#endif |
|
#endif //ARCH_PPC |
|
|
|
#if ARCH_X86 |
|
|
|
#if ((HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL |
|
#define COMPILE_MMX |
|
#endif |
|
|
|
#if (HAVE_MMX2 || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL |
|
#define COMPILE_MMX2 |
|
#endif |
|
|
|
#if ((HAVE_AMD3DNOW && !HAVE_MMX2) || CONFIG_RUNTIME_CPUDETECT) && CONFIG_GPL |
|
#define COMPILE_3DNOW |
|
#endif |
|
#endif //ARCH_X86 |
|
|
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_AMD3DNOW |
|
#undef HAVE_ALTIVEC |
|
#define HAVE_MMX 0 |
|
#define HAVE_MMX2 0 |
|
#define HAVE_AMD3DNOW 0 |
|
#define HAVE_ALTIVEC 0 |
|
|
|
#ifdef COMPILE_C |
|
#define RENAME(a) a ## _C |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
#ifdef COMPILE_ALTIVEC |
|
#undef RENAME |
|
#undef HAVE_ALTIVEC |
|
#define HAVE_ALTIVEC 1 |
|
#define RENAME(a) a ## _altivec |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
#if ARCH_X86 |
|
|
|
//MMX versions |
|
#ifdef COMPILE_MMX |
|
#undef RENAME |
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_AMD3DNOW |
|
#define HAVE_MMX 1 |
|
#define HAVE_MMX2 0 |
|
#define HAVE_AMD3DNOW 0 |
|
#define RENAME(a) a ## _MMX |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
//MMX2 versions |
|
#ifdef COMPILE_MMX2 |
|
#undef RENAME |
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_AMD3DNOW |
|
#define HAVE_MMX 1 |
|
#define HAVE_MMX2 1 |
|
#define HAVE_AMD3DNOW 0 |
|
#define RENAME(a) a ## _MMX2 |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
//3DNOW versions |
|
#ifdef COMPILE_3DNOW |
|
#undef RENAME |
|
#undef HAVE_MMX |
|
#undef HAVE_MMX2 |
|
#undef HAVE_AMD3DNOW |
|
#define HAVE_MMX 1 |
|
#define HAVE_MMX2 0 |
|
#define HAVE_AMD3DNOW 1 |
|
#define RENAME(a) a ## _3DNow |
|
#include "swscale_template.c" |
|
#endif |
|
|
|
#endif //ARCH_X86 |
|
|
|
// minor note: the HAVE_xyz are messed up after this line so don't use them |
|
|
|
static double getSplineCoeff(double a, double b, double c, double d, double dist) |
|
{ |
|
// printf("%f %f %f %f %f\n", a,b,c,d,dist); |
|
if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a; |
|
else return getSplineCoeff( 0.0, |
|
b+ 2.0*c + 3.0*d, |
|
c + 3.0*d, |
|
-b- 3.0*c - 6.0*d, |
|
dist-1.0); |
|
} |
|
|
|
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, |
|
int srcW, int dstW, int filterAlign, int one, int flags, |
|
SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) |
|
{ |
|
int i; |
|
int filterSize; |
|
int filter2Size; |
|
int minFilterSize; |
|
int64_t *filter=NULL; |
|
int64_t *filter2=NULL; |
|
const int64_t fone= 1LL<<54; |
|
int ret= -1; |
|
#if ARCH_X86 |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
__asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions) |
|
#endif |
|
|
|
// NOTE: the +1 is for the MMX scaler which reads over the end |
|
*filterPos = av_malloc((dstW+1)*sizeof(int16_t)); |
|
|
|
if (FFABS(xInc - 0x10000) <10) // unscaled |
|
{ |
|
int i; |
|
filterSize= 1; |
|
filter= av_mallocz(dstW*sizeof(*filter)*filterSize); |
|
|
|
for (i=0; i<dstW; i++) |
|
{ |
|
filter[i*filterSize]= fone; |
|
(*filterPos)[i]=i; |
|
} |
|
|
|
} |
|
else if (flags&SWS_POINT) // lame looking point sampling mode |
|
{ |
|
int i; |
|
int xDstInSrc; |
|
filterSize= 1; |
|
filter= av_malloc(dstW*sizeof(*filter)*filterSize); |
|
|
|
xDstInSrc= xInc/2 - 0x8000; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
|
|
|
(*filterPos)[i]= xx; |
|
filter[i]= fone; |
|
xDstInSrc+= xInc; |
|
} |
|
} |
|
else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale |
|
{ |
|
int i; |
|
int xDstInSrc; |
|
if (flags&SWS_BICUBIC) filterSize= 4; |
|
else if (flags&SWS_X ) filterSize= 4; |
|
else filterSize= 2; // SWS_BILINEAR / SWS_AREA |
|
filter= av_malloc(dstW*sizeof(*filter)*filterSize); |
|
|
|
xDstInSrc= xInc/2 - 0x8000; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; |
|
int j; |
|
|
|
(*filterPos)[i]= xx; |
|
//bilinear upscale / linear interpolate / area averaging |
|
for (j=0; j<filterSize; j++) |
|
{ |
|
int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); |
|
if (coeff<0) coeff=0; |
|
filter[i*filterSize + j]= coeff; |
|
xx++; |
|
} |
|
xDstInSrc+= xInc; |
|
} |
|
} |
|
else |
|
{ |
|
int xDstInSrc; |
|
int sizeFactor; |
|
|
|
if (flags&SWS_BICUBIC) sizeFactor= 4; |
|
else if (flags&SWS_X) sizeFactor= 8; |
|
else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear |
|
else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;) |
|
else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6; |
|
else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;) |
|
else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;) |
|
else if (flags&SWS_BILINEAR) sizeFactor= 2; |
|
else { |
|
sizeFactor= 0; //GCC warning killer |
|
assert(0); |
|
} |
|
|
|
if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale |
|
else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW; |
|
|
|
if (filterSize > srcW-2) filterSize=srcW-2; |
|
|
|
filter= av_malloc(dstW*sizeof(*filter)*filterSize); |
|
|
|
xDstInSrc= xInc - 0x10000; |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17); |
|
int j; |
|
(*filterPos)[i]= xx; |
|
for (j=0; j<filterSize; j++) |
|
{ |
|
int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; |
|
double floatd; |
|
int64_t coeff; |
|
|
|
if (xInc > 1<<16) |
|
d= d*dstW/srcW; |
|
floatd= d * (1.0/(1<<30)); |
|
|
|
if (flags & SWS_BICUBIC) |
|
{ |
|
int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24); |
|
int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24); |
|
int64_t dd = ( d*d)>>30; |
|
int64_t ddd= (dd*d)>>30; |
|
|
|
if (d < 1LL<<30) |
|
coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30); |
|
else if (d < 1LL<<31) |
|
coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30); |
|
else |
|
coeff=0.0; |
|
coeff *= fone>>(30+24); |
|
} |
|
/* else if (flags & SWS_X) |
|
{ |
|
double p= param ? param*0.01 : 0.3; |
|
coeff = d ? sin(d*PI)/(d*PI) : 1.0; |
|
coeff*= pow(2.0, - p*d*d); |
|
}*/ |
|
else if (flags & SWS_X) |
|
{ |
|
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; |
|
double c; |
|
|
|
if (floatd<1.0) |
|
c = cos(floatd*PI); |
|
else |
|
c=-1.0; |
|
if (c<0.0) c= -pow(-c, A); |
|
else c= pow( c, A); |
|
coeff= (c*0.5 + 0.5)*fone; |
|
} |
|
else if (flags & SWS_AREA) |
|
{ |
|
int64_t d2= d - (1<<29); |
|
if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16)); |
|
else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16)); |
|
else coeff=0.0; |
|
coeff *= fone>>(30+16); |
|
} |
|
else if (flags & SWS_GAUSS) |
|
{ |
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
|
coeff = (pow(2.0, - p*floatd*floatd))*fone; |
|
} |
|
else if (flags & SWS_SINC) |
|
{ |
|
coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone; |
|
} |
|
else if (flags & SWS_LANCZOS) |
|
{ |
|
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; |
|
coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone; |
|
if (floatd>p) coeff=0; |
|
} |
|
else if (flags & SWS_BILINEAR) |
|
{ |
|
coeff= (1<<30) - d; |
|
if (coeff<0) coeff=0; |
|
coeff *= fone >> 30; |
|
} |
|
else if (flags & SWS_SPLINE) |
|
{ |
|
double p=-2.196152422706632; |
|
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone; |
|
} |
|
else { |
|
coeff= 0.0; //GCC warning killer |
|
assert(0); |
|
} |
|
|
|
filter[i*filterSize + j]= coeff; |
|
xx++; |
|
} |
|
xDstInSrc+= 2*xInc; |
|
} |
|
} |
|
|
|
/* apply src & dst Filter to filter -> filter2 |
|
av_free(filter); |
|
*/ |
|
assert(filterSize>0); |
|
filter2Size= filterSize; |
|
if (srcFilter) filter2Size+= srcFilter->length - 1; |
|
if (dstFilter) filter2Size+= dstFilter->length - 1; |
|
assert(filter2Size>0); |
|
filter2= av_mallocz(filter2Size*dstW*sizeof(*filter2)); |
|
|
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j, k; |
|
|
|
if(srcFilter){ |
|
for (k=0; k<srcFilter->length; k++){ |
|
for (j=0; j<filterSize; j++) |
|
filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j]; |
|
} |
|
}else{ |
|
for (j=0; j<filterSize; j++) |
|
filter2[i*filter2Size + j]= filter[i*filterSize + j]; |
|
} |
|
//FIXME dstFilter |
|
|
|
(*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; |
|
} |
|
av_freep(&filter); |
|
|
|
/* try to reduce the filter-size (step1 find size and shift left) */ |
|
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not). |
|
minFilterSize= 0; |
|
for (i=dstW-1; i>=0; i--) |
|
{ |
|
int min= filter2Size; |
|
int j; |
|
int64_t cutOff=0.0; |
|
|
|
/* get rid off near zero elements on the left by shifting left */ |
|
for (j=0; j<filter2Size; j++) |
|
{ |
|
int k; |
|
cutOff += FFABS(filter2[i*filter2Size]); |
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; |
|
|
|
/* preserve monotonicity because the core can't handle the filter otherwise */ |
|
if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; |
|
|
|
// move filter coefficients left |
|
for (k=1; k<filter2Size; k++) |
|
filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k]; |
|
filter2[i*filter2Size + k - 1]= 0; |
|
(*filterPos)[i]++; |
|
} |
|
|
|
cutOff=0; |
|
/* count near zeros on the right */ |
|
for (j=filter2Size-1; j>0; j--) |
|
{ |
|
cutOff += FFABS(filter2[i*filter2Size + j]); |
|
|
|
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; |
|
min--; |
|
} |
|
|
|
if (min>minFilterSize) minFilterSize= min; |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_ALTIVEC) { |
|
// we can handle the special case 4, |
|
// so we don't want to go to the full 8 |
|
if (minFilterSize < 5) |
|
filterAlign = 4; |
|
|
|
// We really don't want to waste our time |
|
// doing useless computation, so fall back on |
|
// the scalar C code for very small filters. |
|
// Vectorizing is worth it only if you have a |
|
// decent-sized vector. |
|
if (minFilterSize < 3) |
|
filterAlign = 1; |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_MMX) { |
|
// special case for unscaled vertical filtering |
|
if (minFilterSize == 1 && filterAlign == 2) |
|
filterAlign= 1; |
|
} |
|
|
|
assert(minFilterSize > 0); |
|
filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); |
|
assert(filterSize > 0); |
|
filter= av_malloc(filterSize*dstW*sizeof(*filter)); |
|
if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter) |
|
goto error; |
|
*outFilterSize= filterSize; |
|
|
|
if (flags&SWS_PRINT_INFO) |
|
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); |
|
/* try to reduce the filter-size (step2 reduce it) */ |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
|
|
for (j=0; j<filterSize; j++) |
|
{ |
|
if (j>=filter2Size) filter[i*filterSize + j]= 0; |
|
else filter[i*filterSize + j]= filter2[i*filter2Size + j]; |
|
if((flags & SWS_BITEXACT) && j>=minFilterSize) |
|
filter[i*filterSize + j]= 0; |
|
} |
|
} |
|
|
|
|
|
//FIXME try to align filterPos if possible |
|
|
|
//fix borders |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
if ((*filterPos)[i] < 0) |
|
{ |
|
// move filter coefficients left to compensate for filterPos |
|
for (j=1; j<filterSize; j++) |
|
{ |
|
int left= FFMAX(j + (*filterPos)[i], 0); |
|
filter[i*filterSize + left] += filter[i*filterSize + j]; |
|
filter[i*filterSize + j]=0; |
|
} |
|
(*filterPos)[i]= 0; |
|
} |
|
|
|
if ((*filterPos)[i] + filterSize > srcW) |
|
{ |
|
int shift= (*filterPos)[i] + filterSize - srcW; |
|
// move filter coefficients right to compensate for filterPos |
|
for (j=filterSize-2; j>=0; j--) |
|
{ |
|
int right= FFMIN(j + shift, filterSize-1); |
|
filter[i*filterSize +right] += filter[i*filterSize +j]; |
|
filter[i*filterSize +j]=0; |
|
} |
|
(*filterPos)[i]= srcW - filterSize; |
|
} |
|
} |
|
|
|
// Note the +1 is for the MMX scaler which reads over the end |
|
/* align at 16 for AltiVec (needed by hScale_altivec_real) */ |
|
*outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t)); |
|
|
|
/* normalize & store in outFilter */ |
|
for (i=0; i<dstW; i++) |
|
{ |
|
int j; |
|
int64_t error=0; |
|
int64_t sum=0; |
|
|
|
for (j=0; j<filterSize; j++) |
|
{ |
|
sum+= filter[i*filterSize + j]; |
|
} |
|
sum= (sum + one/2)/ one; |
|
for (j=0; j<*outFilterSize; j++) |
|
{ |
|
int64_t v= filter[i*filterSize + j] + error; |
|
int intV= ROUNDED_DIV(v, sum); |
|
(*outFilter)[i*(*outFilterSize) + j]= intV; |
|
error= v - intV*sum; |
|
} |
|
} |
|
|
|
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end |
|
for (i=0; i<*outFilterSize; i++) |
|
{ |
|
int j= dstW*(*outFilterSize); |
|
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; |
|
} |
|
|
|
ret=0; |
|
error: |
|
av_free(filter); |
|
av_free(filter2); |
|
return ret; |
|
} |
|
|
|
#ifdef COMPILE_MMX2 |
|
static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) |
|
{ |
|
uint8_t *fragmentA; |
|
x86_reg imm8OfPShufW1A; |
|
x86_reg imm8OfPShufW2A; |
|
x86_reg fragmentLengthA; |
|
uint8_t *fragmentB; |
|
x86_reg imm8OfPShufW1B; |
|
x86_reg imm8OfPShufW2B; |
|
x86_reg fragmentLengthB; |
|
int fragmentPos; |
|
|
|
int xpos, i; |
|
|
|
// create an optimized horizontal scaling routine |
|
|
|
//code fragment |
|
|
|
__asm__ volatile( |
|
"jmp 9f \n\t" |
|
// Begin |
|
"0: \n\t" |
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
|
"movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t" |
|
"punpcklbw %%mm7, %%mm1 \n\t" |
|
"punpcklbw %%mm7, %%mm0 \n\t" |
|
"pshufw $0xFF, %%mm1, %%mm1 \n\t" |
|
"1: \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t" |
|
"2: \n\t" |
|
"psubw %%mm1, %%mm0 \n\t" |
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
|
"pmullw %%mm3, %%mm0 \n\t" |
|
"psllw $7, %%mm1 \n\t" |
|
"paddw %%mm1, %%mm0 \n\t" |
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
|
|
|
"add $8, %%"REG_a" \n\t" |
|
// End |
|
"9: \n\t" |
|
// "int $3 \n\t" |
|
"lea " LOCAL_MANGLE(0b) ", %0 \n\t" |
|
"lea " LOCAL_MANGLE(1b) ", %1 \n\t" |
|
"lea " LOCAL_MANGLE(2b) ", %2 \n\t" |
|
"dec %1 \n\t" |
|
"dec %2 \n\t" |
|
"sub %0, %1 \n\t" |
|
"sub %0, %2 \n\t" |
|
"lea " LOCAL_MANGLE(9b) ", %3 \n\t" |
|
"sub %0, %3 \n\t" |
|
|
|
|
|
:"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), |
|
"=r" (fragmentLengthA) |
|
); |
|
|
|
__asm__ volatile( |
|
"jmp 9f \n\t" |
|
// Begin |
|
"0: \n\t" |
|
"movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" |
|
"movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" |
|
"punpcklbw %%mm7, %%mm0 \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm1 \n\t" |
|
"1: \n\t" |
|
"pshufw $0xFF, %%mm0, %%mm0 \n\t" |
|
"2: \n\t" |
|
"psubw %%mm1, %%mm0 \n\t" |
|
"movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" |
|
"pmullw %%mm3, %%mm0 \n\t" |
|
"psllw $7, %%mm1 \n\t" |
|
"paddw %%mm1, %%mm0 \n\t" |
|
|
|
"movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" |
|
|
|
"add $8, %%"REG_a" \n\t" |
|
// End |
|
"9: \n\t" |
|
// "int $3 \n\t" |
|
"lea " LOCAL_MANGLE(0b) ", %0 \n\t" |
|
"lea " LOCAL_MANGLE(1b) ", %1 \n\t" |
|
"lea " LOCAL_MANGLE(2b) ", %2 \n\t" |
|
"dec %1 \n\t" |
|
"dec %2 \n\t" |
|
"sub %0, %1 \n\t" |
|
"sub %0, %2 \n\t" |
|
"lea " LOCAL_MANGLE(9b) ", %3 \n\t" |
|
"sub %0, %3 \n\t" |
|
|
|
|
|
:"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), |
|
"=r" (fragmentLengthB) |
|
); |
|
|
|
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers |
|
fragmentPos=0; |
|
|
|
for (i=0; i<dstW/numSplits; i++) |
|
{ |
|
int xx=xpos>>16; |
|
|
|
if ((i&3) == 0) |
|
{ |
|
int a=0; |
|
int b=((xpos+xInc)>>16) - xx; |
|
int c=((xpos+xInc*2)>>16) - xx; |
|
int d=((xpos+xInc*3)>>16) - xx; |
|
|
|
filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; |
|
filterPos[i/2]= xx; |
|
|
|
if (d+1<4) |
|
{ |
|
int maxShift= 3-(d+1); |
|
int shift=0; |
|
|
|
memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB); |
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1B]= |
|
(a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6); |
|
funnyCode[fragmentPos + imm8OfPShufW2B]= |
|
a | (b<<2) | (c<<4) | (d<<6); |
|
|
|
if (i+3>=dstW) shift=maxShift; //avoid overread |
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align |
|
|
|
if (shift && i>=shift) |
|
{ |
|
funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift; |
|
funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift; |
|
filterPos[i/2]-=shift; |
|
} |
|
|
|
fragmentPos+= fragmentLengthB; |
|
} |
|
else |
|
{ |
|
int maxShift= 3-d; |
|
int shift=0; |
|
|
|
memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA); |
|
|
|
funnyCode[fragmentPos + imm8OfPShufW1A]= |
|
funnyCode[fragmentPos + imm8OfPShufW2A]= |
|
a | (b<<2) | (c<<4) | (d<<6); |
|
|
|
if (i+4>=dstW) shift=maxShift; //avoid overread |
|
else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align |
|
|
|
if (shift && i>=shift) |
|
{ |
|
funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift; |
|
funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift; |
|
filterPos[i/2]-=shift; |
|
} |
|
|
|
fragmentPos+= fragmentLengthA; |
|
} |
|
|
|
funnyCode[fragmentPos]= RET; |
|
} |
|
xpos+=xInc; |
|
} |
|
filterPos[((i/2)+1)&(~1)]= xpos>>16; // needed to jump to the next part |
|
} |
|
#endif /* COMPILE_MMX2 */ |
|
|
|
static void globalInit(void){ |
|
// generating tables: |
|
int i; |
|
for (i=0; i<768; i++){ |
|
int c= av_clip_uint8(i-256); |
|
clip_table[i]=c; |
|
} |
|
} |
|
|
|
static SwsFunc getSwsFunc(SwsContext *c) |
|
{ |
|
#if CONFIG_RUNTIME_CPUDETECT |
|
int flags = c->flags; |
|
|
|
#if ARCH_X86 && CONFIG_GPL |
|
// ordered per speed fastest first |
|
if (flags & SWS_CPU_CAPS_MMX2) { |
|
sws_init_swScale_MMX2(c); |
|
return swScale_MMX2; |
|
} else if (flags & SWS_CPU_CAPS_3DNOW) { |
|
sws_init_swScale_3DNow(c); |
|
return swScale_3DNow; |
|
} else if (flags & SWS_CPU_CAPS_MMX) { |
|
sws_init_swScale_MMX(c); |
|
return swScale_MMX; |
|
} else { |
|
sws_init_swScale_C(c); |
|
return swScale_C; |
|
} |
|
|
|
#else |
|
#if ARCH_PPC |
|
if (flags & SWS_CPU_CAPS_ALTIVEC) { |
|
sws_init_swScale_altivec(c); |
|
return swScale_altivec; |
|
} else { |
|
sws_init_swScale_C(c); |
|
return swScale_C; |
|
} |
|
#endif |
|
sws_init_swScale_C(c); |
|
return swScale_C; |
|
#endif /* ARCH_X86 && CONFIG_GPL */ |
|
#else //CONFIG_RUNTIME_CPUDETECT |
|
#if HAVE_MMX2 |
|
sws_init_swScale_MMX2(c); |
|
return swScale_MMX2; |
|
#elif HAVE_AMD3DNOW |
|
sws_init_swScale_3DNow(c); |
|
return swScale_3DNow; |
|
#elif HAVE_MMX |
|
sws_init_swScale_MMX(c); |
|
return swScale_MMX; |
|
#elif HAVE_ALTIVEC |
|
sws_init_swScale_altivec(c); |
|
return swScale_altivec; |
|
#else |
|
sws_init_swScale_C(c); |
|
return swScale_C; |
|
#endif |
|
#endif //!CONFIG_RUNTIME_CPUDETECT |
|
} |
|
|
|
static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
/* Copy Y plane */ |
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
|
memcpy(dst, src[0], srcSliceH*dstStride[0]); |
|
else |
|
{ |
|
int i; |
|
const uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst; |
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, c->srcW); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
dst = dstParam[1] + dstStride[1]*srcSliceY/2; |
|
if (c->dstFormat == PIX_FMT_NV12) |
|
interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); |
|
else |
|
interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
|
|
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
|
|
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
|
|
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; |
|
|
|
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int YUYV2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; |
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; |
|
|
|
yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
if (dstParam[3]) |
|
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int YUYV2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; |
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; |
|
|
|
yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int UYVY2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2; |
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2; |
|
|
|
uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
if (dstParam[3]) |
|
fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int UYVY2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dstParam[], int dstStride[]){ |
|
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY; |
|
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY; |
|
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY; |
|
|
|
uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
const enum PixelFormat srcFormat= c->srcFormat; |
|
const enum PixelFormat dstFormat= c->dstFormat; |
|
void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, |
|
const uint8_t *palette)=NULL; |
|
int i; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
|
uint8_t *srcPtr= src[0]; |
|
|
|
if (!usePal(srcFormat)) |
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
|
|
switch(dstFormat){ |
|
case PIX_FMT_RGB32 : conv = palette8topacked32; break; |
|
case PIX_FMT_BGR32 : conv = palette8topacked32; break; |
|
case PIX_FMT_BGR32_1: conv = palette8topacked32; break; |
|
case PIX_FMT_RGB32_1: conv = palette8topacked32; break; |
|
case PIX_FMT_RGB24 : conv = palette8topacked24; break; |
|
case PIX_FMT_BGR24 : conv = palette8topacked24; break; |
|
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break; |
|
} |
|
|
|
|
|
for (i=0; i<srcSliceH; i++) { |
|
conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
|
|
return srcSliceH; |
|
} |
|
|
|
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ |
|
static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
const enum PixelFormat srcFormat= c->srcFormat; |
|
const enum PixelFormat dstFormat= c->dstFormat; |
|
const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3; |
|
const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3; |
|
const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ |
|
const int dstId= fmt_depth(dstFormat) >> 2; |
|
void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; |
|
|
|
/* BGR -> BGR */ |
|
if ( (isBGR(srcFormat) && isBGR(dstFormat)) |
|
|| (isRGB(srcFormat) && isRGB(dstFormat))){ |
|
switch(srcId | (dstId<<4)){ |
|
case 0x34: conv= rgb16to15; break; |
|
case 0x36: conv= rgb24to15; break; |
|
case 0x38: conv= rgb32to15; break; |
|
case 0x43: conv= rgb15to16; break; |
|
case 0x46: conv= rgb24to16; break; |
|
case 0x48: conv= rgb32to16; break; |
|
case 0x63: conv= rgb15to24; break; |
|
case 0x64: conv= rgb16to24; break; |
|
case 0x68: conv= rgb32to24; break; |
|
case 0x83: conv= rgb15to32; break; |
|
case 0x84: conv= rgb16to32; break; |
|
case 0x86: conv= rgb24to32; break; |
|
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break; |
|
} |
|
}else if ( (isBGR(srcFormat) && isRGB(dstFormat)) |
|
|| (isRGB(srcFormat) && isBGR(dstFormat))){ |
|
switch(srcId | (dstId<<4)){ |
|
case 0x33: conv= rgb15tobgr15; break; |
|
case 0x34: conv= rgb16tobgr15; break; |
|
case 0x36: conv= rgb24tobgr15; break; |
|
case 0x38: conv= rgb32tobgr15; break; |
|
case 0x43: conv= rgb15tobgr16; break; |
|
case 0x44: conv= rgb16tobgr16; break; |
|
case 0x46: conv= rgb24tobgr16; break; |
|
case 0x48: conv= rgb32tobgr16; break; |
|
case 0x63: conv= rgb15tobgr24; break; |
|
case 0x64: conv= rgb16tobgr24; break; |
|
case 0x66: conv= rgb24tobgr24; break; |
|
case 0x68: conv= rgb32tobgr24; break; |
|
case 0x83: conv= rgb15tobgr32; break; |
|
case 0x84: conv= rgb16tobgr32; break; |
|
case 0x86: conv= rgb24tobgr32; break; |
|
case 0x88: conv= rgb32tobgr32; break; |
|
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); break; |
|
} |
|
}else{ |
|
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
} |
|
|
|
if(conv) |
|
{ |
|
uint8_t *srcPtr= src[0]; |
|
if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) |
|
srcPtr += ALT32_CORR; |
|
|
|
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) |
|
conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); |
|
else |
|
{ |
|
int i; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
|
|
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
conv(srcPtr, dstPtr, c->srcW*srcBpp); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
|
|
rgb24toyv12( |
|
src[0], |
|
dst[0]+ srcSliceY *dstStride[0], |
|
dst[1]+(srcSliceY>>1)*dstStride[1], |
|
dst[2]+(srcSliceY>>1)*dstStride[2], |
|
c->srcW, srcSliceH, |
|
dstStride[0], dstStride[1], srcStride[0]); |
|
if (dst[3]) |
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
return srcSliceH; |
|
} |
|
|
|
static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
int i; |
|
|
|
/* copy Y */ |
|
if (srcStride[0]==dstStride[0] && srcStride[0] > 0) |
|
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); |
|
else{ |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
|
|
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, c->srcW); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
|
|
if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P){ |
|
planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[1], dstStride[1]); |
|
planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[2], dstStride[2]); |
|
}else{ |
|
planar2x(src[1], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[1], dstStride[2]); |
|
planar2x(src[2], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW, |
|
srcSliceH >> 2, srcStride[2], dstStride[1]); |
|
} |
|
if (dst[3]) |
|
fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255); |
|
return srcSliceH; |
|
} |
|
|
|
/* unscaled copy like stuff (assumes nearly identical formats) */ |
|
static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]) |
|
{ |
|
if (dstStride[0]==srcStride[0] && srcStride[0] > 0) |
|
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); |
|
else |
|
{ |
|
int i; |
|
uint8_t *srcPtr= src[0]; |
|
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; |
|
int length=0; |
|
|
|
/* universal length finder */ |
|
while(length+c->srcW <= FFABS(dstStride[0]) |
|
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW; |
|
assert(length!=0); |
|
|
|
for (i=0; i<srcSliceH; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, length); |
|
srcPtr+= srcStride[0]; |
|
dstPtr+= dstStride[0]; |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]) |
|
{ |
|
int plane, i, j; |
|
for (plane=0; plane<4; plane++) |
|
{ |
|
int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); |
|
int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); |
|
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); |
|
uint8_t *srcPtr= src[plane]; |
|
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; |
|
|
|
if (!dst[plane]) continue; |
|
// ignore palette for GRAY8 |
|
if (plane == 1 && !dst[2]) continue; |
|
if (!src[plane] || (plane == 1 && !src[2])){ |
|
if(is16BPS(c->dstFormat)) |
|
length*=2; |
|
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128); |
|
}else |
|
{ |
|
if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)){ |
|
if (!isBE(c->srcFormat)) srcPtr++; |
|
for (i=0; i<height; i++){ |
|
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; |
|
srcPtr+= srcStride[plane]; |
|
dstPtr+= dstStride[plane]; |
|
} |
|
}else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)){ |
|
for (i=0; i<height; i++){ |
|
for (j=0; j<length; j++){ |
|
dstPtr[ j<<1 ] = srcPtr[j]; |
|
dstPtr[(j<<1)+1] = srcPtr[j]; |
|
} |
|
srcPtr+= srcStride[plane]; |
|
dstPtr+= dstStride[plane]; |
|
} |
|
}else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat) |
|
&& isBE(c->srcFormat) != isBE(c->dstFormat)){ |
|
|
|
for (i=0; i<height; i++){ |
|
for (j=0; j<length; j++) |
|
((uint16_t*)dstPtr)[j] = bswap_16(((uint16_t*)srcPtr)[j]); |
|
srcPtr+= srcStride[plane]; |
|
dstPtr+= dstStride[plane]; |
|
} |
|
} else if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) |
|
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); |
|
else |
|
{ |
|
if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) |
|
length*=2; |
|
for (i=0; i<height; i++) |
|
{ |
|
memcpy(dstPtr, srcPtr, length); |
|
srcPtr+= srcStride[plane]; |
|
dstPtr+= dstStride[plane]; |
|
} |
|
} |
|
} |
|
} |
|
return srcSliceH; |
|
} |
|
|
|
|
|
static void getSubSampleFactors(int *h, int *v, int format){ |
|
switch(format){ |
|
case PIX_FMT_UYVY422: |
|
case PIX_FMT_YUYV422: |
|
*h=1; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV420P: |
|
case PIX_FMT_YUV420PLE: |
|
case PIX_FMT_YUV420PBE: |
|
case PIX_FMT_YUVA420P: |
|
case PIX_FMT_GRAY16BE: |
|
case PIX_FMT_GRAY16LE: |
|
case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented |
|
case PIX_FMT_NV12: |
|
case PIX_FMT_NV21: |
|
*h=1; |
|
*v=1; |
|
break; |
|
case PIX_FMT_YUV440P: |
|
*h=0; |
|
*v=1; |
|
break; |
|
case PIX_FMT_YUV410P: |
|
*h=2; |
|
*v=2; |
|
break; |
|
case PIX_FMT_YUV444P: |
|
case PIX_FMT_YUV444PLE: |
|
case PIX_FMT_YUV444PBE: |
|
*h=0; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV422P: |
|
case PIX_FMT_YUV422PLE: |
|
case PIX_FMT_YUV422PBE: |
|
*h=1; |
|
*v=0; |
|
break; |
|
case PIX_FMT_YUV411P: |
|
*h=2; |
|
*v=0; |
|
break; |
|
default: |
|
*h=0; |
|
*v=0; |
|
break; |
|
} |
|
} |
|
|
|
static uint16_t roundToInt16(int64_t f){ |
|
int r= (f + (1<<15))>>16; |
|
if (r<-0x7FFF) return 0x8000; |
|
else if (r> 0x7FFF) return 0x7FFF; |
|
else return r; |
|
} |
|
|
|
int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ |
|
int64_t crv = inv_table[0]; |
|
int64_t cbu = inv_table[1]; |
|
int64_t cgu = -inv_table[2]; |
|
int64_t cgv = -inv_table[3]; |
|
int64_t cy = 1<<16; |
|
int64_t oy = 0; |
|
|
|
memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4); |
|
memcpy(c->dstColorspaceTable, table, sizeof(int)*4); |
|
|
|
c->brightness= brightness; |
|
c->contrast = contrast; |
|
c->saturation= saturation; |
|
c->srcRange = srcRange; |
|
c->dstRange = dstRange; |
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
|
|
|
c->uOffset= 0x0400040004000400LL; |
|
c->vOffset= 0x0400040004000400LL; |
|
|
|
if (!srcRange){ |
|
cy= (cy*255) / 219; |
|
oy= 16<<16; |
|
}else{ |
|
crv= (crv*224) / 255; |
|
cbu= (cbu*224) / 255; |
|
cgu= (cgu*224) / 255; |
|
cgv= (cgv*224) / 255; |
|
} |
|
|
|
cy = (cy *contrast )>>16; |
|
crv= (crv*contrast * saturation)>>32; |
|
cbu= (cbu*contrast * saturation)>>32; |
|
cgu= (cgu*contrast * saturation)>>32; |
|
cgv= (cgv*contrast * saturation)>>32; |
|
|
|
oy -= 256*brightness; |
|
|
|
c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL; |
|
c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL; |
|
c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL; |
|
c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL; |
|
c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL; |
|
c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL; |
|
|
|
c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy <<13); |
|
c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9); |
|
c->yuv2rgb_v2r_coeff= (int16_t)roundToInt16(crv<<13); |
|
c->yuv2rgb_v2g_coeff= (int16_t)roundToInt16(cgv<<13); |
|
c->yuv2rgb_u2g_coeff= (int16_t)roundToInt16(cgu<<13); |
|
c->yuv2rgb_u2b_coeff= (int16_t)roundToInt16(cbu<<13); |
|
|
|
ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); |
|
//FIXME factorize |
|
|
|
#ifdef COMPILE_ALTIVEC |
|
if (c->flags & SWS_CPU_CAPS_ALTIVEC) |
|
ff_yuv2rgb_init_tables_altivec(c, inv_table, brightness, contrast, saturation); |
|
#endif |
|
return 0; |
|
} |
|
|
|
int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ |
|
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; |
|
|
|
*inv_table = c->srcColorspaceTable; |
|
*table = c->dstColorspaceTable; |
|
*srcRange = c->srcRange; |
|
*dstRange = c->dstRange; |
|
*brightness= c->brightness; |
|
*contrast = c->contrast; |
|
*saturation= c->saturation; |
|
|
|
return 0; |
|
} |
|
|
|
static int handle_jpeg(enum PixelFormat *format) |
|
{ |
|
switch (*format) { |
|
case PIX_FMT_YUVJ420P: |
|
*format = PIX_FMT_YUV420P; |
|
return 1; |
|
case PIX_FMT_YUVJ422P: |
|
*format = PIX_FMT_YUV422P; |
|
return 1; |
|
case PIX_FMT_YUVJ444P: |
|
*format = PIX_FMT_YUV444P; |
|
return 1; |
|
case PIX_FMT_YUVJ440P: |
|
*format = PIX_FMT_YUV440P; |
|
return 1; |
|
default: |
|
return 0; |
|
} |
|
} |
|
|
|
SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags, |
|
SwsFilter *srcFilter, SwsFilter *dstFilter, const double *param) |
|
{ |
|
|
|
SwsContext *c; |
|
int i; |
|
int usesVFilter, usesHFilter; |
|
int unscaled, needsDither; |
|
int srcRange, dstRange; |
|
SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; |
|
#if ARCH_X86 |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
__asm__ volatile("emms\n\t"::: "memory"); |
|
#endif |
|
|
|
#if !CONFIG_RUNTIME_CPUDETECT //ensure that the flags match the compiled variant if cpudetect is off |
|
flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN); |
|
#if HAVE_MMX2 |
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; |
|
#elif HAVE_AMD3DNOW |
|
flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; |
|
#elif HAVE_MMX |
|
flags |= SWS_CPU_CAPS_MMX; |
|
#elif HAVE_ALTIVEC |
|
flags |= SWS_CPU_CAPS_ALTIVEC; |
|
#elif ARCH_BFIN |
|
flags |= SWS_CPU_CAPS_BFIN; |
|
#endif |
|
#endif /* CONFIG_RUNTIME_CPUDETECT */ |
|
if (clip_table[512] != 255) globalInit(); |
|
if (!rgb15to16) sws_rgb2rgb_init(flags); |
|
|
|
unscaled = (srcW == dstW && srcH == dstH); |
|
needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) |
|
&& (fmt_depth(dstFormat))<24 |
|
&& ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); |
|
|
|
srcRange = handle_jpeg(&srcFormat); |
|
dstRange = handle_jpeg(&dstFormat); |
|
|
|
if (!isSupportedIn(srcFormat)) |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat)); |
|
return NULL; |
|
} |
|
if (!isSupportedOut(dstFormat)) |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat)); |
|
return NULL; |
|
} |
|
|
|
i= flags & ( SWS_POINT |
|
|SWS_AREA |
|
|SWS_BILINEAR |
|
|SWS_FAST_BILINEAR |
|
|SWS_BICUBIC |
|
|SWS_X |
|
|SWS_GAUSS |
|
|SWS_LANCZOS |
|
|SWS_SINC |
|
|SWS_SPLINE |
|
|SWS_BICUBLIN); |
|
if(!i || (i & (i-1))) |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be chosen\n"); |
|
return NULL; |
|
} |
|
|
|
/* sanity check */ |
|
if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code |
|
{ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n", |
|
srcW, srcH, dstW, dstH); |
|
return NULL; |
|
} |
|
if(srcW > VOFW || dstW > VOFW){ |
|
av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n"); |
|
return NULL; |
|
} |
|
|
|
if (!dstFilter) dstFilter= &dummyFilter; |
|
if (!srcFilter) srcFilter= &dummyFilter; |
|
|
|
c= av_mallocz(sizeof(SwsContext)); |
|
|
|
c->av_class = &sws_context_class; |
|
c->srcW= srcW; |
|
c->srcH= srcH; |
|
c->dstW= dstW; |
|
c->dstH= dstH; |
|
c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; |
|
c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; |
|
c->flags= flags; |
|
c->dstFormat= dstFormat; |
|
c->srcFormat= srcFormat; |
|
c->vRounder= 4* 0x0001000100010001ULL; |
|
|
|
usesHFilter= usesVFilter= 0; |
|
if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1; |
|
if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1; |
|
if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1; |
|
if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1; |
|
if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1; |
|
if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1; |
|
if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1; |
|
if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1; |
|
|
|
getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); |
|
getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); |
|
|
|
// reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation |
|
if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; |
|
|
|
// drop some chroma lines if the user wants it |
|
c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; |
|
c->chrSrcVSubSample+= c->vChrDrop; |
|
|
|
// drop every other pixel for chroma calculation unless user wants full chroma |
|
if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP) |
|
&& srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8 |
|
&& srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4 |
|
&& srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE |
|
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT)))) |
|
c->chrSrcHSubSample=1; |
|
|
|
if (param){ |
|
c->param[0] = param[0]; |
|
c->param[1] = param[1]; |
|
}else{ |
|
c->param[0] = |
|
c->param[1] = SWS_PARAM_DEFAULT; |
|
} |
|
|
|
// Note the -((-x)>>y) is so that we always round toward +inf. |
|
c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample); |
|
c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample); |
|
c->chrDstW= -((-dstW) >> c->chrDstHSubSample); |
|
c->chrDstH= -((-dstH) >> c->chrDstVSubSample); |
|
|
|
sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16); |
|
|
|
/* unscaled special cases */ |
|
if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) |
|
{ |
|
/* yv12_to_nv12 */ |
|
if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) |
|
{ |
|
c->swScale= PlanarToNV12Wrapper; |
|
} |
|
/* yuv2bgr */ |
|
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && (isBGR(dstFormat) || isRGB(dstFormat)) |
|
&& !(flags & SWS_ACCURATE_RND) && !(dstH&1)) |
|
{ |
|
c->swScale= ff_yuv2rgb_get_func_ptr(c); |
|
} |
|
|
|
if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) |
|
{ |
|
c->swScale= yvu9toyv12Wrapper; |
|
} |
|
|
|
/* bgr24toYV12 */ |
|
if (srcFormat==PIX_FMT_BGR24 && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_ACCURATE_RND)) |
|
c->swScale= bgr24toyv12Wrapper; |
|
|
|
/* RGB/BGR -> RGB/BGR (no dither needed forms) */ |
|
if ( (isBGR(srcFormat) || isRGB(srcFormat)) |
|
&& (isBGR(dstFormat) || isRGB(dstFormat)) |
|
&& srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8 |
|
&& srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8 |
|
&& srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4 |
|
&& srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4 |
|
&& srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE |
|
&& srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE |
|
&& srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK |
|
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE |
|
&& dstFormat != PIX_FMT_RGB32_1 |
|
&& dstFormat != PIX_FMT_BGR32_1 |
|
&& srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE |
|
&& srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE |
|
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) |
|
c->swScale= rgb2rgbWrapper; |
|
|
|
if ((usePal(srcFormat) && ( |
|
dstFormat == PIX_FMT_RGB32 || |
|
dstFormat == PIX_FMT_RGB32_1 || |
|
dstFormat == PIX_FMT_RGB24 || |
|
dstFormat == PIX_FMT_BGR32 || |
|
dstFormat == PIX_FMT_BGR32_1 || |
|
dstFormat == PIX_FMT_BGR24))) |
|
c->swScale= pal2rgbWrapper; |
|
|
|
if (srcFormat == PIX_FMT_YUV422P) |
|
{ |
|
if (dstFormat == PIX_FMT_YUYV422) |
|
c->swScale= YUV422PToYuy2Wrapper; |
|
else if (dstFormat == PIX_FMT_UYVY422) |
|
c->swScale= YUV422PToUyvyWrapper; |
|
} |
|
|
|
/* LQ converters if -sws 0 or -sws 4*/ |
|
if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){ |
|
/* yv12_to_yuy2 */ |
|
if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) |
|
{ |
|
if (dstFormat == PIX_FMT_YUYV422) |
|
c->swScale= PlanarToYuy2Wrapper; |
|
else if (dstFormat == PIX_FMT_UYVY422) |
|
c->swScale= PlanarToUyvyWrapper; |
|
} |
|
} |
|
if(srcFormat == PIX_FMT_YUYV422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) |
|
c->swScale= YUYV2YUV420Wrapper; |
|
if(srcFormat == PIX_FMT_UYVY422 && (dstFormat == PIX_FMT_YUV420P || dstFormat == PIX_FMT_YUVA420P)) |
|
c->swScale= UYVY2YUV420Wrapper; |
|
if(srcFormat == PIX_FMT_YUYV422 && dstFormat == PIX_FMT_YUV422P) |
|
c->swScale= YUYV2YUV422Wrapper; |
|
if(srcFormat == PIX_FMT_UYVY422 && dstFormat == PIX_FMT_YUV422P) |
|
c->swScale= UYVY2YUV422Wrapper; |
|
|
|
#ifdef COMPILE_ALTIVEC |
|
if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && |
|
!(c->flags & SWS_BITEXACT) && |
|
srcFormat == PIX_FMT_YUV420P) { |
|
// unscaled YV12 -> packed YUV, we want speed |
|
if (dstFormat == PIX_FMT_YUYV422) |
|
c->swScale= yv12toyuy2_unscaled_altivec; |
|
else if (dstFormat == PIX_FMT_UYVY422) |
|
c->swScale= yv12touyvy_unscaled_altivec; |
|
} |
|
#endif |
|
|
|
/* simple copy */ |
|
if ( srcFormat == dstFormat |
|
|| (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) |
|
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P) |
|
|| (isPlanarYUV(srcFormat) && isGray(dstFormat)) |
|
|| (isPlanarYUV(dstFormat) && isGray(srcFormat)) |
|
|| (isGray(dstFormat) && isGray(srcFormat)) |
|
|| (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) |
|
&& c->chrDstHSubSample == c->chrSrcHSubSample |
|
&& c->chrDstVSubSample == c->chrSrcVSubSample)) |
|
{ |
|
if (isPacked(c->srcFormat)) |
|
c->swScale= packedCopy; |
|
else /* Planar YUV or gray */ |
|
c->swScale= planarCopy; |
|
} |
|
#if ARCH_BFIN |
|
if (flags & SWS_CPU_CAPS_BFIN) |
|
ff_bfin_get_unscaled_swscale (c); |
|
#endif |
|
|
|
if (c->swScale){ |
|
if (flags&SWS_PRINT_INFO) |
|
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
return c; |
|
} |
|
} |
|
|
|
if (flags & SWS_CPU_CAPS_MMX2) |
|
{ |
|
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; |
|
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) |
|
{ |
|
if (flags&SWS_PRINT_INFO) |
|
av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n"); |
|
} |
|
if (usesHFilter) c->canMMX2BeUsed=0; |
|
} |
|
else |
|
c->canMMX2BeUsed=0; |
|
|
|
c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; |
|
c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; |
|
|
|
// match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst |
|
// but only for the FAST_BILINEAR mode otherwise do correct scaling |
|
// n-2 is the last chrominance sample available |
|
// this is not perfect, but no one should notice the difference, the more correct variant |
|
// would be like the vertical one, but that would require some special code for the |
|
// first and last pixel |
|
if (flags&SWS_FAST_BILINEAR) |
|
{ |
|
if (c->canMMX2BeUsed) |
|
{ |
|
c->lumXInc+= 20; |
|
c->chrXInc+= 20; |
|
} |
|
//we don't use the x86 asm scaler if MMX is available |
|
else if (flags & SWS_CPU_CAPS_MMX) |
|
{ |
|
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; |
|
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; |
|
} |
|
} |
|
|
|
/* precalculate horizontal scaler filter coefficients */ |
|
{ |
|
const int filterAlign= |
|
(flags & SWS_CPU_CAPS_MMX) ? 4 : |
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : |
|
1; |
|
|
|
initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, |
|
srcW , dstW, filterAlign, 1<<14, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
|
srcFilter->lumH, dstFilter->lumH, c->param); |
|
initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, |
|
c->chrSrcW, c->chrDstW, filterAlign, 1<<14, |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
|
srcFilter->chrH, dstFilter->chrH, c->param); |
|
|
|
#define MAX_FUNNY_CODE_SIZE 10000 |
|
#if defined(COMPILE_MMX2) |
|
// can't downscale !!! |
|
if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) |
|
{ |
|
#ifdef MAP_ANONYMOUS |
|
c->funnyYCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
|
c->funnyUVCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); |
|
#elif HAVE_VIRTUALALLOC |
|
c->funnyYCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
|
c->funnyUVCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
|
#else |
|
c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
|
c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); |
|
#endif |
|
|
|
c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); |
|
c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t)); |
|
c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); |
|
c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); |
|
|
|
initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8); |
|
initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4); |
|
} |
|
#endif /* defined(COMPILE_MMX2) */ |
|
} // initialize horizontal stuff |
|
|
|
|
|
|
|
/* precalculate vertical scaler filter coefficients */ |
|
{ |
|
const int filterAlign= |
|
(flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 : |
|
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : |
|
1; |
|
|
|
initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, |
|
srcH , dstH, filterAlign, (1<<12), |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, |
|
srcFilter->lumV, dstFilter->lumV, c->param); |
|
initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, |
|
c->chrSrcH, c->chrDstH, filterAlign, (1<<12), |
|
(flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, |
|
srcFilter->chrV, dstFilter->chrV, c->param); |
|
|
|
#if HAVE_ALTIVEC |
|
c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH); |
|
c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH); |
|
|
|
for (i=0;i<c->vLumFilterSize*c->dstH;i++) { |
|
int j; |
|
short *p = (short *)&c->vYCoeffsBank[i]; |
|
for (j=0;j<8;j++) |
|
p[j] = c->vLumFilter[i]; |
|
} |
|
|
|
for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) { |
|
int j; |
|
short *p = (short *)&c->vCCoeffsBank[i]; |
|
for (j=0;j<8;j++) |
|
p[j] = c->vChrFilter[i]; |
|
} |
|
#endif |
|
} |
|
|
|
// calculate buffer sizes so that they won't run out while handling these damn slices |
|
c->vLumBufSize= c->vLumFilterSize; |
|
c->vChrBufSize= c->vChrFilterSize; |
|
for (i=0; i<dstH; i++) |
|
{ |
|
int chrI= i*c->chrDstH / dstH; |
|
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, |
|
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); |
|
|
|
nextSlice>>= c->chrSrcVSubSample; |
|
nextSlice<<= c->chrSrcVSubSample; |
|
if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice) |
|
c->vLumBufSize= nextSlice - c->vLumFilterPos[i]; |
|
if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample)) |
|
c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI]; |
|
} |
|
|
|
// allocate pixbufs (we use dynamic allocation because otherwise we would need to |
|
c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); |
|
c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*)); |
|
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) |
|
c->alpPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); |
|
//Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000) |
|
/* align at 16 bytes for AltiVec */ |
|
for (i=0; i<c->vLumBufSize; i++) |
|
c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1); |
|
for (i=0; i<c->vChrBufSize; i++) |
|
c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc((VOF+1)*2); |
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) |
|
for (i=0; i<c->vLumBufSize; i++) |
|
c->alpPixBuf[i]= c->alpPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1); |
|
|
|
//try to avoid drawing green stuff between the right end and the stride end |
|
for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2); |
|
|
|
assert(2*VOFW == VOF); |
|
|
|
assert(c->chrDstH <= dstH); |
|
|
|
if (flags&SWS_PRINT_INFO) |
|
{ |
|
#ifdef DITHER1XBPP |
|
const char *dither= " dithered"; |
|
#else |
|
const char *dither= ""; |
|
#endif |
|
if (flags&SWS_FAST_BILINEAR) |
|
av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, "); |
|
else if (flags&SWS_BILINEAR) |
|
av_log(c, AV_LOG_INFO, "BILINEAR scaler, "); |
|
else if (flags&SWS_BICUBIC) |
|
av_log(c, AV_LOG_INFO, "BICUBIC scaler, "); |
|
else if (flags&SWS_X) |
|
av_log(c, AV_LOG_INFO, "Experimental scaler, "); |
|
else if (flags&SWS_POINT) |
|
av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, "); |
|
else if (flags&SWS_AREA) |
|
av_log(c, AV_LOG_INFO, "Area Averageing scaler, "); |
|
else if (flags&SWS_BICUBLIN) |
|
av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, "); |
|
else if (flags&SWS_GAUSS) |
|
av_log(c, AV_LOG_INFO, "Gaussian scaler, "); |
|
else if (flags&SWS_SINC) |
|
av_log(c, AV_LOG_INFO, "Sinc scaler, "); |
|
else if (flags&SWS_LANCZOS) |
|
av_log(c, AV_LOG_INFO, "Lanczos scaler, "); |
|
else if (flags&SWS_SPLINE) |
|
av_log(c, AV_LOG_INFO, "Bicubic spline scaler, "); |
|
else |
|
av_log(c, AV_LOG_INFO, "ehh flags invalid?! "); |
|
|
|
if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565) |
|
av_log(c, AV_LOG_INFO, "from %s to%s %s ", |
|
sws_format_name(srcFormat), dither, sws_format_name(dstFormat)); |
|
else |
|
av_log(c, AV_LOG_INFO, "from %s to %s ", |
|
sws_format_name(srcFormat), sws_format_name(dstFormat)); |
|
|
|
if (flags & SWS_CPU_CAPS_MMX2) |
|
av_log(c, AV_LOG_INFO, "using MMX2\n"); |
|
else if (flags & SWS_CPU_CAPS_3DNOW) |
|
av_log(c, AV_LOG_INFO, "using 3DNOW\n"); |
|
else if (flags & SWS_CPU_CAPS_MMX) |
|
av_log(c, AV_LOG_INFO, "using MMX\n"); |
|
else if (flags & SWS_CPU_CAPS_ALTIVEC) |
|
av_log(c, AV_LOG_INFO, "using AltiVec\n"); |
|
else |
|
av_log(c, AV_LOG_INFO, "using C\n"); |
|
} |
|
|
|
if (flags & SWS_PRINT_INFO) |
|
{ |
|
if (flags & SWS_CPU_CAPS_MMX) |
|
{ |
|
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR)) |
|
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n"); |
|
else |
|
{ |
|
if (c->hLumFilterSize==4) |
|
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n"); |
|
else if (c->hLumFilterSize==8) |
|
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n"); |
|
|
|
if (c->hChrFilterSize==4) |
|
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n"); |
|
else if (c->hChrFilterSize==8) |
|
av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n"); |
|
} |
|
} |
|
else |
|
{ |
|
#if ARCH_X86 |
|
av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n"); |
|
#else |
|
if (flags & SWS_FAST_BILINEAR) |
|
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n"); |
|
#endif |
|
} |
|
if (isPlanarYUV(dstFormat)) |
|
{ |
|
if (c->vLumFilterSize==1) |
|
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
} |
|
else |
|
{ |
|
if (c->vLumFilterSize==1 && c->vChrFilterSize==2) |
|
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n" |
|
" 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (c->vLumFilterSize==2 && c->vChrFilterSize==2) |
|
av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else |
|
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
} |
|
|
|
if (dstFormat==PIX_FMT_BGR24) |
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 converter\n", |
|
(flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C")); |
|
else if (dstFormat==PIX_FMT_RGB32) |
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (dstFormat==PIX_FMT_BGR565) |
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
else if (dstFormat==PIX_FMT_BGR555) |
|
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); |
|
|
|
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH); |
|
} |
|
if (flags & SWS_PRINT_INFO) |
|
{ |
|
av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", |
|
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); |
|
av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", |
|
c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc); |
|
} |
|
|
|
c->swScale= getSwsFunc(c); |
|
return c; |
|
} |
|
|
|
static void reset_ptr(uint8_t* src[], int format){ |
|
if(!isALPHA(format)) |
|
src[3]=NULL; |
|
if(!isPlanarYUV(format)){ |
|
src[3]=src[2]=NULL; |
|
if( format != PIX_FMT_PAL8 |
|
&& format != PIX_FMT_RGB8 |
|
&& format != PIX_FMT_BGR8 |
|
&& format != PIX_FMT_RGB4_BYTE |
|
&& format != PIX_FMT_BGR4_BYTE |
|
) |
|
src[1]= NULL; |
|
} |
|
} |
|
|
|
/** |
|
* swscale wrapper, so we don't need to export the SwsContext. |
|
* Assumes planar YUV to be in YUV order instead of YVU. |
|
*/ |
|
int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
int i; |
|
uint8_t* src2[4]= {src[0], src[1], src[2], src[3]}; |
|
uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]}; |
|
|
|
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { |
|
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n"); |
|
return 0; |
|
} |
|
if (c->sliceDir == 0) { |
|
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; |
|
} |
|
|
|
if (usePal(c->srcFormat)){ |
|
for (i=0; i<256; i++){ |
|
int p, r, g, b,y,u,v; |
|
if(c->srcFormat == PIX_FMT_PAL8){ |
|
p=((uint32_t*)(src[1]))[i]; |
|
r= (p>>16)&0xFF; |
|
g= (p>> 8)&0xFF; |
|
b= p &0xFF; |
|
}else if(c->srcFormat == PIX_FMT_RGB8){ |
|
r= (i>>5 )*36; |
|
g= ((i>>2)&7)*36; |
|
b= (i&3 )*85; |
|
}else if(c->srcFormat == PIX_FMT_BGR8){ |
|
b= (i>>6 )*85; |
|
g= ((i>>3)&7)*36; |
|
r= (i&7 )*36; |
|
}else if(c->srcFormat == PIX_FMT_RGB4_BYTE){ |
|
r= (i>>3 )*255; |
|
g= ((i>>1)&3)*85; |
|
b= (i&1 )*255; |
|
}else { |
|
assert(c->srcFormat == PIX_FMT_BGR4_BYTE); |
|
b= (i>>3 )*255; |
|
g= ((i>>1)&3)*85; |
|
r= (i&1 )*255; |
|
} |
|
y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
|
u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
|
v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); |
|
c->pal_yuv[i]= y + (u<<8) + (v<<16); |
|
|
|
|
|
switch(c->dstFormat) { |
|
case PIX_FMT_BGR32: |
|
#ifndef WORDS_BIGENDIAN |
|
case PIX_FMT_RGB24: |
|
#endif |
|
c->pal_rgb[i]= r + (g<<8) + (b<<16); |
|
break; |
|
case PIX_FMT_BGR32_1: |
|
#ifdef WORDS_BIGENDIAN |
|
case PIX_FMT_BGR24: |
|
#endif |
|
c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; |
|
break; |
|
case PIX_FMT_RGB32_1: |
|
#ifdef WORDS_BIGENDIAN |
|
case PIX_FMT_RGB24: |
|
#endif |
|
c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; |
|
break; |
|
case PIX_FMT_RGB32: |
|
#ifndef WORDS_BIGENDIAN |
|
case PIX_FMT_BGR24: |
|
#endif |
|
default: |
|
c->pal_rgb[i]= b + (g<<8) + (r<<16); |
|
} |
|
} |
|
} |
|
|
|
// copy strides, so they can safely be modified |
|
if (c->sliceDir == 1) { |
|
// slices go from top to bottom |
|
int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2], srcStride[3]}; |
|
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]}; |
|
|
|
reset_ptr(src2, c->srcFormat); |
|
reset_ptr(dst2, c->dstFormat); |
|
|
|
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2); |
|
} else { |
|
// slices go from bottom to top => we flip the image internally |
|
int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2], -srcStride[3]}; |
|
int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2], -dstStride[3]}; |
|
|
|
src2[0] += (srcSliceH-1)*srcStride[0]; |
|
if (!usePal(c->srcFormat)) |
|
src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; |
|
src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; |
|
src2[3] += (srcSliceH-1)*srcStride[3]; |
|
dst2[0] += ( c->dstH -1)*dstStride[0]; |
|
dst2[1] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1]; |
|
dst2[2] += ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]; |
|
dst2[3] += ( c->dstH -1)*dstStride[3]; |
|
|
|
reset_ptr(src2, c->srcFormat); |
|
reset_ptr(dst2, c->dstFormat); |
|
|
|
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); |
|
} |
|
} |
|
|
|
#if LIBSWSCALE_VERSION_MAJOR < 1 |
|
int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]){ |
|
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); |
|
} |
|
#endif |
|
|
|
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, |
|
float lumaSharpen, float chromaSharpen, |
|
float chromaHShift, float chromaVShift, |
|
int verbose) |
|
{ |
|
SwsFilter *filter= av_malloc(sizeof(SwsFilter)); |
|
|
|
if (lumaGBlur!=0.0){ |
|
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); |
|
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); |
|
}else{ |
|
filter->lumH= sws_getIdentityVec(); |
|
filter->lumV= sws_getIdentityVec(); |
|
} |
|
|
|
if (chromaGBlur!=0.0){ |
|
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); |
|
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); |
|
}else{ |
|
filter->chrH= sws_getIdentityVec(); |
|
filter->chrV= sws_getIdentityVec(); |
|
} |
|
|
|
if (chromaSharpen!=0.0){ |
|
SwsVector *id= sws_getIdentityVec(); |
|
sws_scaleVec(filter->chrH, -chromaSharpen); |
|
sws_scaleVec(filter->chrV, -chromaSharpen); |
|
sws_addVec(filter->chrH, id); |
|
sws_addVec(filter->chrV, id); |
|
sws_freeVec(id); |
|
} |
|
|
|
if (lumaSharpen!=0.0){ |
|
SwsVector *id= sws_getIdentityVec(); |
|
sws_scaleVec(filter->lumH, -lumaSharpen); |
|
sws_scaleVec(filter->lumV, -lumaSharpen); |
|
sws_addVec(filter->lumH, id); |
|
sws_addVec(filter->lumV, id); |
|
sws_freeVec(id); |
|
} |
|
|
|
if (chromaHShift != 0.0) |
|
sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5)); |
|
|
|
if (chromaVShift != 0.0) |
|
sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5)); |
|
|
|
sws_normalizeVec(filter->chrH, 1.0); |
|
sws_normalizeVec(filter->chrV, 1.0); |
|
sws_normalizeVec(filter->lumH, 1.0); |
|
sws_normalizeVec(filter->lumV, 1.0); |
|
|
|
if (verbose) sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG); |
|
if (verbose) sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG); |
|
|
|
return filter; |
|
} |
|
|
|
SwsVector *sws_getGaussianVec(double variance, double quality){ |
|
const int length= (int)(variance*quality + 0.5) | 1; |
|
int i; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
double middle= (length-1)*0.5; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) |
|
{ |
|
double dist= i-middle; |
|
coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI); |
|
} |
|
|
|
sws_normalizeVec(vec, 1.0); |
|
|
|
return vec; |
|
} |
|
|
|
SwsVector *sws_getConstVec(double c, int length){ |
|
int i; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) |
|
coeff[i]= c; |
|
|
|
return vec; |
|
} |
|
|
|
|
|
SwsVector *sws_getIdentityVec(void){ |
|
return sws_getConstVec(1.0, 1); |
|
} |
|
|
|
double sws_dcVec(SwsVector *a){ |
|
int i; |
|
double sum=0; |
|
|
|
for (i=0; i<a->length; i++) |
|
sum+= a->coeff[i]; |
|
|
|
return sum; |
|
} |
|
|
|
void sws_scaleVec(SwsVector *a, double scalar){ |
|
int i; |
|
|
|
for (i=0; i<a->length; i++) |
|
a->coeff[i]*= scalar; |
|
} |
|
|
|
void sws_normalizeVec(SwsVector *a, double height){ |
|
sws_scaleVec(a, height/sws_dcVec(a)); |
|
} |
|
|
|
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ |
|
int length= a->length + b->length - 1; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i, j; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
for (j=0; j<b->length; j++) |
|
{ |
|
coeff[i+j]+= a->coeff[i]*b->coeff[j]; |
|
} |
|
} |
|
|
|
return vec; |
|
} |
|
|
|
static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ |
|
int length= FFMAX(a->length, b->length); |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){ |
|
int length= FFMAX(a->length, b->length); |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; |
|
for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
/* shift left / or right if "shift" is negative */ |
|
static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ |
|
int length= a->length + FFABS(shift)*2; |
|
double *coeff= av_malloc(length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= length; |
|
|
|
for (i=0; i<length; i++) coeff[i]= 0.0; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; |
|
} |
|
|
|
return vec; |
|
} |
|
|
|
void sws_shiftVec(SwsVector *a, int shift){ |
|
SwsVector *shifted= sws_getShiftedVec(a, shift); |
|
av_free(a->coeff); |
|
a->coeff= shifted->coeff; |
|
a->length= shifted->length; |
|
av_free(shifted); |
|
} |
|
|
|
void sws_addVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *sum= sws_sumVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= sum->coeff; |
|
a->length= sum->length; |
|
av_free(sum); |
|
} |
|
|
|
void sws_subVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *diff= sws_diffVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= diff->coeff; |
|
a->length= diff->length; |
|
av_free(diff); |
|
} |
|
|
|
void sws_convVec(SwsVector *a, SwsVector *b){ |
|
SwsVector *conv= sws_getConvVec(a, b); |
|
av_free(a->coeff); |
|
a->coeff= conv->coeff; |
|
a->length= conv->length; |
|
av_free(conv); |
|
} |
|
|
|
SwsVector *sws_cloneVec(SwsVector *a){ |
|
double *coeff= av_malloc(a->length*sizeof(double)); |
|
int i; |
|
SwsVector *vec= av_malloc(sizeof(SwsVector)); |
|
|
|
vec->coeff= coeff; |
|
vec->length= a->length; |
|
|
|
for (i=0; i<a->length; i++) coeff[i]= a->coeff[i]; |
|
|
|
return vec; |
|
} |
|
|
|
void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){ |
|
int i; |
|
double max=0; |
|
double min=0; |
|
double range; |
|
|
|
for (i=0; i<a->length; i++) |
|
if (a->coeff[i]>max) max= a->coeff[i]; |
|
|
|
for (i=0; i<a->length; i++) |
|
if (a->coeff[i]<min) min= a->coeff[i]; |
|
|
|
range= max - min; |
|
|
|
for (i=0; i<a->length; i++) |
|
{ |
|
int x= (int)((a->coeff[i]-min)*60.0/range +0.5); |
|
av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]); |
|
for (;x>0; x--) av_log(log_ctx, log_level, " "); |
|
av_log(log_ctx, log_level, "|\n"); |
|
} |
|
} |
|
|
|
#if LIBSWSCALE_VERSION_MAJOR < 1 |
|
void sws_printVec(SwsVector *a){ |
|
sws_printVec2(a, NULL, AV_LOG_DEBUG); |
|
} |
|
#endif |
|
|
|
void sws_freeVec(SwsVector *a){ |
|
if (!a) return; |
|
av_freep(&a->coeff); |
|
a->length=0; |
|
av_free(a); |
|
} |
|
|
|
void sws_freeFilter(SwsFilter *filter){ |
|
if (!filter) return; |
|
|
|
if (filter->lumH) sws_freeVec(filter->lumH); |
|
if (filter->lumV) sws_freeVec(filter->lumV); |
|
if (filter->chrH) sws_freeVec(filter->chrH); |
|
if (filter->chrV) sws_freeVec(filter->chrV); |
|
av_free(filter); |
|
} |
|
|
|
|
|
void sws_freeContext(SwsContext *c){ |
|
int i; |
|
if (!c) return; |
|
|
|
if (c->lumPixBuf) |
|
{ |
|
for (i=0; i<c->vLumBufSize; i++) |
|
av_freep(&c->lumPixBuf[i]); |
|
av_freep(&c->lumPixBuf); |
|
} |
|
|
|
if (c->chrPixBuf) |
|
{ |
|
for (i=0; i<c->vChrBufSize; i++) |
|
av_freep(&c->chrPixBuf[i]); |
|
av_freep(&c->chrPixBuf); |
|
} |
|
|
|
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){ |
|
for (i=0; i<c->vLumBufSize; i++) |
|
av_freep(&c->alpPixBuf[i]); |
|
av_freep(&c->alpPixBuf); |
|
} |
|
|
|
av_freep(&c->vLumFilter); |
|
av_freep(&c->vChrFilter); |
|
av_freep(&c->hLumFilter); |
|
av_freep(&c->hChrFilter); |
|
#if HAVE_ALTIVEC |
|
av_freep(&c->vYCoeffsBank); |
|
av_freep(&c->vCCoeffsBank); |
|
#endif |
|
|
|
av_freep(&c->vLumFilterPos); |
|
av_freep(&c->vChrFilterPos); |
|
av_freep(&c->hLumFilterPos); |
|
av_freep(&c->hChrFilterPos); |
|
|
|
#if ARCH_X86 && CONFIG_GPL |
|
#ifdef MAP_ANONYMOUS |
|
if (c->funnyYCode ) munmap(c->funnyYCode , MAX_FUNNY_CODE_SIZE); |
|
if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE); |
|
#elif HAVE_VIRTUALALLOC |
|
if (c->funnyYCode ) VirtualFree(c->funnyYCode , MAX_FUNNY_CODE_SIZE, MEM_RELEASE); |
|
if (c->funnyUVCode) VirtualFree(c->funnyUVCode, MAX_FUNNY_CODE_SIZE, MEM_RELEASE); |
|
#else |
|
av_free(c->funnyYCode ); |
|
av_free(c->funnyUVCode); |
|
#endif |
|
c->funnyYCode=NULL; |
|
c->funnyUVCode=NULL; |
|
#endif /* ARCH_X86 && CONFIG_GPL */ |
|
|
|
av_freep(&c->lumMmx2Filter); |
|
av_freep(&c->chrMmx2Filter); |
|
av_freep(&c->lumMmx2FilterPos); |
|
av_freep(&c->chrMmx2FilterPos); |
|
av_freep(&c->yuvTable); |
|
|
|
av_free(c); |
|
} |
|
|
|
struct SwsContext *sws_getCachedContext(struct SwsContext *context, |
|
int srcW, int srcH, enum PixelFormat srcFormat, |
|
int dstW, int dstH, enum PixelFormat dstFormat, int flags, |
|
SwsFilter *srcFilter, SwsFilter *dstFilter, const double *param) |
|
{ |
|
static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT}; |
|
|
|
if (!param) |
|
param = default_param; |
|
|
|
if (context) { |
|
if (context->srcW != srcW || context->srcH != srcH || |
|
context->srcFormat != srcFormat || |
|
context->dstW != dstW || context->dstH != dstH || |
|
context->dstFormat != dstFormat || context->flags != flags || |
|
context->param[0] != param[0] || context->param[1] != param[1]) |
|
{ |
|
sws_freeContext(context); |
|
context = NULL; |
|
} |
|
} |
|
if (!context) { |
|
return sws_getContext(srcW, srcH, srcFormat, |
|
dstW, dstH, dstFormat, flags, |
|
srcFilter, dstFilter, param); |
|
} |
|
return context; |
|
} |
|
|
|
|