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/*
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* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License 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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#include "config.h"
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#define _DEFAULT_SOURCE
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#define _SVID_SOURCE // needed for MAP_ANONYMOUS
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#define _DARWIN_C_SOURCE // needed for MAP_ANON
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#include <inttypes.h>
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#if HAVE_MMAP
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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 "libavutil/attributes.h"
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#include "libavutil/avassert.h"
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#include "libavutil/cpu.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/libm.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/slicethread.h"
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#include "libavutil/thread.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavutil/ppc/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavutil/x86/cpu.h"
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#include "libavutil/loongarch/cpu.h"
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#include "rgb2rgb.h"
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#include "swscale.h"
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#include "swscale_internal.h"
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typedef struct FormatEntry {
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uint8_t is_supported_in :1;
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uint8_t is_supported_out :1;
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uint8_t is_supported_endianness :1;
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} FormatEntry;
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static const FormatEntry format_entries[] = {
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[AV_PIX_FMT_YUV420P] = { 1, 1 },
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[AV_PIX_FMT_YUYV422] = { 1, 1 },
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[AV_PIX_FMT_RGB24] = { 1, 1 },
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[AV_PIX_FMT_BGR24] = { 1, 1 },
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[AV_PIX_FMT_YUV422P] = { 1, 1 },
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[AV_PIX_FMT_YUV444P] = { 1, 1 },
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[AV_PIX_FMT_YUV410P] = { 1, 1 },
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[AV_PIX_FMT_YUV411P] = { 1, 1 },
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[AV_PIX_FMT_GRAY8] = { 1, 1 },
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[AV_PIX_FMT_MONOWHITE] = { 1, 1 },
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[AV_PIX_FMT_MONOBLACK] = { 1, 1 },
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[AV_PIX_FMT_PAL8] = { 1, 0 },
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[AV_PIX_FMT_YUVJ420P] = { 1, 1 },
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[AV_PIX_FMT_YUVJ411P] = { 1, 1 },
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[AV_PIX_FMT_YUVJ422P] = { 1, 1 },
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[AV_PIX_FMT_YUVJ444P] = { 1, 1 },
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[AV_PIX_FMT_YVYU422] = { 1, 1 },
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[AV_PIX_FMT_UYVY422] = { 1, 1 },
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[AV_PIX_FMT_UYYVYY411] = { 0, 0 },
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[AV_PIX_FMT_BGR8] = { 1, 1 },
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[AV_PIX_FMT_BGR4] = { 0, 1 },
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[AV_PIX_FMT_BGR4_BYTE] = { 1, 1 },
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[AV_PIX_FMT_RGB8] = { 1, 1 },
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[AV_PIX_FMT_RGB4] = { 0, 1 },
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[AV_PIX_FMT_RGB4_BYTE] = { 1, 1 },
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[AV_PIX_FMT_NV12] = { 1, 1 },
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[AV_PIX_FMT_NV21] = { 1, 1 },
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[AV_PIX_FMT_ARGB] = { 1, 1 },
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[AV_PIX_FMT_RGBA] = { 1, 1 },
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[AV_PIX_FMT_ABGR] = { 1, 1 },
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[AV_PIX_FMT_BGRA] = { 1, 1 },
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[AV_PIX_FMT_0RGB] = { 1, 1 },
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[AV_PIX_FMT_RGB0] = { 1, 1 },
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[AV_PIX_FMT_0BGR] = { 1, 1 },
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[AV_PIX_FMT_BGR0] = { 1, 1 },
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[AV_PIX_FMT_GRAY9BE] = { 1, 1 },
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[AV_PIX_FMT_GRAY9LE] = { 1, 1 },
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[AV_PIX_FMT_GRAY10BE] = { 1, 1 },
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[AV_PIX_FMT_GRAY10LE] = { 1, 1 },
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[AV_PIX_FMT_GRAY12BE] = { 1, 1 },
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[AV_PIX_FMT_GRAY12LE] = { 1, 1 },
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[AV_PIX_FMT_GRAY14BE] = { 1, 1 },
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[AV_PIX_FMT_GRAY14LE] = { 1, 1 },
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[AV_PIX_FMT_GRAY16BE] = { 1, 1 },
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[AV_PIX_FMT_GRAY16LE] = { 1, 1 },
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[AV_PIX_FMT_YUV440P] = { 1, 1 },
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[AV_PIX_FMT_YUVJ440P] = { 1, 1 },
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[AV_PIX_FMT_YUV440P10LE] = { 1, 1 },
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[AV_PIX_FMT_YUV440P10BE] = { 1, 1 },
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[AV_PIX_FMT_YUV440P12LE] = { 1, 1 },
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[AV_PIX_FMT_YUV440P12BE] = { 1, 1 },
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[AV_PIX_FMT_YUVA420P] = { 1, 1 },
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[AV_PIX_FMT_YUVA422P] = { 1, 1 },
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[AV_PIX_FMT_YUVA444P] = { 1, 1 },
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[AV_PIX_FMT_YUVA420P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUVA420P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUVA422P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUVA422P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUVA444P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUVA444P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUVA420P10BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA420P10LE]= { 1, 1 },
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[AV_PIX_FMT_YUVA422P10BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA422P10LE]= { 1, 1 },
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[AV_PIX_FMT_YUVA444P10BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA444P10LE]= { 1, 1 },
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[AV_PIX_FMT_YUVA420P16BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA420P16LE]= { 1, 1 },
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[AV_PIX_FMT_YUVA422P16BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA422P16LE]= { 1, 1 },
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[AV_PIX_FMT_YUVA444P16BE]= { 1, 1 },
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[AV_PIX_FMT_YUVA444P16LE]= { 1, 1 },
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[AV_PIX_FMT_RGB48BE] = { 1, 1 },
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[AV_PIX_FMT_RGB48LE] = { 1, 1 },
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[AV_PIX_FMT_RGBA64BE] = { 1, 1, 1 },
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[AV_PIX_FMT_RGBA64LE] = { 1, 1, 1 },
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[AV_PIX_FMT_RGB565BE] = { 1, 1 },
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[AV_PIX_FMT_RGB565LE] = { 1, 1 },
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[AV_PIX_FMT_RGB555BE] = { 1, 1 },
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[AV_PIX_FMT_RGB555LE] = { 1, 1 },
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[AV_PIX_FMT_BGR565BE] = { 1, 1 },
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[AV_PIX_FMT_BGR565LE] = { 1, 1 },
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[AV_PIX_FMT_BGR555BE] = { 1, 1 },
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[AV_PIX_FMT_BGR555LE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P16LE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P16BE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P16LE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P16BE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P16LE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P16BE] = { 1, 1 },
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[AV_PIX_FMT_RGB444LE] = { 1, 1 },
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[AV_PIX_FMT_RGB444BE] = { 1, 1 },
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[AV_PIX_FMT_BGR444LE] = { 1, 1 },
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[AV_PIX_FMT_BGR444BE] = { 1, 1 },
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[AV_PIX_FMT_YA8] = { 1, 1 },
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[AV_PIX_FMT_YA16BE] = { 1, 1 },
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[AV_PIX_FMT_YA16LE] = { 1, 1 },
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[AV_PIX_FMT_BGR48BE] = { 1, 1 },
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[AV_PIX_FMT_BGR48LE] = { 1, 1 },
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[AV_PIX_FMT_BGRA64BE] = { 1, 1, 1 },
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[AV_PIX_FMT_BGRA64LE] = { 1, 1, 1 },
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[AV_PIX_FMT_YUV420P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P10BE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P10LE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P12BE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P12LE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P14BE] = { 1, 1 },
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[AV_PIX_FMT_YUV420P14LE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P10BE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P10LE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P12BE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P12LE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P14BE] = { 1, 1 },
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[AV_PIX_FMT_YUV422P14LE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P9BE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P9LE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P10BE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P10LE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P12BE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P12LE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P14BE] = { 1, 1 },
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[AV_PIX_FMT_YUV444P14LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP] = { 1, 1 },
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[AV_PIX_FMT_GBRP9LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP9BE] = { 1, 1 },
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[AV_PIX_FMT_GBRP10LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP10BE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP10LE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP10BE] = { 1, 1 },
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[AV_PIX_FMT_GBRP12LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP12BE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP12LE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP12BE] = { 1, 1 },
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[AV_PIX_FMT_GBRP14LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP14BE] = { 1, 1 },
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[AV_PIX_FMT_GBRP16LE] = { 1, 1 },
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[AV_PIX_FMT_GBRP16BE] = { 1, 1 },
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[AV_PIX_FMT_GBRPF32LE] = { 1, 1 },
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[AV_PIX_FMT_GBRPF32BE] = { 1, 1 },
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[AV_PIX_FMT_GBRAPF32LE] = { 1, 1 },
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[AV_PIX_FMT_GBRAPF32BE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP] = { 1, 1 },
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[AV_PIX_FMT_GBRAP16LE] = { 1, 1 },
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[AV_PIX_FMT_GBRAP16BE] = { 1, 1 },
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[AV_PIX_FMT_BAYER_BGGR8] = { 1, 0 },
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[AV_PIX_FMT_BAYER_RGGB8] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GBRG8] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GRBG8] = { 1, 0 },
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[AV_PIX_FMT_BAYER_BGGR16LE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_BGGR16BE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_RGGB16LE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_RGGB16BE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GBRG16LE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GBRG16BE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GRBG16LE] = { 1, 0 },
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[AV_PIX_FMT_BAYER_GRBG16BE] = { 1, 0 },
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[AV_PIX_FMT_XYZ12BE] = { 1, 1, 1 },
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[AV_PIX_FMT_XYZ12LE] = { 1, 1, 1 },
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[AV_PIX_FMT_AYUV64LE] = { 1, 1},
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[AV_PIX_FMT_P010LE] = { 1, 1 },
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[AV_PIX_FMT_P010BE] = { 1, 1 },
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[AV_PIX_FMT_P012LE] = { 1, 1 },
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[AV_PIX_FMT_P012BE] = { 1, 1 },
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[AV_PIX_FMT_P016LE] = { 1, 1 },
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[AV_PIX_FMT_P016BE] = { 1, 1 },
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[AV_PIX_FMT_GRAYF32LE] = { 1, 1 },
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|
[AV_PIX_FMT_GRAYF32BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_YUVA422P12BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_YUVA422P12LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_YUVA444P12BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_YUVA444P12LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_NV24] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_NV42] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_Y210LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_Y212LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_X2RGB10LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_X2BGR10LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P210BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P210LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P410BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P410LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P216BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P216LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P416BE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_P416LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_NV16] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_VUYA] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_VUYX] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_RGBAF16BE] = { 1, 0 },
|
|
|
|
|
[AV_PIX_FMT_RGBAF16LE] = { 1, 0 },
|
|
|
|
|
[AV_PIX_FMT_XV30LE] = { 1, 1 },
|
|
|
|
|
[AV_PIX_FMT_XV36LE] = { 1, 1 },
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
|
|
|
|
|
int filterSize, int16_t *filter,
|
|
|
|
|
int dstW)
|
|
|
|
|
{
|
|
|
|
|
#if ARCH_X86_64
|
|
|
|
|
int i, j, k;
|
|
|
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
|
if (!filter)
|
|
|
|
|
return 0;
|
|
|
|
|
if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
|
|
|
|
|
if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
|
|
|
|
|
int16_t *filterCopy = NULL;
|
|
|
|
|
if (filterSize > 4) {
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(filterCopy, dstW * filterSize))
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
memcpy(filterCopy, filter, dstW * filterSize * sizeof(int16_t));
|
|
|
|
|
}
|
|
|
|
|
// Do not swap filterPos for pixels which won't be processed by
|
|
|
|
|
// the main loop.
|
|
|
|
|
for (i = 0; i + 16 <= dstW; i += 16) {
|
|
|
|
|
FFSWAP(int, filterPos[i + 2], filterPos[i + 4]);
|
|
|
|
|
FFSWAP(int, filterPos[i + 3], filterPos[i + 5]);
|
|
|
|
|
FFSWAP(int, filterPos[i + 10], filterPos[i + 12]);
|
|
|
|
|
FFSWAP(int, filterPos[i + 11], filterPos[i + 13]);
|
|
|
|
|
}
|
|
|
|
|
if (filterSize > 4) {
|
|
|
|
|
// 16 pixels are processed at a time.
|
|
|
|
|
for (i = 0; i + 16 <= dstW; i += 16) {
|
|
|
|
|
// 4 filter coeffs are processed at a time.
|
|
|
|
|
for (k = 0; k + 4 <= filterSize; k += 4) {
|
|
|
|
|
for (j = 0; j < 16; ++j) {
|
|
|
|
|
int from = (i + j) * filterSize + k;
|
|
|
|
|
int to = i * filterSize + j * 4 + k * 16;
|
|
|
|
|
memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 4 pixels are processed at a time in the tail.
|
|
|
|
|
for (; i < dstW; i += 4) {
|
|
|
|
|
// 4 filter coeffs are processed at a time.
|
|
|
|
|
int rem = dstW - i >= 4 ? 4 : dstW - i;
|
|
|
|
|
for (k = 0; k + 4 <= filterSize; k += 4) {
|
|
|
|
|
for (j = 0; j < rem; ++j) {
|
|
|
|
|
int from = (i + j) * filterSize + k;
|
|
|
|
|
int to = i * filterSize + j * 4 + k * 4;
|
|
|
|
|
memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
av_free(filterCopy);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
|
|
|
|
|
{
|
|
|
|
|
return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
|
|
|
|
|
format_entries[pix_fmt].is_supported_in : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sws_isSupportedOutput(enum AVPixelFormat pix_fmt)
|
|
|
|
|
{
|
|
|
|
|
return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
|
|
|
|
|
format_entries[pix_fmt].is_supported_out : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt)
|
|
|
|
|
{
|
|
|
|
|
return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
|
|
|
|
|
format_entries[pix_fmt].is_supported_endianness : 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static double getSplineCoeff(double a, double b, double c, double d,
|
|
|
|
|
double 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 av_cold int get_local_pos(SwsContext *s, int chr_subsample, int pos, int dir)
|
|
|
|
|
{
|
|
|
|
|
if (pos == -1 || pos <= -513) {
|
|
|
|
|
pos = (128 << chr_subsample) - 128;
|
|
|
|
|
}
|
|
|
|
|
pos += 128; // relative to ideal left edge
|
|
|
|
|
return pos >> chr_subsample;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
|
int flag; ///< flag associated to the algorithm
|
|
|
|
|
const char *description; ///< human-readable description
|
|
|
|
|
int size_factor; ///< size factor used when initing the filters
|
|
|
|
|
} ScaleAlgorithm;
|
|
|
|
|
|
|
|
|
|
static const ScaleAlgorithm scale_algorithms[] = {
|
|
|
|
|
{ SWS_AREA, "area averaging", 1 /* downscale only, for upscale it is bilinear */ },
|
|
|
|
|
{ SWS_BICUBIC, "bicubic", 4 },
|
|
|
|
|
{ SWS_BICUBLIN, "luma bicubic / chroma bilinear", -1 },
|
|
|
|
|
{ SWS_BILINEAR, "bilinear", 2 },
|
|
|
|
|
{ SWS_FAST_BILINEAR, "fast bilinear", -1 },
|
|
|
|
|
{ SWS_GAUSS, "Gaussian", 8 /* infinite ;) */ },
|
|
|
|
|
{ SWS_LANCZOS, "Lanczos", -1 /* custom */ },
|
|
|
|
|
{ SWS_POINT, "nearest neighbor / point", -1 },
|
|
|
|
|
{ SWS_SINC, "sinc", 20 /* infinite ;) */ },
|
|
|
|
|
{ SWS_SPLINE, "bicubic spline", 20 /* infinite :)*/ },
|
|
|
|
|
{ SWS_X, "experimental", 8 },
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
|
|
|
|
|
int *outFilterSize, int xInc, int srcW,
|
|
|
|
|
int dstW, int filterAlign, int one,
|
|
|
|
|
int flags, int cpu_flags,
|
|
|
|
|
SwsVector *srcFilter, SwsVector *dstFilter,
|
|
|
|
|
double param[2], int srcPos, int dstPos)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
int filterSize;
|
|
|
|
|
int filter2Size;
|
|
|
|
|
int minFilterSize;
|
|
|
|
|
int64_t *filter = NULL;
|
|
|
|
|
int64_t *filter2 = NULL;
|
|
|
|
|
const int64_t fone = 1LL << (54 - FFMIN(av_log2(srcW/dstW), 8));
|
|
|
|
|
int ret = -1;
|
|
|
|
|
|
|
|
|
|
emms_c(); // FIXME should not be required but IS (even for non-MMX versions)
|
|
|
|
|
|
|
|
|
|
// NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(*filterPos, dstW + 3))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
if (FFABS(xInc - 0x10000) < 10 && srcPos == dstPos) { // unscaled
|
|
|
|
|
int i;
|
|
|
|
|
filterSize = 1;
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(filter, dstW * filterSize))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
int64_t xDstInSrc;
|
|
|
|
|
filterSize = 1;
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
|
|
|
|
|
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;
|
|
|
|
|
int64_t xDstInSrc;
|
|
|
|
|
filterSize = 2;
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
|
|
|
|
|
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((int64_t)xx * (1 << 16) - xDstInSrc) * (fone >> 16);
|
|
|
|
|
if (coeff < 0)
|
|
|
|
|
coeff = 0;
|
|
|
|
|
filter[i * filterSize + j] = coeff;
|
|
|
|
|
xx++;
|
|
|
|
|
}
|
|
|
|
|
xDstInSrc += xInc;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
int64_t xDstInSrc;
|
|
|
|
|
int sizeFactor = -1;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
|
|
|
|
|
if (flags & scale_algorithms[i].flag && scale_algorithms[i].size_factor > 0) {
|
|
|
|
|
sizeFactor = scale_algorithms[i].size_factor;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (flags & SWS_LANCZOS)
|
|
|
|
|
sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6;
|
|
|
|
|
av_assert0(sizeFactor > 0);
|
|
|
|
|
|
|
|
|
|
if (xInc <= 1 << 16)
|
|
|
|
|
filterSize = 1 + sizeFactor; // upscale
|
|
|
|
|
else
|
|
|
|
|
filterSize = 1 + (sizeFactor * srcW + dstW - 1) / dstW;
|
|
|
|
|
|
|
|
|
|
filterSize = FFMIN(filterSize, srcW - 2);
|
|
|
|
|
filterSize = FFMAX(filterSize, 1);
|
|
|
|
|
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
|
|
|
|
|
goto nomem;
|
|
|
|
|
xDstInSrc = ((dstPos*(int64_t)xInc)>>7) - ((srcPos*0x10000LL)>>7);
|
|
|
|
|
for (i = 0; i < dstW; i++) {
|
|
|
|
|
int xx = (xDstInSrc - (filterSize - 2) * (1LL<<16)) / (1 << 17);
|
|
|
|
|
int j;
|
|
|
|
|
(*filterPos)[i] = xx;
|
|
|
|
|
for (j = 0; j < filterSize; j++) {
|
|
|
|
|
int64_t d = (FFABS(((int64_t)xx * (1 << 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);
|
|
|
|
|
|
|
|
|
|
if (d >= 1LL << 31) {
|
|
|
|
|
coeff = 0.0;
|
|
|
|
|
} else {
|
|
|
|
|
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
|
|
|
|
|
coeff = (-B - 6 * C) * ddd +
|
|
|
|
|
(6 * B + 30 * C) * dd +
|
|
|
|
|
(-12 * B - 48 * C) * d +
|
|
|
|
|
(8 * B + 24 * C) * (1 << 30);
|
|
|
|
|
}
|
|
|
|
|
coeff /= (1LL<<54)/fone;
|
|
|
|
|
} 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 * M_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 = exp2(-p * floatd * floatd) * fone;
|
|
|
|
|
} else if (flags & SWS_SINC) {
|
|
|
|
|
coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone;
|
|
|
|
|
} else if (flags & SWS_LANCZOS) {
|
|
|
|
|
double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
|
|
|
|
|
coeff = (d ? sin(floatd * M_PI) * sin(floatd * M_PI / p) /
|
|
|
|
|
(floatd * floatd * M_PI * M_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 {
|
|
|
|
|
av_assert0(0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
filter[i * filterSize + j] = coeff;
|
|
|
|
|
xx++;
|
|
|
|
|
}
|
|
|
|
|
xDstInSrc += 2 * xInc;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* apply src & dst Filter to filter -> filter2
|
|
|
|
|
* av_free(filter);
|
|
|
|
|
*/
|
|
|
|
|
av_assert0(filterSize > 0);
|
|
|
|
|
filter2Size = filterSize;
|
|
|
|
|
if (srcFilter)
|
|
|
|
|
filter2Size += srcFilter->length - 1;
|
|
|
|
|
if (dstFilter)
|
|
|
|
|
filter2Size += dstFilter->length - 1;
|
|
|
|
|
av_assert0(filter2Size > 0);
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(filter2, dstW * filter2Size))
|
|
|
|
|
goto nomem;
|
|
|
|
|
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 of 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 (PPC_ALTIVEC(cpu_flags)) {
|
|
|
|
|
// we can handle the special case 4, so we don't want to go 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 (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
|
|
|
|
|
// special case for unscaled vertical filtering
|
|
|
|
|
if (minFilterSize == 1 && filterAlign == 2)
|
|
|
|
|
filterAlign = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (have_lasx(cpu_flags)) {
|
|
|
|
|
int reNum = minFilterSize & (0x07);
|
|
|
|
|
|
|
|
|
|
if (minFilterSize < 5)
|
|
|
|
|
filterAlign = 4;
|
|
|
|
|
if (reNum < 3)
|
|
|
|
|
filterAlign = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
av_assert0(minFilterSize > 0);
|
|
|
|
|
filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1));
|
|
|
|
|
av_assert0(filterSize > 0);
|
|
|
|
|
filter = av_malloc_array(dstW, filterSize * sizeof(*filter));
|
|
|
|
|
if (!filter)
|
|
|
|
|
goto nomem;
|
|
|
|
|
if (filterSize >= MAX_FILTER_SIZE * 16 /
|
|
|
|
|
((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16)) {
|
|
|
|
|
ret = RETCODE_USE_CASCADE;
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
*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] + FFMIN(filterSize - srcW, 0);
|
|
|
|
|
int64_t acc = 0;
|
|
|
|
|
|
|
|
|
|
for (j = filterSize - 1; j >= 0; j--) {
|
|
|
|
|
if ((*filterPos)[i] + j >= srcW) {
|
|
|
|
|
acc += filter[i * filterSize + j];
|
|
|
|
|
filter[i * filterSize + j] = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
for (j = filterSize - 1; j >= 0; j--) {
|
|
|
|
|
if (j < shift) {
|
|
|
|
|
filter[i * filterSize + j] = 0;
|
|
|
|
|
} else {
|
|
|
|
|
filter[i * filterSize + j] = filter[i * filterSize + j - shift];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
(*filterPos)[i]-= shift;
|
|
|
|
|
filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc;
|
|
|
|
|
}
|
|
|
|
|
av_assert0((*filterPos)[i] >= 0);
|
|
|
|
|
av_assert0((*filterPos)[i] < srcW);
|
|
|
|
|
if ((*filterPos)[i] + filterSize > srcW) {
|
|
|
|
|
for (j = 0; j < filterSize; j++) {
|
|
|
|
|
av_assert0((*filterPos)[i] + j < srcW || !filter[i * filterSize + j]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Note the +1 is for the MMX scaler which reads over the end
|
|
|
|
|
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(*outFilter, *outFilterSize * (dstW + 3)))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
/* 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;
|
|
|
|
|
if (!sum) {
|
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "SwScaler: zero vector in scaling\n");
|
|
|
|
|
sum = 1;
|
|
|
|
|
}
|
|
|
|
|
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 + 0] =
|
|
|
|
|
(*filterPos)[dstW + 1] =
|
|
|
|
|
(*filterPos)[dstW + 2] = (*filterPos)[dstW - 1]; /* the MMX/SSE scaler will
|
|
|
|
|
* read over the end */
|
|
|
|
|
for (i = 0; i < *outFilterSize; i++) {
|
|
|
|
|
int k = (dstW - 1) * (*outFilterSize) + i;
|
|
|
|
|
(*outFilter)[k + 1 * (*outFilterSize)] =
|
|
|
|
|
(*outFilter)[k + 2 * (*outFilterSize)] =
|
|
|
|
|
(*outFilter)[k + 3 * (*outFilterSize)] = (*outFilter)[k];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = 0;
|
|
|
|
|
goto done;
|
|
|
|
|
nomem:
|
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
|
fail:
|
|
|
|
|
if(ret < 0)
|
|
|
|
|
av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n");
|
|
|
|
|
done:
|
|
|
|
|
av_free(filter);
|
|
|
|
|
av_free(filter2);
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange)
|
|
|
|
|
{
|
|
|
|
|
int64_t W, V, Z, Cy, Cu, Cv;
|
|
|
|
|
int64_t vr = table[0];
|
|
|
|
|
int64_t ub = table[1];
|
|
|
|
|
int64_t ug = -table[2];
|
|
|
|
|
int64_t vg = -table[3];
|
|
|
|
|
int64_t ONE = 65536;
|
|
|
|
|
int64_t cy = ONE;
|
|
|
|
|
uint8_t *p = (uint8_t*)c->input_rgb2yuv_table;
|
|
|
|
|
int i;
|
|
|
|
|
static const int8_t map[] = {
|
|
|
|
|
BY_IDX, GY_IDX, -1 , BY_IDX, BY_IDX, GY_IDX, -1 , BY_IDX,
|
|
|
|
|
RY_IDX, -1 , GY_IDX, RY_IDX, RY_IDX, -1 , GY_IDX, RY_IDX,
|
|
|
|
|
RY_IDX, GY_IDX, -1 , RY_IDX, RY_IDX, GY_IDX, -1 , RY_IDX,
|
|
|
|
|
BY_IDX, -1 , GY_IDX, BY_IDX, BY_IDX, -1 , GY_IDX, BY_IDX,
|
|
|
|
|
BU_IDX, GU_IDX, -1 , BU_IDX, BU_IDX, GU_IDX, -1 , BU_IDX,
|
|
|
|
|
RU_IDX, -1 , GU_IDX, RU_IDX, RU_IDX, -1 , GU_IDX, RU_IDX,
|
|
|
|
|
RU_IDX, GU_IDX, -1 , RU_IDX, RU_IDX, GU_IDX, -1 , RU_IDX,
|
|
|
|
|
BU_IDX, -1 , GU_IDX, BU_IDX, BU_IDX, -1 , GU_IDX, BU_IDX,
|
|
|
|
|
BV_IDX, GV_IDX, -1 , BV_IDX, BV_IDX, GV_IDX, -1 , BV_IDX,
|
|
|
|
|
RV_IDX, -1 , GV_IDX, RV_IDX, RV_IDX, -1 , GV_IDX, RV_IDX,
|
|
|
|
|
RV_IDX, GV_IDX, -1 , RV_IDX, RV_IDX, GV_IDX, -1 , RV_IDX,
|
|
|
|
|
BV_IDX, -1 , GV_IDX, BV_IDX, BV_IDX, -1 , GV_IDX, BV_IDX,
|
|
|
|
|
RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX,
|
|
|
|
|
BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX,
|
|
|
|
|
GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 ,
|
|
|
|
|
-1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX,
|
|
|
|
|
RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX,
|
|
|
|
|
BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX,
|
|
|
|
|
GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 ,
|
|
|
|
|
-1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX,
|
|
|
|
|
RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX,
|
|
|
|
|
BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX,
|
|
|
|
|
GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 ,
|
|
|
|
|
-1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, //23
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //24
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //25
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //26
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //27
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //28
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //29
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //30
|
|
|
|
|
-1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //31
|
|
|
|
|
BY_IDX, GY_IDX, RY_IDX, -1 , -1 , -1 , -1 , -1 , //32
|
|
|
|
|
BU_IDX, GU_IDX, RU_IDX, -1 , -1 , -1 , -1 , -1 , //33
|
|
|
|
|
BV_IDX, GV_IDX, RV_IDX, -1 , -1 , -1 , -1 , -1 , //34
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
dstRange = 0; //FIXME range = 1 is handled elsewhere
|
|
|
|
|
|
|
|
|
|
if (!dstRange) {
|
|
|
|
|
cy = cy * 255 / 219;
|
|
|
|
|
} else {
|
|
|
|
|
vr = vr * 224 / 255;
|
|
|
|
|
ub = ub * 224 / 255;
|
|
|
|
|
ug = ug * 224 / 255;
|
|
|
|
|
vg = vg * 224 / 255;
|
|
|
|
|
}
|
|
|
|
|
W = ROUNDED_DIV(ONE*ONE*ug, ub);
|
|
|
|
|
V = ROUNDED_DIV(ONE*ONE*vg, vr);
|
|
|
|
|
Z = ONE*ONE-W-V;
|
|
|
|
|
|
|
|
|
|
Cy = ROUNDED_DIV(cy*Z, ONE);
|
|
|
|
|
Cu = ROUNDED_DIV(ub*Z, ONE);
|
|
|
|
|
Cv = ROUNDED_DIV(vr*Z, ONE);
|
|
|
|
|
|
|
|
|
|
c->input_rgb2yuv_table[RY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cy);
|
|
|
|
|
c->input_rgb2yuv_table[GY_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cy);
|
|
|
|
|
c->input_rgb2yuv_table[BY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cy);
|
|
|
|
|
|
|
|
|
|
c->input_rgb2yuv_table[RU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cu);
|
|
|
|
|
c->input_rgb2yuv_table[GU_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cu);
|
|
|
|
|
c->input_rgb2yuv_table[BU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(Z+W) , Cu);
|
|
|
|
|
|
|
|
|
|
c->input_rgb2yuv_table[RV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(V+Z) , Cv);
|
|
|
|
|
c->input_rgb2yuv_table[GV_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cv);
|
|
|
|
|
c->input_rgb2yuv_table[BV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cv);
|
|
|
|
|
|
|
|
|
|
if(/*!dstRange && */!memcmp(table, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], sizeof(ff_yuv2rgb_coeffs[SWS_CS_DEFAULT]))) {
|
|
|
|
|
c->input_rgb2yuv_table[BY_IDX] = ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[BV_IDX] = (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[BU_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[GY_IDX] = ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[GV_IDX] = (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[GU_IDX] = (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[RY_IDX] = ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[RV_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
c->input_rgb2yuv_table[RU_IDX] = (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
|
|
|
|
|
}
|
|
|
|
|
for(i=0; i<FF_ARRAY_ELEMS(map); i++)
|
|
|
|
|
AV_WL16(p + 16*4 + 2*i, map[i] >= 0 ? c->input_rgb2yuv_table[map[i]] : 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void fill_xyztables(struct SwsContext *c)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
double xyzgamma = XYZ_GAMMA;
|
|
|
|
|
double rgbgamma = 1.0 / RGB_GAMMA;
|
|
|
|
|
double xyzgammainv = 1.0 / XYZ_GAMMA;
|
|
|
|
|
double rgbgammainv = RGB_GAMMA;
|
|
|
|
|
static const int16_t xyz2rgb_matrix[3][4] = {
|
|
|
|
|
{13270, -6295, -2041},
|
|
|
|
|
{-3969, 7682, 170},
|
|
|
|
|
{ 228, -835, 4329} };
|
|
|
|
|
static const int16_t rgb2xyz_matrix[3][4] = {
|
|
|
|
|
{1689, 1464, 739},
|
|
|
|
|
{ 871, 2929, 296},
|
|
|
|
|
{ 79, 488, 3891} };
|
|
|
|
|
static int16_t xyzgamma_tab[4096], rgbgamma_tab[4096], xyzgammainv_tab[4096], rgbgammainv_tab[4096];
|
|
|
|
|
|
|
|
|
|
memcpy(c->xyz2rgb_matrix, xyz2rgb_matrix, sizeof(c->xyz2rgb_matrix));
|
|
|
|
|
memcpy(c->rgb2xyz_matrix, rgb2xyz_matrix, sizeof(c->rgb2xyz_matrix));
|
|
|
|
|
c->xyzgamma = xyzgamma_tab;
|
|
|
|
|
c->rgbgamma = rgbgamma_tab;
|
|
|
|
|
c->xyzgammainv = xyzgammainv_tab;
|
|
|
|
|
c->rgbgammainv = rgbgammainv_tab;
|
|
|
|
|
|
|
|
|
|
if (rgbgamma_tab[4095])
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/* set gamma vectors */
|
|
|
|
|
for (i = 0; i < 4096; i++) {
|
|
|
|
|
xyzgamma_tab[i] = lrint(pow(i / 4095.0, xyzgamma) * 4095.0);
|
|
|
|
|
rgbgamma_tab[i] = lrint(pow(i / 4095.0, rgbgamma) * 4095.0);
|
|
|
|
|
xyzgammainv_tab[i] = lrint(pow(i / 4095.0, xyzgammainv) * 4095.0);
|
|
|
|
|
rgbgammainv_tab[i] = lrint(pow(i / 4095.0, rgbgammainv) * 4095.0);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int handle_jpeg(enum AVPixelFormat *format)
|
|
|
|
|
{
|
|
|
|
|
switch (*format) {
|
|
|
|
|
case AV_PIX_FMT_YUVJ420P:
|
|
|
|
|
*format = AV_PIX_FMT_YUV420P;
|
|
|
|
|
return 1;
|
|
|
|
|
case AV_PIX_FMT_YUVJ411P:
|
|
|
|
|
*format = AV_PIX_FMT_YUV411P;
|
|
|
|
|
return 1;
|
|
|
|
|
case AV_PIX_FMT_YUVJ422P:
|
|
|
|
|
*format = AV_PIX_FMT_YUV422P;
|
|
|
|
|
return 1;
|
|
|
|
|
case AV_PIX_FMT_YUVJ444P:
|
|
|
|
|
*format = AV_PIX_FMT_YUV444P;
|
|
|
|
|
return 1;
|
|
|
|
|
case AV_PIX_FMT_YUVJ440P:
|
|
|
|
|
*format = AV_PIX_FMT_YUV440P;
|
|
|
|
|
return 1;
|
|
|
|
|
case AV_PIX_FMT_GRAY8:
|
|
|
|
|
case AV_PIX_FMT_YA8:
|
|
|
|
|
case AV_PIX_FMT_GRAY9LE:
|
|
|
|
|
case AV_PIX_FMT_GRAY9BE:
|
|
|
|
|
case AV_PIX_FMT_GRAY10LE:
|
|
|
|
|
case AV_PIX_FMT_GRAY10BE:
|
|
|
|
|
case AV_PIX_FMT_GRAY12LE:
|
|
|
|
|
case AV_PIX_FMT_GRAY12BE:
|
|
|
|
|
case AV_PIX_FMT_GRAY14LE:
|
|
|
|
|
case AV_PIX_FMT_GRAY14BE:
|
|
|
|
|
case AV_PIX_FMT_GRAY16LE:
|
|
|
|
|
case AV_PIX_FMT_GRAY16BE:
|
|
|
|
|
case AV_PIX_FMT_YA16BE:
|
|
|
|
|
case AV_PIX_FMT_YA16LE:
|
|
|
|
|
return 1;
|
|
|
|
|
default:
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int handle_0alpha(enum AVPixelFormat *format)
|
|
|
|
|
{
|
|
|
|
|
switch (*format) {
|
|
|
|
|
case AV_PIX_FMT_0BGR : *format = AV_PIX_FMT_ABGR ; return 1;
|
|
|
|
|
case AV_PIX_FMT_BGR0 : *format = AV_PIX_FMT_BGRA ; return 4;
|
|
|
|
|
case AV_PIX_FMT_0RGB : *format = AV_PIX_FMT_ARGB ; return 1;
|
|
|
|
|
case AV_PIX_FMT_RGB0 : *format = AV_PIX_FMT_RGBA ; return 4;
|
|
|
|
|
default: return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int handle_xyz(enum AVPixelFormat *format)
|
|
|
|
|
{
|
|
|
|
|
switch (*format) {
|
|
|
|
|
case AV_PIX_FMT_XYZ12BE : *format = AV_PIX_FMT_RGB48BE; return 1;
|
|
|
|
|
case AV_PIX_FMT_XYZ12LE : *format = AV_PIX_FMT_RGB48LE; return 1;
|
|
|
|
|
default: return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void handle_formats(SwsContext *c)
|
|
|
|
|
{
|
|
|
|
|
c->src0Alpha |= handle_0alpha(&c->srcFormat);
|
|
|
|
|
c->dst0Alpha |= handle_0alpha(&c->dstFormat);
|
|
|
|
|
c->srcXYZ |= handle_xyz(&c->srcFormat);
|
|
|
|
|
c->dstXYZ |= handle_xyz(&c->dstFormat);
|
|
|
|
|
if (c->srcXYZ || c->dstXYZ)
|
|
|
|
|
fill_xyztables(c);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int range_override_needed(enum AVPixelFormat format)
|
|
|
|
|
{
|
|
|
|
|
return !isYUV(format) && !isGray(format);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
|
|
|
|
|
int srcRange, const int table[4], int dstRange,
|
|
|
|
|
int brightness, int contrast, int saturation)
|
|
|
|
|
{
|
|
|
|
|
const AVPixFmtDescriptor *desc_dst;
|
|
|
|
|
const AVPixFmtDescriptor *desc_src;
|
|
|
|
|
int need_reinit = 0;
|
|
|
|
|
|
|
|
|
|
if (c->nb_slice_ctx) {
|
|
|
|
|
int parent_ret = 0;
|
|
|
|
|
for (int i = 0; i < c->nb_slice_ctx; i++) {
|
|
|
|
|
int ret = sws_setColorspaceDetails(c->slice_ctx[i], inv_table,
|
|
|
|
|
srcRange, table, dstRange,
|
|
|
|
|
brightness, contrast, saturation);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
parent_ret = ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return parent_ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
handle_formats(c);
|
|
|
|
|
desc_dst = av_pix_fmt_desc_get(c->dstFormat);
|
|
|
|
|
desc_src = av_pix_fmt_desc_get(c->srcFormat);
|
|
|
|
|
|
|
|
|
|
if(range_override_needed(c->dstFormat))
|
|
|
|
|
dstRange = 0;
|
|
|
|
|
if(range_override_needed(c->srcFormat))
|
|
|
|
|
srcRange = 0;
|
|
|
|
|
|
|
|
|
|
if (c->srcRange != srcRange ||
|
|
|
|
|
c->dstRange != dstRange ||
|
|
|
|
|
c->brightness != brightness ||
|
|
|
|
|
c->contrast != contrast ||
|
|
|
|
|
c->saturation != saturation ||
|
|
|
|
|
memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) ||
|
|
|
|
|
memcmp(c->dstColorspaceTable, table, sizeof(int) * 4)
|
|
|
|
|
)
|
|
|
|
|
need_reinit = 1;
|
|
|
|
|
|
|
|
|
|
memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
|
|
|
|
|
memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
c->brightness = brightness;
|
|
|
|
|
c->contrast = contrast;
|
|
|
|
|
c->saturation = saturation;
|
|
|
|
|
c->srcRange = srcRange;
|
|
|
|
|
c->dstRange = dstRange;
|
|
|
|
|
|
|
|
|
|
//The srcBpc check is possibly wrong but we seem to lack a definitive reference to test this
|
|
|
|
|
//and what we have in ticket 2939 looks better with this check
|
|
|
|
|
if (need_reinit && (c->srcBpc == 8 || !isYUV(c->srcFormat)))
|
|
|
|
|
ff_sws_init_range_convert(c);
|
|
|
|
|
|
|
|
|
|
c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
|
|
|
|
|
c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
|
|
|
|
|
|
|
|
|
|
if (c->cascaded_context[c->cascaded_mainindex])
|
|
|
|
|
return sws_setColorspaceDetails(c->cascaded_context[c->cascaded_mainindex],inv_table, srcRange,table, dstRange, brightness, contrast, saturation);
|
|
|
|
|
|
|
|
|
|
if (!need_reinit)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat))) {
|
|
|
|
|
if (!c->cascaded_context[0] &&
|
|
|
|
|
memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4) &&
|
|
|
|
|
c->srcW && c->srcH && c->dstW && c->dstH) {
|
|
|
|
|
enum AVPixelFormat tmp_format;
|
|
|
|
|
int tmp_width, tmp_height;
|
|
|
|
|
int srcW = c->srcW;
|
|
|
|
|
int srcH = c->srcH;
|
|
|
|
|
int dstW = c->dstW;
|
|
|
|
|
int dstH = c->dstH;
|
|
|
|
|
int ret;
|
|
|
|
|
av_log(c, AV_LOG_VERBOSE, "YUV color matrix differs for YUV->YUV, using intermediate RGB to convert\n");
|
|
|
|
|
|
|
|
|
|
if (isNBPS(c->dstFormat) || is16BPS(c->dstFormat)) {
|
|
|
|
|
if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) {
|
|
|
|
|
tmp_format = AV_PIX_FMT_BGRA64;
|
|
|
|
|
} else {
|
|
|
|
|
tmp_format = AV_PIX_FMT_BGR48;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) {
|
|
|
|
|
tmp_format = AV_PIX_FMT_BGRA;
|
|
|
|
|
} else {
|
|
|
|
|
tmp_format = AV_PIX_FMT_BGR24;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (srcW*srcH > dstW*dstH) {
|
|
|
|
|
tmp_width = dstW;
|
|
|
|
|
tmp_height = dstH;
|
|
|
|
|
} else {
|
|
|
|
|
tmp_width = srcW;
|
|
|
|
|
tmp_height = srcH;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
|
|
|
|
|
tmp_width, tmp_height, tmp_format, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, c->srcFormat,
|
|
|
|
|
tmp_width, tmp_height, tmp_format,
|
|
|
|
|
c->flags, c->param);
|
|
|
|
|
if (!c->cascaded_context[0])
|
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0]->alphablend = c->alphablend;
|
|
|
|
|
ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
//we set both src and dst depending on that the RGB side will be ignored
|
|
|
|
|
sws_setColorspaceDetails(c->cascaded_context[0], inv_table,
|
|
|
|
|
srcRange, table, dstRange,
|
|
|
|
|
brightness, contrast, saturation);
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1] = sws_alloc_set_opts(tmp_width, tmp_height, tmp_format,
|
|
|
|
|
dstW, dstH, c->dstFormat,
|
|
|
|
|
c->flags, c->param);
|
|
|
|
|
if (!c->cascaded_context[1])
|
|
|
|
|
return -1;
|
|
|
|
|
c->cascaded_context[1]->srcRange = srcRange;
|
|
|
|
|
c->cascaded_context[1]->dstRange = dstRange;
|
|
|
|
|
ret = sws_init_context(c->cascaded_context[1], NULL , NULL);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
sws_setColorspaceDetails(c->cascaded_context[1], inv_table,
|
|
|
|
|
srcRange, table, dstRange,
|
|
|
|
|
0, 1 << 16, 1 << 16);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
//We do not support this combination currently, we need to cascade more contexts to compensate
|
|
|
|
|
if (c->cascaded_context[0] && memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4))
|
|
|
|
|
return -1; //AVERROR_PATCHWELCOME;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!isYUV(c->dstFormat) && !isGray(c->dstFormat)) {
|
|
|
|
|
ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness,
|
|
|
|
|
contrast, saturation);
|
|
|
|
|
// FIXME factorize
|
|
|
|
|
|
|
|
|
|
#if ARCH_PPC
|
|
|
|
|
ff_yuv2rgb_init_tables_ppc(c, inv_table, brightness,
|
|
|
|
|
contrast, saturation);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
fill_rgb2yuv_table(c, table, dstRange);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
|
|
|
|
|
int *srcRange, int **table, int *dstRange,
|
|
|
|
|
int *brightness, int *contrast, int *saturation)
|
|
|
|
|
{
|
|
|
|
|
if (!c )
|
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
|
|
if (c->nb_slice_ctx) {
|
|
|
|
|
return sws_getColorspaceDetails(c->slice_ctx[0], inv_table, srcRange,
|
|
|
|
|
table, dstRange, brightness, contrast,
|
|
|
|
|
saturation);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*inv_table = c->srcColorspaceTable;
|
|
|
|
|
*table = c->dstColorspaceTable;
|
|
|
|
|
*srcRange = range_override_needed(c->srcFormat) ? 1 : c->srcRange;
|
|
|
|
|
*dstRange = range_override_needed(c->dstFormat) ? 1 : c->dstRange;
|
|
|
|
|
*brightness = c->brightness;
|
|
|
|
|
*contrast = c->contrast;
|
|
|
|
|
*saturation = c->saturation;
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsContext *sws_alloc_context(void)
|
|
|
|
|
{
|
|
|
|
|
SwsContext *c = av_mallocz(sizeof(SwsContext));
|
|
|
|
|
|
|
|
|
|
av_assert0(offsetof(SwsContext, redDither) + DITHER32_INT == offsetof(SwsContext, dither32));
|
|
|
|
|
|
|
|
|
|
if (c) {
|
|
|
|
|
c->av_class = &ff_sws_context_class;
|
|
|
|
|
av_opt_set_defaults(c);
|
swscale/swscale: Fix races when using unaligned strides/data
In this case the current code tries to warn once; to do so, it uses
ordinary static ints to store whether the warning has already been
emitted. This is both a data race (and therefore undefined behaviour)
as well as a race condition, because it is really possible for multiple
threads to be the one thread to emit the warning. This is actually
common since the introduction of the new multithreaded scaling API.
This commit fixes this by using atomic integers for the state;
furthermore, these are not static anymore, but rather contained
in the user-facing SwsContext (i.e. the parent SwsContext in case
of slice-threading).
Given that these atomic variables are not intended for synchronization
at all (but only for atomicity, i.e. only to output the warning once),
the atomic operations use memory_order_relaxed.
This affected the nv12, nv21, yuv420, yuv420p10, yuv422, yuv422p10 and
yuv444 filter-overlay FATE-tests.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
3 years ago
|
|
|
atomic_init(&c->stride_unaligned_warned, 0);
|
|
|
|
|
atomic_init(&c->data_unaligned_warned, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static uint16_t * alloc_gamma_tbl(double e)
|
|
|
|
|
{
|
|
|
|
|
int i = 0;
|
|
|
|
|
uint16_t * tbl;
|
|
|
|
|
tbl = (uint16_t*)av_malloc(sizeof(uint16_t) * 1 << 16);
|
|
|
|
|
if (!tbl)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < 65536; ++i) {
|
|
|
|
|
tbl[i] = pow(i / 65535.0, e) * 65535.0;
|
|
|
|
|
}
|
|
|
|
|
return tbl;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static enum AVPixelFormat alphaless_fmt(enum AVPixelFormat fmt)
|
|
|
|
|
{
|
|
|
|
|
switch(fmt) {
|
|
|
|
|
case AV_PIX_FMT_ARGB: return AV_PIX_FMT_RGB24;
|
|
|
|
|
case AV_PIX_FMT_RGBA: return AV_PIX_FMT_RGB24;
|
|
|
|
|
case AV_PIX_FMT_ABGR: return AV_PIX_FMT_BGR24;
|
|
|
|
|
case AV_PIX_FMT_BGRA: return AV_PIX_FMT_BGR24;
|
|
|
|
|
case AV_PIX_FMT_YA8: return AV_PIX_FMT_GRAY8;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_YUVA420P: return AV_PIX_FMT_YUV420P;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P: return AV_PIX_FMT_YUV422P;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P: return AV_PIX_FMT_YUV444P;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_GBRAP: return AV_PIX_FMT_GBRP;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_GBRAP10LE: return AV_PIX_FMT_GBRP10;
|
|
|
|
|
case AV_PIX_FMT_GBRAP10BE: return AV_PIX_FMT_GBRP10;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_GBRAP12LE: return AV_PIX_FMT_GBRP12;
|
|
|
|
|
case AV_PIX_FMT_GBRAP12BE: return AV_PIX_FMT_GBRP12;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_GBRAP16LE: return AV_PIX_FMT_GBRP16;
|
|
|
|
|
case AV_PIX_FMT_GBRAP16BE: return AV_PIX_FMT_GBRP16;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_RGBA64LE: return AV_PIX_FMT_RGB48;
|
|
|
|
|
case AV_PIX_FMT_RGBA64BE: return AV_PIX_FMT_RGB48;
|
|
|
|
|
case AV_PIX_FMT_BGRA64LE: return AV_PIX_FMT_BGR48;
|
|
|
|
|
case AV_PIX_FMT_BGRA64BE: return AV_PIX_FMT_BGR48;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_YA16BE: return AV_PIX_FMT_GRAY16;
|
|
|
|
|
case AV_PIX_FMT_YA16LE: return AV_PIX_FMT_GRAY16;
|
|
|
|
|
|
|
|
|
|
case AV_PIX_FMT_YUVA420P9BE: return AV_PIX_FMT_YUV420P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P9BE: return AV_PIX_FMT_YUV422P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P9BE: return AV_PIX_FMT_YUV444P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA420P9LE: return AV_PIX_FMT_YUV420P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P9LE: return AV_PIX_FMT_YUV422P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P9LE: return AV_PIX_FMT_YUV444P9;
|
|
|
|
|
case AV_PIX_FMT_YUVA420P10BE: return AV_PIX_FMT_YUV420P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P10BE: return AV_PIX_FMT_YUV422P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P10BE: return AV_PIX_FMT_YUV444P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA420P10LE: return AV_PIX_FMT_YUV420P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P10LE: return AV_PIX_FMT_YUV422P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P10LE: return AV_PIX_FMT_YUV444P10;
|
|
|
|
|
case AV_PIX_FMT_YUVA420P16BE: return AV_PIX_FMT_YUV420P16;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P16BE: return AV_PIX_FMT_YUV422P16;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P16BE: return AV_PIX_FMT_YUV444P16;
|
|
|
|
|
case AV_PIX_FMT_YUVA420P16LE: return AV_PIX_FMT_YUV420P16;
|
|
|
|
|
case AV_PIX_FMT_YUVA422P16LE: return AV_PIX_FMT_YUV422P16;
|
|
|
|
|
case AV_PIX_FMT_YUVA444P16LE: return AV_PIX_FMT_YUV444P16;
|
|
|
|
|
|
|
|
|
|
// case AV_PIX_FMT_AYUV64LE:
|
|
|
|
|
// case AV_PIX_FMT_AYUV64BE:
|
|
|
|
|
// case AV_PIX_FMT_PAL8:
|
|
|
|
|
default: return AV_PIX_FMT_NONE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int sws_init_single_context(SwsContext *c, SwsFilter *srcFilter,
|
|
|
|
|
SwsFilter *dstFilter);
|
|
|
|
|
|
|
|
|
|
static av_cold int sws_init_single_context(SwsContext *c, SwsFilter *srcFilter,
|
|
|
|
|
SwsFilter *dstFilter)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
int usesVFilter, usesHFilter;
|
|
|
|
|
int unscaled;
|
|
|
|
|
SwsFilter dummyFilter = { NULL, NULL, NULL, NULL };
|
|
|
|
|
int srcW = c->srcW;
|
|
|
|
|
int srcH = c->srcH;
|
|
|
|
|
int dstW = c->dstW;
|
|
|
|
|
int dstH = c->dstH;
|
|
|
|
|
int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 66, 16);
|
|
|
|
|
int flags, cpu_flags;
|
|
|
|
|
enum AVPixelFormat srcFormat, dstFormat;
|
|
|
|
|
const AVPixFmtDescriptor *desc_src;
|
|
|
|
|
const AVPixFmtDescriptor *desc_dst;
|
|
|
|
|
int ret = 0;
|
|
|
|
|
enum AVPixelFormat tmpFmt;
|
|
|
|
|
static const float float_mult = 1.0f / 255.0f;
|
|
|
|
|
|
|
|
|
|
cpu_flags = av_get_cpu_flags();
|
|
|
|
|
flags = c->flags;
|
|
|
|
|
emms_c();
|
|
|
|
|
|
|
|
|
|
unscaled = (srcW == dstW && srcH == dstH);
|
|
|
|
|
|
|
|
|
|
if (!c->contrast && !c->saturation && !c->dstFormatBpp)
|
|
|
|
|
sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange,
|
|
|
|
|
ff_yuv2rgb_coeffs[SWS_CS_DEFAULT],
|
|
|
|
|
c->dstRange, 0, 1 << 16, 1 << 16);
|
|
|
|
|
|
|
|
|
|
handle_formats(c);
|
|
|
|
|
srcFormat = c->srcFormat;
|
|
|
|
|
dstFormat = c->dstFormat;
|
|
|
|
|
desc_src = av_pix_fmt_desc_get(srcFormat);
|
|
|
|
|
desc_dst = av_pix_fmt_desc_get(dstFormat);
|
|
|
|
|
|
|
|
|
|
// If the source has no alpha then disable alpha blendaway
|
|
|
|
|
if (c->src0Alpha)
|
|
|
|
|
c->alphablend = SWS_ALPHA_BLEND_NONE;
|
|
|
|
|
|
|
|
|
|
if (!(unscaled && sws_isSupportedEndiannessConversion(srcFormat) &&
|
|
|
|
|
av_pix_fmt_swap_endianness(srcFormat) == dstFormat)) {
|
|
|
|
|
if (!sws_isSupportedInput(srcFormat)) {
|
|
|
|
|
av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n",
|
|
|
|
|
av_get_pix_fmt_name(srcFormat));
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
if (!sws_isSupportedOutput(dstFormat)) {
|
|
|
|
|
av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n",
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
av_assert2(desc_src && desc_dst);
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
|
|
/* provide a default scaler if not set by caller */
|
|
|
|
|
if (!i) {
|
|
|
|
|
if (dstW < srcW && dstH < srcH)
|
|
|
|
|
flags |= SWS_BICUBIC;
|
|
|
|
|
else if (dstW > srcW && dstH > srcH)
|
|
|
|
|
flags |= SWS_BICUBIC;
|
|
|
|
|
else
|
|
|
|
|
flags |= SWS_BICUBIC;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
} else if (i & (i - 1)) {
|
|
|
|
|
av_log(c, AV_LOG_ERROR,
|
|
|
|
|
"Exactly one scaler algorithm must be chosen, got %X\n", i);
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
/* sanity check */
|
|
|
|
|
if (srcW < 1 || srcH < 1 || dstW < 1 || dstH < 1) {
|
|
|
|
|
/* FIXME check if these are enough and try to lower them after
|
|
|
|
|
* fixing the relevant parts of the code */
|
|
|
|
|
av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n",
|
|
|
|
|
srcW, srcH, dstW, dstH);
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
if (flags & SWS_FAST_BILINEAR) {
|
|
|
|
|
if (srcW < 8 || dstW < 8) {
|
|
|
|
|
flags ^= SWS_FAST_BILINEAR | SWS_BILINEAR;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!dstFilter)
|
|
|
|
|
dstFilter = &dummyFilter;
|
|
|
|
|
if (!srcFilter)
|
|
|
|
|
srcFilter = &dummyFilter;
|
|
|
|
|
|
|
|
|
|
c->lumXInc = (((int64_t)srcW << 16) + (dstW >> 1)) / dstW;
|
|
|
|
|
c->lumYInc = (((int64_t)srcH << 16) + (dstH >> 1)) / dstH;
|
|
|
|
|
c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
|
|
|
|
|
c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
|
|
|
|
|
c->vRounder = 4 * 0x0001000100010001ULL;
|
|
|
|
|
|
|
|
|
|
usesVFilter = (srcFilter->lumV && srcFilter->lumV->length > 1) ||
|
|
|
|
|
(srcFilter->chrV && srcFilter->chrV->length > 1) ||
|
|
|
|
|
(dstFilter->lumV && dstFilter->lumV->length > 1) ||
|
|
|
|
|
(dstFilter->chrV && dstFilter->chrV->length > 1);
|
|
|
|
|
usesHFilter = (srcFilter->lumH && srcFilter->lumH->length > 1) ||
|
|
|
|
|
(srcFilter->chrH && srcFilter->chrH->length > 1) ||
|
|
|
|
|
(dstFilter->lumH && dstFilter->lumH->length > 1) ||
|
|
|
|
|
(dstFilter->chrH && dstFilter->chrH->length > 1);
|
|
|
|
|
|
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(srcFormat, &c->chrSrcHSubSample, &c->chrSrcVSubSample);
|
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(dstFormat, &c->chrDstHSubSample, &c->chrDstVSubSample);
|
|
|
|
|
|
|
|
|
|
c->dst_slice_align = 1 << c->chrDstVSubSample;
|
|
|
|
|
|
|
|
|
|
if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) {
|
|
|
|
|
if (dstW&1) {
|
|
|
|
|
av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to odd output size\n");
|
|
|
|
|
flags |= SWS_FULL_CHR_H_INT;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( c->chrSrcHSubSample == 0
|
|
|
|
|
&& c->chrSrcVSubSample == 0
|
|
|
|
|
&& c->dither != SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER
|
|
|
|
|
&& !(c->flags & SWS_FAST_BILINEAR)
|
|
|
|
|
) {
|
|
|
|
|
av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to input having non subsampled chroma\n");
|
|
|
|
|
flags |= SWS_FULL_CHR_H_INT;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (c->dither == SWS_DITHER_AUTO) {
|
|
|
|
|
if (flags & SWS_ERROR_DIFFUSION)
|
|
|
|
|
c->dither = SWS_DITHER_ED;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if(dstFormat == AV_PIX_FMT_BGR4_BYTE ||
|
|
|
|
|
dstFormat == AV_PIX_FMT_RGB4_BYTE ||
|
|
|
|
|
dstFormat == AV_PIX_FMT_BGR8 ||
|
|
|
|
|
dstFormat == AV_PIX_FMT_RGB8) {
|
|
|
|
|
if (c->dither == SWS_DITHER_AUTO)
|
|
|
|
|
c->dither = (flags & SWS_FULL_CHR_H_INT) ? SWS_DITHER_ED : SWS_DITHER_BAYER;
|
|
|
|
|
if (!(flags & SWS_FULL_CHR_H_INT)) {
|
|
|
|
|
if (c->dither == SWS_DITHER_ED || c->dither == SWS_DITHER_A_DITHER || c->dither == SWS_DITHER_X_DITHER || c->dither == SWS_DITHER_NONE) {
|
|
|
|
|
av_log(c, AV_LOG_DEBUG,
|
|
|
|
|
"Desired dithering only supported in full chroma interpolation for destination format '%s'\n",
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
flags |= SWS_FULL_CHR_H_INT;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (flags & SWS_FULL_CHR_H_INT) {
|
|
|
|
|
if (c->dither == SWS_DITHER_BAYER) {
|
|
|
|
|
av_log(c, AV_LOG_DEBUG,
|
|
|
|
|
"Ordered dither is not supported in full chroma interpolation for destination format '%s'\n",
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
c->dither = SWS_DITHER_ED;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (isPlanarRGB(dstFormat)) {
|
|
|
|
|
if (!(flags & SWS_FULL_CHR_H_INT)) {
|
|
|
|
|
av_log(c, AV_LOG_DEBUG,
|
|
|
|
|
"%s output is not supported with half chroma resolution, switching to full\n",
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
flags |= SWS_FULL_CHR_H_INT;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* reuse chroma for 2 pixels RGB/BGR unless user wants full
|
|
|
|
|
* chroma interpolation */
|
|
|
|
|
if (flags & SWS_FULL_CHR_H_INT &&
|
|
|
|
|
isAnyRGB(dstFormat) &&
|
|
|
|
|
!isPlanarRGB(dstFormat) &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGBA64LE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGBA64BE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGRA64LE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGRA64BE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB48LE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB48BE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGR48LE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGR48BE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGBA &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_ARGB &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGRA &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_ABGR &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB24 &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGR24 &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGR4_BYTE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB4_BYTE &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_BGR8 &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB8
|
|
|
|
|
) {
|
|
|
|
|
av_log(c, AV_LOG_WARNING,
|
|
|
|
|
"full chroma interpolation for destination format '%s' not yet implemented\n",
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
flags &= ~SWS_FULL_CHR_H_INT;
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
}
|
|
|
|
|
if (isAnyRGB(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 (isAnyRGB(srcFormat) && !(flags & SWS_FULL_CHR_H_INP) &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_RGB8 && srcFormat != AV_PIX_FMT_BGR8 &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_RGB4 && srcFormat != AV_PIX_FMT_BGR4 &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_RGB4_BYTE && srcFormat != AV_PIX_FMT_BGR4_BYTE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRP9BE && srcFormat != AV_PIX_FMT_GBRP9LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRP10BE && srcFormat != AV_PIX_FMT_GBRP10LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRAP10BE && srcFormat != AV_PIX_FMT_GBRAP10LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRP12BE && srcFormat != AV_PIX_FMT_GBRP12LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRAP12BE && srcFormat != AV_PIX_FMT_GBRAP12LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRP14BE && srcFormat != AV_PIX_FMT_GBRP14LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRP16BE && srcFormat != AV_PIX_FMT_GBRP16LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRAP16BE && srcFormat != AV_PIX_FMT_GBRAP16LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRPF32BE && srcFormat != AV_PIX_FMT_GBRPF32LE &&
|
|
|
|
|
srcFormat != AV_PIX_FMT_GBRAPF32BE && srcFormat != AV_PIX_FMT_GBRAPF32LE &&
|
|
|
|
|
((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
|
|
|
|
|
(flags & SWS_FAST_BILINEAR)))
|
|
|
|
|
c->chrSrcHSubSample = 1;
|
|
|
|
|
|
|
|
|
|
// Note the AV_CEIL_RSHIFT is so that we always round toward +inf.
|
|
|
|
|
c->chrSrcW = AV_CEIL_RSHIFT(srcW, c->chrSrcHSubSample);
|
|
|
|
|
c->chrSrcH = AV_CEIL_RSHIFT(srcH, c->chrSrcVSubSample);
|
|
|
|
|
c->chrDstW = AV_CEIL_RSHIFT(dstW, c->chrDstHSubSample);
|
|
|
|
|
c->chrDstH = AV_CEIL_RSHIFT(dstH, c->chrDstVSubSample);
|
|
|
|
|
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(c->formatConvBuffer, FFALIGN(srcW * 2 + 78, 16) * 2))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
c->srcBpc = desc_src->comp[0].depth;
|
|
|
|
|
if (c->srcBpc < 8)
|
|
|
|
|
c->srcBpc = 8;
|
|
|
|
|
c->dstBpc = desc_dst->comp[0].depth;
|
|
|
|
|
if (c->dstBpc < 8)
|
|
|
|
|
c->dstBpc = 8;
|
|
|
|
|
if (isAnyRGB(srcFormat) || srcFormat == AV_PIX_FMT_PAL8)
|
|
|
|
|
c->srcBpc = 16;
|
|
|
|
|
if (c->dstBpc == 16)
|
|
|
|
|
dst_stride <<= 1;
|
|
|
|
|
|
|
|
|
|
if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 14) {
|
|
|
|
|
c->canMMXEXTBeUsed = dstW >= srcW && (dstW & 31) == 0 &&
|
|
|
|
|
c->chrDstW >= c->chrSrcW &&
|
|
|
|
|
(srcW & 15) == 0;
|
|
|
|
|
if (!c->canMMXEXTBeUsed && dstW >= srcW && c->chrDstW >= c->chrSrcW && (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 MMXEXT scaler\n");
|
|
|
|
|
}
|
|
|
|
|
if (usesHFilter || isNBPS(c->srcFormat) || is16BPS(c->srcFormat) || isAnyRGB(c->srcFormat))
|
|
|
|
|
c->canMMXEXTBeUsed = 0;
|
|
|
|
|
} else
|
|
|
|
|
c->canMMXEXTBeUsed = 0;
|
|
|
|
|
|
|
|
|
|
c->chrXInc = (((int64_t)c->chrSrcW << 16) + (c->chrDstW >> 1)) / c->chrDstW;
|
|
|
|
|
c->chrYInc = (((int64_t)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->canMMXEXTBeUsed) {
|
|
|
|
|
c->lumXInc += 20;
|
|
|
|
|
c->chrXInc += 20;
|
|
|
|
|
}
|
|
|
|
|
// we don't use the x86 asm scaler if MMX is available
|
|
|
|
|
else if (INLINE_MMX(cpu_flags) && c->dstBpc <= 14) {
|
|
|
|
|
c->lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20;
|
|
|
|
|
c->chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// hardcoded for now
|
|
|
|
|
c->gamma_value = 2.2;
|
|
|
|
|
tmpFmt = AV_PIX_FMT_RGBA64LE;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (!unscaled && c->gamma_flag && (srcFormat != tmpFmt || dstFormat != tmpFmt)) {
|
|
|
|
|
SwsContext *c2;
|
|
|
|
|
c->cascaded_context[0] = NULL;
|
|
|
|
|
|
|
|
|
|
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
|
|
|
|
|
srcW, srcH, tmpFmt, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
|
|
|
|
|
srcW, srcH, tmpFmt,
|
|
|
|
|
flags, NULL, NULL, c->param);
|
|
|
|
|
if (!c->cascaded_context[0]) {
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFmt,
|
|
|
|
|
dstW, dstH, tmpFmt,
|
|
|
|
|
flags, srcFilter, dstFilter, c->param);
|
|
|
|
|
|
|
|
|
|
if (!c->cascaded_context[1])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
c2 = c->cascaded_context[1];
|
|
|
|
|
c2->is_internal_gamma = 1;
|
|
|
|
|
c2->gamma = alloc_gamma_tbl( c->gamma_value);
|
|
|
|
|
c2->inv_gamma = alloc_gamma_tbl(1.f/c->gamma_value);
|
|
|
|
|
if (!c2->gamma || !c2->inv_gamma)
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
// is_internal_flag is set after creating the context
|
|
|
|
|
// to properly create the gamma convert FilterDescriptor
|
|
|
|
|
// we have to re-initialize it
|
|
|
|
|
ff_free_filters(c2);
|
|
|
|
|
if ((ret = ff_init_filters(c2)) < 0) {
|
|
|
|
|
sws_freeContext(c2);
|
|
|
|
|
c->cascaded_context[1] = NULL;
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[2] = NULL;
|
|
|
|
|
if (dstFormat != tmpFmt) {
|
|
|
|
|
ret = av_image_alloc(c->cascaded1_tmp, c->cascaded1_tmpStride,
|
|
|
|
|
dstW, dstH, tmpFmt, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[2] = sws_getContext(dstW, dstH, tmpFmt,
|
|
|
|
|
dstW, dstH, dstFormat,
|
|
|
|
|
flags, NULL, NULL, c->param);
|
|
|
|
|
if (!c->cascaded_context[2])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (isBayer(srcFormat)) {
|
|
|
|
|
if (!unscaled ||
|
|
|
|
|
(dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P &&
|
|
|
|
|
dstFormat != AV_PIX_FMT_RGB48)) {
|
|
|
|
|
enum AVPixelFormat tmpFormat = isBayer16BPS(srcFormat) ? AV_PIX_FMT_RGB48 : AV_PIX_FMT_RGB24;
|
|
|
|
|
|
|
|
|
|
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
|
|
|
|
|
srcW, srcH, tmpFormat, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
|
|
|
|
|
srcW, srcH, tmpFormat,
|
|
|
|
|
flags, srcFilter, NULL, c->param);
|
|
|
|
|
if (!c->cascaded_context[0])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat,
|
|
|
|
|
dstW, dstH, dstFormat,
|
|
|
|
|
flags, NULL, dstFilter, c->param);
|
|
|
|
|
if (!c->cascaded_context[1])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (unscaled && c->srcBpc == 8 && dstFormat == AV_PIX_FMT_GRAYF32){
|
|
|
|
|
for (i = 0; i < 256; ++i){
|
|
|
|
|
c->uint2float_lut[i] = (float)i * float_mult;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// float will be converted to uint16_t
|
|
|
|
|
if ((srcFormat == AV_PIX_FMT_GRAYF32BE || srcFormat == AV_PIX_FMT_GRAYF32LE) &&
|
|
|
|
|
(!unscaled || unscaled && dstFormat != srcFormat && (srcFormat != AV_PIX_FMT_GRAYF32 ||
|
|
|
|
|
dstFormat != AV_PIX_FMT_GRAY8))){
|
|
|
|
|
c->srcBpc = 16;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (CONFIG_SWSCALE_ALPHA && isALPHA(srcFormat) && !isALPHA(dstFormat)) {
|
|
|
|
|
enum AVPixelFormat tmpFormat = alphaless_fmt(srcFormat);
|
|
|
|
|
|
|
|
|
|
if (tmpFormat != AV_PIX_FMT_NONE && c->alphablend != SWS_ALPHA_BLEND_NONE) {
|
|
|
|
|
if (!unscaled ||
|
|
|
|
|
dstFormat != tmpFormat ||
|
|
|
|
|
usesHFilter || usesVFilter ||
|
|
|
|
|
c->srcRange != c->dstRange
|
|
|
|
|
) {
|
|
|
|
|
c->cascaded_mainindex = 1;
|
|
|
|
|
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
|
|
|
|
|
srcW, srcH, tmpFormat, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0] = sws_alloc_set_opts(srcW, srcH, srcFormat,
|
|
|
|
|
srcW, srcH, tmpFormat,
|
|
|
|
|
flags, c->param);
|
|
|
|
|
if (!c->cascaded_context[0])
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
c->cascaded_context[0]->alphablend = c->alphablend;
|
|
|
|
|
ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1] = sws_alloc_set_opts(srcW, srcH, tmpFormat,
|
|
|
|
|
dstW, dstH, dstFormat,
|
|
|
|
|
flags, c->param);
|
|
|
|
|
if (!c->cascaded_context[1])
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1]->srcRange = c->srcRange;
|
|
|
|
|
c->cascaded_context[1]->dstRange = c->dstRange;
|
|
|
|
|
ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* alpha blend special case, note this has been split via cascaded contexts if its scaled */
|
|
|
|
|
if (unscaled && !usesHFilter && !usesVFilter &&
|
|
|
|
|
c->alphablend != SWS_ALPHA_BLEND_NONE &&
|
|
|
|
|
isALPHA(srcFormat) &&
|
|
|
|
|
(c->srcRange == c->dstRange || isAnyRGB(dstFormat)) &&
|
|
|
|
|
alphaless_fmt(srcFormat) == dstFormat
|
|
|
|
|
) {
|
|
|
|
|
c->convert_unscaled = ff_sws_alphablendaway;
|
|
|
|
|
|
|
|
|
|
if (flags & SWS_PRINT_INFO)
|
|
|
|
|
av_log(c, AV_LOG_INFO,
|
|
|
|
|
"using alpha blendaway %s -> %s special converter\n",
|
|
|
|
|
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* unscaled special cases */
|
|
|
|
|
if (unscaled && !usesHFilter && !usesVFilter &&
|
|
|
|
|
(c->srcRange == c->dstRange || isAnyRGB(dstFormat) ||
|
|
|
|
|
isFloat(srcFormat) || isFloat(dstFormat))){
|
|
|
|
|
ff_get_unscaled_swscale(c);
|
|
|
|
|
|
|
|
|
|
if (c->convert_unscaled) {
|
|
|
|
|
if (flags & SWS_PRINT_INFO)
|
|
|
|
|
av_log(c, AV_LOG_INFO,
|
|
|
|
|
"using unscaled %s -> %s special converter\n",
|
|
|
|
|
av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#if HAVE_MMAP && HAVE_MPROTECT && defined(MAP_ANONYMOUS)
|
|
|
|
|
#define USE_MMAP 1
|
|
|
|
|
#else
|
|
|
|
|
#define USE_MMAP 0
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* precalculate horizontal scaler filter coefficients */
|
|
|
|
|
{
|
|
|
|
|
#if HAVE_MMXEXT_INLINE
|
|
|
|
|
// can't downscale !!!
|
|
|
|
|
if (c->canMMXEXTBeUsed && (flags & SWS_FAST_BILINEAR)) {
|
|
|
|
|
c->lumMmxextFilterCodeSize = ff_init_hscaler_mmxext(dstW, c->lumXInc, NULL,
|
|
|
|
|
NULL, NULL, 8);
|
|
|
|
|
c->chrMmxextFilterCodeSize = ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc,
|
|
|
|
|
NULL, NULL, NULL, 4);
|
|
|
|
|
|
|
|
|
|
#if USE_MMAP
|
|
|
|
|
c->lumMmxextFilterCode = mmap(NULL, c->lumMmxextFilterCodeSize,
|
|
|
|
|
PROT_READ | PROT_WRITE,
|
|
|
|
|
MAP_PRIVATE | MAP_ANONYMOUS,
|
|
|
|
|
-1, 0);
|
|
|
|
|
c->chrMmxextFilterCode = mmap(NULL, c->chrMmxextFilterCodeSize,
|
|
|
|
|
PROT_READ | PROT_WRITE,
|
|
|
|
|
MAP_PRIVATE | MAP_ANONYMOUS,
|
|
|
|
|
-1, 0);
|
|
|
|
|
#elif HAVE_VIRTUALALLOC
|
|
|
|
|
c->lumMmxextFilterCode = VirtualAlloc(NULL,
|
|
|
|
|
c->lumMmxextFilterCodeSize,
|
|
|
|
|
MEM_COMMIT,
|
|
|
|
|
PAGE_EXECUTE_READWRITE);
|
|
|
|
|
c->chrMmxextFilterCode = VirtualAlloc(NULL,
|
|
|
|
|
c->chrMmxextFilterCodeSize,
|
|
|
|
|
MEM_COMMIT,
|
|
|
|
|
PAGE_EXECUTE_READWRITE);
|
|
|
|
|
#else
|
|
|
|
|
c->lumMmxextFilterCode = av_malloc(c->lumMmxextFilterCodeSize);
|
|
|
|
|
c->chrMmxextFilterCode = av_malloc(c->chrMmxextFilterCodeSize);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef MAP_ANONYMOUS
|
|
|
|
|
if (c->lumMmxextFilterCode == MAP_FAILED || c->chrMmxextFilterCode == MAP_FAILED)
|
|
|
|
|
#else
|
|
|
|
|
if (!c->lumMmxextFilterCode || !c->chrMmxextFilterCode)
|
|
|
|
|
#endif
|
|
|
|
|
{
|
|
|
|
|
av_log(c, AV_LOG_ERROR, "Failed to allocate MMX2FilterCode\n");
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(c->hLumFilter, dstW / 8 + 8) ||
|
|
|
|
|
!FF_ALLOCZ_TYPED_ARRAY(c->hChrFilter, c->chrDstW / 4 + 8) ||
|
|
|
|
|
!FF_ALLOCZ_TYPED_ARRAY(c->hLumFilterPos, dstW / 2 / 8 + 8) ||
|
|
|
|
|
!FF_ALLOCZ_TYPED_ARRAY(c->hChrFilterPos, c->chrDstW / 2 / 4 + 8))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
ff_init_hscaler_mmxext( dstW, c->lumXInc, c->lumMmxextFilterCode,
|
|
|
|
|
c->hLumFilter, (uint32_t*)c->hLumFilterPos, 8);
|
|
|
|
|
ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode,
|
|
|
|
|
c->hChrFilter, (uint32_t*)c->hChrFilterPos, 4);
|
|
|
|
|
|
|
|
|
|
#if USE_MMAP
|
|
|
|
|
if ( mprotect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1
|
|
|
|
|
|| mprotect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1) {
|
|
|
|
|
av_log(c, AV_LOG_ERROR, "mprotect failed, cannot use fast bilinear scaler\n");
|
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
|
goto fail;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
} else
|
|
|
|
|
#endif /* HAVE_MMXEXT_INLINE */
|
|
|
|
|
{
|
|
|
|
|
const int filterAlign = X86_MMX(cpu_flags) ? 4 :
|
|
|
|
|
PPC_ALTIVEC(cpu_flags) ? 8 :
|
|
|
|
|
have_neon(cpu_flags) ? 4 :
|
|
|
|
|
have_lasx(cpu_flags) ? 8 : 1;
|
|
|
|
|
|
|
|
|
|
if ((ret = initFilter(&c->hLumFilter, &c->hLumFilterPos,
|
|
|
|
|
&c->hLumFilterSize, c->lumXInc,
|
|
|
|
|
srcW, dstW, filterAlign, 1 << 14,
|
|
|
|
|
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
|
|
|
|
|
cpu_flags, srcFilter->lumH, dstFilter->lumH,
|
|
|
|
|
c->param,
|
|
|
|
|
get_local_pos(c, 0, 0, 0),
|
|
|
|
|
get_local_pos(c, 0, 0, 0))) < 0)
|
|
|
|
|
goto fail;
|
|
|
|
|
if (ff_shuffle_filter_coefficients(c, c->hLumFilterPos, c->hLumFilterSize, c->hLumFilter, dstW) < 0)
|
|
|
|
|
goto nomem;
|
|
|
|
|
if ((ret = initFilter(&c->hChrFilter, &c->hChrFilterPos,
|
|
|
|
|
&c->hChrFilterSize, c->chrXInc,
|
|
|
|
|
c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
|
|
|
|
|
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
|
|
|
|
|
cpu_flags, srcFilter->chrH, dstFilter->chrH,
|
|
|
|
|
c->param,
|
|
|
|
|
get_local_pos(c, c->chrSrcHSubSample, c->src_h_chr_pos, 0),
|
|
|
|
|
get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0))) < 0)
|
|
|
|
|
goto fail;
|
|
|
|
|
if (ff_shuffle_filter_coefficients(c, c->hChrFilterPos, c->hChrFilterSize, c->hChrFilter, c->chrDstW) < 0)
|
|
|
|
|
goto nomem;
|
|
|
|
|
}
|
|
|
|
|
} // initialize horizontal stuff
|
|
|
|
|
|
|
|
|
|
/* precalculate vertical scaler filter coefficients */
|
|
|
|
|
{
|
|
|
|
|
const int filterAlign = X86_MMX(cpu_flags) ? 2 :
|
|
|
|
|
PPC_ALTIVEC(cpu_flags) ? 8 :
|
|
|
|
|
have_neon(cpu_flags) ? 2 : 1;
|
|
|
|
|
|
|
|
|
|
if ((ret = initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
|
|
|
|
|
c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
|
|
|
|
|
(flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
|
|
|
|
|
cpu_flags, srcFilter->lumV, dstFilter->lumV,
|
|
|
|
|
c->param,
|
|
|
|
|
get_local_pos(c, 0, 0, 1),
|
|
|
|
|
get_local_pos(c, 0, 0, 1))) < 0)
|
|
|
|
|
goto fail;
|
|
|
|
|
if ((ret = initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
|
|
|
|
|
c->chrYInc, c->chrSrcH, c->chrDstH,
|
|
|
|
|
filterAlign, (1 << 12),
|
|
|
|
|
(flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
|
|
|
|
|
cpu_flags, srcFilter->chrV, dstFilter->chrV,
|
|
|
|
|
c->param,
|
|
|
|
|
get_local_pos(c, c->chrSrcVSubSample, c->src_v_chr_pos, 1),
|
|
|
|
|
get_local_pos(c, c->chrDstVSubSample, c->dst_v_chr_pos, 1))) < 0)
|
|
|
|
|
|
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
|
|
#if HAVE_ALTIVEC
|
|
|
|
|
if (!FF_ALLOC_TYPED_ARRAY(c->vYCoeffsBank, c->vLumFilterSize * c->dstH) ||
|
|
|
|
|
!FF_ALLOC_TYPED_ARRAY(c->vCCoeffsBank, c->vChrFilterSize * c->chrDstH))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
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
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < 4; i++)
|
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], c->dstW + 2))
|
|
|
|
|
goto nomem;
|
|
|
|
|
|
|
|
|
|
c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) ? 1 : 0;
|
|
|
|
|
|
|
|
|
|
// 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
|
|
|
|
|
c->uv_off = (dst_stride>>1) + 64 / (c->dstBpc &~ 7);
|
|
|
|
|
c->uv_offx2 = dst_stride + 16;
|
|
|
|
|
|
|
|
|
|
av_assert0(c->chrDstH <= dstH);
|
|
|
|
|
|
|
|
|
|
if (flags & SWS_PRINT_INFO) {
|
|
|
|
|
const char *scaler = NULL, *cpucaps;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
|
|
|
|
|
if (flags & scale_algorithms[i].flag) {
|
|
|
|
|
scaler = scale_algorithms[i].description;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (!scaler)
|
|
|
|
|
scaler = "ehh flags invalid?!";
|
|
|
|
|
av_log(c, AV_LOG_INFO, "%s scaler, from %s to %s%s ",
|
|
|
|
|
scaler,
|
|
|
|
|
av_get_pix_fmt_name(srcFormat),
|
|
|
|
|
#ifdef DITHER1XBPP
|
|
|
|
|
dstFormat == AV_PIX_FMT_BGR555 || dstFormat == AV_PIX_FMT_BGR565 ||
|
|
|
|
|
dstFormat == AV_PIX_FMT_RGB444BE || dstFormat == AV_PIX_FMT_RGB444LE ||
|
|
|
|
|
dstFormat == AV_PIX_FMT_BGR444BE || dstFormat == AV_PIX_FMT_BGR444LE ?
|
|
|
|
|
"dithered " : "",
|
|
|
|
|
#else
|
|
|
|
|
"",
|
|
|
|
|
#endif
|
|
|
|
|
av_get_pix_fmt_name(dstFormat));
|
|
|
|
|
|
|
|
|
|
if (INLINE_MMXEXT(cpu_flags))
|
|
|
|
|
cpucaps = "MMXEXT";
|
|
|
|
|
else if (INLINE_MMX(cpu_flags))
|
|
|
|
|
cpucaps = "MMX";
|
|
|
|
|
else if (PPC_ALTIVEC(cpu_flags))
|
|
|
|
|
cpucaps = "AltiVec";
|
|
|
|
|
else
|
|
|
|
|
cpucaps = "C";
|
|
|
|
|
|
|
|
|
|
av_log(c, AV_LOG_INFO, "using %s\n", cpucaps);
|
|
|
|
|
|
|
|
|
|
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ff_sws_init_scale(c);
|
|
|
|
|
|
|
|
|
|
return ff_init_filters(c);
|
|
|
|
|
nomem:
|
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
|
fail: // FIXME replace things by appropriate error codes
|
|
|
|
|
if (ret == RETCODE_USE_CASCADE) {
|
|
|
|
|
int tmpW = sqrt(srcW * (int64_t)dstW);
|
|
|
|
|
int tmpH = sqrt(srcH * (int64_t)dstH);
|
|
|
|
|
enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P;
|
|
|
|
|
|
|
|
|
|
if (isALPHA(srcFormat))
|
|
|
|
|
tmpFormat = AV_PIX_FMT_YUVA420P;
|
|
|
|
|
|
|
|
|
|
if (srcW*(int64_t)srcH <= 4LL*dstW*dstH)
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
|
|
|
|
|
ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
|
|
|
|
|
tmpW, tmpH, tmpFormat, 64);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
|
|
|
|
|
tmpW, tmpH, tmpFormat,
|
|
|
|
|
flags, srcFilter, NULL, c->param);
|
|
|
|
|
if (!c->cascaded_context[0])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat,
|
|
|
|
|
dstW, dstH, dstFormat,
|
|
|
|
|
flags, NULL, dstFilter, c->param);
|
|
|
|
|
if (!c->cascaded_context[1])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
return ret;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int context_init_threaded(SwsContext *c,
|
|
|
|
|
SwsFilter *src_filter, SwsFilter *dst_filter)
|
|
|
|
|
{
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
ret = avpriv_slicethread_create(&c->slicethread, (void*)c,
|
|
|
|
|
ff_sws_slice_worker, NULL, c->nb_threads);
|
|
|
|
|
if (ret == AVERROR(ENOSYS)) {
|
|
|
|
|
c->nb_threads = 1;
|
|
|
|
|
return 0;
|
|
|
|
|
} else if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->nb_threads = ret;
|
|
|
|
|
|
|
|
|
|
c->slice_ctx = av_calloc(c->nb_threads, sizeof(*c->slice_ctx));
|
|
|
|
|
c->slice_err = av_calloc(c->nb_threads, sizeof(*c->slice_err));
|
|
|
|
|
if (!c->slice_ctx || !c->slice_err)
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < c->nb_threads; i++) {
|
|
|
|
|
c->slice_ctx[i] = sws_alloc_context();
|
|
|
|
|
if (!c->slice_ctx[i])
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
c->slice_ctx[i]->parent = c;
|
|
|
|
|
|
|
|
|
|
ret = av_opt_copy((void*)c->slice_ctx[i], (void*)c);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->slice_ctx[i]->nb_threads = 1;
|
|
|
|
|
|
|
|
|
|
ret = sws_init_single_context(c->slice_ctx[i], src_filter, dst_filter);
|
|
|
|
|
if (ret < 0)
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
|
|
c->nb_slice_ctx++;
|
|
|
|
|
|
|
|
|
|
if (c->slice_ctx[i]->dither == SWS_DITHER_ED) {
|
|
|
|
|
av_log(c, AV_LOG_VERBOSE,
|
|
|
|
|
"Error-diffusion dither is in use, scaling will be single-threaded.");
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
|
|
|
|
|
SwsFilter *dstFilter)
|
|
|
|
|
{
|
|
|
|
|
static AVOnce rgb2rgb_once = AV_ONCE_INIT;
|
|
|
|
|
enum AVPixelFormat src_format, dst_format;
|
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
|
|
c->frame_src = av_frame_alloc();
|
|
|
|
|
c->frame_dst = av_frame_alloc();
|
|
|
|
|
if (!c->frame_src || !c->frame_dst)
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
|
|
if (ff_thread_once(&rgb2rgb_once, ff_sws_rgb2rgb_init) != 0)
|
|
|
|
|
return AVERROR_UNKNOWN;
|
|
|
|
|
|
|
|
|
|
src_format = c->srcFormat;
|
|
|
|
|
dst_format = c->dstFormat;
|
|
|
|
|
c->srcRange |= handle_jpeg(&c->srcFormat);
|
|
|
|
|
c->dstRange |= handle_jpeg(&c->dstFormat);
|
|
|
|
|
|
|
|
|
|
if (src_format != c->srcFormat || dst_format != c->dstFormat)
|
|
|
|
|
av_log(c, AV_LOG_WARNING, "deprecated pixel format used, make sure you did set range correctly\n");
|
|
|
|
|
|
|
|
|
|
if (c->nb_threads != 1) {
|
|
|
|
|
ret = context_init_threaded(c, srcFilter, dstFilter);
|
|
|
|
|
if (ret < 0 || c->nb_threads > 1)
|
|
|
|
|
return ret;
|
|
|
|
|
// threading disabled in this build, init as single-threaded
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return sws_init_single_context(c, srcFilter, dstFilter);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsContext *sws_alloc_set_opts(int srcW, int srcH, enum AVPixelFormat srcFormat,
|
|
|
|
|
int dstW, int dstH, enum AVPixelFormat dstFormat,
|
|
|
|
|
int flags, const double *param)
|
|
|
|
|
{
|
|
|
|
|
SwsContext *c;
|
|
|
|
|
|
|
|
|
|
if (!(c = sws_alloc_context()))
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
c->flags = flags;
|
|
|
|
|
c->srcW = srcW;
|
|
|
|
|
c->srcH = srcH;
|
|
|
|
|
c->dstW = dstW;
|
|
|
|
|
c->dstH = dstH;
|
|
|
|
|
c->srcFormat = srcFormat;
|
|
|
|
|
c->dstFormat = dstFormat;
|
|
|
|
|
|
|
|
|
|
if (param) {
|
|
|
|
|
c->param[0] = param[0];
|
|
|
|
|
c->param[1] = param[1];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
|
|
|
|
|
int dstW, int dstH, enum AVPixelFormat dstFormat,
|
|
|
|
|
int flags, SwsFilter *srcFilter,
|
|
|
|
|
SwsFilter *dstFilter, const double *param)
|
|
|
|
|
{
|
|
|
|
|
SwsContext *c;
|
|
|
|
|
|
|
|
|
|
c = sws_alloc_set_opts(srcW, srcH, srcFormat,
|
|
|
|
|
dstW, dstH, dstFormat,
|
|
|
|
|
flags, param);
|
|
|
|
|
if (!c)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
if (sws_init_context(c, srcFilter, dstFilter) < 0) {
|
|
|
|
|
sws_freeContext(c);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return c;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int isnan_vec(SwsVector *a)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i=0; i<a->length; i++)
|
|
|
|
|
if (isnan(a->coeff[i]))
|
|
|
|
|
return 1;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void makenan_vec(SwsVector *a)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
for (i=0; i<a->length; i++)
|
|
|
|
|
a->coeff[i] = NAN;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsVector *sws_allocVec(int length)
|
|
|
|
|
{
|
|
|
|
|
SwsVector *vec;
|
|
|
|
|
|
|
|
|
|
if(length <= 0 || length > INT_MAX/ sizeof(double))
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
vec = av_malloc(sizeof(SwsVector));
|
|
|
|
|
if (!vec)
|
|
|
|
|
return NULL;
|
|
|
|
|
vec->length = length;
|
|
|
|
|
vec->coeff = av_malloc(sizeof(double) * length);
|
|
|
|
|
if (!vec->coeff)
|
|
|
|
|
av_freep(&vec);
|
|
|
|
|
return vec;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsVector *sws_getGaussianVec(double variance, double quality)
|
|
|
|
|
{
|
|
|
|
|
const int length = (int)(variance * quality + 0.5) | 1;
|
|
|
|
|
int i;
|
|
|
|
|
double middle = (length - 1) * 0.5;
|
|
|
|
|
SwsVector *vec;
|
|
|
|
|
|
|
|
|
|
if(variance < 0 || quality < 0)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
vec = sws_allocVec(length);
|
|
|
|
|
|
|
|
|
|
if (!vec)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < length; i++) {
|
|
|
|
|
double dist = i - middle;
|
|
|
|
|
vec->coeff[i] = exp(-dist * dist / (2 * variance * variance)) /
|
|
|
|
|
sqrt(2 * variance * M_PI);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sws_normalizeVec(vec, 1.0);
|
|
|
|
|
|
|
|
|
|
return vec;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Allocate and return a vector with length coefficients, all
|
|
|
|
|
* with the same value c.
|
|
|
|
|
*/
|
|
|
|
|
static
|
|
|
|
|
SwsVector *sws_getConstVec(double c, int length)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
SwsVector *vec = sws_allocVec(length);
|
|
|
|
|
|
|
|
|
|
if (!vec)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < length; i++)
|
|
|
|
|
vec->coeff[i] = c;
|
|
|
|
|
|
|
|
|
|
return vec;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Allocate and return a vector with just one coefficient, with
|
|
|
|
|
* value 1.0.
|
|
|
|
|
*/
|
|
|
|
|
static
|
|
|
|
|
SwsVector *sws_getIdentityVec(void)
|
|
|
|
|
{
|
|
|
|
|
return sws_getConstVec(1.0, 1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static 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_sumVec(SwsVector *a, SwsVector *b)
|
|
|
|
|
{
|
|
|
|
|
int length = FFMAX(a->length, b->length);
|
|
|
|
|
int i;
|
|
|
|
|
SwsVector *vec = sws_getConstVec(0.0, length);
|
|
|
|
|
|
|
|
|
|
if (!vec)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < a->length; i++)
|
|
|
|
|
vec->coeff[i + (length - 1) / 2 - (a->length - 1) / 2] += a->coeff[i];
|
|
|
|
|
for (i = 0; i < b->length; i++)
|
|
|
|
|
vec->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;
|
|
|
|
|
int i;
|
|
|
|
|
SwsVector *vec = sws_getConstVec(0.0, length);
|
|
|
|
|
|
|
|
|
|
if (!vec)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < a->length; i++) {
|
|
|
|
|
vec->coeff[i + (length - 1) / 2 -
|
|
|
|
|
(a->length - 1) / 2 - shift] = a->coeff[i];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return vec;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static
|
|
|
|
|
void sws_shiftVec(SwsVector *a, int shift)
|
|
|
|
|
{
|
|
|
|
|
SwsVector *shifted = sws_getShiftedVec(a, shift);
|
|
|
|
|
if (!shifted) {
|
|
|
|
|
makenan_vec(a);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
av_free(a->coeff);
|
|
|
|
|
a->coeff = shifted->coeff;
|
|
|
|
|
a->length = shifted->length;
|
|
|
|
|
av_free(shifted);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static
|
|
|
|
|
void sws_addVec(SwsVector *a, SwsVector *b)
|
|
|
|
|
{
|
|
|
|
|
SwsVector *sum = sws_sumVec(a, b);
|
|
|
|
|
if (!sum) {
|
|
|
|
|
makenan_vec(a);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
av_free(a->coeff);
|
|
|
|
|
a->coeff = sum->coeff;
|
|
|
|
|
a->length = sum->length;
|
|
|
|
|
av_free(sum);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Print with av_log() a textual representation of the vector a
|
|
|
|
|
* if log_level <= av_log_level.
|
|
|
|
|
*/
|
|
|
|
|
static
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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;
|
|
|
|
|
|
|
|
|
|
sws_freeVec(filter->lumH);
|
|
|
|
|
sws_freeVec(filter->lumV);
|
|
|
|
|
sws_freeVec(filter->chrH);
|
|
|
|
|
sws_freeVec(filter->chrV);
|
|
|
|
|
av_free(filter);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
|
|
|
|
|
float lumaSharpen, float chromaSharpen,
|
|
|
|
|
float chromaHShift, float chromaVShift,
|
|
|
|
|
int verbose)
|
|
|
|
|
{
|
|
|
|
|
SwsFilter *filter = av_malloc(sizeof(SwsFilter));
|
|
|
|
|
if (!filter)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
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 (!filter->lumH || !filter->lumV || !filter->chrH || !filter->chrV)
|
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
|
|
if (chromaSharpen != 0.0) {
|
|
|
|
|
SwsVector *id = sws_getIdentityVec();
|
|
|
|
|
if (!id)
|
|
|
|
|
goto fail;
|
|
|
|
|
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();
|
|
|
|
|
if (!id)
|
|
|
|
|
goto fail;
|
|
|
|
|
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 (isnan_vec(filter->chrH) ||
|
|
|
|
|
isnan_vec(filter->chrV) ||
|
|
|
|
|
isnan_vec(filter->lumH) ||
|
|
|
|
|
isnan_vec(filter->lumV))
|
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
|
|
if (verbose)
|
|
|
|
|
sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG);
|
|
|
|
|
if (verbose)
|
|
|
|
|
sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG);
|
|
|
|
|
|
|
|
|
|
return filter;
|
|
|
|
|
|
|
|
|
|
fail:
|
|
|
|
|
sws_freeVec(filter->lumH);
|
|
|
|
|
sws_freeVec(filter->lumV);
|
|
|
|
|
sws_freeVec(filter->chrH);
|
|
|
|
|
sws_freeVec(filter->chrV);
|
|
|
|
|
av_freep(&filter);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void sws_freeContext(SwsContext *c)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
if (!c)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < c->nb_slice_ctx; i++)
|
|
|
|
|
sws_freeContext(c->slice_ctx[i]);
|
|
|
|
|
av_freep(&c->slice_ctx);
|
|
|
|
|
av_freep(&c->slice_err);
|
|
|
|
|
|
|
|
|
|
avpriv_slicethread_free(&c->slicethread);
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < 4; i++)
|
|
|
|
|
av_freep(&c->dither_error[i]);
|
|
|
|
|
|
|
|
|
|
av_frame_free(&c->frame_src);
|
|
|
|
|
av_frame_free(&c->frame_dst);
|
|
|
|
|
|
|
|
|
|
av_freep(&c->src_ranges.ranges);
|
|
|
|
|
|
|
|
|
|
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 HAVE_MMX_INLINE
|
|
|
|
|
#if USE_MMAP
|
|
|
|
|
if (c->lumMmxextFilterCode)
|
|
|
|
|
munmap(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize);
|
|
|
|
|
if (c->chrMmxextFilterCode)
|
|
|
|
|
munmap(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize);
|
|
|
|
|
#elif HAVE_VIRTUALALLOC
|
|
|
|
|
if (c->lumMmxextFilterCode)
|
|
|
|
|
VirtualFree(c->lumMmxextFilterCode, 0, MEM_RELEASE);
|
|
|
|
|
if (c->chrMmxextFilterCode)
|
|
|
|
|
VirtualFree(c->chrMmxextFilterCode, 0, MEM_RELEASE);
|
|
|
|
|
#else
|
|
|
|
|
av_free(c->lumMmxextFilterCode);
|
|
|
|
|
av_free(c->chrMmxextFilterCode);
|
|
|
|
|
#endif
|
|
|
|
|
c->lumMmxextFilterCode = NULL;
|
|
|
|
|
c->chrMmxextFilterCode = NULL;
|
|
|
|
|
#endif /* HAVE_MMX_INLINE */
|
|
|
|
|
|
|
|
|
|
av_freep(&c->yuvTable);
|
|
|
|
|
av_freep(&c->formatConvBuffer);
|
|
|
|
|
|
|
|
|
|
sws_freeContext(c->cascaded_context[0]);
|
|
|
|
|
sws_freeContext(c->cascaded_context[1]);
|
|
|
|
|
sws_freeContext(c->cascaded_context[2]);
|
|
|
|
|
memset(c->cascaded_context, 0, sizeof(c->cascaded_context));
|
|
|
|
|
av_freep(&c->cascaded_tmp[0]);
|
|
|
|
|
av_freep(&c->cascaded1_tmp[0]);
|
|
|
|
|
|
|
|
|
|
av_freep(&c->gamma);
|
|
|
|
|
av_freep(&c->inv_gamma);
|
|
|
|
|
|
|
|
|
|
av_freep(&c->rgb0_scratch);
|
|
|
|
|
av_freep(&c->xyz_scratch);
|
|
|
|
|
|
|
|
|
|
ff_free_filters(c);
|
|
|
|
|
|
|
|
|
|
av_free(c);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW,
|
|
|
|
|
int srcH, enum AVPixelFormat srcFormat,
|
|
|
|
|
int dstW, int dstH,
|
|
|
|
|
enum AVPixelFormat dstFormat, int flags,
|
|
|
|
|
SwsFilter *srcFilter,
|
|
|
|
|
SwsFilter *dstFilter,
|
|
|
|
|
const double *param)
|
|
|
|
|
{
|
|
|
|
|
static const double default_param[2] = { SWS_PARAM_DEFAULT,
|
|
|
|
|
SWS_PARAM_DEFAULT };
|
|
|
|
|
int64_t src_h_chr_pos = -513, dst_h_chr_pos = -513,
|
|
|
|
|
src_v_chr_pos = -513, dst_v_chr_pos = -513;
|
|
|
|
|
|
|
|
|
|
if (!param)
|
|
|
|
|
param = default_param;
|
|
|
|
|
|
|
|
|
|
if (context &&
|
|
|
|
|
(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])) {
|
|
|
|
|
|
|
|
|
|
av_opt_get_int(context, "src_h_chr_pos", 0, &src_h_chr_pos);
|
|
|
|
|
av_opt_get_int(context, "src_v_chr_pos", 0, &src_v_chr_pos);
|
|
|
|
|
av_opt_get_int(context, "dst_h_chr_pos", 0, &dst_h_chr_pos);
|
|
|
|
|
av_opt_get_int(context, "dst_v_chr_pos", 0, &dst_v_chr_pos);
|
|
|
|
|
sws_freeContext(context);
|
|
|
|
|
context = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!context) {
|
|
|
|
|
if (!(context = sws_alloc_context()))
|
|
|
|
|
return NULL;
|
|
|
|
|
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];
|
|
|
|
|
|
|
|
|
|
av_opt_set_int(context, "src_h_chr_pos", src_h_chr_pos, 0);
|
|
|
|
|
av_opt_set_int(context, "src_v_chr_pos", src_v_chr_pos, 0);
|
|
|
|
|
av_opt_set_int(context, "dst_h_chr_pos", dst_h_chr_pos, 0);
|
|
|
|
|
av_opt_set_int(context, "dst_v_chr_pos", dst_v_chr_pos, 0);
|
|
|
|
|
|
|
|
|
|
if (sws_init_context(context, srcFilter, dstFilter) < 0) {
|
|
|
|
|
sws_freeContext(context);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return context;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int ff_range_add(RangeList *rl, unsigned int start, unsigned int len)
|
|
|
|
|
{
|
|
|
|
|
Range *tmp;
|
|
|
|
|
unsigned int idx;
|
|
|
|
|
|
|
|
|
|
/* find the first existing range after the new one */
|
|
|
|
|
for (idx = 0; idx < rl->nb_ranges; idx++)
|
|
|
|
|
if (rl->ranges[idx].start > start)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* check for overlap */
|
|
|
|
|
if (idx > 0) {
|
|
|
|
|
Range *prev = &rl->ranges[idx - 1];
|
|
|
|
|
if (prev->start + prev->len > start)
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
if (idx < rl->nb_ranges) {
|
|
|
|
|
Range *next = &rl->ranges[idx];
|
|
|
|
|
if (start + len > next->start)
|
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
tmp = av_fast_realloc(rl->ranges, &rl->ranges_allocated,
|
|
|
|
|
(rl->nb_ranges + 1) * sizeof(*rl->ranges));
|
|
|
|
|
if (!tmp)
|
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
rl->ranges = tmp;
|
|
|
|
|
|
|
|
|
|
memmove(rl->ranges + idx + 1, rl->ranges + idx,
|
|
|
|
|
sizeof(*rl->ranges) * (rl->nb_ranges - idx));
|
|
|
|
|
rl->ranges[idx].start = start;
|
|
|
|
|
rl->ranges[idx].len = len;
|
|
|
|
|
rl->nb_ranges++;
|
|
|
|
|
|
|
|
|
|
/* merge ranges */
|
|
|
|
|
if (idx > 0) {
|
|
|
|
|
Range *prev = &rl->ranges[idx - 1];
|
|
|
|
|
Range *cur = &rl->ranges[idx];
|
|
|
|
|
if (prev->start + prev->len == cur->start) {
|
|
|
|
|
prev->len += cur->len;
|
|
|
|
|
memmove(rl->ranges + idx - 1, rl->ranges + idx,
|
|
|
|
|
sizeof(*rl->ranges) * (rl->nb_ranges - idx));
|
|
|
|
|
rl->nb_ranges--;
|
|
|
|
|
idx--;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (idx < rl->nb_ranges - 1) {
|
|
|
|
|
Range *cur = &rl->ranges[idx];
|
|
|
|
|
Range *next = &rl->ranges[idx + 1];
|
|
|
|
|
if (cur->start + cur->len == next->start) {
|
|
|
|
|
cur->len += next->len;
|
|
|
|
|
memmove(rl->ranges + idx, rl->ranges + idx + 1,
|
|
|
|
|
sizeof(*rl->ranges) * (rl->nb_ranges - idx - 1));
|
|
|
|
|
rl->nb_ranges--;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
