mirror of https://github.com/mpv-player/mpv
387 lines
13 KiB
C
387 lines
13 KiB
C
/*
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* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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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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#ifndef SWSCALE_SWSCALE_INTERNAL_H
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#define SWSCALE_SWSCALE_INTERNAL_H
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#include "config.h"
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#if HAVE_ALTIVEC_H
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#include <altivec.h>
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#endif
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#include "libavutil/avutil.h"
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#define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
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#define MAX_FILTER_SIZE 256
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#define VOFW 2048
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#define VOF (VOFW*2)
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#ifdef WORDS_BIGENDIAN
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#define ALT32_CORR (-1)
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#else
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#define ALT32_CORR 1
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#endif
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#if ARCH_X86_64
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# define APCK_PTR2 8
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# define APCK_COEF 16
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# define APCK_SIZE 24
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#else
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# define APCK_PTR2 4
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# define APCK_COEF 8
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# define APCK_SIZE 16
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#endif
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struct SwsContext;
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typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
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int srcSliceH, uint8_t* dst[], int dstStride[]);
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/* This struct should be aligned on at least a 32-byte boundary. */
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typedef struct SwsContext{
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/**
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* info on struct for av_log
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*/
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const AVClass *av_class;
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/**
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* Note that src, dst, srcStride, dstStride will be copied in the
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* sws_scale() wrapper so they can be freely modified here.
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*/
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SwsFunc swScale;
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int srcW, srcH, dstH;
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int chrSrcW, chrSrcH, chrDstW, chrDstH;
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int lumXInc, chrXInc;
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int lumYInc, chrYInc;
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enum PixelFormat dstFormat, srcFormat; ///< format 4:2:0 type is always YV12
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int origDstFormat, origSrcFormat; ///< format
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int chrSrcHSubSample, chrSrcVSubSample;
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int chrIntHSubSample, chrIntVSubSample;
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int chrDstHSubSample, chrDstVSubSample;
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int vChrDrop;
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int sliceDir;
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double param[2];
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uint32_t pal_yuv[256];
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uint32_t pal_rgb[256];
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int16_t **lumPixBuf;
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int16_t **chrPixBuf;
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int16_t **alpPixBuf;
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int16_t *hLumFilter;
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int16_t *hLumFilterPos;
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int16_t *hChrFilter;
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int16_t *hChrFilterPos;
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int16_t *vLumFilter;
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int16_t *vLumFilterPos;
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int16_t *vChrFilter;
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int16_t *vChrFilterPos;
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uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
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int hLumFilterSize;
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int hChrFilterSize;
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int vLumFilterSize;
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int vChrFilterSize;
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int vLumBufSize;
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int vChrBufSize;
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uint8_t *funnyYCode;
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uint8_t *funnyUVCode;
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int32_t *lumMmx2FilterPos;
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int32_t *chrMmx2FilterPos;
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int16_t *lumMmx2Filter;
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int16_t *chrMmx2Filter;
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int canMMX2BeUsed;
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int lastInLumBuf;
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int lastInChrBuf;
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int lumBufIndex;
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int chrBufIndex;
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int dstY;
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int flags;
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void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
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uint8_t * table_rV[256];
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uint8_t * table_gU[256];
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int table_gV[256];
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uint8_t * table_bU[256];
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//Colorspace stuff
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int contrast, brightness, saturation; // for sws_getColorspaceDetails
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int srcColorspaceTable[4];
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int dstColorspaceTable[4];
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int srcRange, dstRange;
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int yuv2rgb_y_offset;
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int yuv2rgb_y_coeff;
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int yuv2rgb_v2r_coeff;
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int yuv2rgb_v2g_coeff;
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int yuv2rgb_u2g_coeff;
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int yuv2rgb_u2b_coeff;
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#define RED_DITHER "0*8"
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#define GREEN_DITHER "1*8"
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#define BLUE_DITHER "2*8"
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#define Y_COEFF "3*8"
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#define VR_COEFF "4*8"
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#define UB_COEFF "5*8"
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#define VG_COEFF "6*8"
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#define UG_COEFF "7*8"
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#define Y_OFFSET "8*8"
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#define U_OFFSET "9*8"
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#define V_OFFSET "10*8"
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#define LUM_MMX_FILTER_OFFSET "11*8"
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#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
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#define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
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#define ESP_OFFSET "11*8+4*4*256*2+8"
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#define VROUNDER_OFFSET "11*8+4*4*256*2+16"
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#define U_TEMP "11*8+4*4*256*2+24"
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#define V_TEMP "11*8+4*4*256*2+32"
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#define Y_TEMP "11*8+4*4*256*2+40"
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#define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
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uint64_t redDither __attribute__((aligned(8)));
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uint64_t greenDither __attribute__((aligned(8)));
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uint64_t blueDither __attribute__((aligned(8)));
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uint64_t yCoeff __attribute__((aligned(8)));
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uint64_t vrCoeff __attribute__((aligned(8)));
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uint64_t ubCoeff __attribute__((aligned(8)));
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uint64_t vgCoeff __attribute__((aligned(8)));
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uint64_t ugCoeff __attribute__((aligned(8)));
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uint64_t yOffset __attribute__((aligned(8)));
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uint64_t uOffset __attribute__((aligned(8)));
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uint64_t vOffset __attribute__((aligned(8)));
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int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
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int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
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int dstW;
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uint64_t esp __attribute__((aligned(8)));
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uint64_t vRounder __attribute__((aligned(8)));
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uint64_t u_temp __attribute__((aligned(8)));
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uint64_t v_temp __attribute__((aligned(8)));
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uint64_t y_temp __attribute__((aligned(8)));
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int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
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#if HAVE_ALTIVEC
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vector signed short CY;
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vector signed short CRV;
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vector signed short CBU;
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vector signed short CGU;
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vector signed short CGV;
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vector signed short OY;
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vector unsigned short CSHIFT;
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vector signed short *vYCoeffsBank, *vCCoeffsBank;
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#endif
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#if ARCH_BFIN
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uint32_t oy __attribute__((aligned(4)));
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uint32_t oc __attribute__((aligned(4)));
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uint32_t zero __attribute__((aligned(4)));
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uint32_t cy __attribute__((aligned(4)));
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uint32_t crv __attribute__((aligned(4)));
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uint32_t rmask __attribute__((aligned(4)));
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uint32_t cbu __attribute__((aligned(4)));
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uint32_t bmask __attribute__((aligned(4)));
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uint32_t cgu __attribute__((aligned(4)));
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uint32_t cgv __attribute__((aligned(4)));
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uint32_t gmask __attribute__((aligned(4)));
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#endif
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#if HAVE_VIS
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uint64_t sparc_coeffs[10] __attribute__((aligned(8)));
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#endif
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/* function pointers for swScale() */
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void (*yuv2nv12X )(struct SwsContext *c,
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const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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uint8_t *dest, uint8_t *uDest,
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int dstW, int chrDstW, int dstFormat);
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void (*yuv2yuv1 )(struct SwsContext *c,
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const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
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uint8_t *dest,
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uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
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long dstW, long chrDstW);
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void (*yuv2yuvX )(struct SwsContext *c,
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const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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const int16_t **alpSrc,
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uint8_t *dest,
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uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
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long dstW, long chrDstW);
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void (*yuv2packed1)(struct SwsContext *c,
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const uint16_t *buf0,
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const uint16_t *uvbuf0, const uint16_t *uvbuf1,
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const uint16_t *abuf0,
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uint8_t *dest,
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int dstW, int uvalpha, int dstFormat, int flags, int y);
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void (*yuv2packed2)(struct SwsContext *c,
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const uint16_t *buf0, const uint16_t *buf1,
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const uint16_t *uvbuf0, const uint16_t *uvbuf1,
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const uint16_t *abuf0, const uint16_t *abuf1,
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uint8_t *dest,
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int dstW, int yalpha, int uvalpha, int y);
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void (*yuv2packedX)(struct SwsContext *c,
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const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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const int16_t **alpSrc, uint8_t *dest,
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long dstW, long dstY);
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void (*hyscale_internal)(uint8_t *dst, const uint8_t *src,
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long width, uint32_t *pal);
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void (*hcscale_internal)(uint8_t *dstU, uint8_t *dstV,
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const uint8_t *src1, const uint8_t *src2,
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long width, uint32_t *pal);
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void (*hyscale_fast)(struct SwsContext *c,
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int16_t *dst, int dstWidth,
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const uint8_t *src, int srcW, int xInc);
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void (*hcscale_fast)(struct SwsContext *c,
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int16_t *dst, int dstWidth,
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const uint8_t *src1, const uint8_t *src2, int srcW, int xInc);
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void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
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int xInc, const int16_t *filter, const int16_t *filterPos, long filterSize);
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} SwsContext;
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//FIXME check init (where 0)
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SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
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int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
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void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation);
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SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c);
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SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
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SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c);
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SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
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SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
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void ff_bfin_get_unscaled_swscale(SwsContext *c);
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void ff_yuv2packedX_altivec(SwsContext *c,
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int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
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int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
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uint8_t *dest, int dstW, int dstY);
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const char *sws_format_name(int format);
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//FIXME replace this with something faster
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#define isPlanarYUV(x) ( \
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(x)==PIX_FMT_YUV410P \
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|| (x)==PIX_FMT_YUV420P \
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|| (x)==PIX_FMT_YUVA420P \
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|| (x)==PIX_FMT_YUV411P \
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|| (x)==PIX_FMT_YUV422P \
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|| (x)==PIX_FMT_YUV444P \
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|| (x)==PIX_FMT_YUV440P \
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|| (x)==PIX_FMT_NV12 \
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|| (x)==PIX_FMT_NV21 \
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)
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#define isYUV(x) ( \
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(x)==PIX_FMT_UYVY422 \
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|| (x)==PIX_FMT_YUYV422 \
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|| isPlanarYUV(x) \
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)
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#define isGray(x) ( \
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(x)==PIX_FMT_GRAY8 \
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|| (x)==PIX_FMT_GRAY16BE \
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|| (x)==PIX_FMT_GRAY16LE \
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)
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#define isGray16(x) ( \
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(x)==PIX_FMT_GRAY16BE \
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|| (x)==PIX_FMT_GRAY16LE \
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)
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#define isRGB(x) ( \
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(x)==PIX_FMT_RGB32 \
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|| (x)==PIX_FMT_RGB32_1 \
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|| (x)==PIX_FMT_RGB24 \
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|| (x)==PIX_FMT_RGB565 \
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|| (x)==PIX_FMT_RGB555 \
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|| (x)==PIX_FMT_RGB8 \
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|| (x)==PIX_FMT_RGB4 \
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|| (x)==PIX_FMT_RGB4_BYTE \
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|| (x)==PIX_FMT_MONOBLACK \
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|| (x)==PIX_FMT_MONOWHITE \
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)
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#define isBGR(x) ( \
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(x)==PIX_FMT_BGR32 \
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|| (x)==PIX_FMT_BGR32_1 \
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|| (x)==PIX_FMT_BGR24 \
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|| (x)==PIX_FMT_BGR565 \
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|| (x)==PIX_FMT_BGR555 \
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|| (x)==PIX_FMT_BGR8 \
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|| (x)==PIX_FMT_BGR4 \
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|| (x)==PIX_FMT_BGR4_BYTE \
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|| (x)==PIX_FMT_MONOBLACK \
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|| (x)==PIX_FMT_MONOWHITE \
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)
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#define isALPHA(x) ( \
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(x)==PIX_FMT_BGR32 \
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|| (x)==PIX_FMT_BGR32_1 \
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|| (x)==PIX_FMT_RGB32 \
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|| (x)==PIX_FMT_RGB32_1 \
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|| (x)==PIX_FMT_YUVA420P \
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)
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static inline int fmt_depth(int fmt)
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{
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switch(fmt) {
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case PIX_FMT_BGRA:
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case PIX_FMT_ABGR:
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case PIX_FMT_RGBA:
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case PIX_FMT_ARGB:
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return 32;
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case PIX_FMT_BGR24:
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case PIX_FMT_RGB24:
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return 24;
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case PIX_FMT_BGR565:
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case PIX_FMT_RGB565:
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case PIX_FMT_GRAY16BE:
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case PIX_FMT_GRAY16LE:
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return 16;
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case PIX_FMT_BGR555:
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case PIX_FMT_RGB555:
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return 15;
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case PIX_FMT_BGR8:
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case PIX_FMT_RGB8:
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return 8;
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case PIX_FMT_BGR4:
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case PIX_FMT_RGB4:
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case PIX_FMT_BGR4_BYTE:
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case PIX_FMT_RGB4_BYTE:
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return 4;
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case PIX_FMT_MONOBLACK:
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case PIX_FMT_MONOWHITE:
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return 1;
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default:
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return 0;
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}
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}
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extern const uint64_t ff_dither4[2];
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extern const uint64_t ff_dither8[2];
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extern const AVClass sws_context_class;
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#endif /* SWSCALE_SWSCALE_INTERNAL_H */
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