308 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			308 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 Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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 <inttypes.h>
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#include "config.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/x86_cpu.h"
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#include "libavutil/cpu.h"
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#include "libavutil/pixdesc.h"
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DECLARE_ASM_CONST(8, uint64_t, bF8)=       0xF8F8F8F8F8F8F8F8LL;
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DECLARE_ASM_CONST(8, uint64_t, bFC)=       0xFCFCFCFCFCFCFCFCLL;
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DECLARE_ASM_CONST(8, uint64_t, w10)=       0x0010001000100010LL;
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DECLARE_ASM_CONST(8, uint64_t, w02)=       0x0002000200020002LL;
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DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
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DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
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DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
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const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
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    0x0103010301030103LL,
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    0x0200020002000200LL,};
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const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
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    0x0602060206020602LL,
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    0x0004000400040004LL,};
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DECLARE_ASM_CONST(8, uint64_t, b16Mask)=   0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g16Mask)=   0x07E007E007E007E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r16Mask)=   0xF800F800F800F800LL;
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DECLARE_ASM_CONST(8, uint64_t, b15Mask)=   0x001F001F001F001FLL;
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DECLARE_ASM_CONST(8, uint64_t, g15Mask)=   0x03E003E003E003E0LL;
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DECLARE_ASM_CONST(8, uint64_t, r15Mask)=   0x7C007C007C007C00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24A)         = 0x00FF0000FF0000FFLL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24B)         = 0xFF0000FF0000FF00LL;
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DECLARE_ALIGNED(8, const uint64_t, ff_M24C)         = 0x0000FF0000FF0000LL;
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#ifdef FAST_BGR2YV12
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000000210041000DULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000FFEEFFDC0038ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00000038FFD2FFF8ULL;
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#else
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff)   = 0x000020E540830C8BULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff)   = 0x0000ED0FDAC23831ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff)   = 0x00003831D0E6F6EAULL;
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#endif /* FAST_BGR2YV12 */
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset)  = 0x1010101010101010ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
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DECLARE_ALIGNED(8, const uint64_t, ff_w1111)        = 0x0001000100010001ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL;
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
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    {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
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    {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
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};
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DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
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//MMX versions
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#if HAVE_MMX
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#undef RENAME
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#define COMPILE_TEMPLATE_MMX2 0
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#define RENAME(a) a ## _MMX
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#include "swscale_template.c"
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#endif
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//MMX2 versions
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#if HAVE_MMX2
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#undef RENAME
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#undef COMPILE_TEMPLATE_MMX2
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#define COMPILE_TEMPLATE_MMX2 1
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#define RENAME(a) a ## _MMX2
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#include "swscale_template.c"
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#endif
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void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
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                           int lastInLumBuf, int lastInChrBuf)
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{
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    const int dstH= c->dstH;
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    const int flags= c->flags;
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    int16_t **lumPixBuf= c->lumPixBuf;
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    int16_t **chrUPixBuf= c->chrUPixBuf;
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    int16_t **alpPixBuf= c->alpPixBuf;
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    const int vLumBufSize= c->vLumBufSize;
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    const int vChrBufSize= c->vChrBufSize;
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    int16_t *vLumFilterPos= c->vLumFilterPos;
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    int16_t *vChrFilterPos= c->vChrFilterPos;
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    int16_t *vLumFilter= c->vLumFilter;
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    int16_t *vChrFilter= c->vChrFilter;
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    int32_t *lumMmxFilter= c->lumMmxFilter;
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    int32_t *chrMmxFilter= c->chrMmxFilter;
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    int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
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    const int vLumFilterSize= c->vLumFilterSize;
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    const int vChrFilterSize= c->vChrFilterSize;
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    const int chrDstY= dstY>>c->chrDstVSubSample;
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    const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
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    const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
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    c->blueDither= ff_dither8[dstY&1];
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    if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
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        c->greenDither= ff_dither8[dstY&1];
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    else
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        c->greenDither= ff_dither4[dstY&1];
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    c->redDither= ff_dither8[(dstY+1)&1];
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    if (dstY < dstH - 2) {
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        const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
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        const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
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        const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
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        int i;
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        if (flags & SWS_ACCURATE_RND) {
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            int s= APCK_SIZE / 8;
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            for (i=0; i<vLumFilterSize; i+=2) {
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                *(const void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
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                *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
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                lumMmxFilter[s*i+APCK_COEF/4  ]=
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                lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
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                + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
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                if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
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                    *(const void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
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                    *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
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                    alpMmxFilter[s*i+APCK_COEF/4  ]=
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                    alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
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                }
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            }
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            for (i=0; i<vChrFilterSize; i+=2) {
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                *(const void**)&chrMmxFilter[s*i              ]= chrUSrcPtr[i  ];
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                *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrUSrcPtr[i+(vChrFilterSize>1)];
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                chrMmxFilter[s*i+APCK_COEF/4  ]=
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                chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
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                + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
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            }
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        } else {
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            for (i=0; i<vLumFilterSize; i++) {
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                *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
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                lumMmxFilter[4*i+2]=
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                lumMmxFilter[4*i+3]=
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                ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
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                if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
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                    *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
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                    alpMmxFilter[4*i+2]=
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                    alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
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                }
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            }
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            for (i=0; i<vChrFilterSize; i++) {
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                *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
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                chrMmxFilter[4*i+2]=
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                chrMmxFilter[4*i+3]=
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                ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
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            }
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        }
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    }
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}
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#define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
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extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
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                                                SwsContext *c, int16_t *data, \
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                                                int dstW, const uint8_t *src, \
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                                                const int16_t *filter, \
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                                                const int16_t *filterPos, int filterSize);
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#define SCALE_FUNCS(filter_n, opt) \
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    SCALE_FUNC(filter_n,  8, 15, opt); \
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    SCALE_FUNC(filter_n,  9, 15, opt); \
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    SCALE_FUNC(filter_n, 10, 15, opt); \
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    SCALE_FUNC(filter_n, 16, 15, opt); \
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    SCALE_FUNC(filter_n,  8, 19, opt); \
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    SCALE_FUNC(filter_n,  9, 19, opt); \
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    SCALE_FUNC(filter_n, 10, 19, opt); \
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    SCALE_FUNC(filter_n, 16, 19, opt)
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#define SCALE_FUNCS_MMX(opt) \
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    SCALE_FUNCS(4, opt); \
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    SCALE_FUNCS(8, opt); \
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    SCALE_FUNCS(X, opt)
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#define SCALE_FUNCS_SSE(opt) \
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    SCALE_FUNCS(4, opt); \
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    SCALE_FUNCS(8, opt); \
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    SCALE_FUNCS(X4, opt); \
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    SCALE_FUNCS(X8, opt)
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#if ARCH_X86_32
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SCALE_FUNCS_MMX(mmx);
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#endif
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SCALE_FUNCS_SSE(sse2);
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SCALE_FUNCS_SSE(ssse3);
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SCALE_FUNCS_SSE(sse4);
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#define VSCALEX_FUNC(size, opt) \
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extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
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                                               const int16_t **src, uint8_t *dest, int dstW, \
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                                               const uint8_t *dither, int offset)
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#define VSCALEX_FUNCS(opt1, opt2) \
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    VSCALEX_FUNC(8,  opt1); \
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    VSCALEX_FUNC(9,  opt2); \
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    VSCALEX_FUNC(10, opt2)
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#if ARCH_X86_32
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VSCALEX_FUNCS(mmx,  mmx2);
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#endif
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VSCALEX_FUNCS(sse2, sse2);
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VSCALEX_FUNCS(sse4, sse4);
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VSCALEX_FUNC(16, sse4);
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VSCALEX_FUNCS(avx,  avx);
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void ff_sws_init_swScale_mmx(SwsContext *c)
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{
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    int cpu_flags = av_get_cpu_flags();
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    if (cpu_flags & AV_CPU_FLAG_MMX)
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        sws_init_swScale_MMX(c);
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#if HAVE_MMX2
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    if (cpu_flags & AV_CPU_FLAG_MMX2)
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        sws_init_swScale_MMX2(c);
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#endif
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#if HAVE_YASM
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#define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
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    if (c->srcBpc == 8) { \
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        hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
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                                     ff_hscale8to19_ ## filtersize ## _ ## opt1; \
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    } else if (c->srcBpc == 9) { \
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        hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
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                                     ff_hscale9to19_ ## filtersize ## _ ## opt1; \
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    } else if (c->srcBpc == 10) { \
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        hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
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                                     ff_hscale10to19_ ## filtersize ## _ ## opt1; \
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    } else /* c->srcBpc == 16 */ { \
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        hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
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                                     ff_hscale16to19_ ## filtersize ## _ ## opt1; \
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    } \
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} while (0)
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#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
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    switch (filtersize) { \
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    case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
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    case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
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    default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
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    }
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#define ASSIGN_VSCALEX_FUNC(vscalefn, opt1, opt2, opt2chk, do_16_case) \
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switch(c->dstBpc){ \
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    case 16:                                     do_16_case;                           break; \
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    case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2planeX_10_ ## opt2; break; \
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    case 9:  if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2planeX_9_  ## opt2; break; \
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    default:                                     vscalefn = ff_yuv2planeX_8_  ## opt1; break; \
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    }
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#if ARCH_X86_32
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    if (cpu_flags & AV_CPU_FLAG_MMX) {
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        ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
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        ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
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        ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx, mmx2, cpu_flags & AV_CPU_FLAG_MMX2,);
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    }
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#endif
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#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
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    switch (filtersize) { \
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    case 4:  ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
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    case 8:  ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
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    default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
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             else                ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
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             break; \
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    }
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    if (cpu_flags & AV_CPU_FLAG_SSE2) {
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        ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
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        ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
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        ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, sse2, 1,);
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    }
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    if (cpu_flags & AV_CPU_FLAG_SSSE3) {
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        ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
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        ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
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    }
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    if (cpu_flags & AV_CPU_FLAG_SSE4) {
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        /* Xto15 don't need special sse4 functions */
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        ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
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        ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
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        ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4, sse4, 1,
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                            if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4);
 | 
						|
    }
 | 
						|
 | 
						|
    if (cpu_flags & AV_CPU_FLAG_AVX) {
 | 
						|
        ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, avx, 1,);
 | 
						|
    }
 | 
						|
#endif
 | 
						|
}
 |