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	807e0c6645
	
	
	
		
			
			All the authours of such code agreed. Originally committed as revision 21045 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
		
			
				
	
	
		
			227 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			227 lines
		
	
	
		
			6.9 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 St, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #ifndef SWSCALE_INTERNAL_H
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| #define SWSCALE_INTERNAL_H
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| 
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| #ifdef HAVE_ALTIVEC_H
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| #include <altivec.h>
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| #endif
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| 
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| #include "avutil.h"
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| 
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| #ifdef CONFIG_DARWIN
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| #define AVV(x...) (x)
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| #else
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| #define AVV(x...) {x}
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| #endif
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| 
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| #define MSG_WARN(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
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| #define MSG_FATAL(args...) av_log(NULL, AV_LOG_ERROR, ##args )
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| #define MSG_ERR(args...) av_log(NULL, AV_LOG_ERROR, ##args )
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| #define MSG_V(args...) av_log(NULL, AV_LOG_INFO, ##args )
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| #define MSG_DBG2(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
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| #define MSG_INFO(args...) av_log(NULL, AV_LOG_INFO, ##args )
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| 
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| #define MAX_FILTER_SIZE 256
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| 
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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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| 
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| /* this struct should be aligned on at least 32-byte boundary */
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| typedef struct SwsContext{
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| 	/**
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| 	 *
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| 	 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be 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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| 	int dstFormat, srcFormat;               ///< format 4:2:0 type is allways 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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| 
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| 	int16_t **lumPixBuf;
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| 	int16_t **chrPixBuf;
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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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| 
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| 	uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
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| 
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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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| 
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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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| 
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| 	int canMMX2BeUsed;
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| 
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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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| 	void * table_rV[256];
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| 	void * table_gU[256];
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| 	int    table_gV[256];
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| 	void * table_bU[256];
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| 
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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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| 
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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, its 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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| 
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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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| 
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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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| 
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| #ifdef HAVE_ALTIVEC
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| 
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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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| 
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| #endif
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| 
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| } SwsContext;
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| //FIXME check init (where 0)
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| 
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| SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
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| int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
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| 
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| char *sws_format_name(int format);
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| 
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| //FIXME replace this with something faster
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| #define isPlanarYUV(x) ((x)==PIX_FMT_YUV410P || (x)==PIX_FMT_YUV420P	\
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| 			|| (x)==PIX_FMT_YUV411P || (x)==PIX_FMT_YUV422P	\
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| 			|| (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_NV12	\
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| 			|| (x)==PIX_FMT_NV21)
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| #define isYUV(x)       ((x)==PIX_FMT_UYVY422 || (x)==PIX_FMT_YUYV422 || isPlanarYUV(x))
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| #define isGray(x)      ((x)==PIX_FMT_GRAY8 || (x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
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| #define isGray16(x)    ((x)==PIX_FMT_GRAY16BE || (x)==PIX_FMT_GRAY16LE)
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| #define isRGB(x)       ((x)==PIX_FMT_BGR32 || (x)==PIX_FMT_RGB24	\
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| 			|| (x)==PIX_FMT_RGB565 || (x)==PIX_FMT_RGB555	\
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| 			|| (x)==PIX_FMT_RGB8 || (x)==PIX_FMT_RGB4	\
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| 			|| (x)==PIX_FMT_MONOBLACK)
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| #define isBGR(x)       ((x)==PIX_FMT_RGB32 || (x)==PIX_FMT_BGR24	\
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| 			|| (x)==PIX_FMT_BGR565 || (x)==PIX_FMT_BGR555	\
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| 			|| (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_BGR4	\
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| 			|| (x)==PIX_FMT_MONOBLACK)
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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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|             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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| 
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| #endif
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