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	1a18eaf760
	
	
	
		
			
			Originally committed as revision 23508 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
		
			
				
	
	
		
			894 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			894 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * yuv2rgb.c, Software YUV to RGB coverter
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|  *
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|  *  Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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|  *  All Rights Reserved.
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|  *
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|  *  Functions broken out from display_x11.c and several new modes
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|  *  added by Håkan Hjort <d95hjort@dtek.chalmers.se>
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|  *
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|  *  15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
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|  *
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|  *  This file is part of mpeg2dec, a free MPEG-2 video decoder
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|  *
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|  *  mpeg2dec is free software; you can redistribute it and/or modify
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|  *  it under the terms of the GNU General Public License as published by
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|  *  the Free Software Foundation; either version 2, or (at your option)
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|  *  any later version.
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|  *
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|  *  mpeg2dec is distributed in the hope that it will be useful,
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|  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  *  GNU General Public License for more details.
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|  *
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|  *  You should have received a copy of the GNU General Public License
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|  *  along with mpeg2dec; 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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|  * MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
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|  * 1,4,8bpp support by Michael Niedermayer (michaelni@gmx.at)
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|  * context / deglobalize stuff by Michael Niedermayer
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|  */
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| 
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <inttypes.h>
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| #include <assert.h>
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| 
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| #include "config.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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| 
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| #ifdef HAVE_MLIB
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| #include "yuv2rgb_mlib.c"
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| #endif
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| 
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| #define DITHER1XBPP // only for mmx
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| 
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| const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
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| {  1,   3,   1,   3,   1,   3,   1,   3, },
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| {  2,   0,   2,   0,   2,   0,   2,   0, },
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| };
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| 
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| const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={
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| {  6,   2,   6,   2,   6,   2,   6,   2, },
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| {  0,   4,   0,   4,   0,   4,   0,   4, },
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| };
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| 
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
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| { 17,   9,  23,  15,  16,   8,  22,  14, },
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| {  5,  29,   3,  27,   4,  28,   2,  26, },
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| { 21,  13,  19,  11,  20,  12,  18,  10, },
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| {  0,  24,   6,  30,   1,  25,   7,  31, },
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| { 16,   8,  22,  14,  17,   9,  23,  15, },
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| {  4,  28,   2,  26,   5,  29,   3,  27, },
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| { 20,  12,  18,  10,  21,  13,  19,  11, },
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| {  1,  25,   7,  31,   0,  24,   6,  30, },
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| };
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| 
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| #if 0
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
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| {  0,  48,  12,  60,   3,  51,  15,  63, },
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| { 32,  16,  44,  28,  35,  19,  47,  31, },
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| {  8,  56,   4,  52,  11,  59,   7,  55, },
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| { 40,  24,  36,  20,  43,  27,  39,  23, },
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| {  2,  50,  14,  62,   1,  49,  13,  61, },
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| { 34,  18,  46,  30,  33,  17,  45,  29, },
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| { 10,  58,   6,  54,   9,  57,   5,  53, },
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| { 42,  26,  38,  22,  41,  25,  37,  21, },
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| };
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| #endif
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| 
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
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| {  0,  55,  14,  68,   3,  58,  17,  72, },
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| { 37,  18,  50,  32,  40,  22,  54,  35, },
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| {  9,  64,   5,  59,  13,  67,   8,  63, },
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| { 46,  27,  41,  23,  49,  31,  44,  26, },
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| {  2,  57,  16,  71,   1,  56,  15,  70, },
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| { 39,  21,  52,  34,  38,  19,  51,  33, },
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| { 11,  66,   7,  62,  10,  65,   6,  60, },
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| { 48,  30,  43,  25,  47,  29,  42,  24, },
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| };
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| 
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| #if 0
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={
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| { 68,  36,  92,  60,  66,  34,  90,  58, },
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| { 20, 116,  12, 108,  18, 114,  10, 106, },
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| { 84,  52,  76,  44,  82,  50,  74,  42, },
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| {  0,  96,  24, 120,   6, 102,  30, 126, },
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| { 64,  32,  88,  56,  70,  38,  94,  62, },
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| { 16, 112,   8, 104,  22, 118,  14, 110, },
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| { 80,  48,  72,  40,  86,  54,  78,  46, },
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| {  4, 100,  28, 124,   2,  98,  26, 122, },
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| };
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| #endif
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| 
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| #if 1
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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| {117,  62, 158, 103, 113,  58, 155, 100, },
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| { 34, 199,  21, 186,  31, 196,  17, 182, },
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| {144,  89, 131,  76, 141,  86, 127,  72, },
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| {  0, 165,  41, 206,  10, 175,  52, 217, },
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| {110,  55, 151,  96, 120,  65, 162, 107, },
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| { 28, 193,  14, 179,  38, 203,  24, 189, },
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| {138,  83, 124,  69, 148,  93, 134,  79, },
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| {  7, 172,  48, 213,   3, 168,  45, 210, },
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| };
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| #elif 1
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| // tries to correct a gamma of 1.5
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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| {  0, 143,  18, 200,   2, 156,  25, 215, },
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| { 78,  28, 125,  64,  89,  36, 138,  74, },
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| { 10, 180,   3, 161,  16, 195,   8, 175, },
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| {109,  51,  93,  38, 121,  60, 105,  47, },
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| {  1, 152,  23, 210,   0, 147,  20, 205, },
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| { 85,  33, 134,  71,  81,  30, 130,  67, },
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| { 14, 190,   6, 171,  12, 185,   5, 166, },
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| {117,  57, 101,  44, 113,  54,  97,  41, },
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| };
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| #elif 1
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| // tries to correct a gamma of 2.0
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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| {  0, 124,   8, 193,   0, 140,  12, 213, },
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| { 55,  14, 104,  42,  66,  19, 119,  52, },
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| {  3, 168,   1, 145,   6, 187,   3, 162, },
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| { 86,  31,  70,  21,  99,  39,  82,  28, },
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| {  0, 134,  11, 206,   0, 129,   9, 200, },
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| { 62,  17, 114,  48,  58,  16, 109,  45, },
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| {  5, 181,   2, 157,   4, 175,   1, 151, },
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| { 95,  36,  78,  26,  90,  34,  74,  24, },
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| };
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| #else
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| // tries to correct a gamma of 2.5
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| const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
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| {  0, 107,   3, 187,   0, 125,   6, 212, },
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| { 39,   7,  86,  28,  49,  11, 102,  36, },
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| {  1, 158,   0, 131,   3, 180,   1, 151, },
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| { 68,  19,  52,  12,  81,  25,  64,  17, },
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| {  0, 119,   5, 203,   0, 113,   4, 195, },
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| { 45,   9,  96,  33,  42,   8,  91,  30, },
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| {  2, 172,   1, 144,   2, 165,   0, 137, },
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| { 77,  23,  60,  15,  72,  21,  56,  14, },
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| };
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| #endif
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| 
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| #ifdef HAVE_MMX
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| 
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| /* hope these constant values are cache line aligned */
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| static uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw   = 0x00ff00ff00ff00ffULL;
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| static uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
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| static uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
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| 
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| static uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;
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| static uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;
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| static uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;
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| 
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| // the volatile is required because gcc otherwise optimizes some writes away not knowing that these
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| // are read in the asm block
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| static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
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| static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
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| static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
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| static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
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| 
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| static uint64_t __attribute__((aligned(8))) dither4[2]={
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|     0x0103010301030103LL,
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|     0x0200020002000200LL,};
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| 
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| static uint64_t __attribute__((aligned(8))) dither8[2]={
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|     0x0602060206020602LL,
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|     0x0004000400040004LL,};
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| 
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| #undef HAVE_MMX
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| 
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| //MMX versions
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| #undef RENAME
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| #define HAVE_MMX
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| #undef HAVE_MMX2
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| #undef HAVE_3DNOW
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| #define RENAME(a) a ## _MMX
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| #include "yuv2rgb_template.c"
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| 
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| //MMX2 versions
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| #undef RENAME
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| #define HAVE_MMX
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| #define HAVE_MMX2
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| #undef HAVE_3DNOW
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| #define RENAME(a) a ## _MMX2
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| #include "yuv2rgb_template.c"
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| 
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| #endif /* defined(ARCH_X86) */
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| 
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| const int32_t Inverse_Table_6_9[8][4] = {
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|     {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
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|     {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
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|     {104597, 132201, 25675, 53279}, /* unspecified */
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|     {104597, 132201, 25675, 53279}, /* reserved */
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|     {104448, 132798, 24759, 53109}, /* FCC */
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|     {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
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|     {104597, 132201, 25675, 53279}, /* SMPTE 170M */
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|     {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
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| };
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| 
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| #define RGB(i)                                      \
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|     U = pu[i];                                      \
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|     V = pv[i];                                      \
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|     r = (void *)c->table_rV[V];                     \
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|     g = (void *)(c->table_gU[U] + c->table_gV[V]);  \
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|     b = (void *)c->table_bU[U];
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| 
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| #define DST1(i)                         \
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|     Y = py_1[2*i];                      \
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|     dst_1[2*i] = r[Y] + g[Y] + b[Y];    \
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|     Y = py_1[2*i+1];                    \
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|     dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
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| 
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| #define DST2(i)                         \
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|     Y = py_2[2*i];                      \
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|     dst_2[2*i] = r[Y] + g[Y] + b[Y];    \
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|     Y = py_2[2*i+1];                    \
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|     dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
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| 
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| #define DST1RGB(i)                                                \
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|     Y = py_1[2*i];                                                \
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|     dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];  \
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|     Y = py_1[2*i+1];                                              \
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|     dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
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| 
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| #define DST2RGB(i)                                                \
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|     Y = py_2[2*i];                                                \
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|     dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];  \
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|     Y = py_2[2*i+1];                                              \
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|     dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
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| 
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| #define DST1BGR(i)                                                \
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|     Y = py_1[2*i];                                                \
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|     dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];  \
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|     Y = py_1[2*i+1];                                              \
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|     dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
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| 
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| #define DST2BGR(i)                                                \
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|     Y = py_2[2*i];                                                \
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|     dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];  \
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|     Y = py_2[2*i+1];                                              \
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|     dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
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| 
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| #define PROLOG(func_name, dst_type) \
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| static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
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|                      int srcSliceH, uint8_t* dst[], int dstStride[]){\
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|     int y;\
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| \
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|     if (c->srcFormat == PIX_FMT_YUV422P){\
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|         srcStride[1] *= 2;\
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|         srcStride[2] *= 2;\
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|     }\
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|     for (y=0; y<srcSliceH; y+=2){\
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|         dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
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|         dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
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|         dst_type av_unused *r, *b;\
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|         dst_type *g;\
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|         uint8_t *py_1= src[0] + y*srcStride[0];\
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|         uint8_t *py_2= py_1 + srcStride[0];\
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|         uint8_t *pu= src[1] + (y>>1)*srcStride[1];\
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|         uint8_t *pv= src[2] + (y>>1)*srcStride[2];\
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|         unsigned int h_size= c->dstW>>3;\
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|         while (h_size--) {\
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|             int av_unused U, V;\
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|             int Y;\
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| 
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| #define EPILOG1(dst_delta)\
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|             pu += 4;\
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|             pv += 4;\
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|             py_1 += 8;\
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|             py_2 += 8;\
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|             dst_1 += dst_delta;\
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|             dst_2 += dst_delta;\
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|         }\
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|         if (c->dstW & 4) {\
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|             int av_unused U, V;\
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|             int Y;\
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| 
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| #define EPILOG2()\
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|         }\
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|     }\
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|     return srcSliceH;\
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| }
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| 
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| #define EPILOG(dst_delta)\
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|     EPILOG1(dst_delta)\
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|     EPILOG2()
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| 
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| PROLOG(yuv2rgb_c_32, uint32_t)
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|     RGB(0);
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|     DST1(0);
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|     DST2(0);
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| 
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|     RGB(1);
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|     DST2(1);
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|     DST1(1);
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| 
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|     RGB(2);
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|     DST1(2);
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|     DST2(2);
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| 
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|     RGB(3);
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|     DST2(3);
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|     DST1(3);
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| EPILOG1(8)
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|     RGB(0);
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|     DST1(0);
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|     DST2(0);
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| 
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|     RGB(1);
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|     DST2(1);
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|     DST1(1);
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| EPILOG2()
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| 
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| PROLOG(yuv2rgb_c_24_rgb, uint8_t)
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|     RGB(0);
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|     DST1RGB(0);
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|     DST2RGB(0);
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| 
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|     RGB(1);
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|     DST2RGB(1);
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|     DST1RGB(1);
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| 
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|     RGB(2);
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|     DST1RGB(2);
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|     DST2RGB(2);
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| 
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|     RGB(3);
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|     DST2RGB(3);
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|     DST1RGB(3);
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| EPILOG1(24)
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|     RGB(0);
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|     DST1RGB(0);
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|     DST2RGB(0);
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| 
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|     RGB(1);
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|     DST2RGB(1);
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|     DST1RGB(1);
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| EPILOG2()
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| 
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| // only trivial mods from yuv2rgb_c_24_rgb
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| PROLOG(yuv2rgb_c_24_bgr, uint8_t)
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|     RGB(0);
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|     DST1BGR(0);
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|     DST2BGR(0);
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| 
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|     RGB(1);
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|     DST2BGR(1);
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|     DST1BGR(1);
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| 
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|     RGB(2);
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|     DST1BGR(2);
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|     DST2BGR(2);
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| 
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|     RGB(3);
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|     DST2BGR(3);
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|     DST1BGR(3);
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| EPILOG1(24)
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|     RGB(0);
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|     DST1BGR(0);
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|     DST2BGR(0);
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| 
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|     RGB(1);
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|     DST2BGR(1);
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|     DST1BGR(1);
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| EPILOG2()
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| 
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| // This is exactly the same code as yuv2rgb_c_32 except for the types of
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| // r, g, b, dst_1, dst_2
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| PROLOG(yuv2rgb_c_16, uint16_t)
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|     RGB(0);
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|     DST1(0);
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|     DST2(0);
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| 
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|     RGB(1);
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|     DST2(1);
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|     DST1(1);
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| 
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|     RGB(2);
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|     DST1(2);
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|     DST2(2);
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| 
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|     RGB(3);
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|     DST2(3);
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|     DST1(3);
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| EPILOG(8)
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| 
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| // This is exactly the same code as yuv2rgb_c_32 except for the types of
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| // r, g, b, dst_1, dst_2
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| PROLOG(yuv2rgb_c_8, uint8_t)
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|     RGB(0);
 | |
|     DST1(0);
 | |
|     DST2(0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2(1);
 | |
|     DST1(1);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1(2);
 | |
|     DST2(2);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2(3);
 | |
|     DST1(3);
 | |
| EPILOG(8)
 | |
| 
 | |
| // r, g, b, dst_1, dst_2
 | |
| PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
 | |
|     const uint8_t *d32= dither_8x8_32[y&7];
 | |
|     const uint8_t *d64= dither_8x8_73[y&7];
 | |
| #define DST1bpp8(i,o)                                               \
 | |
|     Y = py_1[2*i];                                                  \
 | |
|     dst_1[2*i]   = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];   \
 | |
|     Y = py_1[2*i+1];                                                \
 | |
|     dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
 | |
| 
 | |
| #define DST2bpp8(i,o)                                               \
 | |
|     Y = py_2[2*i];                                                  \
 | |
|     dst_2[2*i]   =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];  \
 | |
|     Y = py_2[2*i+1];                                                \
 | |
|     dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
 | |
| 
 | |
| 
 | |
|     RGB(0);
 | |
|     DST1bpp8(0,0);
 | |
|     DST2bpp8(0,0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2bpp8(1,2);
 | |
|     DST1bpp8(1,2);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1bpp8(2,4);
 | |
|     DST2bpp8(2,4);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2bpp8(3,6);
 | |
|     DST1bpp8(3,6);
 | |
| EPILOG(8)
 | |
| 
 | |
| 
 | |
| // This is exactly the same code as yuv2rgb_c_32 except for the types of
 | |
| // r, g, b, dst_1, dst_2
 | |
| PROLOG(yuv2rgb_c_4, uint8_t)
 | |
|     int acc;
 | |
| #define DST1_4(i)                   \
 | |
|     Y = py_1[2*i];                  \
 | |
|     acc = r[Y] + g[Y] + b[Y];       \
 | |
|     Y = py_1[2*i+1];                \
 | |
|     acc |= (r[Y] + g[Y] + b[Y])<<4; \
 | |
|     dst_1[i] = acc;
 | |
| 
 | |
| #define DST2_4(i)                   \
 | |
|     Y = py_2[2*i];                  \
 | |
|     acc = r[Y] + g[Y] + b[Y];       \
 | |
|     Y = py_2[2*i+1];                \
 | |
|     acc |= (r[Y] + g[Y] + b[Y])<<4; \
 | |
|     dst_2[i] = acc;
 | |
| 
 | |
|     RGB(0);
 | |
|     DST1_4(0);
 | |
|     DST2_4(0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2_4(1);
 | |
|     DST1_4(1);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1_4(2);
 | |
|     DST2_4(2);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2_4(3);
 | |
|     DST1_4(3);
 | |
| EPILOG(4)
 | |
| 
 | |
| PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
 | |
|     const uint8_t *d64= dither_8x8_73[y&7];
 | |
|     const uint8_t *d128=dither_8x8_220[y&7];
 | |
|     int acc;
 | |
| 
 | |
| #define DST1bpp4(i,o)                                             \
 | |
|     Y = py_1[2*i];                                                \
 | |
|     acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];        \
 | |
|     Y = py_1[2*i+1];                                              \
 | |
|     acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;  \
 | |
|     dst_1[i]= acc;
 | |
| 
 | |
| #define DST2bpp4(i,o)                                             \
 | |
|     Y = py_2[2*i];                                                \
 | |
|     acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];       \
 | |
|     Y = py_2[2*i+1];                                              \
 | |
|     acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4; \
 | |
|     dst_2[i]= acc;
 | |
| 
 | |
| 
 | |
|     RGB(0);
 | |
|     DST1bpp4(0,0);
 | |
|     DST2bpp4(0,0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2bpp4(1,2);
 | |
|     DST1bpp4(1,2);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1bpp4(2,4);
 | |
|     DST2bpp4(2,4);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2bpp4(3,6);
 | |
|     DST1bpp4(3,6);
 | |
| EPILOG(4)
 | |
| 
 | |
| // This is exactly the same code as yuv2rgb_c_32 except for the types of
 | |
| // r, g, b, dst_1, dst_2
 | |
| PROLOG(yuv2rgb_c_4b, uint8_t)
 | |
|     RGB(0);
 | |
|     DST1(0);
 | |
|     DST2(0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2(1);
 | |
|     DST1(1);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1(2);
 | |
|     DST2(2);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2(3);
 | |
|     DST1(3);
 | |
| EPILOG(8)
 | |
| 
 | |
| PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
 | |
|     const uint8_t *d64= dither_8x8_73[y&7];
 | |
|     const uint8_t *d128=dither_8x8_220[y&7];
 | |
| 
 | |
| #define DST1bpp4b(i,o)                                                \
 | |
|     Y = py_1[2*i];                                                    \
 | |
|     dst_1[2*i]   = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];   \
 | |
|     Y = py_1[2*i+1];                                                  \
 | |
|     dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
 | |
| 
 | |
| #define DST2bpp4b(i,o)                                                \
 | |
|     Y = py_2[2*i];                                                    \
 | |
|     dst_2[2*i]   =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];  \
 | |
|     Y = py_2[2*i+1];                                                  \
 | |
|     dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
 | |
| 
 | |
| 
 | |
|     RGB(0);
 | |
|     DST1bpp4b(0,0);
 | |
|     DST2bpp4b(0,0);
 | |
| 
 | |
|     RGB(1);
 | |
|     DST2bpp4b(1,2);
 | |
|     DST1bpp4b(1,2);
 | |
| 
 | |
|     RGB(2);
 | |
|     DST1bpp4b(2,4);
 | |
|     DST2bpp4b(2,4);
 | |
| 
 | |
|     RGB(3);
 | |
|     DST2bpp4b(3,6);
 | |
|     DST1bpp4b(3,6);
 | |
| EPILOG(8)
 | |
| 
 | |
| PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
 | |
|         const uint8_t *d128=dither_8x8_220[y&7];
 | |
|         char out_1=0, out_2=0;
 | |
|         g= c->table_gU[128] + c->table_gV[128];
 | |
| 
 | |
| #define DST1bpp1(i,o)               \
 | |
|     Y = py_1[2*i];                  \
 | |
|     out_1+= out_1 + g[Y+d128[0+o]]; \
 | |
|     Y = py_1[2*i+1];                \
 | |
|     out_1+= out_1 + g[Y+d128[1+o]];
 | |
| 
 | |
| #define DST2bpp1(i,o)               \
 | |
|     Y = py_2[2*i];                  \
 | |
|     out_2+= out_2 + g[Y+d128[8+o]]; \
 | |
|     Y = py_2[2*i+1];                \
 | |
|     out_2+= out_2 + g[Y+d128[9+o]];
 | |
| 
 | |
|     DST1bpp1(0,0);
 | |
|     DST2bpp1(0,0);
 | |
| 
 | |
|     DST2bpp1(1,2);
 | |
|     DST1bpp1(1,2);
 | |
| 
 | |
|     DST1bpp1(2,4);
 | |
|     DST2bpp1(2,4);
 | |
| 
 | |
|     DST2bpp1(3,6);
 | |
|     DST1bpp1(3,6);
 | |
| 
 | |
|     dst_1[0]= out_1;
 | |
|     dst_2[0]= out_2;
 | |
| EPILOG(1)
 | |
| 
 | |
| SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
 | |
| {
 | |
| #if defined(HAVE_MMX2) || defined(HAVE_MMX)
 | |
|     if (c->flags & SWS_CPU_CAPS_MMX2){
 | |
|         switch(c->dstFormat){
 | |
|         case PIX_FMT_RGB32:  return yuv420_rgb32_MMX2;
 | |
|         case PIX_FMT_BGR24:  return yuv420_rgb24_MMX2;
 | |
|         case PIX_FMT_BGR565: return yuv420_rgb16_MMX2;
 | |
|         case PIX_FMT_BGR555: return yuv420_rgb15_MMX2;
 | |
|         }
 | |
|     }
 | |
|     if (c->flags & SWS_CPU_CAPS_MMX){
 | |
|         switch(c->dstFormat){
 | |
|         case PIX_FMT_RGB32:  return yuv420_rgb32_MMX;
 | |
|         case PIX_FMT_BGR24:  return yuv420_rgb24_MMX;
 | |
|         case PIX_FMT_BGR565: return yuv420_rgb16_MMX;
 | |
|         case PIX_FMT_BGR555: return yuv420_rgb15_MMX;
 | |
|         }
 | |
|     }
 | |
| #endif
 | |
| #ifdef HAVE_MLIB
 | |
|     {
 | |
|         SwsFunc t= yuv2rgb_init_mlib(c);
 | |
|         if (t) return t;
 | |
|     }
 | |
| #endif
 | |
| #ifdef HAVE_ALTIVEC
 | |
|     if (c->flags & SWS_CPU_CAPS_ALTIVEC)
 | |
|     {
 | |
|         SwsFunc t = yuv2rgb_init_altivec(c);
 | |
|         if (t) return t;
 | |
|     }
 | |
| #endif
 | |
| 
 | |
| #ifdef ARCH_BFIN
 | |
|     if (c->flags & SWS_CPU_CAPS_BFIN)
 | |
|     {
 | |
|         SwsFunc t = ff_bfin_yuv2rgb_get_func_ptr (c);
 | |
|         if (t) return t;
 | |
|     }
 | |
| #endif
 | |
| 
 | |
|     av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found\n");
 | |
| 
 | |
|     switch(c->dstFormat){
 | |
|     case PIX_FMT_BGR32:
 | |
|     case PIX_FMT_RGB32: return yuv2rgb_c_32;
 | |
|     case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb;
 | |
|     case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr;
 | |
|     case PIX_FMT_RGB565:
 | |
|     case PIX_FMT_BGR565:
 | |
|     case PIX_FMT_RGB555:
 | |
|     case PIX_FMT_BGR555: return yuv2rgb_c_16;
 | |
|     case PIX_FMT_RGB8:
 | |
|     case PIX_FMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
 | |
|     case PIX_FMT_RGB4:
 | |
|     case PIX_FMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
 | |
|     case PIX_FMT_RGB4_BYTE:
 | |
|     case PIX_FMT_BGR4_BYTE:  return yuv2rgb_c_4b_ordered_dither;
 | |
|     case PIX_FMT_MONOBLACK:  return yuv2rgb_c_1_ordered_dither;
 | |
|     default:
 | |
|         assert(0);
 | |
|     }
 | |
|     return NULL;
 | |
| }
 | |
| 
 | |
| static int div_round (int dividend, int divisor)
 | |
| {
 | |
|     if (dividend > 0)
 | |
|         return (dividend + (divisor>>1)) / divisor;
 | |
|     else
 | |
|         return -((-dividend + (divisor>>1)) / divisor);
 | |
| }
 | |
| 
 | |
| int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
 | |
| {
 | |
|     const int isRgb = isBGR(c->dstFormat);
 | |
|     const int bpp = fmt_depth(c->dstFormat);
 | |
|     int i;
 | |
|     uint8_t table_Y[1024];
 | |
|     uint32_t *table_32 = 0;
 | |
|     uint16_t *table_16 = 0;
 | |
|     uint8_t *table_8 = 0;
 | |
|     uint8_t *table_332 = 0;
 | |
|     uint8_t *table_121 = 0;
 | |
|     uint8_t *table_1 = 0;
 | |
|     int entry_size = 0;
 | |
|     void *table_r = 0, *table_g = 0, *table_b = 0;
 | |
|     void *table_start;
 | |
| 
 | |
|     int64_t crv =  inv_table[0];
 | |
|     int64_t cbu =  inv_table[1];
 | |
|     int64_t cgu = -inv_table[2];
 | |
|     int64_t cgv = -inv_table[3];
 | |
|     int64_t cy  = 1<<16;
 | |
|     int64_t oy  = 0;
 | |
| 
 | |
| //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
 | |
|     if (!fullRange){
 | |
|         cy= (cy*255) / 219;
 | |
|         oy= 16<<16;
 | |
|     }else{
 | |
|         crv= (crv*224) / 255;
 | |
|         cbu= (cbu*224) / 255;
 | |
|         cgu= (cgu*224) / 255;
 | |
|         cgv= (cgv*224) / 255;
 | |
|     }
 | |
| 
 | |
|     cy = (cy *contrast             )>>16;
 | |
|     crv= (crv*contrast * saturation)>>32;
 | |
|     cbu= (cbu*contrast * saturation)>>32;
 | |
|     cgu= (cgu*contrast * saturation)>>32;
 | |
|     cgv= (cgv*contrast * saturation)>>32;
 | |
| //printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
 | |
|     oy -= 256*brightness;
 | |
| 
 | |
|     for (i = 0; i < 1024; i++) {
 | |
|         int j;
 | |
| 
 | |
|         j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
 | |
|         j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
 | |
|         table_Y[i] = j;
 | |
|     }
 | |
| 
 | |
|     switch (bpp) {
 | |
|     case 32:
 | |
|         table_start= table_32 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
 | |
| 
 | |
|         entry_size = sizeof (uint32_t);
 | |
|         table_r = table_32 + 197;
 | |
|         table_b = table_32 + 197 + 685;
 | |
|         table_g = table_32 + 197 + 2*682;
 | |
| 
 | |
|         for (i = -197; i < 256+197; i++)
 | |
|             ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
 | |
|         for (i = -132; i < 256+132; i++)
 | |
|             ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
 | |
|         for (i = -232; i < 256+232; i++)
 | |
|             ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
 | |
|         break;
 | |
| 
 | |
|     case 24:
 | |
|         table_start= table_8 = av_malloc ((256 + 2*232) * sizeof (uint8_t));
 | |
| 
 | |
|         entry_size = sizeof (uint8_t);
 | |
|         table_r = table_g = table_b = table_8 + 232;
 | |
| 
 | |
|         for (i = -232; i < 256+232; i++)
 | |
|             ((uint8_t * )table_b)[i] = table_Y[i+384];
 | |
|         break;
 | |
| 
 | |
|     case 15:
 | |
|     case 16:
 | |
|         table_start= table_16 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
 | |
| 
 | |
|         entry_size = sizeof (uint16_t);
 | |
|         table_r = table_16 + 197;
 | |
|         table_b = table_16 + 197 + 685;
 | |
|         table_g = table_16 + 197 + 2*682;
 | |
| 
 | |
|         for (i = -197; i < 256+197; i++) {
 | |
|             int j = table_Y[i+384] >> 3;
 | |
| 
 | |
|             if (isRgb)
 | |
|                 j <<= ((bpp==16) ? 11 : 10);
 | |
| 
 | |
|             ((uint16_t *)table_r)[i] = j;
 | |
|         }
 | |
|         for (i = -132; i < 256+132; i++) {
 | |
|             int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
 | |
| 
 | |
|             ((uint16_t *)table_g)[i] = j << 5;
 | |
|         }
 | |
|         for (i = -232; i < 256+232; i++) {
 | |
|             int j = table_Y[i+384] >> 3;
 | |
| 
 | |
|             if (!isRgb)
 | |
|                 j <<= ((bpp==16) ? 11 : 10);
 | |
| 
 | |
|             ((uint16_t *)table_b)[i] = j;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|     case 8:
 | |
|         table_start= table_332 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
 | |
| 
 | |
|         entry_size = sizeof (uint8_t);
 | |
|         table_r = table_332 + 197;
 | |
|         table_b = table_332 + 197 + 685;
 | |
|         table_g = table_332 + 197 + 2*682;
 | |
| 
 | |
|         for (i = -197; i < 256+197; i++) {
 | |
|             int j = (table_Y[i+384 - 16] + 18)/36;
 | |
| 
 | |
|             if (isRgb)
 | |
|                 j <<= 5;
 | |
| 
 | |
|             ((uint8_t *)table_r)[i] = j;
 | |
|         }
 | |
|         for (i = -132; i < 256+132; i++) {
 | |
|             int j = (table_Y[i+384 - 16] + 18)/36;
 | |
| 
 | |
|             if (!isRgb)
 | |
|                 j <<= 1;
 | |
| 
 | |
|             ((uint8_t *)table_g)[i] = j << 2;
 | |
|         }
 | |
|         for (i = -232; i < 256+232; i++) {
 | |
|             int j = (table_Y[i+384 - 37] + 43)/85;
 | |
| 
 | |
|             if (!isRgb)
 | |
|                 j <<= 6;
 | |
| 
 | |
|             ((uint8_t *)table_b)[i] = j;
 | |
|         }
 | |
|         break;
 | |
|     case 4:
 | |
|     case 4|128:
 | |
|         table_start= table_121 = av_malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
 | |
| 
 | |
|         entry_size = sizeof (uint8_t);
 | |
|         table_r = table_121 + 197;
 | |
|         table_b = table_121 + 197 + 685;
 | |
|         table_g = table_121 + 197 + 2*682;
 | |
| 
 | |
|         for (i = -197; i < 256+197; i++) {
 | |
|             int j = table_Y[i+384 - 110] >> 7;
 | |
| 
 | |
|             if (isRgb)
 | |
|                 j <<= 3;
 | |
| 
 | |
|             ((uint8_t *)table_r)[i] = j;
 | |
|         }
 | |
|         for (i = -132; i < 256+132; i++) {
 | |
|             int j = (table_Y[i+384 - 37]+ 43)/85;
 | |
| 
 | |
|             ((uint8_t *)table_g)[i] = j << 1;
 | |
|         }
 | |
|         for (i = -232; i < 256+232; i++) {
 | |
|             int j =table_Y[i+384 - 110] >> 7;
 | |
| 
 | |
|             if (!isRgb)
 | |
|                 j <<= 3;
 | |
| 
 | |
|             ((uint8_t *)table_b)[i] = j;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|     case 1:
 | |
|         table_start= table_1 = av_malloc (256*2 * sizeof (uint8_t));
 | |
| 
 | |
|         entry_size = sizeof (uint8_t);
 | |
|         table_g = table_1;
 | |
|         table_r = table_b = NULL;
 | |
| 
 | |
|         for (i = 0; i < 256+256; i++) {
 | |
|             int j = table_Y[i + 384 - 110]>>7;
 | |
| 
 | |
|             ((uint8_t *)table_g)[i] = j;
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|     default:
 | |
|         table_start= NULL;
 | |
|         av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
 | |
|         //free mem?
 | |
|         return -1;
 | |
|     }
 | |
| 
 | |
|     for (i = 0; i < 256; i++) {
 | |
|         c->table_rV[i] = (uint8_t *)table_r + entry_size * div_round (crv * (i-128), 76309);
 | |
|         c->table_gU[i] = (uint8_t *)table_g + entry_size * div_round (cgu * (i-128), 76309);
 | |
|         c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
 | |
|         c->table_bU[i] = (uint8_t *)table_b + entry_size * div_round (cbu * (i-128), 76309);
 | |
|     }
 | |
| 
 | |
|     av_free(c->yuvTable);
 | |
|     c->yuvTable= table_start;
 | |
|     return 0;
 | |
| }
 |