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			351 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			351 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Indeo Video Interactive 4 compatible decoder
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|  * Copyright (c) 2009-2010 Maxim Poliakovski
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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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| 
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| /**
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|  * @file
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|  * This file contains data needed for the Indeo 4 decoder.
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|  */
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| 
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| #ifndef AVCODEC_INDEO4DATA_H
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| #define AVCODEC_INDEO4DATA_H
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| 
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| #include <stdint.h>
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| #include "dsputil.h"
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| #include "ivi_common.h"
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| 
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| /**
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|  *  standard picture dimensions
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|  */
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| static const uint16_t ivi4_common_pic_sizes[14] = {
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|     640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144
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| };
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| 
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| /**
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|  *  Indeo 4 8x8 scan (zigzag) patterns
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|  */
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| static const uint8_t ivi4_alternate_scan_8x8[64] = {
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|      0,  8,  1,  9, 16, 24,  2,  3, 17, 25, 10, 11, 32, 40, 48, 56,
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|      4,  5,  6,  7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15,
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|     34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28,
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|     36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60
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| };
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| 
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| static const uint8_t ivi4_alternate_scan_4x4[16] = {
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|     0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15
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| };
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| 
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| static const uint8_t ivi4_vertical_scan_4x4[16] = {
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|     0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15
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| };
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| 
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| static const uint8_t ivi4_horizontal_scan_4x4[16] = {
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|     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
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| };
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| 
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| static const uint8_t *scan_index_to_tab[15] = {
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|     // for 8x8 transforms
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|     ff_zigzag_direct,
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|     ivi4_alternate_scan_8x8,
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|     ff_ivi_horizontal_scan_8x8,
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|     ff_ivi_vertical_scan_8x8,
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|     ff_zigzag_direct,
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| 
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|     // for 4x4 transforms
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|     ff_ivi_direct_scan_4x4,
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|     ivi4_alternate_scan_4x4,
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|     ivi4_vertical_scan_4x4,
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|     ivi4_horizontal_scan_4x4,
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|     ff_ivi_direct_scan_4x4,
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| 
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|     // TODO: check if those are needed
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|     ff_ivi_horizontal_scan_8x8,
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|     ff_ivi_horizontal_scan_8x8,
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|     ff_ivi_horizontal_scan_8x8,
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|     ff_ivi_horizontal_scan_8x8,
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|     ff_ivi_horizontal_scan_8x8
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| };
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| 
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| /**
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|  *  Indeo 4 dequant tables
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|  */
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| static const uint16_t ivi4_quant_8x8_intra[9][64] = {
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|   {
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|       43,  342,  385,  470,  555,  555,  598,  726,
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|      342,  342,  470,  513,  555,  598,  726,  769,
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|      385,  470,  555,  555,  598,  726,  726,  811,
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|      470,  470,  555,  555,  598,  726,  769,  854,
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|      470,  555,  555,  598,  683,  726,  854, 1025,
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|      555,  555,  598,  683,  726,  854, 1025, 1153,
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|      555,  555,  598,  726,  811,  982, 1195, 1451,
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|      555,  598,  726,  811,  982, 1195, 1451, 1793
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|   },
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|   {
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|       86, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
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|     1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865,
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|     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
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|     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,
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|     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
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|     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
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|     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,
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|     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827
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|   },
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|   {
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,
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|      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835
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|   },
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|   {
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,
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|     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414
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|   },
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|   {
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|      897,  897,  897,  897,  897,  897,  897,  897,
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|     1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067,
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|     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
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|     1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409,
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|     1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579,
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|     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,
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|     1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921,
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|     2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091
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|   },
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|   {
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414
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|   },
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|   {
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,
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|     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390
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|   },
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|   {
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|       22,  171,  214,  257,  257,  299,  299,  342,
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|      171,  171,  257,  257,  299,  299,  342,  385,
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|      214,  257,  257,  299,  299,  342,  342,  385,
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|      257,  257,  257,  299,  299,  342,  385,  427,
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|      257,  257,  299,  299,  342,  385,  427,  513,
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|      257,  299,  299,  342,  385,  427,  513,  598,
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|      299,  299,  299,  385,  385,  470,  598,  726,
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|      299,  299,  385,  385,  470,  598,  726,  897
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|   },
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|   {
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|       86,  598, 1195, 1195, 2390, 2390, 2390, 2390,
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|      598,  598, 1195, 1195, 2390, 2390, 2390, 2390,
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|     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
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|     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,
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|     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
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|     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
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|     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,
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|     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414
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|   }
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| };
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| 
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| static const uint16_t ivi4_quant_8x8_inter[9][64] = {
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|   {
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|      427,  427,  470,  427,  427,  427,  470,  470,
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|      427,  427,  470,  427,  427,  427,  470,  470,
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|      470,  470,  470,  470,  470,  470,  470,  470,
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|      427,  427,  470,  470,  427,  427,  470,  470,
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|      427,  427,  470,  427,  427,  427,  470,  470,
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|      427,  427,  470,  427,  427,  427,  470,  470,
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|      470,  470,  470,  470,  470,  470,  470,  470,
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|      470,  470,  470,  470,  470,  470,  470,  470
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|   },
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|   {
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|     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
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|     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,
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|     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
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|     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,
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|     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
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|     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
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|     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,
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|     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414
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|   },
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|   {
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,
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|     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281
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|   },
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|   {
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,
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|     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433
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|   },
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|   {
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|     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
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|     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
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|     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
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|     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,
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|     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
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|     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,
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|     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,
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|     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281
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|   },
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|   {
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,
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|     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433
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|   },
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|   {
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,
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|     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707
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|   },
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|   {
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|       86,  171,  171,  214,  214,  214,  214,  257,
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|      171,  171,  214,  214,  214,  214,  257,  257,
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|      171,  214,  214,  214,  214,  257,  257,  257,
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|      214,  214,  214,  214,  257,  257,  257,  299,
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|      214,  214,  214,  257,  257,  257,  299,  299,
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|      214,  214,  257,  257,  257,  299,  299,  299,
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|      214,  257,  257,  257,  299,  299,  299,  342,
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|      257,  257,  257,  299,  299,  299,  342,  342
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|   },
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|   {
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|      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,
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|      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,
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|     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
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|     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,
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|     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
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|     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
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|     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,
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|     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707
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|   }
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| };
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| 
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| static const uint16_t ivi4_quant_4x4_intra[5][16] = {
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|   {
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|       22,  214,  257,  299,
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|      214,  257,  299,  342,
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|      257,  299,  342,  427,
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|      299,  342,  427,  513
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|   },
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|   {
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|      129, 1025, 1451, 1451,
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|     1025, 1025, 1451, 1451,
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|     1451, 1451, 2049, 2049,
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|     1451, 1451, 2049, 2049
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|   },
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|   {
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|       43,  171,  171,  171,
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|       43,  171,  171,  171,
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|       43,  171,  171,  171,
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|       43,  171,  171,  171
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|   },
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|   {
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|       43,   43,   43,   43,
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|      171,  171,  171,  171,
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|      171,  171,  171,  171,
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|      171,  171,  171,  171
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|   },
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|   {
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|       43,   43,   43,   43,
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|       43,   43,   43,   43,
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|       43,   43,   43,   43,
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|       43,   43,   43,   43
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|   }
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| };
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| 
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| static const uint16_t ivi4_quant_4x4_inter[5][16] = {
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|   {
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|      107,  214,  257,  299,
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|      214,  257,  299,  299,
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|      257,  299,  299,  342,
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|      299,  299,  342,  342
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|   },
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|   {
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|      513, 1025, 1238, 1238,
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|     1025, 1025, 1238, 1238,
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|     1238, 1238, 1451, 1451,
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|     1238, 1238, 1451, 1451
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|   },
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|   {
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|       43,  171,  171,  171,
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|       43,  171,  171,  171,
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|       43,  171,  171,  171,
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|       43,  171,  171,  171
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|   },
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|   {
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|       43,   43,   43,   43,
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|      171,  171,  171,  171,
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|      171,  171,  171,  171,
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|      171,  171,  171,  171
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|   },
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|   {
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|       43,   43,   43,   43,
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|       43,   43,   43,   43,
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|       43,   43,   43,   43,
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|       43,   43,   43,   43
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|   }
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| };
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| 
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| /**
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|  *  Table for mapping quant matrix index from the bitstream
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|  *  into internal quant table number.
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|  */
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| static const uint8_t quant_index_to_tab[22] = {
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|     0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes
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|     0, 1, 2, 2, 3, 3, 4                          // for 4x4 quant matrixes
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| };
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| 
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| #endif /* AVCODEC_INDEO4DATA_H */
 | 
