mirror of https://github.com/mpv-player/mpv
197 lines
7.5 KiB
C
197 lines
7.5 KiB
C
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/*
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** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
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** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
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**
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** This program 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 of the License, or
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** (at your option) any later version.
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**
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** This program 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 this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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**
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** Any non-GPL usage of this software or parts of this software is strictly
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** forbidden.
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**
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** Commercial non-GPL licensing of this software is possible.
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** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
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**
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** $Id: hcb_4.h,v 1.2 2003/07/29 08:20:14 menno Exp $
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**/
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/* 2-step huffman table HCB_4 */
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/* 1st step: 5 bits
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* 2^5 = 32 entries
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*
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* Used to find offset into 2nd step table and number of extra bits to get
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*/
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static hcb hcb4_1[] = {
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/* 4 bit codewords */
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{ /* 00000 */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* 00010 */ 1, 0 },
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{ /* */ 1, 0 },
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{ /* 00100 */ 2, 0 },
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{ /* */ 2, 0 },
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{ /* 00110 */ 3, 0 },
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{ /* */ 3, 0 },
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{ /* 01000 */ 4, 0 },
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{ /* */ 4, 0 },
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{ /* 01010 */ 5, 0 },
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{ /* */ 5, 0 },
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{ /* 01100 */ 6, 0 },
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{ /* */ 6, 0 },
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{ /* 01110 */ 7, 0 },
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{ /* */ 7, 0 },
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{ /* 10000 */ 8, 0 },
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{ /* */ 8, 0 },
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{ /* 10010 */ 9, 0 },
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{ /* */ 9, 0 },
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/* 5 bit codewords */
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{ /* 10100 */ 10, 0 },
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{ /* 10101 */ 11, 0 },
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{ /* 10110 */ 12, 0 },
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{ /* 10111 */ 13, 0 },
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{ /* 11000 */ 14, 0 },
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{ /* 11001 */ 15, 0 },
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/* 7 bit codewords */
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{ /* 11010 */ 16, 2 },
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{ /* 11011 */ 20, 2 },
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/* 7/8 bit codewords */
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{ /* 11100 */ 24, 3 },
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/* 8 bit codewords */
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{ /* 11101 */ 32, 3 },
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/* 8/9 bit codewords */
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{ /* 11110 */ 40, 4 },
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/* 9/10/11/12 bit codewords */
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{ /* 11111 */ 56, 7 }
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};
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/* 2nd step table
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*
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* Gives size of codeword and actual data (x,y,v,w)
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*/
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static hcb_2_quad hcb4_2[] = {
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/* 4 bit codewords */
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{ 4, 1, 1, 1, 1 },
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{ 4, 0, 1, 1, 1 },
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{ 4, 1, 1, 0, 1 },
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{ 4, 1, 1, 1, 0 },
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{ 4, 1, 0, 1, 1 },
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{ 4, 1, 0, 0, 0 },
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{ 4, 1, 1, 0, 0 },
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{ 4, 0, 0, 0, 0 },
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{ 4, 0, 0, 1, 1 },
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{ 4, 1, 0, 1, 0 },
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/* 5 bit codewords */
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{ 5, 1, 0, 0, 1 },
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{ 5, 0, 1, 1, 0 },
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{ 5, 0, 0, 0, 1 },
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{ 5, 0, 1, 0, 1 },
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{ 5, 0, 0, 1, 0 },
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{ 5, 0, 1, 0, 0 },
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/* 7 bit codewords */
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/* first 5 bits: 11010 */
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{ 7, 2, 1, 1, 1 },
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{ 7, 1, 1, 2, 1 },
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{ 7, 1, 2, 1, 1 },
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{ 7, 1, 1, 1, 2 },
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/* first 5 bits: 11011 */
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{ 7, 2, 1, 1, 0 },
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{ 7, 2, 1, 0, 1 },
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{ 7, 1, 2, 1, 0 },
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{ 7, 2, 0, 1, 1 },
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/* 7/8 bit codewords */
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/* first 5 bits: 11100 */
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{ 7, 0, 1, 2, 1 }, { 7, 0, 1, 2, 1 },
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{ 8, 0, 1, 1, 2 },
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{ 8, 1, 1, 2, 0 },
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{ 8, 0, 2, 1, 1 },
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{ 8, 1, 0, 1, 2 },
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{ 8, 1, 2, 0, 1 },
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{ 8, 1, 1, 0, 2 },
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/* 8 bit codewords */
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{ 8, 1, 0, 2, 1 },
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{ 8, 2, 1, 0, 0 },
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{ 8, 2, 0, 1, 0 },
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{ 8, 1, 2, 0, 0 },
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{ 8, 2, 0, 0, 1 },
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{ 8, 0, 1, 0, 2 },
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{ 8, 0, 2, 1, 0 },
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{ 8, 0, 0, 1, 2 },
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/* 8/9 bit codewords */
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{ 8, 0, 1, 2, 0 }, { 8, 0, 1, 2, 0 },
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{ 8, 0, 2, 0, 1 }, { 8, 0, 2, 0, 1 },
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{ 8, 1, 0, 0, 2 }, { 8, 1, 0, 0, 2 },
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{ 8, 0, 0, 2, 1 }, { 8, 0, 0, 2, 1 },
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{ 8, 1, 0, 2, 0 }, { 8, 1, 0, 2, 0 },
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{ 8, 2, 0, 0, 0 }, { 8, 2, 0, 0, 0 },
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{ 8, 0, 0, 0, 2 }, { 8, 0, 0, 0, 2 },
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{ 9, 0, 2, 0, 0 },
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{ 9, 0, 0, 2, 0 },
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/* 9/10/11 bit codewords */
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/* 9 bit codewords repeated 2^3 = 8 times */
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{ 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 },
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{ 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 }, { 9, 1, 2, 2, 1 },
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{ 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 },
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{ 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 }, { 9, 2, 2, 1, 1 },
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{ 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 },
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{ 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 }, { 9, 2, 1, 2, 1 },
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{ 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 },
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{ 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 }, { 9, 1, 1, 2, 2 },
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{ 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 },
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{ 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 }, { 9, 1, 2, 1, 2 },
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{ 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 },
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{ 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 }, { 9, 2, 1, 1, 2 },
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/* 10 bit codewords repeated 2^2 = 4 times */
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{ 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 }, { 10, 1, 2, 2, 0 },
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{ 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 }, { 10, 2, 2, 1, 0 },
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{ 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 }, { 10, 2, 1, 2, 0 },
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{ 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 }, { 10, 0, 2, 2, 1 },
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{ 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 }, { 10, 0, 1, 2, 2 },
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{ 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 }, { 10, 2, 2, 0, 1 },
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{ 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 }, { 10, 0, 2, 1, 2 },
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{ 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 }, { 10, 2, 0, 2, 1 },
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{ 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 }, { 10, 1, 0, 2, 2 },
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{ 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 }, { 10, 2, 2, 2, 1 },
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{ 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 }, { 10, 1, 2, 0, 2 },
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{ 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 }, { 10, 2, 0, 1, 2 },
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{ 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 }, { 10, 2, 1, 0, 2 },
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{ 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 }, { 10, 1, 2, 2, 2 },
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/* 11 bit codewords repeated 2^1 = 2 times */
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{ 11, 2, 1, 2, 2 }, { 11, 2, 1, 2, 2 },
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{ 11, 2, 2, 1, 2 }, { 11, 2, 2, 1, 2 },
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{ 11, 0, 2, 2, 0 }, { 11, 0, 2, 2, 0 },
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{ 11, 2, 2, 0, 0 }, { 11, 2, 2, 0, 0 },
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{ 11, 0, 0, 2, 2 }, { 11, 0, 0, 2, 2 },
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{ 11, 2, 0, 2, 0 }, { 11, 2, 0, 2, 0 },
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{ 11, 0, 2, 0, 2 }, { 11, 0, 2, 0, 2 },
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{ 11, 2, 0, 0, 2 }, { 11, 2, 0, 0, 2 },
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{ 11, 2, 2, 2, 2 }, { 11, 2, 2, 2, 2 },
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{ 11, 0, 2, 2, 2 }, { 11, 0, 2, 2, 2 },
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{ 11, 2, 2, 2, 0 }, { 11, 2, 2, 2, 0 },
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/* 12 bit codewords */
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{ 12, 2, 2, 0, 2 },
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{ 12, 2, 0, 2, 2 },
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};
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