mirror of https://github.com/mpv-player/mpv
171 lines
4.2 KiB
C
171 lines
4.2 KiB
C
/*
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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_8.h,v 1.3 2003/09/09 18:12:01 menno Exp $
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**/
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/* 2-step huffman table HCB_8 */
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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 hcb8_1[] = {
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/* 3 bit codeword */
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{ /* 00000 */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* */ 0, 0 },
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/* 4 bit codewords */
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{ /* 00100 */ 1, 0 },
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{ /* */ 1, 0 },
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{ /* 00110 */ 2, 0 },
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{ /* */ 2, 0 },
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{ /* 01000 */ 3, 0 },
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{ /* */ 3, 0 },
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{ /* 01010 */ 4, 0 },
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{ /* */ 4, 0 },
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{ /* 01100 */ 5, 0 },
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{ /* */ 5, 0 },
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/* 5 bit codewords */
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{ /* 01110 */ 6, 0 },
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{ /* 01111 */ 7, 0 },
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{ /* 10000 */ 8, 0 },
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{ /* 10001 */ 9, 0 },
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{ /* 10010 */ 10, 0 },
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{ /* 10011 */ 11, 0 },
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{ /* 10100 */ 12, 0 },
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/* 6 bit codewords */
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{ /* 10101 */ 13, 1 },
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{ /* 10110 */ 15, 1 },
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{ /* 10111 */ 17, 1 },
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{ /* 11000 */ 19, 1 },
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{ /* 11001 */ 21, 1 },
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/* 7 bit codewords */
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{ /* 11010 */ 23, 2 },
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{ /* 11011 */ 27, 2 },
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{ /* 11100 */ 31, 2 },
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/* 7/8 bit codewords */
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{ /* 11101 */ 35, 3 },
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/* 8 bit codewords */
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{ /* 11110 */ 43, 3 },
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/* 8/9/10 bit codewords */
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{ /* 11111 */ 51, 5 }
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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_pair hcb8_2[] = {
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/* 3 bit codeword */
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{ 3, 1, 1 },
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/* 4 bit codewords */
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{ 4, 2, 1 },
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{ 4, 1, 0 },
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{ 4, 1, 2 },
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{ 4, 0, 1 },
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{ 4, 2, 2 },
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/* 5 bit codewords */
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{ 5, 0, 0 },
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{ 5, 2, 0 },
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{ 5, 0, 2 },
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{ 5, 3, 1 },
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{ 5, 1, 3 },
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{ 5, 3, 2 },
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{ 5, 2, 3 },
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/* 6 bit codewords */
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{ 6, 3, 3 },
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{ 6, 4, 1 },
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{ 6, 1, 4 },
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{ 6, 4, 2 },
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{ 6, 2, 4 },
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{ 6, 3, 0 },
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{ 6, 0, 3 },
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{ 6, 4, 3 },
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{ 6, 3, 4 },
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{ 6, 5, 2 },
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/* 7 bit codewords */
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{ 7, 5, 1 },
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{ 7, 2, 5 },
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{ 7, 1, 5 },
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{ 7, 5, 3 },
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{ 7, 3, 5 },
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{ 7, 4, 4 },
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{ 7, 5, 4 },
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{ 7, 0, 4 },
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{ 7, 4, 5 },
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{ 7, 4, 0 },
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{ 7, 2, 6 },
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{ 7, 6, 2 },
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/* 7/8 bit codewords */
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{ 7, 6, 1 }, { 7, 6, 1 },
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{ 7, 1, 6 }, { 7, 1, 6 },
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{ 8, 3, 6 },
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{ 8, 6, 3 },
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{ 8, 5, 5 },
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{ 8, 5, 0 },
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/* 8 bit codewords */
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{ 8, 6, 4 },
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{ 8, 0, 5 },
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{ 8, 4, 6 },
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{ 8, 7, 1 },
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{ 8, 7, 2 },
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{ 8, 2, 7 },
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{ 8, 6, 5 },
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{ 8, 7, 3 },
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/* 8/9/10 bit codewords */
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{ 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 },
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{ 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 },
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{ 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 },
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{ 9, 6, 6 }, { 9, 6, 6 },
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{ 9, 7, 4 }, { 9, 7, 4 },
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{ 9, 6, 0 }, { 9, 6, 0 },
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{ 9, 4, 7 }, { 9, 4, 7 },
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{ 9, 0, 6 }, { 9, 0, 6 },
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{ 9, 7, 5 }, { 9, 7, 5 },
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{ 9, 7, 6 }, { 9, 7, 6 },
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{ 9, 6, 7 }, { 9, 6, 7 },
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{ 10, 5, 7 },
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{ 10, 7, 0 },
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{ 10, 0, 7 },
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{ 10, 7, 7 }
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};
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