65de1cc6af
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7699 a1c6a512-1295-4272-9138-f99709370657
309 lines
7.5 KiB
C
309 lines
7.5 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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** $Id$
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**/
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/* 2-step huffman table HCB_10 */
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/* 1st step: 6 bits
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* 2^6 = 64 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 hcb10_1[] = {
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/* 4 bit codewords */
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{ /* 000000 */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* */ 0, 0 },
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{ /* 000100 */ 1, 0 },
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{ /* */ 1, 0 },
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{ /* */ 1, 0 },
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{ /* */ 1, 0 },
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{ /* 001000 */ 2, 0 },
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{ /* */ 2, 0 },
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{ /* */ 2, 0 },
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{ /* */ 2, 0 },
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/* 5 bit codewords */
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{ /* 001100 */ 3, 0 },
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{ /* */ 3, 0 },
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{ /* 001110 */ 4, 0 },
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{ /* */ 4, 0 },
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{ /* 010000 */ 5, 0 },
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{ /* */ 5, 0 },
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{ /* 010010 */ 6, 0 },
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{ /* */ 6, 0 },
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{ /* 010100 */ 7, 0 },
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{ /* */ 7, 0 },
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{ /* 010110 */ 8, 0 },
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{ /* */ 8, 0 },
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{ /* 011000 */ 9, 0 },
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{ /* */ 9, 0 },
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{ /* 011010 */ 10, 0 },
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{ /* */ 10, 0 },
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/* 6 bit codewords */
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{ /* 011100 */ 11, 0 },
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{ /* 011101 */ 12, 0 },
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{ /* 011110 */ 13, 0 },
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{ /* 011111 */ 14, 0 },
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{ /* 100000 */ 15, 0 },
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{ /* 100001 */ 16, 0 },
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{ /* 100010 */ 17, 0 },
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{ /* 100011 */ 18, 0 },
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{ /* 100100 */ 19, 0 },
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{ /* 100101 */ 20, 0 },
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{ /* 100110 */ 21, 0 },
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{ /* 100111 */ 22, 0 },
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{ /* 101000 */ 23, 0 },
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{ /* 101001 */ 24, 0 },
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/* 7 bit codewords */
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{ /* 101010 */ 25, 1 },
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{ /* 101011 */ 27, 1 },
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{ /* 101100 */ 29, 1 },
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{ /* 101101 */ 31, 1 },
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{ /* 101110 */ 33, 1 },
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{ /* 101111 */ 35, 1 },
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{ /* 110000 */ 37, 1 },
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{ /* 110001 */ 39, 1 },
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/* 7/8 bit codewords */
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{ /* 110010 */ 41, 2 },
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/* 8 bit codewords */
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{ /* 110011 */ 45, 2 },
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{ /* 110100 */ 49, 2 },
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{ /* 110101 */ 53, 2 },
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{ /* 110110 */ 57, 2 },
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{ /* 110111 */ 61, 2 },
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/* 8/9 bit codewords */
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{ /* 111000 */ 65, 3 },
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/* 9 bit codewords */
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{ /* 111001 */ 73, 3 },
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{ /* 111010 */ 81, 3 },
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{ /* 111011 */ 89, 3 },
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/* 9/10 bit codewords */
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{ /* 111100 */ 97, 4 },
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/* 10 bit codewords */
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{ /* 111101 */ 113, 4 },
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{ /* 111110 */ 129, 4 },
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/* 10/11/12 bit codewords */
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{ /* 111111 */ 145, 6 }
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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 hcb10_2[] = {
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/* 4 bit codewords */
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{ 4, 1, 1 },
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{ 4, 1, 2 },
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{ 4, 2, 1 },
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/* 5 bit codewords */
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{ 5, 2, 2 },
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{ 5, 1, 0 },
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{ 5, 0, 1 },
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{ 5, 1, 3 },
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{ 5, 3, 2 },
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{ 5, 3, 1 },
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{ 5, 2, 3 },
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{ 5, 3, 3 },
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/* 6 bit codewords */
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{ 6, 2, 0 },
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{ 6, 0, 2 },
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{ 6, 2, 4 },
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{ 6, 4, 2 },
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{ 6, 1, 4 },
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{ 6, 4, 1 },
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{ 6, 0, 0 },
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{ 6, 4, 3 },
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{ 6, 3, 4 },
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{ 6, 3, 0 },
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{ 6, 0, 3 },
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{ 6, 4, 4 },
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{ 6, 2, 5 },
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{ 6, 5, 2 },
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/* 7 bit codewords */
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{ 7, 1, 5 },
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{ 7, 5, 1 },
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{ 7, 5, 3 },
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{ 7, 3, 5 },
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{ 7, 5, 4 },
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{ 7, 4, 5 },
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{ 7, 6, 2 },
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{ 7, 2, 6 },
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{ 7, 6, 3 },
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{ 7, 4, 0 },
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{ 7, 6, 1 },
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{ 7, 0, 4 },
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{ 7, 1, 6 },
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{ 7, 3, 6 },
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{ 7, 5, 5 },
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{ 7, 6, 4 },
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/* 7/8 bit codewords */
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{ 7, 4, 6 }, { 7, 4, 6 },
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{ 8, 6, 5 },
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{ 8, 7, 2 },
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/* 8 bit codewords */
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{ 8, 3, 7 },
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{ 8, 2, 7 },
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{ 8, 5, 6 },
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{ 8, 8, 2 },
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{ 8, 7, 3 },
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{ 8, 5, 0 },
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{ 8, 7, 1 },
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{ 8, 0, 5 },
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{ 8, 8, 1 },
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{ 8, 1, 7 },
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{ 8, 8, 3 },
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{ 8, 7, 4 },
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{ 8, 4, 7 },
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{ 8, 2, 8 },
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{ 8, 6, 6 },
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{ 8, 7, 5 },
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{ 8, 1, 8 },
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{ 8, 3, 8 },
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{ 8, 8, 4 },
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{ 8, 4, 8 },
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/* 8/9 bit codewords */
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{ 8, 5, 7 }, { 8, 5, 7 },
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{ 8, 8, 5 }, { 8, 8, 5 },
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{ 8, 5, 8 }, { 8, 5, 8 },
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{ 9, 7, 6 },
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{ 9, 6, 7 },
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/* 9 bit codewords */
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{ 9, 9, 2 },
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{ 9, 6, 0 },
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{ 9, 6, 8 },
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{ 9, 9, 3 },
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{ 9, 3, 9 },
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{ 9, 9, 1 },
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{ 9, 2, 9 },
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{ 9, 0, 6 },
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{ 9, 8, 6 },
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{ 9, 9, 4 },
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{ 9, 4, 9 },
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{ 9, 10, 2 },
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{ 9, 1, 9 },
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{ 9, 7, 7 },
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{ 9, 8, 7 },
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{ 9, 9, 5 },
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{ 9, 7, 8 },
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{ 9, 10, 3 },
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{ 9, 5, 9 },
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{ 9, 10, 4 },
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{ 9, 2, 10 },
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{ 9, 10, 1 },
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{ 9, 3, 10 },
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{ 9, 9, 6 },
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/* 9/10 bit codewords */
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{ 9, 6, 9 }, { 9, 6, 9 },
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{ 9, 8, 0 }, { 9, 8, 0 },
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{ 9, 4, 10 }, { 9, 4, 10 },
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{ 9, 7, 0 }, { 9, 7, 0 },
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{ 9, 11, 2 }, { 9, 11, 2 },
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{ 10, 7, 9 },
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{ 10, 11, 3 },
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{ 10, 10, 6 },
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{ 10, 1, 10 },
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{ 10, 11, 1 },
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{ 10, 9, 7 },
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/* 10 bit codewords */
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{ 10, 0, 7 },
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{ 10, 8, 8 },
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{ 10, 10, 5 },
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{ 10, 3, 11 },
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{ 10, 5, 10 },
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{ 10, 8, 9 },
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{ 10, 11, 5 },
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{ 10, 0, 8 },
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{ 10, 11, 4 },
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{ 10, 2, 11 },
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{ 10, 7, 10 },
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{ 10, 6, 10 },
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{ 10, 10, 7 },
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{ 10, 4, 11 },
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{ 10, 1, 11 },
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{ 10, 12, 2 },
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{ 10, 9, 8 },
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{ 10, 12, 3 },
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{ 10, 11, 6 },
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{ 10, 5, 11 },
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{ 10, 12, 4 },
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{ 10, 11, 7 },
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{ 10, 12, 5 },
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{ 10, 3, 12 },
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{ 10, 6, 11 },
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{ 10, 9, 0 },
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{ 10, 10, 8 },
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{ 10, 10, 0 },
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{ 10, 12, 1 },
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{ 10, 0, 9 },
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{ 10, 4, 12 },
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{ 10, 9, 9 },
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/* 10/11/12 bit codewords */
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{ 10, 12, 6 }, { 10, 12, 6 }, { 10, 12, 6 }, { 10, 12, 6 },
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{ 10, 2, 12 }, { 10, 2, 12 }, { 10, 2, 12 }, { 10, 2, 12 },
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{ 10, 8, 10 }, { 10, 8, 10 }, { 10, 8, 10 }, { 10, 8, 10 },
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{ 11, 9, 10 }, { 11, 9, 10 },
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{ 11, 1, 12 }, { 11, 1, 12 },
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{ 11, 11, 8 }, { 11, 11, 8 },
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{ 11, 12, 7 }, { 11, 12, 7 },
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{ 11, 7, 11 }, { 11, 7, 11 },
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{ 11, 5, 12 }, { 11, 5, 12 },
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{ 11, 6, 12 }, { 11, 6, 12 },
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{ 11, 10, 9 }, { 11, 10, 9 },
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{ 11, 8, 11 }, { 11, 8, 11 },
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{ 11, 12, 8 }, { 11, 12, 8 },
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{ 11, 0, 10 }, { 11, 0, 10 },
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{ 11, 7, 12 }, { 11, 7, 12 },
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{ 11, 11, 0 }, { 11, 11, 0 },
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{ 11, 10, 10 }, { 11, 10, 10 },
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{ 11, 11, 9 }, { 11, 11, 9 },
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{ 11, 11, 10 }, { 11, 11, 10 },
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{ 11, 0, 11 }, { 11, 0, 11 },
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{ 11, 11, 11 }, { 11, 11, 11 },
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{ 11, 9, 11 }, { 11, 9, 11 },
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{ 11, 10, 11 }, { 11, 10, 11 },
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{ 11, 12, 0 }, { 11, 12, 0 },
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{ 11, 8, 12 }, { 11, 8, 12 },
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{ 12, 12, 9 },
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{ 12, 10, 12 },
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{ 12, 9, 12 },
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{ 12, 11, 12 },
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{ 12, 12, 11 },
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{ 12, 0, 12 },
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{ 12, 12, 10 },
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{ 12, 12, 12 }
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};
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