hcb_8.h
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- /*
- ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
- ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
- **
- ** This program is free software; you can redistribute it and/or modify
- ** it under the terms of the GNU General Public License as published by
- ** the Free Software Foundation; either version 2 of the License, or
- ** (at your option) any later version.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **
- ** You should have received a copy of the GNU General Public License
- ** along with this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- **
- ** Any non-GPL usage of this software or parts of this software is strictly
- ** forbidden.
- **
- ** Commercial non-GPL licensing of this software is possible.
- ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
- **
- ** $Id: hcb_8.h,v 1.2 2005/11/01 21:41:43 gabest Exp $
- **/
- /* 2-step huffman table HCB_8 */
- /* 1st step: 5 bits
- * 2^5 = 32 entries
- *
- * Used to find offset into 2nd step table and number of extra bits to get
- */
- static hcb hcb8_1[] = {
- /* 3 bit codeword */
- { /* 00000 */ 0, 0 },
- { /* */ 0, 0 },
- { /* */ 0, 0 },
- { /* */ 0, 0 },
- /* 4 bit codewords */
- { /* 00100 */ 1, 0 },
- { /* */ 1, 0 },
- { /* 00110 */ 2, 0 },
- { /* */ 2, 0 },
- { /* 01000 */ 3, 0 },
- { /* */ 3, 0 },
- { /* 01010 */ 4, 0 },
- { /* */ 4, 0 },
- { /* 01100 */ 5, 0 },
- { /* */ 5, 0 },
- /* 5 bit codewords */
- { /* 01110 */ 6, 0 },
- { /* 01111 */ 7, 0 },
- { /* 10000 */ 8, 0 },
- { /* 10001 */ 9, 0 },
- { /* 10010 */ 10, 0 },
- { /* 10011 */ 11, 0 },
- { /* 10100 */ 12, 0 },
- /* 6 bit codewords */
- { /* 10101 */ 13, 1 },
- { /* 10110 */ 15, 1 },
- { /* 10111 */ 17, 1 },
- { /* 11000 */ 19, 1 },
- { /* 11001 */ 21, 1 },
- /* 7 bit codewords */
- { /* 11010 */ 23, 2 },
- { /* 11011 */ 27, 2 },
- { /* 11100 */ 31, 2 },
- /* 7/8 bit codewords */
- { /* 11101 */ 35, 3 },
- /* 8 bit codewords */
- { /* 11110 */ 43, 3 },
- /* 8/9/10 bit codewords */
- { /* 11111 */ 51, 5 }
- };
- /* 2nd step table
- *
- * Gives size of codeword and actual data (x,y,v,w)
- */
- static hcb_2_pair hcb8_2[] = {
- /* 3 bit codeword */
- { 3, 1, 1 },
- /* 4 bit codewords */
- { 4, 2, 1 },
- { 4, 1, 0 },
- { 4, 1, 2 },
- { 4, 0, 1 },
- { 4, 2, 2 },
- /* 5 bit codewords */
- { 5, 0, 0 },
- { 5, 2, 0 },
- { 5, 0, 2 },
- { 5, 3, 1 },
- { 5, 1, 3 },
- { 5, 3, 2 },
- { 5, 2, 3 },
- /* 6 bit codewords */
- { 6, 3, 3 },
- { 6, 4, 1 },
- { 6, 1, 4 },
- { 6, 4, 2 },
- { 6, 2, 4 },
- { 6, 3, 0 },
- { 6, 0, 3 },
- { 6, 4, 3 },
- { 6, 3, 4 },
- { 6, 5, 2 },
- /* 7 bit codewords */
- { 7, 5, 1 },
- { 7, 2, 5 },
- { 7, 1, 5 },
- { 7, 5, 3 },
- { 7, 3, 5 },
- { 7, 4, 4 },
- { 7, 5, 4 },
- { 7, 0, 4 },
- { 7, 4, 5 },
- { 7, 4, 0 },
- { 7, 2, 6 },
- { 7, 6, 2 },
- /* 7/8 bit codewords */
- { 7, 6, 1 }, { 7, 6, 1 },
- { 7, 1, 6 }, { 7, 1, 6 },
- { 8, 3, 6 },
- { 8, 6, 3 },
- { 8, 5, 5 },
- { 8, 5, 0 },
- /* 8 bit codewords */
- { 8, 6, 4 },
- { 8, 0, 5 },
- { 8, 4, 6 },
- { 8, 7, 1 },
- { 8, 7, 2 },
- { 8, 2, 7 },
- { 8, 6, 5 },
- { 8, 7, 3 },
- /* 8/9/10 bit codewords */
- { 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 }, { 8, 1, 7 },
- { 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 }, { 8, 5, 6 },
- { 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 }, { 8, 3, 7 },
- { 9, 6, 6 }, { 9, 6, 6 },
- { 9, 7, 4 }, { 9, 7, 4 },
- { 9, 6, 0 }, { 9, 6, 0 },
- { 9, 4, 7 }, { 9, 4, 7 },
- { 9, 0, 6 }, { 9, 0, 6 },
- { 9, 7, 5 }, { 9, 7, 5 },
- { 9, 7, 6 }, { 9, 7, 6 },
- { 9, 6, 7 }, { 9, 6, 7 },
- { 10, 5, 7 },
- { 10, 7, 0 },
- { 10, 0, 7 },
- { 10, 7, 7 }
- };