hcb_2.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_2.h,v 1.2 2005/11/01 21:41:43 gabest Exp $
- **/
- /* 2-step huffman table HCB_2 */
- /* 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 hcb2_1[] = {
- { /* 00000 */ 0, 0 },
- { /* */ 0, 0 },
- { /* */ 0, 0 },
- { /* */ 0, 0 },
- { /* 00100 */ 1, 0 },
- { /* */ 1, 0 },
- { /* 00110 */ 2, 0 },
- { /* 00111 */ 3, 0 },
- { /* 01000 */ 4, 0 },
- { /* 01001 */ 5, 0 },
- { /* 01010 */ 6, 0 },
- { /* 01011 */ 7, 0 },
- { /* 01100 */ 8, 0 },
- /* 6 bit codewords */
- { /* 01101 */ 9, 1 },
- { /* 01110 */ 11, 1 },
- { /* 01111 */ 13, 1 },
- { /* 10000 */ 15, 1 },
- { /* 10001 */ 17, 1 },
- { /* 10010 */ 19, 1 },
- { /* 10011 */ 21, 1 },
- { /* 10100 */ 23, 1 },
- { /* 10101 */ 25, 1 },
- { /* 10110 */ 27, 1 },
- { /* 10111 */ 29, 1 },
- { /* 11000 */ 31, 1 },
- /* 7 bit codewords */
- { /* 11001 */ 33, 2 },
- { /* 11010 */ 37, 2 },
- { /* 11011 */ 41, 2 },
- /* 7/8 bit codewords */
- { /* 11100 */ 45, 3 },
- /* 8 bit codewords */
- { /* 11101 */ 53, 3 },
- { /* 11110 */ 61, 3 },
- /* 8/9 bit codewords */
- { /* 11111 */ 69, 4 }
- };
- /* 2nd step table
- *
- * Gives size of codeword and actual data (x,y,v,w)
- */
- static hcb_2_quad hcb2_2[] = {
- /* 3 bit codeword */
- { 3, 0, 0, 0, 0 },
- /* 4 bit codeword */
- { 4, 1, 0, 0, 0 },
- /* 5 bit codewords */
- { 5, -1, 0, 0, 0 },
- { 5, 0, 0, 0, 1 },
- { 5, 0, 0, -1, 0 },
- { 5, 0, 0, 0, -1 },
- { 5, 0, -1, 0, 0 },
- { 5, 0, 0, 1, 0 },
- { 5, 0, 1, 0, 0 },
- /* 6 bit codewords */
- { 6, 0, -1, 1, 0 },
- { 6, -1, 1, 0, 0 },
- { 6, 0, 1, -1, 0 },
- { 6, 0, 0, 1, -1 },
- { 6, 0, 1, 0, -1 },
- { 6, 0, 0, -1, 1 },
- { 6, -1, 0, 0, -1 },
- { 6, 1, -1, 0, 0 },
- { 6, 1, 0, -1, 0 },
- { 6, -1, -1, 0, 0 },
- { 6, 0, 0, -1, -1 },
- { 6, 1, 0, 1, 0 },
- { 6, 1, 0, 0, 1 },
- { 6, 0, -1, 0, 1 },
- { 6, -1, 0, 1, 0 },
- { 6, 0, 1, 0, 1 },
- { 6, 0, -1, -1, 0 },
- { 6, -1, 0, 0, 1 },
- { 6, 0, -1, 0, -1 },
- { 6, -1, 0, -1, 0 },
- { 6, 1, 1, 0, 0 },
- { 6, 0, 1, 1, 0 },
- { 6, 0, 0, 1, 1 },
- { 6, 1, 0, 0, -1 },
- /* 7 bit codewords */
- { 7, 0, 1, -1, 1 },
- { 7, 1, 0, -1, 1 },
- { 7, -1, 1, -1, 0 },
- { 7, 0, -1, 1, -1 },
- { 7, 1, -1, 1, 0 },
- { 7, 1, 1, 0, -1 },
- { 7, 1, 0, 1, 1 },
- { 7, -1, 1, 1, 0 },
- { 7, 0, -1, -1, 1 },
- { 7, 1, 1, 1, 0 },
- { 7, -1, 0, 1, -1 },
- { 7, -1, -1, -1, 0 },
- /* 7/8 bit codewords */
- { 7, -1, 0, -1, 1 }, { 7, -1, 0, -1, 1 },
- { 7, 1, -1, -1, 0 }, { 7, 1, -1, -1, 0 },
- { 7, 1, 1, -1, 0 }, { 7, 1, 1, -1, 0 },
- { 8, 1, -1, 0, 1 },
- { 8, -1, 1, 0, -1 },
- /* 8 bit codewords */
- { 8, -1, -1, 1, 0 },
- { 8, -1, 0, 1, 1 },
- { 8, -1, -1, 0, 1 },
- { 8, -1, -1, 0, -1 },
- { 8, 0, -1, -1, -1 },
- { 8, 1, 0, 1, -1 },
- { 8, 1, 0, -1, -1 },
- { 8, 0, 1, -1, -1 },
- { 8, 0, 1, 1, 1 },
- { 8, -1, 1, 0, 1 },
- { 8, -1, 0, -1, -1 },
- { 8, 0, 1, 1, -1 },
- { 8, 1, -1, 0, -1 },
- { 8, 0, -1, 1, 1 },
- { 8, 1, 1, 0, 1 },
- { 8, 1, -1, 1, -1 },
- /* 8/9 bit codewords */
- { 8, -1, 1, -1, 1 }, { 8, -1, 1, -1, 1 },
- { 9, 1, -1, -1, 1 },
- { 9, -1, -1, -1, -1 },
- { 9, -1, 1, 1, -1 },
- { 9, -1, 1, 1, 1 },
- { 9, 1, 1, 1, 1 },
- { 9, -1, -1, 1, -1 },
- { 9, 1, -1, 1, 1 },
- { 9, -1, 1, -1, -1 },
- { 9, -1, -1, 1, 1 },
- { 9, 1, 1, -1, -1 },
- { 9, 1, -1, -1, -1 },
- { 9, -1, -1, -1, 1 },
- { 9, 1, 1, -1, 1 },
- { 9, 1, 1, 1, -1 }
- };