199 lines · 7.6 KB · C
RawDownload
/*** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding** Copyright (C) 2003-2005 M. Bakker, Nero 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.**** The "appropriate copyright message" mentioned in section 2c of the GPLv2** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"**** Commercial non-GPL licensing of this software is possible.** For more info contact Nero AG through Mpeg4AAClicense@nero.com.**** $Id: hcb_4.h,v 1.5 2007/11/01 12:34:11 menno Exp $**/ /* 2-step huffman table HCB_4 */  /* 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 hcb4_1[] = {    /* 4 bit codewords */    { /* 00000 */ 0, 0 },    { /*       */ 0, 0 },    { /* 00010 */ 1, 0 },    { /*       */ 1, 0 },    { /* 00100 */ 2, 0 },    { /*       */ 2, 0 },    { /* 00110 */ 3, 0 },    { /*       */ 3, 0 },    { /* 01000 */ 4, 0 },    { /*       */ 4, 0 },    { /* 01010 */ 5, 0 },    { /*       */ 5, 0 },    { /* 01100 */ 6, 0 },    { /*       */ 6, 0 },    { /* 01110 */ 7, 0 },    { /*       */ 7, 0 },    { /* 10000 */ 8, 0 },    { /*       */ 8, 0 },    { /* 10010 */ 9, 0 },    { /*       */ 9, 0 },     /* 5 bit codewords */    { /* 10100 */ 10, 0 },    { /* 10101 */ 11, 0 },    { /* 10110 */ 12, 0 },    { /* 10111 */ 13, 0 },    { /* 11000 */ 14, 0 },    { /* 11001 */ 15, 0 },     /* 7 bit codewords */    { /* 11010 */ 16, 2 },    { /* 11011 */ 20, 2 },     /* 7/8 bit codewords */    { /* 11100 */ 24, 3 },     /* 8 bit codewords */    { /* 11101 */ 32, 3 },     /* 8/9 bit codewords */    { /* 11110 */ 40, 4 },     /* 9/10/11/12 bit codewords */    { /* 11111 */ 56, 7 }}; /* 2nd step table * * Gives size of codeword and actual data (x,y,v,w) */static hcb_2_quad hcb4_2[] = {    /* 4 bit codewords */    { 4,  1,  1,  1,  1 },    { 4,  0,  1,  1,  1 },    { 4,  1,  1,  0,  1 },    { 4,  1,  1,  1,  0 },    { 4,  1,  0,  1,  1 },    { 4,  1,  0,  0,  0 },    { 4,  1,  1,  0,  0 },    { 4,  0,  0,  0,  0 },    { 4,  0,  0,  1,  1 },    { 4,  1,  0,  1,  0 },     /* 5 bit codewords */    { 5,  1,  0,  0,  1 },    { 5,  0,  1,  1,  0 },    { 5,  0,  0,  0,  1 },    { 5,  0,  1,  0,  1 },    { 5,  0,  0,  1,  0 },    { 5,  0,  1,  0,  0 },     /* 7 bit codewords */    /* first 5 bits: 11010 */    { 7,  2,  1,  1,  1 },    { 7,  1,  1,  2,  1 },    { 7,  1,  2,  1,  1 },    { 7,  1,  1,  1,  2 },    /* first 5 bits: 11011 */    { 7,  2,  1,  1,  0 },    { 7,  2,  1,  0,  1 },    { 7,  1,  2,  1,  0 },    { 7,  2,  0,  1,  1 },     /* 7/8 bit codewords */    /* first 5 bits: 11100 */    { 7,  0,  1,  2,  1 }, { 7,  0,  1,  2,  1 },    { 8,  0,  1,  1,  2 },    { 8,  1,  1,  2,  0 },    { 8,  0,  2,  1,  1 },    { 8,  1,  0,  1,  2 },    { 8,  1,  2,  0,  1 },    { 8,  1,  1,  0,  2 },     /* 8 bit codewords */    { 8,  1,  0,  2,  1 },    { 8,  2,  1,  0,  0 },    { 8,  2,  0,  1,  0 },    { 8,  1,  2,  0,  0 },    { 8,  2,  0,  0,  1 },    { 8,  0,  1,  0,  2 },    { 8,  0,  2,  1,  0 },    { 8,  0,  0,  1,  2 },     /* 8/9 bit codewords */    { 8,  0,  1,  2,  0 }, { 8,  0,  1,  2,  0 },    { 8,  0,  2,  0,  1 }, { 8,  0,  2,  0,  1 },    { 8,  1,  0,  0,  2 }, { 8,  1,  0,  0,  2 },    { 8,  0,  0,  2,  1 }, { 8,  0,  0,  2,  1 },    { 8,  1,  0,  2,  0 }, { 8,  1,  0,  2,  0 },    { 8,  2,  0,  0,  0 }, { 8,  2,  0,  0,  0 },    { 8,  0,  0,  0,  2 }, { 8,  0,  0,  0,  2 },    { 9,  0,  2,  0,  0 },    { 9,  0,  0,  2,  0 },     /* 9/10/11 bit codewords */    /* 9 bit codewords repeated 2^3 = 8 times */    { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 },    { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 }, { 9,  1,  2,  2,  1 },    { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 },    { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 }, { 9,  2,  2,  1,  1 },    { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 },    { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 }, { 9,  2,  1,  2,  1 },    { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 },    { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 }, { 9,  1,  1,  2,  2 },    { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 },    { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 }, { 9,  1,  2,  1,  2 },    { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 },    { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 }, { 9,  2,  1,  1,  2 },    /* 10 bit codewords repeated 2^2 = 4 times */    { 10,  1,  2,  2,  0 }, { 10,  1,  2,  2,  0 }, { 10,  1,  2,  2,  0 }, { 10,  1,  2,  2,  0 },    { 10,  2,  2,  1,  0 }, { 10,  2,  2,  1,  0 }, { 10,  2,  2,  1,  0 }, { 10,  2,  2,  1,  0 },    { 10,  2,  1,  2,  0 }, { 10,  2,  1,  2,  0 }, { 10,  2,  1,  2,  0 }, { 10,  2,  1,  2,  0 },    { 10,  0,  2,  2,  1 }, { 10,  0,  2,  2,  1 }, { 10,  0,  2,  2,  1 }, { 10,  0,  2,  2,  1 },    { 10,  0,  1,  2,  2 }, { 10,  0,  1,  2,  2 }, { 10,  0,  1,  2,  2 }, { 10,  0,  1,  2,  2 },    { 10,  2,  2,  0,  1 }, { 10,  2,  2,  0,  1 }, { 10,  2,  2,  0,  1 }, { 10,  2,  2,  0,  1 },    { 10,  0,  2,  1,  2 }, { 10,  0,  2,  1,  2 }, { 10,  0,  2,  1,  2 }, { 10,  0,  2,  1,  2 },    { 10,  2,  0,  2,  1 }, { 10,  2,  0,  2,  1 }, { 10,  2,  0,  2,  1 }, { 10,  2,  0,  2,  1 },    { 10,  1,  0,  2,  2 }, { 10,  1,  0,  2,  2 }, { 10,  1,  0,  2,  2 }, { 10,  1,  0,  2,  2 },    { 10,  2,  2,  2,  1 }, { 10,  2,  2,  2,  1 }, { 10,  2,  2,  2,  1 }, { 10,  2,  2,  2,  1 },    { 10,  1,  2,  0,  2 }, { 10,  1,  2,  0,  2 }, { 10,  1,  2,  0,  2 }, { 10,  1,  2,  0,  2 },    { 10,  2,  0,  1,  2 }, { 10,  2,  0,  1,  2 }, { 10,  2,  0,  1,  2 }, { 10,  2,  0,  1,  2 },    { 10,  2,  1,  0,  2 }, { 10,  2,  1,  0,  2 }, { 10,  2,  1,  0,  2 }, { 10,  2,  1,  0,  2 },    { 10,  1,  2,  2,  2 }, { 10,  1,  2,  2,  2 }, { 10,  1,  2,  2,  2 }, { 10,  1,  2,  2,  2 },    /* 11 bit codewords repeated 2^1 = 2 times */    { 11,  2,  1,  2,  2 }, { 11,  2,  1,  2,  2 },    { 11,  2,  2,  1,  2 }, { 11,  2,  2,  1,  2 },    { 11,  0,  2,  2,  0 }, { 11,  0,  2,  2,  0 },    { 11,  2,  2,  0,  0 }, { 11,  2,  2,  0,  0 },    { 11,  0,  0,  2,  2 }, { 11,  0,  0,  2,  2 },    { 11,  2,  0,  2,  0 }, { 11,  2,  0,  2,  0 },    { 11,  0,  2,  0,  2 }, { 11,  0,  2,  0,  2 },    { 11,  2,  0,  0,  2 }, { 11,  2,  0,  0,  2 },    { 11,  2,  2,  2,  2 }, { 11,  2,  2,  2,  2 },    { 11,  0,  2,  2,  2 }, { 11,  0,  2,  2,  2 },    { 11,  2,  2,  2,  0 }, { 11,  2,  2,  2,  0 },    /* 12 bit codewords */    { 12,  2,  2,  0,  2 },    { 12,  2,  0,  2,  2 },};

Keyboard shortcuts

General

Show keyboard shortcuts
?
Focus the current search
/

Issues and pull requests

Open filters
f

Issues, pull requests and Inbox

Select next item
j↓
Select previous item
k↑
Open selected item
Enter
Dismiss filters or clear selection
Esc

Repository code

Go to file
t