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-rw-r--r--src/libfaad/codebook/hcb_4.c193
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diff --git a/src/libfaad/codebook/hcb_4.c b/src/libfaad/codebook/hcb_4.c
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-/*
-** FAAD - Freeware Advanced Audio Decoder
-** Copyright (C) 2002 M. Bakker
-**
-** 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.
-**
-** $Id: hcb_4.c,v 1.2 2002/12/16 18:58:58 miguelfreitas Exp $
-**/
-
-#include "../common.h"
-#include "hcb.h"
-
-/* 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
- */
-extern 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)
- */
-extern 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 },
-};
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 10:03:00 +0000