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author | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2002-07-14 23:33:35 +0000 |
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committer | Miguel Freitas <miguelfreitas@users.sourceforge.net> | 2002-07-14 23:33:35 +0000 |
commit | 0ee981a355115c35cc9b6aa5066d6b7271c4b28a (patch) | |
tree | 4f7bb10a00f3478cf7d6a2437245c10cc3aeb336 /src/libfaad/codebook/hcb_2.c | |
parent | 775c694abe5e84d66e448864c0281bf569bf509c (diff) | |
download | xine-lib-0ee981a355115c35cc9b6aa5066d6b7271c4b28a.tar.gz xine-lib-0ee981a355115c35cc9b6aa5066d6b7271c4b28a.tar.bz2 |
merge FAAD2 - the GPL AAC decoder library.
xine_decoder.c is working, but demux_qt must send some needed
initialization data. currently it's hardcoded to play my test stream, so
it's not usable yet.
CVS patchset: 2266
CVS date: 2002/07/14 23:33:35
Diffstat (limited to 'src/libfaad/codebook/hcb_2.c')
-rw-r--r-- | src/libfaad/codebook/hcb_2.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/libfaad/codebook/hcb_2.c b/src/libfaad/codebook/hcb_2.c new file mode 100644 index 000000000..4b73932a7 --- /dev/null +++ b/src/libfaad/codebook/hcb_2.c @@ -0,0 +1,179 @@ +/* +** 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_2.c,v 1.1 2002/07/14 23:33:35 miguelfreitas Exp $ +**/ + +#include "../common.h" +#include "hcb.h" + +/* 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 + */ +extern 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) + */ +extern 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 } +}; |