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authorWarren Dukes <warren.dukes@gmail.com>2004-02-23 23:41:20 +0000
committerWarren Dukes <warren.dukes@gmail.com>2004-02-23 23:41:20 +0000
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import from SF CVS
git-svn-id: https://svn.musicpd.org/mpd/trunk@1 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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-rw-r--r--src/libmad/huffman.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/libmad/huffman.h b/src/libmad/huffman.h
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+/*
+ * libmad - MPEG audio decoder library
+ * Copyright (C) 2000-2003 Underbit Technologies, Inc.
+ *
+ * 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: huffman.h,v 1.1 2003/08/14 03:57:13 shank Exp $
+ */
+
+# ifndef LIBMAD_HUFFMAN_H
+# define LIBMAD_HUFFMAN_H
+
+union huffquad {
+ struct {
+ unsigned short final : 1;
+ unsigned short bits : 3;
+ unsigned short offset : 12;
+ } ptr;
+ struct {
+ unsigned short final : 1;
+ unsigned short hlen : 3;
+ unsigned short v : 1;
+ unsigned short w : 1;
+ unsigned short x : 1;
+ unsigned short y : 1;
+ } value;
+ unsigned short final : 1;
+};
+
+union huffpair {
+ struct {
+ unsigned short final : 1;
+ unsigned short bits : 3;
+ unsigned short offset : 12;
+ } ptr;
+ struct {
+ unsigned short final : 1;
+ unsigned short hlen : 3;
+ unsigned short x : 4;
+ unsigned short y : 4;
+ } value;
+ unsigned short final : 1;
+};
+
+struct hufftable {
+ union huffpair const *table;
+ unsigned short linbits;
+ unsigned short startbits;
+};
+
+extern union huffquad const *const mad_huff_quad_table[2];
+extern struct hufftable const mad_huff_pair_table[32];
+
+# endif