From f40bfc9267b13b54e6379dfe7539447662879d24 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Sat, 25 Jun 2011 21:32:25 -0400 Subject: Add codecs to librbcodec. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97 Reviewed-on: http://gerrit.rockbox.org/137 Reviewed-by: Nils Wallménius Tested-by: Nils Wallménius --- lib/rbcodec/codecs/libmad/huffman.h | 66 +++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 lib/rbcodec/codecs/libmad/huffman.h (limited to 'lib/rbcodec/codecs/libmad/huffman.h') diff --git a/lib/rbcodec/codecs/libmad/huffman.h b/lib/rbcodec/codecs/libmad/huffman.h new file mode 100644 index 0000000000..e4c1b35d93 --- /dev/null +++ b/lib/rbcodec/codecs/libmad/huffman.h @@ -0,0 +1,66 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2004 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 + * + * $Id$ + */ + +# 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 -- cgit v1.2.3