ref: 75f5fdbb0df902d8d7e16a4489a04d92493eacae
dir: /sys/src/cmd/audio/mp3dec/bit.h/
/* * 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: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp $ */ # ifndef LIBMAD_BIT_H # define LIBMAD_BIT_H struct mad_bitptr { unsigned char const *byte; unsigned short cache; unsigned short left; }; void mad_bit_init(struct mad_bitptr *, unsigned char const *); # define mad_bit_finish(bitptr) /* nothing */ unsigned int mad_bit_length(struct mad_bitptr const *, struct mad_bitptr const *); # define mad_bit_bitsleft(bitptr) ((bitptr)->left) unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *); void mad_bit_skip(struct mad_bitptr *, unsigned int); unsigned long mad_bit_read(struct mad_bitptr *, unsigned int); void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long); unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short); # endif