xref: /third_party/lame/mpglib/common.h

/*
 * Copyright (C) 1999-2010 The L.A.M.E. project
 *
 * Initially written by Michael Hipp, see also AUTHORS and README.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */


#ifndef COMMON_H_INCLUDED
#define COMMON_H_INCLUDED

#include "mpglib/mpg123.h"
#include "mpglib.h"

extern const int tabsel_123[2][3][16];
extern const long freqs[9];

extern real muls[27][64];


int     head_check(unsigned long head, int check_layer);
int     decode_header(PMPSTR mp, struct frame *fr, unsigned long newhead);
unsigned int getbits(PMPSTR mp, int number_of_bits);
unsigned int getbits_fast(PMPSTR mp, int number_of_bits);
unsigned char get_leq_8_bits(PMPSTR mp, unsigned int number_of_bits);
unsigned short get_leq_16_bits(PMPSTR mp, unsigned int number_of_bits);
int     set_pointer(PMPSTR mp, long backstep);

#endif