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/*
* 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 MPG123_H_INCLUDED
#define MPG123_H_INCLUDED
#include <stdio.h>
#ifdef STDC_HEADERS
# include <string.h>
#else
# ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
# endif
char *strchr(), *strrchr();
# ifndef HAVE_MEMCPY
# define memcpy(d, s, n) bcopy ((s), (d), (n))
# define memmove(d, s, n) bcopy ((s), (d), (n))
# endif
#endif
#include <signal.h>
#if defined(__riscos__) && defined(FPA10)
#include "ymath.h"
#else
#include <math.h>
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef M_SQRT2
#define M_SQRT2 1.41421356237309504880
#endif
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#undef REAL_IS_FLOAT
#define REAL_IS_FLOAT
#ifdef REAL_IS_FLOAT
# define real float
#elif defined(REAL_IS_LONG_DOUBLE)
# define real long double
#else
# define real double
#endif
#define FALSE 0
#define TRUE 1
#define SBLIMIT 32
#define SSLIMIT 18
#define MPG_MD_STEREO 0
#define MPG_MD_JOINT_STEREO 1
#define MPG_MD_DUAL_CHANNEL 2
#define MPG_MD_MONO 3
#define MAXFRAMESIZE 2880
/* AF: ADDED FOR LAYER1/LAYER2 */
#define SCALE_BLOCK 12
/* Pre Shift fo 16 to 8 bit converter table */
#define AUSHIFT (3)
struct frame {
int stereo;
int jsbound;
int single; /* single channel (monophonic) */
int lsf; /* 0 = MPEG-1, 1 = MPEG-2/2.5 */
int mpeg25; /* 1 = MPEG-2.5, 0 = MPEG-1/2 */
int header_change;
int lay; /* Layer */
int error_protection; /* 1 = CRC-16 code following header */
int bitrate_index;
int sampling_frequency; /* sample rate of decompressed audio in Hz */
int padding;
int extension;
int mode;
int mode_ext;
int copyright;
int original;
int emphasis;
int framesize; /* computed framesize */
/* AF: ADDED FOR LAYER1/LAYER2 */
int II_sblimit;
struct al_table2 const *alloc;
int down_sample_sblimit;
int down_sample;
};
struct gr_info_s {
int scfsi;
unsigned part2_3_length;
unsigned big_values;
unsigned scalefac_compress;
unsigned block_type;
unsigned mixed_block_flag;
unsigned table_select[3];
unsigned subblock_gain[3];
unsigned maxband[3];
unsigned maxbandl;
unsigned maxb;
unsigned region1start;
unsigned region2start;
unsigned preflag;
unsigned scalefac_scale;
unsigned count1table_select;
real *full_gain[3];
real *pow2gain;
};
struct III_sideinfo {
unsigned main_data_begin;
unsigned private_bits;
struct {
struct gr_info_s gr[2];
} ch[2];
};
#endif
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