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/******************************************************************************
* *
* Copyright (C) 1992-1995 Tony Robinson *
* *
* See the file doc/LICENSE.shorten for conditions on distribution and usage *
* *
******************************************************************************/
/*
* $Id: shorten.h,v 1.4 2001/12/30 05:12:04 jason Exp $
*/
#ifndef _SHORTEN_H
#define _SHORTEN_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <pthread.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#else
# if SIZEOF_UNSIGNED_LONG == 4
# define uint32_t unsigned long
# define int32_t long
# else
# define uint32_t unsigned int
# define int32_t int
# endif
# define uint16_t unsigned short
# define uint8_t unsigned char
# define int16_t short
# define int8_t char
#endif
#undef ulong
#undef ushort
#undef uchar
#undef slong
#undef sshort
#undef schar
#undef uint
#define uint uint32_t
#define ulong uint32_t
#define ushort uint16_t
#define uchar uint8_t
#define slong int32_t
#define sshort int16_t
#define schar int8_t
#include "shn.h"
extern shn_file *shnfile;
#define MAGIC "ajkg"
#define FORMAT_VERSION 2
#define MIN_SUPPORTED_VERSION 1
#define MAX_SUPPORTED_VERSION 3
#define MAX_VERSION 7
#define UNDEFINED_UINT -1
#define DEFAULT_BLOCK_SIZE 256
#define DEFAULT_V0NMEAN 0
#define DEFAULT_V2NMEAN 4
#define DEFAULT_MAXNLPC 0
#define DEFAULT_NCHAN 1
#define DEFAULT_NSKIP 0
#define DEFAULT_NDISCARD 0
#define NBITPERLONG 32
#define DEFAULT_MINSNR 256
#define DEFAULT_MAXRESNSTR "32.0"
#define DEFAULT_QUANTERROR 0
#define MINBITRATE 2.5
#define MAX_LPC_ORDER 64
#define CHANSIZE 0
#define ENERGYSIZE 3
#define BITSHIFTSIZE 2
#define NWRAP 3
#define FNSIZE 2
#define FN_DIFF0 0
#define FN_DIFF1 1
#define FN_DIFF2 2
#define FN_DIFF3 3
#define FN_QUIT 4
#define FN_BLOCKSIZE 5
#define FN_BITSHIFT 6
#define FN_QLPC 7
#define FN_ZERO 8
#define FN_VERBATIM 9
#define VERBATIM_CKSIZE_SIZE 5 /* a var_put code size */
#define VERBATIM_BYTE_SIZE 8 /* code size 8 on single bytes means
* no compression at all */
#define VERBATIM_CHUNK_MAX 256 /* max. size of a FN_VERBATIM chunk */
#define ULONGSIZE 2
#define NSKIPSIZE 1
#define LPCQSIZE 2
#define LPCQUANT 5
#define XBYTESIZE 7
#define TYPESIZE 4
#define TYPE_AU1 0 /* original lossless ulaw */
#define TYPE_S8 1 /* signed 8 bit characters */
#define TYPE_U8 2 /* unsigned 8 bit characters */
#define TYPE_S16HL 3 /* signed 16 bit shorts: high-low */
#define TYPE_U16HL 4 /* unsigned 16 bit shorts: high-low */
#define TYPE_S16LH 5 /* signed 16 bit shorts: low-high */
#define TYPE_U16LH 6 /* unsigned 16 bit shorts: low-high */
#define TYPE_ULAW 7 /* lossy ulaw: internal conversion to linear */
#define TYPE_AU2 8 /* new ulaw with zero mapping */
#define TYPE_AU3 9 /* lossless alaw */
#define TYPE_ALAW 10 /* lossy alaw: internal conversion to linear */
#define TYPE_RIFF_WAVE 11 /* Microsoft .WAV files */
#define TYPE_EOF 12
#define TYPE_GENERIC_ULAW 128
#define TYPE_GENERIC_ALAW 129
#define POSITIVE_ULAW_ZERO 0xff
#define NEGATIVE_ULAW_ZERO 0x7f
#ifndef MAX_PATH
#define MAX_PATH 2048
#endif
#ifndef MIN
#define MIN(a,b) (((a)<(b))?(a):(b))
#endif
#ifndef MAX
#define MAX(a,b) (((a)>(b))?(a):(b))
#endif
#if defined(unix) && !defined(linux)
#define labs abs
#endif
#define ROUNDEDSHIFTDOWN(x, n) (((n) == 0) ? (x) : ((x) >> ((n) - 1)) >> 1)
#ifndef M_LN2
#define M_LN2 0.69314718055994530942
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
/* BUFSIZ must be a multiple of four to contain a whole number of words */
#ifdef BUFSIZ
#undef BUFSIZ
#endif
#define BUFSIZ 512
#define V2LPCQOFFSET (1 << LPCQUANT);
#define UINT_GET(nbit, shnfile) \
((version == 0) ? uvar_get(nbit, shnfile) : ulong_get(shnfile))
#define putc_exit(val, stream)\
{ char rval;\
if((rval = putc((val), (stream))) != (char) (val))\
complain("FATALERROR: write failed: putc returns EOF");\
}
extern int getc_exit_val;
#define getc_exit(stream)\
(((getc_exit_val = getc(stream)) == EOF) ? \
complain("FATALERROR: read failed: getc returns EOF"), 0: getc_exit_val)
/************************/
/* defined in shorten.c */
extern void init_offset(slong**, int, int, int);
extern int shorten(FILE*, FILE*, int, char**);
/**************************/
/* defined in Sulawalaw.c */
extern int Sulaw2lineartab[];
#define Sulaw2linear(i) (Sulaw2lineartab[i])
#ifndef Sulaw2linear
extern int Sulaw2linear(uchar);
#endif
extern uchar Slinear2ulaw(int);
extern int Salaw2lineartab[];
#define Salaw2linear(i) (Salaw2lineartab[i])
#ifndef Salaw2linear
extern int Salaw2linear(uchar);
#endif
extern uchar Slinear2alaw(int);
/**********************/
/* defined in fixio.c */
extern void init_sizeof_sample(void);
extern void fwrite_type_init(shn_file*);
extern void fwrite_type(slong**,int,int,int,shn_file*);
extern void fwrite_type_quit(shn_file*);
extern void fix_bitshift(slong*, int, int, int);
/**********************/
/* defined in vario.c */
extern void var_get_init(shn_file*);
extern slong uvar_get(int, shn_file*);
extern slong var_get(int, shn_file*);
extern ulong ulong_get(shn_file*);
extern void var_get_quit(shn_file*);
extern int sizeof_uvar(ulong, int);
extern int sizeof_var(slong, int);
extern void mkmasktab(void);
extern ulong word_get(shn_file*);
/**********************/
/* defined in array.c */
extern void* pmalloc(ulong, shn_file*);
extern slong** long2d(ulong, ulong, shn_file*);
#endif
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