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loop.h
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C/C++ Source or Header
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1999-06-03
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3KB
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91 lines
/**********************************************************************
* ISO MPEG Audio Subgroup Software Simulation Group (1996)
* ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension
*
* $Id: loop.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $
*
* $Log: loop.h,v $
* Revision 1.1 1996/02/14 04:04:23 rowlands
* Initial revision
*
* Received from Mike Coleman
**********************************************************************/
#ifndef LOOP_DOT_H
#define LOOP_DOT_H
#include "common.h"
#include "l3side.h"
/**********************************************************************
* date programmers comment *
* 25. 6.92 Toshiyuki Ishino Ver 1.0 *
* 29.10.92 Masahiro Iwadare Ver 2.0 *
* 17. 4.93 Masahiro Iwadare Updated for IS Modification *
* *
*********************************************************************/
extern int cont_flag;
#define e 2.71828182845
/*#define SBLIMIT 32*/
#define CBLIMIT 21
#define SFB_LMAX 22
#define SFB_SMAX 13
extern int pretab[];
struct scalefac_struct
{
int l[23];
int s[14];
};
extern struct scalefac_struct sfBandIndex[]; /* Table B.8 -- in loop.c */
void iteration_loop( double pe[][2], double ms_ratio[2],
double xr_org[2][2][576], III_psy_ratio *ratio,
III_side_info_t *l3_side, int l3_enc[2][2][576],
double xr_dec[2][2][576],
III_scalefac_t *scalefac, frame_params *fr_ps);
int nint( double in );
/* #define PI 3.1415926535 */
#define maximum(A,B) ( (A) > (B) ? (A) : (B) )
#define minimum(A,B) ( (A) < (B) ? (A) : (B) )
#define signum( A ) ( (A) > 0 ? 1 : -1 )
/* GLOBALE VARIABLE */
/*extern FILE *debp;
extern FILE *huffcp,*huffdp;
extern FILE *musicin,*cod_music;*/
/* Beachte:Partitonen nur fuer 48 kHz */
/* andere ev. fehlerhaft */
/* static int scalefac_band_long[22];
static int scalefac_band_short[13];
*/
/*static int huffman_tab_quad[2][16][2];
extern int bigv_cod_tab[17][2][16][16];
extern int bigv_dec_tab[17][512][5];
extern int bigv_root_node[17];
extern int count1_root_node[2];*/
/* extern int cod_tab_info[2][31]; */
/* in max spalte war um 1 zuviel */
/* [0][i] : maximalwert der Tabelle mit index i
[1][i] : anzahl der linbits der TAb. i */
extern int bit_buffer[50000];
#endif