/*
(c) Copyright 1998-2000 - Tord Jansson
======================================
This file is part of the BladeEnc MP3 Encoder, based on
ISO's reference code for MPEG Layer 3 compression, and might
contain smaller or larger sections that are directly taken
from ISO's reference code.
All changes to the ISO reference code herein are either
copyrighted by Tord Jansson ([email protected])
or sublicensed to Tord Jansson by a third party.
BladeEnc is free software; you can redistribute this file
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
------------ Changes ------------
2000-12-11 Andre Piotrowski
- reformatted, redesigned
*/
/**********************************************************************
* 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
**********************************************************************/
/**********************************************************************
* 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 *
* *
*********************************************************************/
#ifndef __LOOP__
#define __LOOP__
#include "common.h"
#include "l3side.h"
/* #define SBLIMIT 32 */
#define CBLIMIT 21
#define SFB_LMAX 22
#define SFB_SMAX 13
extern int fInit_iteration_loop;
/* NOT NEEDED
extern int fInit_huffman_read_flag;
*/
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 xr_org[2][2][576],
III_psy_ratio *ratio,
III_side_info_t *l3_side,
int l3_enc[2][2][576],
int mean_bits,
int stereo,
double xr_dec[2][2][576],
III_scalefac_t *scalefac,
frame_params *fr_ps,
int ancillary_pad,
int bitsPerFrame
);
int my_nint (double in);
void fixStatic_loop (void);
void genNoisePowTab (void);
#endif /* __LOOP__ */
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