www.pudn.com > bladeenc-0.90.0-src.zip > mdct.h

/* 
			(c) Copyright 1998, 1999 - 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 (tord.jansson@swipnet.se) 
		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. 
 
*/ 
 
/********************************************************************** 
 * ISO MPEG Audio Subgroup Software Simulation Group (1996) 
 * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension 
 * 
 * $Id: mdct.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $ 
 * 
 * $Log: mdct.h,v $ 
 * Revision 1.1  1996/02/14 04:04:23  rowlands 
 * Initial revision 
 * 
 * Received from Mike Coleman 
 **********************************************************************/ 
 
#ifndef MDCT_DOT_H 
#define MDCT_DOT_H 
void mdct(double *in, double *out, int block_type); 
void inv_mdct(double *in, double *out, int block_type); 
 
typedef double D32_18[SBLIMIT][18]; 
typedef double L3SBS[2][3][18][SBLIMIT]; /* [gr][ch] */ 
 
void mdct_sub(L3SBS (*sb_sample), double (*mdct_freq)[2][576], int stereo, III_side_info_t *l3_side, int mode_gr ); 
void mdct_sub_dec(double (*mdct_freq)[2][576], double inv_mdct_dec[3][2][18][32], int stereo, III_side_info_t *l3_side); 
void delay(double (*xr)[2][576], int stereo); 
#endif