2 (c) Copyright 1998-2000 - Tord Jansson
3 ======================================
5 This file is part of the BladeEnc MP3 Encoder, based on
6 ISO's reference code for MPEG Layer 3 compression, and might
7 contain smaller or larger sections that are directly taken
8 from ISO's reference code.
10 All changes to the ISO reference code herein are either
11 copyrighted by Tord Jansson (tord.jansson@swipnet.se)
12 or sublicensed to Tord Jansson by a third party.
14 BladeEnc is free software; you can redistribute this file
15 and/or modify it under the terms of the GNU Lesser General Public
16 License as published by the Free Software Foundation; either
17 version 2.1 of the License, or (at your option) any later version.
21 ------------ Changes ------------
23 2000-12-10 Andre Piotrowski
25 - reformatted, redesigned
29 /**********************************************************************
30 * ISO MPEG Audio Subgroup Software Simulation Group (1996)
31 * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension
33 * $Id: mdct.h,v 1.1 2002/01/10 17:30:01 kramm Exp $
36 * Revision 1.1 2002/01/10 17:30:01 kramm
37 * Version 0.94.1 of the bladeenc mp3 encoder
39 * Revision 1.1 1996/02/14 04:04:23 rowlands
42 * Received from Mike Coleman
43 **********************************************************************/
52 #define MDCT_CHANGE_LEVEL 5
58 typedef double L3SBS[2][3][18][SBLIMIT]; /* [gr][ch] */
64 extern int fInit_mdct_sub;
65 extern int fInit_mdct;
77 double (*mdct_freq)[2][576],
79 III_side_info_t *l3_side,
85 #if MDCT_CHANGE_LEVEL < 5
111 #endif /* __MDCT__ */