shithub: aacenc

ref: 39ceeea51bf321899c5d82f27b7c5ce8e4e35a0e
dir: /libfaac/util.h/

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/*
 * FAAC - Freeware Advanced Audio Coder
 * Copyright (C) 2001 Menno Bakker
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: util.h,v 1.4 2001/02/28 18:39:34 menno Exp $
 */

#ifndef UTIL_H
#define UTIL_H

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#ifndef max
#define max(a, b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif

#ifndef M_PI
#define M_PI        3.14159265358979323846
#endif


int GetSRIndex(unsigned int sampleRate);
unsigned int MaxBitrate(unsigned long sampleRate);
unsigned int MinBitrate();
unsigned int MaxBitresSize(unsigned long bitRate, unsigned long sampleRate);
unsigned int BitAllocation(double pe, int short_block);


#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* UTIL_H */