ref: 167170d01b188e5a6b59cf2e2fb20177417c0d50
dir: aacenc/libfaac/util.h
/*
* FAAC - Freeware Advanced Audio Coder
* Copyright (C) 2001 Menno Bakker
*
* This library is free software; you can redistribute it 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.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: util.h,v 1.8 2003/12/20 04:32:48 stux Exp $
*/
#ifndef UTIL_H
#define UTIL_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#ifdef __plan9__
#include <u.h>
#include <libc.h>
#include <stdio.h>
static long
lrint(double d)
{
long long l;
*((double*)&l) = d + 6755399441055744.0;
return l;
}
#define M_SQRT2 1.41421356237309504880
#define exit(x) do{ exits(x ? "error" : nil); }while(0)
typedef u16int uint16_t;
typedef u32int uint32_t;
typedef s32int int32_t;
typedef usize size_t;
#else
#include <stdint.h>
#include <stdlib.h>
#include <math.h>
#include <memory.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#endif
#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
/* Memory functions */
#define AllocMemory(size) malloc(size)
#define FreeMemory(block) free(block)
#define SetMemory(block, value, size) memset(block, value, size)
int GetSRIndex(unsigned int sampleRate);
int GetMaxPredSfb(int samplingRateIdx);
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 */