machine.h
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上传日期:2007-02-02
资源大小:6116k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * Machine dependent defines/includes for LAME.
- *
- * Copyright (c) 1999 A.L. Faber
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library 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.
- */
- #ifndef MACHINE_H_INCLUDED
- #define MACHINE_H_INCLUDED
- #include <stdio.h>
- #include <string.h>
- #include <math.h>
- #include <stdlib.h>
- #include <ctype.h>
- #include <signal.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <errno.h>
- /* three different types of pow() functions:
- 1. table lookup
- 2. pow()
- 3. exp() on some machines this is claimed to be faster than pow()
- */
- #define POW20(x) pow20[x]
- /*
- #define POW20(x) pow(2.0,((double)(x)-210)*.25)
- #define POW20(x) exp( ((double)(x)-210)*(.25*LOG2) )
- */
- #define IPOW20(x) ipow20[x]
- /*
- #define IPOW20(x) exp( -((double)(x)-210)*.1875*LOG2 )
- #define IPOW20(x) pow(2.0,-((double)(x)-210)*.1875)
- */
- #if ( defined(_MSC_VER) && !defined(INLINE))
- # define INLINE _inline
- #elif defined(__SASC) || defined(__GNUC__)
- # define INLINE __inline
- #else
- # define INLINE
- #endif
- #if ( defined(_MSC_VER))
- # pragma warning( disable : 4244 )
- # pragma warning( disable : 4305 )
- #endif
- #if ( defined(_MSC_VER) || defined(__BORLANDC__) )
- # define WIN32_LEAN_AND_MEAN
- # include <windows.h>
- #else
- typedef float FLOAT;
- #endif
- /* MH: the x86 asm quantization routines in quantize-pvt.c
- are designed to work only with 8-byte doubles or 4-byte
- floats. if you use a different type (e.g. 10-byte extended
- precision long doubles, as supported by ICL), you will need
- to disable the ASM routines (or fix them :) */
- #define FLOAT8_is_double
- typedef double FLOAT8;
- /*#define FLOAT8_is_float*/
- /*typedef float FLOAT8; */
- #if defined (_WIN32) && !defined (__CYGWIN__)
- typedef unsigned long u_long;
- typedef unsigned int u_int;
- typedef unsigned short u_short;
- typedef unsigned char u_char;
- #elif defined (__DECALPHA__)
- # do nothing
- #elif !defined (__GNUC__) || defined (__STRICT_ANSI__)
- typedef unsigned long u_long;
- typedef unsigned int u_int;
- typedef unsigned short u_short;
- typedef unsigned char u_char;
- #endif
- #endif