ref: 01986adbbf75c07c613b11fcb81a8015a71e5664
dir: /sys/src/cmd/audio/mp3enc/portableio.h/
#ifndef LAME_PORTABLEIO_H #define LAME_PORTABLEIO_H /* Copyright (C) 1988-1991 Apple Computer, Inc. * All Rights Reserved. * * Warranty Information * Even though Apple has reviewed this software, Apple makes no warranty * or representation, either express or implied, with respect to this * software, its quality, accuracy, merchantability, or fitness for a * particular purpose. As a result, this software is provided "as is," * and you, its user, are assuming the entire risk as to its quality * and accuracy. * * This code may be used and freely distributed as long as it includes * this copyright notice and the warranty information. * * Machine-independent I/O routines for 8-, 16-, 24-, and 32-bit integers. * * Motorola processors (Macintosh, Sun, Sparc, MIPS, etc) * pack bytes from high to low (they are big-endian). * Use the HighLow routines to match the native format * of these machines. * * Intel-like machines (PCs, Sequent) * pack bytes from low to high (the are little-endian). * Use the LowHigh routines to match the native format * of these machines. * * These routines have been tested on the following machines: * Apple Macintosh, MPW 3.1 C compiler * Apple Macintosh, THINK C compiler * Silicon Graphics IRIS, MIPS compiler * Cray X/MP and Y/MP * Digital Equipment VAX * * * Implemented by Malcolm Slaney and Ken Turkowski. * * Malcolm Slaney contributions during 1988-1990 include big- and little- * endian file I/O, conversion to and from Motorola's extended 80-bit * floating-point format, and conversions to and from IEEE single- * precision floating-point format. * * In 1991, Ken Turkowski implemented the conversions to and from * IEEE double-precision format, added more precision to the extended * conversions, and accommodated conversions involving +/- infinity, * NaN's, and denormalized numbers. * * $Id: portableio.h,v 1.2 2000/11/18 04:24:06 markt Exp $ * * $Log: portableio.h,v $ * Revision 1.2 2000/11/18 04:24:06 markt * Removed ieeefloat.* * * Revision 1.1 2000/09/28 16:36:53 takehiro * moved frontend staffs into frontend/ * Need to debug vorbis/mpglib/analyzer/bitrate histgram. * still long way to go... * * HAVEGTK is changed ANALYSIS(library side) and HAVEGTK(frontend side) * * BRHIST is deleted from library. all the bitrate histogram works are * now in frontend(but not works properly, yet). * * timestatus things are also moved to frontend. * * parse.c is now out of library. * * Revision 1.2 2000/09/17 04:19:09 cisc * conformed all this-is-included-defines to match 'project_file_name' style * * Revision 1.1.1.1 1999/11/24 08:43:37 markt * initial checkin of LAME * Starting with LAME 3.57beta with some modifications * * Revision 2.6 91/04/30 17:06:02 malcolm */ #include <stdio.h> #ifndef __cplusplus # define CLINK #else # define CLINK "C" #endif extern CLINK int ReadByte(FILE *fp); extern CLINK int Read16BitsLowHigh(FILE *fp); extern CLINK int Read16BitsHighLow(FILE *fp); extern CLINK void Write8Bits(FILE *fp, int i); extern CLINK void Write16BitsLowHigh(FILE *fp, int i); extern CLINK void Write16BitsHighLow(FILE *fp, int i); extern CLINK int Read24BitsHighLow(FILE *fp); extern CLINK int Read32Bits(FILE *fp); extern CLINK int Read32BitsHighLow(FILE *fp); extern CLINK void Write32Bits(FILE *fp, int i); extern CLINK void Write32BitsLowHigh(FILE *fp, int i); extern CLINK void Write32BitsHighLow(FILE *fp, int i); extern CLINK void ReadBytes(FILE *fp, char *p, int n); extern CLINK void ReadBytesSwapped(FILE *fp, char *p, int n); extern CLINK void WriteBytes(FILE *fp, char *p, int n); extern CLINK void WriteBytesSwapped(FILE *fp, char *p, int n); extern CLINK double ReadIeeeFloatHighLow(FILE *fp); extern CLINK double ReadIeeeFloatLowHigh(FILE *fp); extern CLINK double ReadIeeeDoubleHighLow(FILE *fp); extern CLINK double ReadIeeeDoubleLowHigh(FILE *fp); extern CLINK double ReadIeeeExtendedHighLow(FILE *fp); extern CLINK double ReadIeeeExtendedLowHigh(FILE *fp); extern CLINK void WriteIeeeFloatLowHigh(FILE *fp, double num); extern CLINK void WriteIeeeFloatHighLow(FILE *fp, double num); extern CLINK void WriteIeeeDoubleLowHigh(FILE *fp, double num); extern CLINK void WriteIeeeDoubleHighLow(FILE *fp, double num); extern CLINK void WriteIeeeExtendedLowHigh(FILE *fp, double num); extern CLINK void WriteIeeeExtendedHighLow(FILE *fp, double num); #define Read32BitsLowHigh(f) Read32Bits(f) #define WriteString(f,s) fwrite(s,strlen(s),sizeof(char),f) #endif