/********************************************************************** * ISO MPEG Audio Subgroup Software Simulation Group (1996) * ISO 13818-3 MPEG-2 Audio Encoder - Lower Sampling Frequency Extension * * $Id: common.h,v 1.1 1996/02/14 04:04:23 rowlands Exp $ * * $Log: common.h,v $ * Revision 1.1  1996/02/14 04:04:23  rowlands * Initial revision * * Received from Mike Coleman **********************************************************************//********************************************************************** *   date   programmers         comment                               * * 2/25/91  Doulas Wong,        start of version 1.0 records          * *          Davis Pan                                                 * * 5/10/91  W. Joseph Carter    Reorganized & renamed all ".h" files  * *                              into "common.h" and "encoder.h".      * *                              Ported to Macintosh and Unix.         * *                              Added additional type definitions for * *                              AIFF, double/SANE and "bitstream.c".  * *                              Added function prototypes for more    * *                              rigorous type checking.               * * 27jun91  dpwe (Aware)        Added "alloc_*" defs & prototypes     * *                              Defined new struct 'frame_params'.    * *                              Changed info.stereo to info.mode_ext  * *                              #define constants for mode types      * *                              Prototype arguments if PROTO_ARGS     * * 5/28/91  Earle Jennings      added MS_DOS definition               * *                              MsDos function prototype declarations * * 7/10/91  Earle Jennings      added FLOAT definition as double      * *10/ 3/91  Don H. Lee          implemented CRC-16 error protection   * * 2/11/92  W. Joseph Carter    Ported new code to Macintosh.  Most   * *                              important fixes involved changing     * *                              16-bit ints to long or unsigned in    * *                              bit alloc routines for quant of 65535 * *                              and passing proper function args.     * *                              Removed "Other Joint Stereo" option   * *                              and made bitrate be total channel     * *                              bitrate, irrespective of the mode.    * *                              Fixed many small bugs & reorganized.  * *                              Modified some function prototypes.    * *                              Changed BUFFER_SIZE back to 4096.     * * 7/27/92  Michael Li          (re-)Ported to MS-DOS                 * * 7/27/92  Masahiro Iwadare    Ported to Convex                      * * 8/07/92  mc@tv.tek.com                                             * * 8/10/92  Amit Gulati         Ported to the AIX Platform (RS6000)   * *                              AIFF string constants redefined       * * 8/27/93 Seymour Shlien,      Fixes in Unix and MSDOS ports,        * *         Daniel Lauzon, and                                         * *         Bill Truerniet                                             * *--------------------------------------------------------------------* * 4/23/92  J. Pineda           Added code for Layer III.             * * 11/9/92  Amit Gulati         Added defines for layerIII stereo     * *                              modes.                                * *  8/24/93 Masahiro Iwadare    Included IS modification in Layer III.* *                              Changed for 1 pass decoding.          * *  9/07/93 Toshiyuki Ishino    Integrated Layer III with Ver 3.9.    * *--------------------------------------------------------------------* * 11/20/93 Masahiro Iwadare    Integrated Layer III with Ver 4.0.    * *--------------------------------------------------------------------* *  7/14/94 Juergen Koller      Fix for HPUX an IRIX in AIFF-Strings  * *  6/12/95 Soeren H. Nielsen   Bug fix in new_ext().                 * *  7/11/95 Soeren H. Nielsen   Added defs. for MPEG-2 LSF            * *--------------------------------------------------------------------* * 8/02/95  mc@fivebats.com     Changes to AIFF stuff for portability * *                              to little-endian machines             * **********************************************************************/#ifndef COMMON_DOT_H#define COMMON_DOT_H/*************************************************************************  Global Conditional Compile Switches************************************************************************/#if 0#define      UNIX            /* Unix conditional compile switch */#define      MACINTOSH       /* Macintosh conditional compile switch */#define      MS_DOS          /* IBM PC conditional compile switch */#define      MSC60           /* Compiled for MS_DOS with MSC v6.0 */#define      AIX             /* AIX conditional compile switch    */#define      CONVEX          /* CONVEX conditional compile switch */#endif#if defined(MSC60) #ifndef MS_DOS#define MS_DOS#endif#ifndef PROTO_ARGS#define PROTO_ARGS#endif#endif#ifdef  UNIX#define         TABLES_PATH     "tables"  /* to find data files *//* name of environment variable holding path of table files */#define         MPEGTABENV      "MPEGTABLES"#define         PATH_SEPARATOR  "/"        /* how to build paths */#endif  /* UNIX */#ifdef  MACINTOSH#define      TABLES_PATH ":tables:"  /* where to find data files */#endif  /* MACINTOSH *//*  * Don't define FAR to far unless you're willing to clean up the  * prototypes */#define FAR /*far*/#ifdef __STDC__#ifndef PROTO_ARGS#define PROTO_ARGS#endif#endif#ifdef CONVEX#define SEEK_SET        0#define SEEK_CUR        1#define SEEK_END        2#endif/* MS_DOS and VMS do not define TABLES_PATH, so OpenTableFile will default   to finding the data files in the default directory *//*************************************************************************  Global Include Files************************************************************************/#include        <stdio.h>#include        <string.h>#include        <math.h>#include "portableio.h"#include "ieeefloat.h"#ifdef  UNIX#include        <unistd.h>#endif  /* UNIX */#ifdef __sgi#include	<stdlib.h>#endif#ifdef  MACINTOSH#include        <stdlib.h>#include        <console.h>#endif  /* MACINTOSH */#ifdef  MS_DOS#include        <stdlib.h>#ifdef MSC60#include        <memory.h>#else#include        <alloc.h>#include        <mem.h>#endif  /* MSC60 */#endif  /* MS_DOS */#ifndef EXIT_SUCCESS#define EXIT_SUCCESS 0#endif#ifndef EXIT_FAILURE#define EXIT_FAILURE 1#endif/*************************************************************************  Global Definitions************************************************************************//* General Definitions */#ifdef  MS_DOS#define         FLOAT                   double#else#define         FLOAT                   float#endif#ifndef FALSE#define         FALSE                   0#endif#ifndef TRUE#define         TRUE                    1#endif#define         NULL_CHAR               '\0'#define         MAX_U_32_NUM            0xFFFFFFFF#ifndef PI#define         PI                      3.14159265358979#endif#define         PI4                     PI/4#define         PI64                    PI/64#define         LN_TO_LOG10             0.2302585093#define         VOL_REF_NUM             0#define         MPEG_AUDIO_ID           1#define		MPEG_PHASE2_LSF		0	/* 1995-07-11 SHN */#define         MAC_WINDOW_SIZE         24#define         MONO                    1#define         STEREO                  2#define         BITS_IN_A_BYTE          8#define         WORD                    16#define         MAX_NAME_SIZE           81#define         SBLIMIT                 32#define         SSLIMIT                 18#define         FFT_SIZE                1024#define         HAN_SIZE                512#define         SCALE_BLOCK             12#define         SCALE_RANGE             64#define         SCALE                   32768#define         CRC16_POLYNOMIAL        0x8005/* MPEG Header Definitions - Mode Values */#define         MPG_MD_STEREO           0#define         MPG_MD_JOINT_STEREO     1#define         MPG_MD_DUAL_CHANNEL     2#define         MPG_MD_MONO             3/* Mode Extention */#define         MPG_MD_LR_LR             0#define         MPG_MD_LR_I              1#define         MPG_MD_MS_LR             2#define         MPG_MD_MS_I              3/* "bit_stream.h" Definitions */#define         MINIMUM         4    /* Minimum size of the buffer in bytes */#define         MAX_LENGTH      32   /* Maximum length of word written or                                        read from bit stream */#define         READ_MODE       0#define         WRITE_MODE      1#define         ALIGNING        8#define         BINARY          0#define         ASCII           1#ifndef BS_FORMAT