www.pudn.com > shine.zip > types.h

//    Shine is an MP3 encoder 
//    Copyright (C) 1999-2000  Gabriel Bouvigne 
// 
//    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. 
 
 
#ifndef TYPES_H 
#define TYPES_H 
 
#include  
#include  
#include "portableio.h" 
 
 
 
#define samp_per_frame  1152 
#define samp_per_frame2  576 
 
#define sq(a) ((a)*(a)) 
 
#define         PI                      3.14159265358979 
#define         PI4                     .78539816339745 
#define         PI12                     .26179938779915 
#define         PI36                    .087266462599717 
#define         PI64                    .049087385212 
#define SQRT2       1.41421356237 
#define LN_TO_LOG10 0.2302585093 
#define BLKSIZE     1024 
#define HAN_SIZE    512 
#define SCALE_BLOCK 12 
#define SCALE_RANGE 64 
#define SCALE       32768 
#define SBLIMIT     32 
 
 
 
typedef struct { 
    FILE *file; 
    int  type; 
    int  channels; 
    int  bits; 
    long samplerate; 
    long total_samples; 
    long length; 
} wave_t; 
 
typedef struct { 
    FILE *file; 
    int  type; 
    int  layr; 
    int  mode; 
    int  bitr; 
    int  psyc; 
    int  emph; 
    int  padding; 
    long samples_per_frame; 
    long bits_per_frame; 
    long bits_per_slot; 
    long total_frames; 
    int  bitrate_index; 
    int  samplerate_index; 
    int crc; 
    int ext; 
    int mode_ext; 
    int copyright; 
    int original; 
} mpeg_t; 
 
typedef struct { 
    time_t start_time; 
    enum e_byte_order byte_order;  
 
    char* infile; 
    wave_t wave; 
 
    char* outfile; 
    mpeg_t mpeg; 
} config_t; 
extern config_t config; 
 
 
#ifndef bool 
typedef unsigned char bool; 
#endif 
#ifndef true 
#define true 1 
#endif 
#ifndef false 
#define false 0 
#endif 
 
#define WAVE_RIFF_PCM 0 
#define WAVE_PCM_LOHI 1 
#define WAVE_PCM_HILO 2 
#define WAVE_PCM_AIFF 3 
 
#define MODE_MONO     3 
 
 
#endif