www.pudn.com > shine.zip > layer3.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 LAYER3_H 
#define LAYER3_H 
 
/* Side information */ 
typedef struct { 
        unsigned part2_3_length; 
        unsigned big_values; 
        unsigned count1; 
        unsigned global_gain; 
        unsigned scalefac_compress; 
        unsigned table_select[3]; 
        unsigned region0_count; 
        unsigned region1_count; 
        unsigned preflag; 
        unsigned scalefac_scale; 
        unsigned count1table_select; 
 
        unsigned part2_length; 
        unsigned sfb_lmax; 
        unsigned address1; 
        unsigned address2; 
        unsigned address3; 
        double quantizerStepSize; 
        unsigned slen[4]; 
} gr_info; 
 
typedef struct { 
    int main_data_begin; /* unsigned -> int */ 
    unsigned private_bits; 
    int resvDrain; 
    unsigned scfsi[2][4]; 
    struct { 
        struct { 
            gr_info tt; 
        } ch[2]; 
    } gr[2]; 
} side_info_t; 
 
typedef struct { 
    double  l[2][2][21]; 
} psy_ratio_t; 
 
typedef struct { 
        double  l[2][2][21]; 
} psy_xmin_t; 
 
typedef struct { 
    int l[2][2][22];            /* [cb] */ 
    int s[2][2][13][3];         /* [window][cb] */ 
} scalefac_t; 
 
 
void compress(); 
 
#endif