winamp/Src/external_dependencies/openmpt-trunk/include/lame/libmp3lame/l3side.h
2024-09-24 14:54:57 +02:00

96 lines
2.4 KiB
C
Vendored

/*
* Layer 3 side include file
*
* Copyright (c) 1999 Mark Taylor
*
* 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 LAME_L3SIDE_H
#define LAME_L3SIDE_H
/* max scalefactor band, max(SBMAX_l, SBMAX_s*3, (SBMAX_s-3)*3+8) */
#define SFBMAX (SBMAX_s*3)
/* Layer III side information. */
typedef struct {
int l[1 + SBMAX_l];
int s[1 + SBMAX_s];
int psfb21[1 + PSFB21];
int psfb12[1 + PSFB12];
} scalefac_struct;
typedef struct {
FLOAT l[SBMAX_l];
FLOAT s[SBMAX_s][3];
} III_psy_xmin;
typedef struct {
III_psy_xmin thm;
III_psy_xmin en;
} III_psy_ratio;
typedef struct {
FLOAT xr[576];
int l3_enc[576];
int scalefac[SFBMAX];
FLOAT xrpow_max;
int part2_3_length;
int big_values;
int count1;
int global_gain;
int scalefac_compress;
int block_type;
int mixed_block_flag;
int table_select[3];
int subblock_gain[3 + 1];
int region0_count;
int region1_count;
int preflag;
int scalefac_scale;
int count1table_select;
int part2_length;
int sfb_lmax;
int sfb_smin;
int psy_lmax;
int sfbmax;
int psymax;
int sfbdivide;
int width[SFBMAX];
int window[SFBMAX];
int count1bits;
/* added for LSF */
const int *sfb_partition_table;
int slen[4];
int max_nonzero_coeff;
char energy_above_cutoff[SFBMAX];
} gr_info;
typedef struct {
gr_info tt[2][2];
int main_data_begin;
int private_bits;
int resvDrain_pre;
int resvDrain_post;
int scfsi[2][4];
} III_side_info_t;
#endif