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

64 lines
2 KiB
C
Vendored

/*
* psymodel.h
*
* 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_PSYMODEL_H
#define LAME_PSYMODEL_H
int L3psycho_anal_ns(lame_internal_flags * gfc,
const sample_t *const buffer[2], int gr,
III_psy_ratio ratio[2][2],
III_psy_ratio MS_ratio[2][2],
FLOAT pe[2], FLOAT pe_MS[2], FLOAT ener[2], int blocktype_d[2]);
int L3psycho_anal_vbr(lame_internal_flags * gfc,
const sample_t *const buffer[2], int gr,
III_psy_ratio ratio[2][2],
III_psy_ratio MS_ratio[2][2],
FLOAT pe[2], FLOAT pe_MS[2], FLOAT ener[2], int blocktype_d[2]);
int psymodel_init(lame_global_flags const* gfp);
#define rpelev 2
#define rpelev2 16
#define rpelev_s 2
#define rpelev2_s 16
/* size of each partition band, in barks: */
#define DELBARK .34
/* tuned for output level (sensitive to energy scale) */
#define VO_SCALE (1./( 14752*14752 )/(BLKSIZE/2))
#define temporalmask_sustain_sec 0.01
#define NS_PREECHO_ATT0 0.8
#define NS_PREECHO_ATT1 0.6
#define NS_PREECHO_ATT2 0.3
#define NS_MSFIX 3.5
#define NSATTACKTHRE 4.4
#define NSATTACKTHRE_S 25
#endif /* LAME_PSYMODEL_H */