mirror of
https://github.com/RetroDECK/Supermodel.git
synced 2024-11-22 22:05:38 +00:00
71 lines
2 KiB
C
71 lines
2 KiB
C
/**
|
|
** Supermodel
|
|
** A Sega Model 3 Arcade Emulator.
|
|
** Copyright 2011 Bart Trzynadlowski, Nik Henson
|
|
**
|
|
** This file is part of Supermodel.
|
|
**
|
|
** Supermodel is free software: you can redistribute it and/or modify it under
|
|
** the terms of the GNU General Public License as published by the Free
|
|
** Software Foundation, either version 3 of the License, or (at your option)
|
|
** any later version.
|
|
**
|
|
** Supermodel 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 General Public License for
|
|
** more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License along
|
|
** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
|
|
**/
|
|
|
|
/*
|
|
* getdata.h
|
|
*
|
|
* Amp library internal header file.
|
|
*/
|
|
|
|
|
|
/* this file is a part of amp software, (C) tomislav uzelac 1996,1997
|
|
*/
|
|
|
|
/* getdata.h
|
|
*
|
|
* tomislav uzelac Apr 1996
|
|
*/
|
|
|
|
extern int decode_scalefactors(struct SIDE_INFO *info,struct AUDIO_HEADER *header,int gr,int ch);
|
|
|
|
extern int is_max[21];
|
|
extern int intensity_scale;
|
|
|
|
#ifdef GETDATA
|
|
|
|
static char t_slen1[16]={0,0,0,0,3,1,1,1,2,2,2,3,3,3,4,4};
|
|
static char t_slen2[16]={0,1,2,3,0,1,2,3,1,2,3,1,2,3,2,3};
|
|
|
|
int is_max[21]; /* the maximum value of is_pos. for short blocks is_max[sfb=0] == is_max[6],
|
|
* it's sloppy but i'm sick of waisting storage. blaah...
|
|
*/
|
|
int intensity_scale;
|
|
|
|
int decode_scalefactors(struct SIDE_INFO *info,struct AUDIO_HEADER *header,int gr,int ch);
|
|
|
|
/* my implementation of MPEG2 scalefactor decoding is, admitably, horrible
|
|
* anyway, just take a look at pg.18 of MPEG2 specs, and you'll know what
|
|
* this is all about
|
|
*/
|
|
static const char spooky_table[2][3][3][4]={
|
|
{
|
|
{ {6,5,5,5}, {9,9,9,9}, {6,9,9,9} },
|
|
{ {6,5,7,3}, {9,9,12,6}, {6,9,12,6}},
|
|
{ {11,10,0,0}, {18,18,0,0}, {15,18,0,0}}
|
|
},
|
|
{
|
|
{ {7,7,7,0}, {12,12,12,0}, {6,15,12,0}},
|
|
{ {6,6,6,3}, {12,9,9,6}, {6,12,9,6}},
|
|
{ {8,8,5,0}, {15,12,9,0}, {6,18,9,0}}
|
|
}};
|
|
|
|
#endif /* GETDATA */
|