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/*================================================================
* sfitem.h
* soundfont generator conversion table
*
* Copyright (C) 1996-1999 Takashi Iwai
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*================================================================*/
#ifndef SFITEM_H_DEF
#define SFITEM_H_DEF
#include "sflayer.h"
#include "sffile.h"
typedef struct _LayerItem {
int copy; /* copy policy */
int type; /* conversion type */
int minv; /* minimum value */
int maxv; /* maximum value */
int defv; /* default value */
} LayerItem;
/* copy policy */
enum {
L_INHRT, /* add to global */
L_OVWRT, /* overwrite on global */
L_RANGE, /* range */
L_PRSET, /* preset only */
L_INSTR, /* instrument only */
};
/* data type */
enum {
T_NOP, /* nothing */
T_NOCONV, /* no conversion */
T_OFFSET, /* address offset */
T_HI_OFF, /* address coarse offset (32k) */
T_RANGE, /* range; composite values (0-127/0-127) */
T_CUTOFF, /* initial cutoff */
T_FILTERQ, /* initial resonance */
T_TENPCT, /* effects send */
T_PANPOS, /* panning position */
T_ATTEN, /* initial attenuation */
T_SCALE, /* scale tuning */
T_TIME, /* envelope/LFO time */
T_TM_KEY, /* time change per key */
T_FREQ, /* LFO frequency */
T_PSHIFT, /* env/LFO pitch shift */
T_CSHIFT, /* env/LFO cutoff shift */
T_TREMOLO, /* LFO tremolo shift */
T_MODSUST, /* modulation env sustain level */
T_VOLSUST, /* volume env sustain level */
T_EOT, /* end of type */
};
/* sbk->sf2 convertor function */
typedef int (*SBKConv)(int gen, int amount);
/* macros for range operation */
#define RANGE(lo,hi) (((hi)&0xff) << 8 | ((lo)&0xff))
#define LOWNUM(val) ((val) & 0xff)
#define HIGHNUM(val) (((val) >> 8) & 0xff)
/* layer type definitions */
extern LayerItem layer_items[SF_EOF];
int sbk_to_sf2(int oper, int amount);
#endif
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