zdoom-macos-deps/deps/instpatch/include/libinstpatch-2/libinstpatch/IpatchSF2Gen.h
2020-12-12 13:44:13 +02:00

241 lines
10 KiB
C

/*
* libInstPatch
* Copyright (C) 1999-2014 Element Green <element@elementsofsound.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; version 2.1
* of the License only.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA or on the web at http://www.gnu.org.
*/
#ifndef __IPATCH_SF2_GEN_H__
#define __IPATCH_SF2_GEN_H__
#include <glib.h>
#include <glib-object.h>
#include <libinstpatch/IpatchItem.h>
/* total number of generators */
#define IPATCH_SF2_GEN_COUNT 59
/* forward type declarations */
typedef union _IpatchSF2GenAmount IpatchSF2GenAmount;
typedef struct _IpatchSF2GenArray IpatchSF2GenArray;
typedef struct _IpatchSF2GenInfo IpatchSF2GenInfo;
/* IpatchSF2GenArray has a glib boxed type */
#define IPATCH_TYPE_SF2_GEN_ARRAY (ipatch_sf2_gen_array_get_type ())
/**
* IpatchSF2GenPropsType:
*
* Generator property type (defines which gens are valid and their ranges).
* Note that TRUE/FALSE can be used to designate PRESET/INST (backwards
* compatible with previous function). Also note that global properties can
* be treated as a flag: #IPATCH_SF2_GEN_PROPS_GLOBAL_FLAG.
*/
typedef enum
{
IPATCH_SF2_GEN_PROPS_INST = 0, /* instrument "absolute" properties */
IPATCH_SF2_GEN_PROPS_PRESET = 1, /* preset "offset" properties */
IPATCH_SF2_GEN_PROPS_INST_GLOBAL = 2, /* inst properties with no sample link */
IPATCH_SF2_GEN_PROPS_PRESET_GLOBAL = 3 /* preset props with no inst link */
} IpatchSF2GenPropsType;
/* can treat GLOBAL enums from IpatchSF2GenPropsType as a flag */
#define IPATCH_SF2_GEN_PROPS_GLOBAL_FLAG 0x02
/* mask of props type without global flag */
#define IPATCH_SF2_GEN_PROPS_MASK 0x01
/* Generator amount (effect parameter amount) */
union _IpatchSF2GenAmount
{
/*< public >*/
gint16 sword; /* signed 16 bit value */
guint16 uword; /* unsigned 16 bit value */
struct
{
guint8 low; /* low value of range */
guint8 high; /* high value of range */
} range; /* range values, low - high */
};
/* Generator (effect parameter) */
struct _IpatchSF2Gen
{
/*< public >*/
guint16 id; /* generator #IPGenType ID */
IpatchSF2GenAmount amount; /* generator value */
};
/* generator array */
struct _IpatchSF2GenArray
{
/*< public >*/
guint64 flags; /* 1 bit for each generator indicating if it is set */
IpatchSF2GenAmount values[IPATCH_SF2_GEN_COUNT]; /* gen values */
};
/* calculate the set bit value for a given generator ID */
#define IPATCH_SF2_GENID_SET(genid) ((guint64)0x1 << (genid))
/* macros for manipulating individual set flag bits in a generator array
Note: These macros don't take into account multi-thread locking. */
#define IPATCH_SF2_GEN_ARRAY_TEST_FLAG(array, genid) \
(((array)->flags & ((guint64)0x1 << (genid))) != 0)
#define IPATCH_SF2_GEN_ARRAY_SET_FLAG(array, genid) \
((array)->flags |= ((guint64)0x1 << (genid)))
#define IPATCH_SF2_GEN_ARRAY_CLEAR_FLAG(array, genid) \
((array)->flags &= ~((guint64)0x1 << (genid)))
/* generator (effect parameter) types */
typedef enum
{
IPATCH_SF2_GEN_SAMPLE_START = 0, /* sample start offset */
IPATCH_SF2_GEN_SAMPLE_END = 1, /* sample end offset */
IPATCH_SF2_GEN_SAMPLE_LOOP_START = 2,/* sample loop start offset */
IPATCH_SF2_GEN_SAMPLE_LOOP_END = 3, /* sample loop end offset */
IPATCH_SF2_GEN_SAMPLE_COARSE_START = 4, /* sample start coarse offset */
IPATCH_SF2_GEN_MOD_LFO_TO_PITCH = 5, /* modulation LFO to pitch */
IPATCH_SF2_GEN_VIB_LFO_TO_PITCH = 6, /* vibrato LFO to pitch */
IPATCH_SF2_GEN_MOD_ENV_TO_PITCH = 7, /* modulation envelope to pitch */
IPATCH_SF2_GEN_FILTER_CUTOFF = 8, /* initial filter cutoff */
IPATCH_SF2_GEN_FILTER_Q = 9, /* filter Q */
IPATCH_SF2_GEN_MOD_LFO_TO_FILTER_CUTOFF = 10, /* mod LFO to filter cutoff */
IPATCH_SF2_GEN_MOD_ENV_TO_FILTER_CUTOFF = 11, /* mod envelope to filter cutoff */
IPATCH_SF2_GEN_SAMPLE_COARSE_END = 12, /* sample end course offset */
IPATCH_SF2_GEN_MOD_LFO_TO_VOLUME = 13, /* modulation LFO to volume */
IPATCH_SF2_GEN_UNUSED1 = 14,
IPATCH_SF2_GEN_CHORUS = 15, /* chorus */
IPATCH_SF2_GEN_REVERB = 16, /* reverb */
IPATCH_SF2_GEN_PAN = 17, /* panning */
IPATCH_SF2_GEN_UNUSED2 = 18,
IPATCH_SF2_GEN_UNUSED3 = 19,
IPATCH_SF2_GEN_UNUSED4 = 20,
IPATCH_SF2_GEN_MOD_LFO_DELAY = 21, /* modulation LFO delay */
IPATCH_SF2_GEN_MOD_LFO_FREQ = 22, /* modulation LFO frequency */
IPATCH_SF2_GEN_VIB_LFO_DELAY = 23, /* vibrato LFO delay */
IPATCH_SF2_GEN_VIB_LFO_FREQ = 24, /* vibrato LFO frequency */
IPATCH_SF2_GEN_MOD_ENV_DELAY = 25, /* modulation envelope delay */
IPATCH_SF2_GEN_MOD_ENV_ATTACK = 26, /* modulation envelope attack */
IPATCH_SF2_GEN_MOD_ENV_HOLD = 27, /* modulation envelope hold */
IPATCH_SF2_GEN_MOD_ENV_DECAY = 28, /* modulation envelope decay */
IPATCH_SF2_GEN_MOD_ENV_SUSTAIN = 29, /* modulation envelope sustain */
IPATCH_SF2_GEN_MOD_ENV_RELEASE = 30, /* modulation envelope release */
IPATCH_SF2_GEN_NOTE_TO_MOD_ENV_HOLD = 31, /* MIDI note to mod envelope hold */
IPATCH_SF2_GEN_NOTE_TO_MOD_ENV_DECAY = 32, /* MIDI note to mod env decay */
IPATCH_SF2_GEN_VOL_ENV_DELAY = 33, /* volume envelope delay */
IPATCH_SF2_GEN_VOL_ENV_ATTACK = 34, /* volume envelope attack */
IPATCH_SF2_GEN_VOL_ENV_HOLD = 35, /* volume envelope hold */
IPATCH_SF2_GEN_VOL_ENV_DECAY = 36, /* volume envelope decay */
IPATCH_SF2_GEN_VOL_ENV_SUSTAIN = 37, /* volume envelope sustain */
IPATCH_SF2_GEN_VOL_ENV_RELEASE = 38, /* volume envelope release */
IPATCH_SF2_GEN_NOTE_TO_VOL_ENV_HOLD = 39, /* MIDI note to vol envelope hold */
IPATCH_SF2_GEN_NOTE_TO_VOL_ENV_DECAY = 40, /* MIDI note to volume env decay */
IPATCH_SF2_GEN_INSTRUMENT_ID = 41, /* instrument ID */
IPATCH_SF2_GEN_RESERVED1 = 42,
IPATCH_SF2_GEN_NOTE_RANGE = 43, /* note range */
IPATCH_SF2_GEN_VELOCITY_RANGE = 44, /* note on velocity range */
IPATCH_SF2_GEN_SAMPLE_COARSE_LOOP_START = 45, /* sample coarse loop start */
IPATCH_SF2_GEN_FIXED_NOTE = 46, /* MIDI fixed note */
IPATCH_SF2_GEN_FIXED_VELOCITY = 47, /* MIDI fixed velocity */
IPATCH_SF2_GEN_ATTENUATION = 48, /* initial volume attenuation */
IPATCH_SF2_GEN_RESERVED2 = 49,
IPATCH_SF2_GEN_SAMPLE_COARSE_LOOP_END = 50, /* sample end loop course ofs */
IPATCH_SF2_GEN_COARSE_TUNE = 51, /* course tuning */
IPATCH_SF2_GEN_FINE_TUNE_OVERRIDE = 52, /* fine tune override */
IPATCH_SF2_GEN_SAMPLE_ID = 53, /* sample ID */
IPATCH_SF2_GEN_SAMPLE_MODES = 54, /* sample flags (IpatchSF2GenSampleModes)*/
IPATCH_SF2_GEN_RESERVED3 = 55,
IPATCH_SF2_GEN_SCALE_TUNE = 56, /* scale tuning (tuning per MIDI note) */
IPATCH_SF2_GEN_EXCLUSIVE_CLASS = 57, /* exclusive class (only 1 at a time) */
IPATCH_SF2_GEN_ROOT_NOTE_OVERRIDE = 58 /* root note override */
} IpatchSF2GenType;
/* Flags for IPATCH_SF2_GEN_SAMPLE_MODES generator
sfspec24.pdf - p 36 - generator sampleModes (54)
*/
typedef enum
{
IPATCH_SF2_GEN_SAMPLE_MODE_NOLOOP, /* no loop */
IPATCH_SF2_GEN_SAMPLE_MODE_LOOP, /* standard loop */
/* not used. Should be interpreted as "no loop" */
IPATCH_SF2_GEN_SAMPLE_MODE_UNUSED,
/* loop during the depression of the key, then plays the remainder
of the sample.
*/
IPATCH_SF2_GEN_SAMPLE_MODE_LOOP_RELEASE
} IpatchSF2GenSampleModes;
/* generator info and constraints structure */
struct _IpatchSF2GenInfo
{
/*< public >*/
IpatchSF2GenAmount min; /* minimum value allowed */
IpatchSF2GenAmount max; /* maximum value allowed */
IpatchSF2GenAmount def; /* default value */
gint16 unit; /* #IpatchUnitType type */
char *label; /* short descriptive label */
char *descr; /* more complete description */
};
extern IpatchSF2GenArray *ipatch_sf2_gen_ofs_array;
extern IpatchSF2GenArray *ipatch_sf2_gen_abs_array;
extern guint64 ipatch_sf2_gen_ofs_valid_mask;
extern guint64 ipatch_sf2_gen_abs_valid_mask;
extern guint64 ipatch_sf2_gen_add_mask;
/* Useful when libinstpatch library is used as a static library. */
extern const IpatchSF2GenInfo ipatch_sf2_gen_info[]; /* IpatchSF2Gen_tables.c */
/*
Getter function returning ipatch_sf2_gen_info table.
Useful when libinstpatch library is used as a shared library linked at load time.
*/
const IpatchSF2GenInfo *ipatch_sf2_get_gen_info(void);
gboolean ipatch_sf2_gen_is_valid(guint genid, IpatchSF2GenPropsType propstype);
GType ipatch_sf2_gen_array_get_type(void);
IpatchSF2GenArray *ipatch_sf2_gen_array_new(gboolean clear);
void ipatch_sf2_gen_array_free(IpatchSF2GenArray *genarray);
IpatchSF2GenArray *
ipatch_sf2_gen_array_duplicate(const IpatchSF2GenArray *array);
void ipatch_sf2_gen_array_init(IpatchSF2GenArray *array, gboolean offset,
gboolean set);
gboolean ipatch_sf2_gen_array_offset(IpatchSF2GenArray *abs_array,
const IpatchSF2GenArray *ofs_array);
gboolean ipatch_sf2_gen_array_intersect_test(const IpatchSF2GenArray *array1,
const IpatchSF2GenArray *array2);
guint ipatch_sf2_gen_array_count_set(IpatchSF2GenArray *array);
void ipatch_sf2_gen_amount_to_value(guint genid, const IpatchSF2GenAmount *amt,
GValue *value);
void ipatch_sf2_gen_default_value(guint genid, gboolean ispreset,
IpatchSF2GenAmount *out_amt);
gboolean ipatch_sf2_gen_offset(guint genid, IpatchSF2GenAmount *dst,
const IpatchSF2GenAmount *ofs);
void ipatch_sf2_gen_clamp(guint genid, int *sfval, gboolean ispreset);
gboolean ipatch_sf2_gen_range_intersect(IpatchSF2GenAmount *dst,
const IpatchSF2GenAmount *src);
gboolean ipatch_sf2_gen_range_intersect_test(const IpatchSF2GenAmount *amt1,
const IpatchSF2GenAmount *amt2);
G_CONST_RETURN char *ipatch_sf2_gen_get_prop_name(guint genid);
#endif