232 lines
8.7 KiB
C
232 lines
8.7 KiB
C
/* FluidSynth - A Software Synthesizer
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*
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* Copyright (C) 2003 Peter Hanappe and others.
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*
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* SoundFont loading code borrowed from Smurf SoundFont Editor by Josh Green
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#ifndef _FLUID_DEFSFONT_H
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#define _FLUID_DEFSFONT_H
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#include "fluidsynth.h"
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#include "fluidsynth_priv.h"
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#include "fluid_sffile.h"
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#include "fluid_list.h"
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#include "fluid_mod.h"
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#include "fluid_gen.h"
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/*-----------------------------------sfont.h----------------------------*/
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#define SF_SAMPMODES_LOOP 1
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#define SF_SAMPMODES_UNROLL 2
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#define SF_MIN_SAMPLERATE 400
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#define SF_MAX_SAMPLERATE 50000
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#define SF_MIN_SAMPLE_LENGTH 32
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/***************************************************************
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*
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* FORWARD DECLARATIONS
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*/
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typedef struct _fluid_defsfont_t fluid_defsfont_t;
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typedef struct _fluid_defpreset_t fluid_defpreset_t;
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typedef struct _fluid_preset_zone_t fluid_preset_zone_t;
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typedef struct _fluid_inst_t fluid_inst_t;
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typedef struct _fluid_inst_zone_t fluid_inst_zone_t; /**< Soundfont Instrument Zone */
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typedef struct _fluid_voice_zone_t fluid_voice_zone_t;
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/* defines the velocity and key range for a zone */
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struct _fluid_zone_range_t
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{
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int keylo;
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int keyhi;
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int vello;
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int velhi;
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unsigned char ignore; /* set to TRUE for legato playing to ignore this range zone */
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};
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/* Stored on a preset zone to keep track of the inst zones that could start a voice
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* and their combined preset zone/instument zone ranges */
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struct _fluid_voice_zone_t
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{
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fluid_inst_zone_t *inst_zone;
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fluid_zone_range_t range;
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};
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/*
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Public interface
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*/
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fluid_sfont_t *fluid_defsfloader_load(fluid_sfloader_t *loader, const char *filename);
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int fluid_defsfont_sfont_delete(fluid_sfont_t *sfont);
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const char *fluid_defsfont_sfont_get_name(fluid_sfont_t *sfont);
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fluid_preset_t *fluid_defsfont_sfont_get_preset(fluid_sfont_t *sfont, int bank, int prenum);
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void fluid_defsfont_sfont_iteration_start(fluid_sfont_t *sfont);
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fluid_preset_t *fluid_defsfont_sfont_iteration_next(fluid_sfont_t *sfont);
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void fluid_defpreset_preset_delete(fluid_preset_t *preset);
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const char *fluid_defpreset_preset_get_name(fluid_preset_t *preset);
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int fluid_defpreset_preset_get_banknum(fluid_preset_t *preset);
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int fluid_defpreset_preset_get_num(fluid_preset_t *preset);
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int fluid_defpreset_preset_noteon(fluid_preset_t *preset, fluid_synth_t *synth, int chan, int key, int vel);
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int fluid_zone_inside_range(fluid_zone_range_t *zone_range, int key, int vel);
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/*
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* fluid_defsfont_t
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*/
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struct _fluid_defsfont_t
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{
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const fluid_file_callbacks_t *fcbs; /* the file callbacks used to load this Soundfont */
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char *filename; /* the filename of this soundfont */
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unsigned int samplepos; /* the position in the file at which the sample data starts */
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unsigned int samplesize; /* the size of the sample data in bytes */
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short *sampledata; /* the sample data, loaded in ram */
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unsigned int sample24pos; /* position within sffd of the sm24 chunk, set to zero if no 24 bit sample support */
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unsigned int sample24size; /* length within sffd of the sm24 chunk */
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char *sample24data; /* if not NULL, the least significant byte of the 24bit sample data, loaded in ram */
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fluid_sfont_t *sfont; /* pointer to parent sfont */
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fluid_list_t *sample; /* the samples in this soundfont */
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fluid_list_t *preset; /* the presets of this soundfont */
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fluid_list_t *inst; /* the instruments of this soundfont */
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int mlock; /* Should we try memlock (avoid swapping)? */
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int dynamic_samples; /* Enables dynamic sample loading if set */
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fluid_list_t *preset_iter_cur; /* the current preset in the iteration */
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};
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fluid_defsfont_t *new_fluid_defsfont(fluid_settings_t *settings);
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int delete_fluid_defsfont(fluid_defsfont_t *defsfont);
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int fluid_defsfont_load(fluid_defsfont_t *defsfont, const fluid_file_callbacks_t *file_callbacks, const char *file);
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const char *fluid_defsfont_get_name(fluid_defsfont_t *defsfont);
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fluid_preset_t *fluid_defsfont_get_preset(fluid_defsfont_t *defsfont, int bank, int prenum);
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void fluid_defsfont_iteration_start(fluid_defsfont_t *defsfont);
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fluid_preset_t *fluid_defsfont_iteration_next(fluid_defsfont_t *defsfont);
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int fluid_defsfont_load_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata, fluid_sample_t *sample);
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int fluid_defsfont_load_all_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata);
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int fluid_defsfont_add_sample(fluid_defsfont_t *defsfont, fluid_sample_t *sample);
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int fluid_defsfont_add_preset(fluid_defsfont_t *defsfont, fluid_defpreset_t *defpreset);
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/*
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* fluid_preset_t
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*/
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struct _fluid_defpreset_t
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{
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fluid_defpreset_t *next;
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fluid_defsfont_t *defsfont; /* the soundfont this preset belongs to */
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char name[21]; /* the name of the preset */
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unsigned int bank; /* the bank number */
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unsigned int num; /* the preset number */
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fluid_preset_zone_t *global_zone; /* the global zone of the preset */
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fluid_preset_zone_t *zone; /* the chained list of preset zones */
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};
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fluid_defpreset_t *new_fluid_defpreset(fluid_defsfont_t *defsfont);
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void delete_fluid_defpreset(fluid_defpreset_t *defpreset);
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fluid_defpreset_t *fluid_defpreset_next(fluid_defpreset_t *defpreset);
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int fluid_defpreset_import_sfont(fluid_defpreset_t *defpreset, SFPreset *sfpreset, fluid_defsfont_t *defsfont);
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int fluid_defpreset_set_global_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone);
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int fluid_defpreset_add_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone);
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fluid_preset_zone_t *fluid_defpreset_get_zone(fluid_defpreset_t *defpreset);
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fluid_preset_zone_t *fluid_defpreset_get_global_zone(fluid_defpreset_t *defpreset);
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int fluid_defpreset_get_banknum(fluid_defpreset_t *defpreset);
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int fluid_defpreset_get_num(fluid_defpreset_t *defpreset);
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const char *fluid_defpreset_get_name(fluid_defpreset_t *defpreset);
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int fluid_defpreset_noteon(fluid_defpreset_t *defpreset, fluid_synth_t *synth, int chan, int key, int vel);
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/*
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* fluid_preset_zone
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*/
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struct _fluid_preset_zone_t
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{
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fluid_preset_zone_t *next;
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char *name;
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fluid_inst_t *inst;
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fluid_list_t *voice_zone;
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fluid_zone_range_t range;
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fluid_gen_t gen[GEN_LAST];
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fluid_mod_t *mod; /* List of modulators */
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};
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fluid_preset_zone_t *new_fluid_preset_zone(char *name);
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void delete_fluid_preset_zone(fluid_preset_zone_t *zone);
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fluid_preset_zone_t *fluid_preset_zone_next(fluid_preset_zone_t *zone);
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int fluid_preset_zone_import_sfont(fluid_preset_zone_t *zone, SFZone *sfzone, fluid_defsfont_t *defssfont);
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fluid_inst_t *fluid_preset_zone_get_inst(fluid_preset_zone_t *zone);
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/*
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* fluid_inst_t
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*/
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struct _fluid_inst_t
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{
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char name[21];
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int source_idx; /* Index of instrument in source Soundfont */
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fluid_inst_zone_t *global_zone;
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fluid_inst_zone_t *zone;
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};
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fluid_inst_t *new_fluid_inst(void);
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fluid_inst_t *fluid_inst_import_sfont(SFInst *sfinst, fluid_defsfont_t *defsfont);
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void delete_fluid_inst(fluid_inst_t *inst);
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int fluid_inst_set_global_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone);
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int fluid_inst_add_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone);
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fluid_inst_zone_t *fluid_inst_get_zone(fluid_inst_t *inst);
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fluid_inst_zone_t *fluid_inst_get_global_zone(fluid_inst_t *inst);
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/*
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* fluid_inst_zone_t
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*/
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struct _fluid_inst_zone_t
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{
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fluid_inst_zone_t *next;
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char *name;
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fluid_sample_t *sample;
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fluid_zone_range_t range;
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fluid_gen_t gen[GEN_LAST];
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fluid_mod_t *mod; /* List of modulators */
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};
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fluid_inst_zone_t *new_fluid_inst_zone(char *name);
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void delete_fluid_inst_zone(fluid_inst_zone_t *zone);
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fluid_inst_zone_t *fluid_inst_zone_next(fluid_inst_zone_t *zone);
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int fluid_inst_zone_import_sfont(fluid_inst_zone_t *inst_zone, SFZone *sfzone, fluid_defsfont_t *defsfont);
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fluid_sample_t *fluid_inst_zone_get_sample(fluid_inst_zone_t *zone);
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int fluid_sample_import_sfont(fluid_sample_t *sample, SFSample *sfsample, fluid_defsfont_t *defsfont);
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int fluid_sample_in_rom(fluid_sample_t *sample);
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#endif /* _FLUID_SFONT_H */
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