99 lines
4.0 KiB
C
99 lines
4.0 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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* 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 _FLUIDSYNTH_MOD_H
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#define _FLUIDSYNTH_MOD_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @file mod.h
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* @brief SoundFont modulator functions and constants.
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*/
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/**
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* Flags defining the polarity, mapping function and type of a modulator source.
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* Compare with SoundFont 2.04 PDF section 8.2.
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*
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* Note: Bit values do not correspond to the SoundFont spec! Also note that
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* #FLUID_MOD_GC and #FLUID_MOD_CC are in the flags field instead of the source field.
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*/
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enum fluid_mod_flags
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{
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FLUID_MOD_POSITIVE = 0, /**< Mapping function is positive */
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FLUID_MOD_NEGATIVE = 1, /**< Mapping function is negative */
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FLUID_MOD_UNIPOLAR = 0, /**< Mapping function is unipolar */
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FLUID_MOD_BIPOLAR = 2, /**< Mapping function is bipolar */
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FLUID_MOD_LINEAR = 0, /**< Linear mapping function */
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FLUID_MOD_CONCAVE = 4, /**< Concave mapping function */
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FLUID_MOD_CONVEX = 8, /**< Convex mapping function */
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FLUID_MOD_SWITCH = 12, /**< Switch (on/off) mapping function */
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FLUID_MOD_GC = 0, /**< General controller source type (#fluid_mod_src) */
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FLUID_MOD_CC = 16, /**< MIDI CC controller (source will be a MIDI CC number) */
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FLUID_MOD_SIN = 0x80, /**< Custom non-standard sinus mapping function */
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};
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/**
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* General controller (if #FLUID_MOD_GC in flags). This
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* corresponds to SoundFont 2.04 PDF section 8.2.1
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*/
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enum fluid_mod_src
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{
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FLUID_MOD_NONE = 0, /**< No source controller */
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FLUID_MOD_VELOCITY = 2, /**< MIDI note-on velocity */
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FLUID_MOD_KEY = 3, /**< MIDI note-on note number */
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FLUID_MOD_KEYPRESSURE = 10, /**< MIDI key pressure */
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FLUID_MOD_CHANNELPRESSURE = 13, /**< MIDI channel pressure */
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FLUID_MOD_PITCHWHEEL = 14, /**< Pitch wheel */
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FLUID_MOD_PITCHWHEELSENS = 16 /**< Pitch wheel sensitivity */
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};
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FLUIDSYNTH_API fluid_mod_t *new_fluid_mod(void);
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FLUIDSYNTH_API void delete_fluid_mod(fluid_mod_t *mod);
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FLUIDSYNTH_API size_t fluid_mod_sizeof(void);
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FLUIDSYNTH_API void fluid_mod_set_source1(fluid_mod_t *mod, int src, int flags);
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FLUIDSYNTH_API void fluid_mod_set_source2(fluid_mod_t *mod, int src, int flags);
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FLUIDSYNTH_API void fluid_mod_set_dest(fluid_mod_t *mod, int dst);
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FLUIDSYNTH_API void fluid_mod_set_amount(fluid_mod_t *mod, double amount);
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FLUIDSYNTH_API int fluid_mod_get_source1(const fluid_mod_t *mod);
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FLUIDSYNTH_API int fluid_mod_get_flags1(const fluid_mod_t *mod);
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FLUIDSYNTH_API int fluid_mod_get_source2(const fluid_mod_t *mod);
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FLUIDSYNTH_API int fluid_mod_get_flags2(const fluid_mod_t *mod);
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FLUIDSYNTH_API int fluid_mod_get_dest(const fluid_mod_t *mod);
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FLUIDSYNTH_API double fluid_mod_get_amount(const fluid_mod_t *mod);
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FLUIDSYNTH_API int fluid_mod_test_identity(const fluid_mod_t *mod1, const fluid_mod_t *mod2);
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FLUIDSYNTH_API int fluid_mod_has_source(const fluid_mod_t *mod, int cc, int ctrl);
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FLUIDSYNTH_API int fluid_mod_has_dest(const fluid_mod_t *mod, int gen);
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FLUIDSYNTH_API void fluid_mod_clone(fluid_mod_t *mod, const fluid_mod_t *src);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FLUIDSYNTH_MOD_H */
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