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/* FluidSynth - A Software Synthesizer
*
* Copyright (C) 2003 Peter Hanappe and others.
*
* This library 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; either version 2.1 of
* the License, or (at your option) any later version.
*
* 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 library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#ifndef _FLUIDSYNTH_MOD_H
#define _FLUIDSYNTH_MOD_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file mod.h
* @brief SoundFont modulator functions and constants.
*/
/**
* Flags defining the polarity, mapping function and type of a modulator source.
* Compare with SoundFont 2.04 PDF section 8.2.
*
* Note: Bit values do not correspond to the SoundFont spec! Also note that
* #FLUID_MOD_GC and #FLUID_MOD_CC are in the flags field instead of the source field.
*/
enum fluid_mod_flags
{
FLUID_MOD_POSITIVE = 0, /**< Mapping function is positive */
FLUID_MOD_NEGATIVE = 1, /**< Mapping function is negative */
FLUID_MOD_UNIPOLAR = 0, /**< Mapping function is unipolar */
FLUID_MOD_BIPOLAR = 2, /**< Mapping function is bipolar */
FLUID_MOD_LINEAR = 0, /**< Linear mapping function */
FLUID_MOD_CONCAVE = 4, /**< Concave mapping function */
FLUID_MOD_CONVEX = 8, /**< Convex mapping function */
FLUID_MOD_SWITCH = 12, /**< Switch (on/off) mapping function */
FLUID_MOD_GC = 0, /**< General controller source type (#fluid_mod_src) */
FLUID_MOD_CC = 16, /**< MIDI CC controller (source will be a MIDI CC number) */
FLUID_MOD_SIN = 0x80, /**< Custom non-standard sinus mapping function */
};
/**
* General controller (if #FLUID_MOD_GC in flags). This
* corresponds to SoundFont 2.04 PDF section 8.2.1
*/
enum fluid_mod_src
{
FLUID_MOD_NONE = 0, /**< No source controller */
FLUID_MOD_VELOCITY = 2, /**< MIDI note-on velocity */
FLUID_MOD_KEY = 3, /**< MIDI note-on note number */
FLUID_MOD_KEYPRESSURE = 10, /**< MIDI key pressure */
FLUID_MOD_CHANNELPRESSURE = 13, /**< MIDI channel pressure */
FLUID_MOD_PITCHWHEEL = 14, /**< Pitch wheel */
FLUID_MOD_PITCHWHEELSENS = 16 /**< Pitch wheel sensitivity */
};
FLUIDSYNTH_API fluid_mod_t *new_fluid_mod(void);
FLUIDSYNTH_API void delete_fluid_mod(fluid_mod_t *mod);
FLUIDSYNTH_API size_t fluid_mod_sizeof(void);
FLUIDSYNTH_API void fluid_mod_set_source1(fluid_mod_t *mod, int src, int flags);
FLUIDSYNTH_API void fluid_mod_set_source2(fluid_mod_t *mod, int src, int flags);
FLUIDSYNTH_API void fluid_mod_set_dest(fluid_mod_t *mod, int dst);
FLUIDSYNTH_API void fluid_mod_set_amount(fluid_mod_t *mod, double amount);
FLUIDSYNTH_API int fluid_mod_get_source1(const fluid_mod_t *mod);
FLUIDSYNTH_API int fluid_mod_get_flags1(const fluid_mod_t *mod);
FLUIDSYNTH_API int fluid_mod_get_source2(const fluid_mod_t *mod);
FLUIDSYNTH_API int fluid_mod_get_flags2(const fluid_mod_t *mod);
FLUIDSYNTH_API int fluid_mod_get_dest(const fluid_mod_t *mod);
FLUIDSYNTH_API double fluid_mod_get_amount(const fluid_mod_t *mod);
FLUIDSYNTH_API int fluid_mod_test_identity(const fluid_mod_t *mod1, const fluid_mod_t *mod2);
FLUIDSYNTH_API int fluid_mod_has_source(const fluid_mod_t *mod, int cc, int ctrl);
FLUIDSYNTH_API int fluid_mod_has_dest(const fluid_mod_t *mod, int gen);
FLUIDSYNTH_API void fluid_mod_clone(fluid_mod_t *mod, const fluid_mod_t *src);
#ifdef __cplusplus
}
#endif
#endif /* _FLUIDSYNTH_MOD_H */
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