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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 Library General Public License
* as published by the Free Software Foundation; either version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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_VOICE_H
#define _FLUIDSYNTH_VOICE_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file voice.h
* @brief Synthesis voice manipulation functions.
*
* The interface to the synthesizer's voices.
* Examples on using them can be found in fluid_defsfont.c.
* Most of these functions should only be called from within synthesis context,
* such as the SoundFont loader's noteon method.
*/
FLUIDSYNTH_API void fluid_voice_update_param(fluid_voice_t* voice, int gen);
/**
* Enum used with fluid_voice_add_mod() to specify how to handle duplicate modulators.
*/
enum fluid_voice_add_mod {
FLUID_VOICE_OVERWRITE, /**< Overwrite any existing matching modulator */
FLUID_VOICE_ADD, /**< Add (sum) modulator amounts */
FLUID_VOICE_DEFAULT /**< For default modulators only, no need to check for duplicates */
};
FLUIDSYNTH_API void fluid_voice_add_mod(fluid_voice_t* voice, fluid_mod_t* mod, int mode);
FLUIDSYNTH_API void fluid_voice_gen_set(fluid_voice_t* voice, int gen, float val);
FLUIDSYNTH_API float fluid_voice_gen_get(fluid_voice_t* voice, int gen);
FLUIDSYNTH_API void fluid_voice_gen_incr(fluid_voice_t* voice, int gen, float val);
FLUIDSYNTH_API unsigned int fluid_voice_get_id(fluid_voice_t* voice);
FLUIDSYNTH_API int fluid_voice_is_playing(fluid_voice_t* voice);
FLUIDSYNTH_API int fluid_voice_optimize_sample(fluid_sample_t* s);
#ifdef __cplusplus
}
#endif
#endif /* _FLUIDSYNTH_VOICE_H */
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