78 lines
2.9 KiB
C
78 lines
2.9 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_VOICE_H
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#define _FLUIDSYNTH_VOICE_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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* @defgroup voices Voice Manipulation
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* @ingroup soundfonts
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*
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* Synthesis voice manipulation functions.
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*
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* The interface to the synthesizer's voices.
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* Examples on using them can be found in the source code of the default SoundFont
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* loader (fluid_defsfont.c).
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*
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* Most of these functions should only be called from within synthesis context,
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* such as the SoundFont loader's noteon method.
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*
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* @{
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*/
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/**
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* Enum used with fluid_voice_add_mod() to specify how to handle duplicate modulators.
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*/
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enum fluid_voice_add_mod
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{
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FLUID_VOICE_OVERWRITE, /**< Overwrite any existing matching modulator */
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FLUID_VOICE_ADD, /**< Add (sum) modulator amounts */
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FLUID_VOICE_DEFAULT /**< For default modulators only, no need to check for duplicates */
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};
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FLUIDSYNTH_API void fluid_voice_add_mod(fluid_voice_t *voice, fluid_mod_t *mod, int mode);
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FLUIDSYNTH_API float fluid_voice_gen_get(fluid_voice_t *voice, int gen);
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FLUIDSYNTH_API void fluid_voice_gen_set(fluid_voice_t *voice, int gen, float val);
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FLUIDSYNTH_API void fluid_voice_gen_incr(fluid_voice_t *voice, int gen, float val);
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FLUIDSYNTH_API unsigned int fluid_voice_get_id(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_get_channel(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_get_key(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_get_actual_key(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_get_velocity(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_get_actual_velocity(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_is_playing(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_is_on(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_is_sustained(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_is_sostenuto(const fluid_voice_t *voice);
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FLUIDSYNTH_API int fluid_voice_optimize_sample(fluid_sample_t *s);
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FLUIDSYNTH_API void fluid_voice_update_param(fluid_voice_t *voice, int gen);
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/* @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FLUIDSYNTH_VOICE_H */
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