voice.h
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上传日期:2020-08-17
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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
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307, 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 */