1 /* FluidSynth - A Software Synthesizer
3 * Copyright (C) 2003 Peter Hanappe and others.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public License
7 * as published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the Free
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #ifndef _FLUIDSYNTH_VOICE_H
22 #define _FLUIDSYNTH_VOICE_H
30 * @brief Synthesis voice manipulation functions.
32 * The interface to the synthesizer's voices.
33 * Examples on using them can be found in fluid_defsfont.c.
34 * Most of these functions should only be called from within synthesis context,
35 * such as the SoundFont loader's noteon method.
39 FLUIDSYNTH_API
void fluid_voice_update_param(fluid_voice_t
* voice
, int gen
);
42 * Enum used with fluid_voice_add_mod() to specify how to handle duplicate modulators.
44 enum fluid_voice_add_mod
{
45 FLUID_VOICE_OVERWRITE
, /**< Overwrite any existing matching modulator */
46 FLUID_VOICE_ADD
, /**< Add (sum) modulator amounts */
47 FLUID_VOICE_DEFAULT
/**< For default modulators only, no need to check for duplicates */
50 FLUIDSYNTH_API
void fluid_voice_add_mod(fluid_voice_t
* voice
, fluid_mod_t
* mod
, int mode
);
51 FLUIDSYNTH_API
void fluid_voice_gen_set(fluid_voice_t
* voice
, int gen
, float val
);
52 FLUIDSYNTH_API
float fluid_voice_gen_get(fluid_voice_t
* voice
, int gen
);
53 FLUIDSYNTH_API
void fluid_voice_gen_incr(fluid_voice_t
* voice
, int gen
, float val
);
55 FLUIDSYNTH_API
unsigned int fluid_voice_get_id(fluid_voice_t
* voice
);
56 FLUIDSYNTH_API
int fluid_voice_is_playing(fluid_voice_t
* voice
);
57 FLUIDSYNTH_API
int fluid_voice_optimize_sample(fluid_sample_t
* s
);
63 #endif /* _FLUIDSYNTH_VOICE_H */