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livetrax/libs/fluidsynth/src/fluid_mod.h

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1.9 KiB
C

/* 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 _FLUID_MOD_H
#define _FLUID_MOD_H
#include "fluidsynth_priv.h"
#include "fluid_conv.h"
/*
* Modulator structure. See SoundFont 2.04 PDF section 8.2.
*/
struct _fluid_mod_t
{
unsigned char dest; /**< Destination generator to control */
unsigned char src1; /**< Source controller 1 */
unsigned char flags1; /**< Source controller 1 flags */
unsigned char src2; /**< Source controller 2 */
unsigned char flags2; /**< Source controller 2 flags */
double amount; /**< Multiplier amount */
/* The 'next' field allows to link modulators into a list. It is
* not used in fluid_voice.c, there each voice allocates memory for a
* fixed number of modulators. Since there may be a huge number of
* different zones, this is more efficient.
*/
fluid_mod_t *next;
};
fluid_real_t fluid_mod_get_value(fluid_mod_t *mod, fluid_voice_t *voice);
int fluid_mod_check_sources(const fluid_mod_t *mod, const char *name);
#ifdef DEBUG
void fluid_dump_modulator(fluid_mod_t *mod);
#endif
#endif /* _FLUID_MOD_H */