1 /* FluidSynth - A Software Synthesizer 2 * 3 * Copyright (C) 2003 Peter Hanappe and others. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public License 7 * as published by the Free Software Foundation; either version 2.1 of 8 * the License, or (at your option) any later version. 9 * 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 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free 17 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 18 * 02110-1301, USA 19 */ 20 21 #ifndef _FLUID_MOD_H 22 #define _FLUID_MOD_H 23 24 #include "fluidsynth_priv.h" 25 #include "fluid_conv.h" 26 27 /* 28 * Modulator structure. See SoundFont 2.04 PDF section 8.2. 29 */ 30 struct _fluid_mod_t 31 { 32 unsigned char dest; /**< Destination generator to control */ 33 unsigned char src1; /**< Source controller 1 */ 34 unsigned char flags1; /**< Source controller 1 flags */ 35 unsigned char src2; /**< Source controller 2 */ 36 unsigned char flags2; /**< Source controller 2 flags */ 37 double amount; /**< Multiplier amount */ 38 /* The 'next' field allows to link modulators into a list. It is 39 * not used in fluid_voice.c, there each voice allocates memory for a 40 * fixed number of modulators. Since there may be a huge number of 41 * different zones, this is more efficient. 42 */ 43 fluid_mod_t *next; 44 }; 45 46 fluid_real_t fluid_mod_get_value(fluid_mod_t *mod, fluid_voice_t *voice); 47 int fluid_mod_check_sources(const fluid_mod_t *mod, const char *name); 48 49 #ifdef DEBUG 50 void fluid_dump_modulator(fluid_mod_t *mod); 51 #endif 52 53 54 #endif /* _FLUID_MOD_H */ 55