/* 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 */ #include "fluid_gen.h" #include "fluid_chan.h" /* See SFSpec21 $8.1.3 */ static const fluid_gen_info_t fluid_gen_info[] = { /* number/name init nrpn-scale min max def */ { GEN_STARTADDROFS, 1, 1, 0.0f, 1e10f, 0.0f }, { GEN_ENDADDROFS, 1, 1, -1e10f, 0.0f, 0.0f }, { GEN_STARTLOOPADDROFS, 1, 1, -1e10f, 1e10f, 0.0f }, { GEN_ENDLOOPADDROFS, 1, 1, -1e10f, 1e10f, 0.0f }, { GEN_STARTADDRCOARSEOFS, 0, 1, 0.0f, 1e10f, 0.0f }, { GEN_MODLFOTOPITCH, 1, 2, -12000.0f, 12000.0f, 0.0f }, { GEN_VIBLFOTOPITCH, 1, 2, -12000.0f, 12000.0f, 0.0f }, { GEN_MODENVTOPITCH, 1, 2, -12000.0f, 12000.0f, 0.0f }, { GEN_FILTERFC, 1, 2, 1500.0f, 13500.0f, 13500.0f }, { GEN_FILTERQ, 1, 1, 0.0f, 960.0f, 0.0f }, { GEN_MODLFOTOFILTERFC, 1, 2, -12000.0f, 12000.0f, 0.0f }, { GEN_MODENVTOFILTERFC, 1, 2, -12000.0f, 12000.0f, 0.0f }, { GEN_ENDADDRCOARSEOFS, 0, 1, -1e10f, 0.0f, 0.0f }, { GEN_MODLFOTOVOL, 1, 1, -960.0f, 960.0f, 0.0f }, { GEN_UNUSED1, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_CHORUSSEND, 1, 1, 0.0f, 1000.0f, 0.0f }, { GEN_REVERBSEND, 1, 1, 0.0f, 1000.0f, 0.0f }, { GEN_PAN, 1, 1, -500.0f, 500.0f, 0.0f }, { GEN_UNUSED2, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_UNUSED3, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_UNUSED4, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_MODLFODELAY, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_MODLFOFREQ, 1, 4, -16000.0f, 4500.0f, 0.0f }, { GEN_VIBLFODELAY, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_VIBLFOFREQ, 1, 4, -16000.0f, 4500.0f, 0.0f }, { GEN_MODENVDELAY, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_MODENVATTACK, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_MODENVHOLD, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_MODENVDECAY, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_MODENVSUSTAIN, 0, 1, 0.0f, 1000.0f, 0.0f }, { GEN_MODENVRELEASE, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_KEYTOMODENVHOLD, 0, 1, -1200.0f, 1200.0f, 0.0f }, { GEN_KEYTOMODENVDECAY, 0, 1, -1200.0f, 1200.0f, 0.0f }, { GEN_VOLENVDELAY, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_VOLENVATTACK, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_VOLENVHOLD, 1, 2, -12000.0f, 5000.0f, -12000.0f }, { GEN_VOLENVDECAY, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_VOLENVSUSTAIN, 0, 1, 0.0f, 1440.0f, 0.0f }, { GEN_VOLENVRELEASE, 1, 2, -12000.0f, 8000.0f, -12000.0f }, { GEN_KEYTOVOLENVHOLD, 0, 1, -1200.0f, 1200.0f, 0.0f }, { GEN_KEYTOVOLENVDECAY, 0, 1, -1200.0f, 1200.0f, 0.0f }, { GEN_INSTRUMENT, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_RESERVED1, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_KEYRANGE, 0, 0, 0.0f, 127.0f, 0.0f }, { GEN_VELRANGE, 0, 0, 0.0f, 127.0f, 0.0f }, { GEN_STARTLOOPADDRCOARSEOFS, 0, 1, -1e10f, 1e10f, 0.0f }, { GEN_KEYNUM, 1, 0, 0.0f, 127.0f, -1.0f }, { GEN_VELOCITY, 1, 1, 0.0f, 127.0f, -1.0f }, { GEN_ATTENUATION, 1, 1, 0.0f, 1440.0f, 0.0f }, { GEN_RESERVED2, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_ENDLOOPADDRCOARSEOFS, 0, 1, -1e10f, 1e10f, 0.0f }, { GEN_COARSETUNE, 0, 1, -120.0f, 120.0f, 0.0f }, { GEN_FINETUNE, 0, 1, -99.0f, 99.0f, 0.0f }, { GEN_SAMPLEID, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_SAMPLEMODE, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_RESERVED3, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_SCALETUNE, 0, 1, 0.0f, 1200.0f, 100.0f }, { GEN_EXCLUSIVECLASS, 0, 0, 0.0f, 0.0f, 0.0f }, { GEN_OVERRIDEROOTKEY, 1, 0, 0.0f, 127.0f, -1.0f }, { GEN_PITCH, 1, 0, 0.0f, 127.0f, 0.0f }, { GEN_CUSTOM_BALANCE, 1, 0, -960.0f, 960.0f, 0.0f }, { GEN_CUSTOM_FILTERFC, 1, 2, 0.0f, 22050.0f, 0.0f }, { GEN_CUSTOM_FILTERQ, 1, 1, 0.0f, 960.0f, 0.0f } }; /* fluid_gen_init * * Set an array of generators to their initial value */ void fluid_gen_init(fluid_gen_t *gen, fluid_channel_t *channel) { int i; for(i = 0; i < GEN_LAST; i++) { gen[i].flags = GEN_UNUSED; gen[i].mod = 0.0; gen[i].nrpn = (channel == NULL) ? 0.0 : fluid_channel_get_gen(channel, i); gen[i].val = fluid_gen_info[i].def; } } fluid_real_t fluid_gen_scale(int gen, float value) { return (fluid_gen_info[gen].min + value * (fluid_gen_info[gen].max - fluid_gen_info[gen].min)); } fluid_real_t fluid_gen_scale_nrpn(int gen, int data) { data = data - 8192; fluid_clip(data, -8192, 8192); return (fluid_real_t)(data * fluid_gen_info[gen].nrpn_scale); }