diff options
Diffstat (limited to 'libs/fluidsynth/fluidsynth/gen.h')
| -rw-r--r-- | libs/fluidsynth/fluidsynth/gen.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/libs/fluidsynth/fluidsynth/gen.h b/libs/fluidsynth/fluidsynth/gen.h new file mode 100644 index 0000000000..e4bbc8ef69 --- /dev/null +++ b/libs/fluidsynth/fluidsynth/gen.h @@ -0,0 +1,135 @@ +/* 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 + * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA + */ + +#ifndef _FLUIDSYNTH_GEN_H +#define _FLUIDSYNTH_GEN_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @file gen.h + * @brief Functions and defines for SoundFont generator effects. + */ + +/** + * Generator (effect) numbers (Soundfont 2.01 specifications section 8.1.3) + */ +enum fluid_gen_type { + GEN_STARTADDROFS, /**< Sample start address offset (0-32767) */ + GEN_ENDADDROFS, /**< Sample end address offset (-32767-0) */ + GEN_STARTLOOPADDROFS, /**< Sample loop start address offset (-32767-32767) */ + GEN_ENDLOOPADDROFS, /**< Sample loop end address offset (-32767-32767) */ + GEN_STARTADDRCOARSEOFS, /**< Sample start address coarse offset (X 32768) */ + GEN_MODLFOTOPITCH, /**< Modulation LFO to pitch */ + GEN_VIBLFOTOPITCH, /**< Vibrato LFO to pitch */ + GEN_MODENVTOPITCH, /**< Modulation envelope to pitch */ + GEN_FILTERFC, /**< Filter cutoff */ + GEN_FILTERQ, /**< Filter Q */ + GEN_MODLFOTOFILTERFC, /**< Modulation LFO to filter cutoff */ + GEN_MODENVTOFILTERFC, /**< Modulation envelope to filter cutoff */ + GEN_ENDADDRCOARSEOFS, /**< Sample end address coarse offset (X 32768) */ + GEN_MODLFOTOVOL, /**< Modulation LFO to volume */ + GEN_UNUSED1, /**< Unused */ + GEN_CHORUSSEND, /**< Chorus send amount */ + GEN_REVERBSEND, /**< Reverb send amount */ + GEN_PAN, /**< Stereo panning */ + GEN_UNUSED2, /**< Unused */ + GEN_UNUSED3, /**< Unused */ + GEN_UNUSED4, /**< Unused */ + GEN_MODLFODELAY, /**< Modulation LFO delay */ + GEN_MODLFOFREQ, /**< Modulation LFO frequency */ + GEN_VIBLFODELAY, /**< Vibrato LFO delay */ + GEN_VIBLFOFREQ, /**< Vibrato LFO frequency */ + GEN_MODENVDELAY, /**< Modulation envelope delay */ + GEN_MODENVATTACK, /**< Modulation envelope attack */ + GEN_MODENVHOLD, /**< Modulation envelope hold */ + GEN_MODENVDECAY, /**< Modulation envelope decay */ + GEN_MODENVSUSTAIN, /**< Modulation envelope sustain */ + GEN_MODENVRELEASE, /**< Modulation envelope release */ + GEN_KEYTOMODENVHOLD, /**< Key to modulation envelope hold */ + GEN_KEYTOMODENVDECAY, /**< Key to modulation envelope decay */ + GEN_VOLENVDELAY, /**< Volume envelope delay */ + GEN_VOLENVATTACK, /**< Volume envelope attack */ + GEN_VOLENVHOLD, /**< Volume envelope hold */ + GEN_VOLENVDECAY, /**< Volume envelope decay */ + GEN_VOLENVSUSTAIN, /**< Volume envelope sustain */ + GEN_VOLENVRELEASE, /**< Volume envelope release */ + GEN_KEYTOVOLENVHOLD, /**< Key to volume envelope hold */ + GEN_KEYTOVOLENVDECAY, /**< Key to volume envelope decay */ + GEN_INSTRUMENT, /**< Instrument ID (shouldn't be set by user) */ + GEN_RESERVED1, /**< Reserved */ + GEN_KEYRANGE, /**< MIDI note range */ + GEN_VELRANGE, /**< MIDI velocity range */ + GEN_STARTLOOPADDRCOARSEOFS, /**< Sample start loop address coarse offset (X 32768) */ + GEN_KEYNUM, /**< Fixed MIDI note number */ + GEN_VELOCITY, /**< Fixed MIDI velocity value */ + GEN_ATTENUATION, /**< Initial volume attenuation */ + GEN_RESERVED2, /**< Reserved */ + GEN_ENDLOOPADDRCOARSEOFS, /**< Sample end loop address coarse offset (X 32768) */ + GEN_COARSETUNE, /**< Coarse tuning */ + GEN_FINETUNE, /**< Fine tuning */ + GEN_SAMPLEID, /**< Sample ID (shouldn't be set by user) */ + GEN_SAMPLEMODE, /**< Sample mode flags */ + GEN_RESERVED3, /**< Reserved */ + GEN_SCALETUNE, /**< Scale tuning */ + GEN_EXCLUSIVECLASS, /**< Exclusive class number */ + GEN_OVERRIDEROOTKEY, /**< Sample root note override */ + + /* the initial pitch is not a "standard" generator. It is not + * mentioned in the list of generator in the SF2 specifications. It + * is used, however, as the destination for the default pitch wheel + * modulator. */ + GEN_PITCH, /**< Pitch (NOTE: Not a real SoundFont generator) */ + GEN_LAST /**< Value defines the count of generators (#fluid_gen_type) */ +}; + + +/** + * SoundFont generator structure. + */ +typedef struct _fluid_gen_t +{ + unsigned char flags; /**< Is the generator set or not (#fluid_gen_flags) */ + double val; /**< The nominal value */ + double mod; /**< Change by modulators */ + double nrpn; /**< Change by NRPN messages */ +} fluid_gen_t; + +/** + * Enum value for 'flags' field of #fluid_gen_t (not really flags). + */ +enum fluid_gen_flags +{ + GEN_UNUSED, /**< Generator value is not set */ + GEN_SET, /**< Generator value is set */ + GEN_ABS_NRPN /**< Generator is an absolute value */ +}; + +FLUIDSYNTH_API int fluid_gen_set_default_values(fluid_gen_t* gen); + + + +#ifdef __cplusplus +} +#endif +#endif /* _FLUIDSYNTH_GEN_H */ + |