SoundFont Generators

Functions and defines for SoundFont generator effects.

Enumerations

`fluid_gen_type`

Generator (effect) numbers (Soundfont 2.01 specifications section 8.1.3).

Value	Description
`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.
`GEN_PITCH`	Initial Pitch. This is not "standard" SoundFont generator, because it is not mentioned in the list of generators in the SF2 specifications. It is used by FluidSynth internally to compute the nominal pitch of a note on note-on event. By nature it shouldn't be allowed to be modulated, however the specification defines a default modulator having "Initial Pitch" as destination (cf. SF2.01 page 57 section 8.4.10 MIDI Pitch Wheel to Initial Pitch). Thus it is impossible to cancel this default modulator, which would be required to let the MIDI Pitch Wheel controller modulate a different generator. In order to provide this flexibility, FluidSynth >= 2.1.0 uses a default modulator "Pitch Wheel to Fine Tune", rather than Initial Pitch. The same "compromise" can be found on the Audigy 2 ZS for instance.

`GEN_CUSTOM_BALANCE`	Balance. Not a "standard" SoundFont generator

`GEN_CUSTOM_FILTERFC`	Filter cutoff frequency in absolute cents used for custom IIR filter, see `fluid_synth_set_custom_filter()`. Not a "standard" SoundFont generator

`GEN_CUSTOM_FILTERQ`	Filter Q used for custom IIR filter, see `fluid_synth_set_custom_filter()`. Not a "standard" SoundFont generator

`GEN_LAST`