mirror of
https://github.com/vsariola/sointu.git
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style: group types into fewer, logical files
This commit is contained in:
5684185+vsariola@users.noreply.github.com
parent
0187cc66ec
commit
e4a2ed9f32
42
audio.go
42
audio.go
@ -7,28 +7,30 @@ import (
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"math"
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)
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// AudioBuffer is a buffer of stereo audio samples of variable length, each
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// sample represented by a slice of [2]float32. [0] is left channel, [1] is
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// right
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type AudioBuffer [][2]float32
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type (
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// AudioBuffer is a buffer of stereo audio samples of variable length, each
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// sample represented by a slice of [2]float32. [0] is left channel, [1] is
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// right
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AudioBuffer [][2]float32
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// AudioOutput represents something where we can send audio e.g. audio output.
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// WriteAudio should block if not ready to accept audio e.g. buffer full.
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type AudioOutput interface {
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WriteAudio(buffer AudioBuffer) error
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Close() error
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}
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// AudioOutput represents something where we can send audio e.g. audio output.
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// WriteAudio should block if not ready to accept audio e.g. buffer full.
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AudioOutput interface {
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WriteAudio(buffer AudioBuffer) error
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Close() error
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}
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// AudioContext represents the low-level audio drivers. There should be at most
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// one AudioContext at a time. The interface is implemented at least by
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// oto.OtoContext, but in future we could also mock it.
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//
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// AudioContext is used to create one or more AudioOutputs with Output(); each
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// can be used to output separate sound & closed when done.
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type AudioContext interface {
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Output() AudioOutput
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Close() error
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}
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// AudioContext represents the low-level audio drivers. There should be at most
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// one AudioContext at a time. The interface is implemented at least by
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// oto.OtoContext, but in future we could also mock it.
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//
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// AudioContext is used to create one or more AudioOutputs with Output(); each
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// can be used to output separate sound & closed when done.
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AudioContext interface {
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Output() AudioOutput
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Close() error
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}
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)
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// Wav converts a stereo signal of 32-bit floats (L R L R..., length should be
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// divisible by 2) into a valid WAV-file, returned as a []byte array.
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@ -1,18 +0,0 @@
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package sointu
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// Instrument includes a list of units consisting of the instrument, and the number of polyphonic voices for this instrument
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type Instrument struct {
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Name string `yaml:",omitempty"`
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Comment string `yaml:",omitempty"`
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NumVoices int
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Units []Unit
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}
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// Copy makes a deep copy of an Instrument
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func (instr *Instrument) Copy() Instrument {
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units := make([]Unit, len(instr.Units))
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for i, u := range instr.Units {
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units[i] = u.Copy()
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}
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return Instrument{Name: instr.Name, Comment: instr.Comment, NumVoices: instr.NumVoices, Units: units}
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}
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23
order.go
23
order.go
@ -1,23 +0,0 @@
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package sointu
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// Order is the pattern order for a track, in practice just a slice of integers,
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// but provides convenience functions that return -1 values for indices out of
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// bounds of the array, and functions to increase the size of the slice only by
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// necessary amount when a new item is added, filling the unused slots with -1s.
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type Order []int
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// Get returns the value at index; or -1 is the index is out of range
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func (s Order) Get(index int) int {
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if index < 0 || index >= len(s) {
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return -1
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}
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return s[index]
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}
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// Set sets the value at index; appending -1s until the slice is long enough.
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func (s *Order) Set(index, value int) {
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for len(*s) <= index {
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*s = append(*s, -1)
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}
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(*s)[index] = value
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}
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248
patch.go
248
patch.go
@ -6,8 +6,252 @@ import (
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"math"
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)
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// Patch is simply a list of instruments used in a song
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type Patch []Instrument
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type (
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// Patch is simply a list of instruments used in a song
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Patch []Instrument
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// Instrument includes a list of units consisting of the instrument, and the number of polyphonic voices for this instrument
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Instrument struct {
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Name string `yaml:",omitempty"`
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Comment string `yaml:",omitempty"`
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NumVoices int
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Units []Unit
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}
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// Unit is e.g. a filter, oscillator, envelope and its parameters
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Unit struct {
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// Type is the type of the unit, e.g. "add","oscillator" or "envelope".
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// Always in lowercase. "" type should be ignored, no invalid types should
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// be used.
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Type string `yaml:",omitempty"`
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// ID should be a unique ID for this unit, used by SEND units to target
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// specific units. ID = 0 means that no ID has been given to a unit and thus
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// cannot be targeted by SENDs. When possible, units that are not targeted
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// by any SENDs should be cleaned from having IDs, e.g. to keep the exported
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// data clean.
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ID int `yaml:",omitempty"`
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// Parameters is a map[string]int of parameters of a unit. For example, for
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// an oscillator, unit.Type == "oscillator" and unit.Parameters["attack"]
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// could be 64. Most parameters are either limites to 0 and 1 (e.g. stereo
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// parameters) or between 0 and 128, inclusive.
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Parameters map[string]int `yaml:",flow"`
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// VarArgs is a list containing the variable number arguments that some
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// units require, most notably the DELAY units. For example, for a DELAY
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// unit, VarArgs is the delaytimes, in samples, of the different delaylines
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// in the unit.
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VarArgs []int `yaml:",flow,omitempty"`
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}
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// UnitParameter documents one parameter that an unit takes
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UnitParameter struct {
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Name string // thould be found with this name in the Unit.Parameters map
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MinValue int // minimum value of the parameter, inclusive
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MaxValue int // maximum value of the parameter, inclusive
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CanSet bool // if this parameter can be set before hand i.e. through the gui
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CanModulate bool // if this parameter can be modulated i.e. has a port number in "send" unit
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}
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)
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// UnitTypes documents all the available unit types and if they support stereo variant
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// and what parameters they take.
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var UnitTypes = map[string]([]UnitParameter){
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"add": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"addp": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"pop": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"loadnote": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"mul": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"mulp": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"push": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"xch": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"distort": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "drive", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"hold": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "holdfreq", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"crush": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "resolution", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"gain": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"invgain": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"filter": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "frequency", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "resonance", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "lowpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "bandpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "highpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "negbandpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "neghighpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"clip": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"pan": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "panning", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"delay": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "pregain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "dry", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "feedback", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "damp", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "notetracking", MinValue: 0, MaxValue: 2, CanSet: true, CanModulate: false},
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{Name: "delaytime", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true}},
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"compressor": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "threshold", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "ratio", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"speed": []UnitParameter{},
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"out": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"outaux": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "outgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "auxgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"aux": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "channel", MinValue: 0, MaxValue: 6, CanSet: true, CanModulate: false}},
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"send": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "amount", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "voice", MinValue: 0, MaxValue: 32, CanSet: true, CanModulate: false},
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{Name: "target", MinValue: 0, MaxValue: math.MaxInt32, CanSet: true, CanModulate: false},
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{Name: "port", MinValue: 0, MaxValue: 7, CanSet: true, CanModulate: false},
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{Name: "sendpop", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
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"envelope": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "decay", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"noise": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "shape", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"oscillator": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "transpose", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "detune", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "phase", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "color", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "shape", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
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{Name: "frequency", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true},
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{Name: "type", MinValue: int(Sine), MaxValue: int(Sample), CanSet: true, CanModulate: false},
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{Name: "lfo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "unison", MinValue: 0, MaxValue: 3, CanSet: true, CanModulate: false},
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{Name: "samplestart", MinValue: 0, MaxValue: 1720329, CanSet: true, CanModulate: false},
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{Name: "loopstart", MinValue: 0, MaxValue: 65535, CanSet: true, CanModulate: false},
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{Name: "looplength", MinValue: 0, MaxValue: 65535, CanSet: true, CanModulate: false}},
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"loadval": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "value", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
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"receive": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "left", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true},
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{Name: "right", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true}},
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"in": []UnitParameter{
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{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
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{Name: "channel", MinValue: 0, MaxValue: 6, CanSet: true, CanModulate: false}},
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"sync": []UnitParameter{},
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}
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// When unit.Type = "oscillator", its unit.Parameter["Type"] tells the type of
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// the oscillator. There is five different oscillator types, so these consts
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// just enumerate them.
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const (
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Sine = iota
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Trisaw = iota
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Pulse = iota
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Gate = iota
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Sample = iota
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)
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// Ports is static map allowing quickly finding the parameters of a unit that
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// can be modulated. This is populated based on the UnitTypes list during
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// init(). Thus, should be immutable, but Go not supporting that, then this will
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// have to suffice: DO NOT EVER CHANGE THIS MAP.
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var Ports = make(map[string]([]string))
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func init() {
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for name, unitType := range UnitTypes {
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unitPorts := make([]string, 0)
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for _, param := range unitType {
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if param.CanModulate {
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unitPorts = append(unitPorts, param.Name)
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}
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}
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Ports[name] = unitPorts
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}
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}
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// Copy makes a deep copy of a unit.
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func (u *Unit) Copy() Unit {
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parameters := make(map[string]int)
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for k, v := range u.Parameters {
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parameters[k] = v
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}
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varArgs := make([]int, len(u.VarArgs))
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copy(varArgs, u.VarArgs)
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return Unit{Type: u.Type, Parameters: parameters, VarArgs: varArgs, ID: u.ID}
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}
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// StackChange returns how this unit will affect the signal stack. "pop" and
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// "addp" and such will consume the topmost signal, and thus return -1 (or -2,
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// if the unit is a stereo unit). On the other hand, "oscillator" and "envelope"
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// will produce a signal, and thus return 1 (or 2, if the unit is a stereo
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// unit). Effects that just change the topmost signal and will not change the
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// number of signals on the stack and thus return 0.
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func (u *Unit) StackChange() int {
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switch u.Type {
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case "addp", "mulp", "pop", "out", "outaux", "aux":
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return -1 - u.Parameters["stereo"]
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case "envelope", "oscillator", "push", "noise", "receive", "loadnote", "loadval", "in", "compressor":
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return 1 + u.Parameters["stereo"]
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case "pan":
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return 1 - u.Parameters["stereo"]
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case "speed":
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return -1
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case "send":
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return (-1 - u.Parameters["stereo"]) * u.Parameters["sendpop"]
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}
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return 0
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}
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|
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// StackNeed returns the number of signals that should be on the stack before
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// this unit is executed. Used to prevent stack underflow. Units producing
|
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// signals do not care what is on the stack before and will return 0.
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func (u *Unit) StackNeed() int {
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switch u.Type {
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case "", "envelope", "oscillator", "noise", "receive", "loadnote", "loadval", "in":
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return 0
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case "mulp", "mul", "add", "addp", "xch":
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return 2 * (1 + u.Parameters["stereo"])
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case "speed":
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return 1
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}
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return 1 + u.Parameters["stereo"]
|
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}
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|
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// Copy makes a deep copy of an Instrument
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func (instr *Instrument) Copy() Instrument {
|
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units := make([]Unit, len(instr.Units))
|
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for i, u := range instr.Units {
|
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units[i] = u.Copy()
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}
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return Instrument{Name: instr.Name, Comment: instr.Comment, NumVoices: instr.NumVoices, Units: units}
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}
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|
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// Copy makes a deep copy of a Patch.
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func (p Patch) Copy() Patch {
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23
pattern.go
23
pattern.go
@ -1,23 +0,0 @@
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package sointu
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|
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// Pattern represents a single pattern of note, in practice just a slice of bytes,
|
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// but provides convenience functions that return 1 values (hold) for indices out of
|
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// bounds of the array, and functions to increase the size of the slice only by
|
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// necessary amount when a new item is added, filling the unused slots with 1s.
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type Pattern []byte
|
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|
||||
// Get returns the value at index; or 1 is the index is out of range
|
||||
func (s Pattern) Get(index int) byte {
|
||||
if index < 0 || index >= len(s) {
|
||||
return 1
|
||||
}
|
||||
return s[index]
|
||||
}
|
||||
|
||||
// Set sets the value at index; appending 1s until the slice is long enough.
|
||||
func (s *Pattern) Set(index int, value byte) {
|
||||
for len(*s) <= index {
|
||||
*s = append(*s, 1)
|
||||
}
|
||||
(*s)[index] = value
|
||||
}
|
||||
49
score.go
49
score.go
@ -1,49 +0,0 @@
|
||||
package sointu
|
||||
|
||||
// Score represents the arrangement of notes in a song; just a list of tracks
|
||||
// and RowsPerPattern and Length (in patterns) to know the desired length of a
|
||||
// song in rows. If any of the tracks is too short, all the notes outside the
|
||||
// range should be just considered as holding the last note.
|
||||
type Score struct {
|
||||
Tracks []Track
|
||||
RowsPerPattern int // number of rows in each pattern
|
||||
Length int // length of the song, in number of patterns
|
||||
}
|
||||
|
||||
// Copy makes a deep copy of a Score.
|
||||
func (l Score) Copy() Score {
|
||||
tracks := make([]Track, len(l.Tracks))
|
||||
for i, t := range l.Tracks {
|
||||
tracks[i] = t.Copy()
|
||||
}
|
||||
return Score{Tracks: tracks, RowsPerPattern: l.RowsPerPattern, Length: l.Length}
|
||||
}
|
||||
|
||||
// NumVoices returns the total number of voices used in the Score; summing the
|
||||
// voices of every track
|
||||
func (l Score) NumVoices() int {
|
||||
ret := 0
|
||||
for _, t := range l.Tracks {
|
||||
ret += t.NumVoices
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// FirstVoiceForTrack returns the index of the first voice of given track. For
|
||||
// example, if the Score has three tracks (0, 1 and 2), with 1, 3, 2 voices,
|
||||
// respectively, then FirstVoiceForTrack(0) returns 0, FirstVoiceForTrack(1)
|
||||
// returns 1 and FirstVoiceForTrack(2) returns 4. Essentially computes just the
|
||||
// cumulative sum.
|
||||
func (l Score) FirstVoiceForTrack(track int) int {
|
||||
ret := 0
|
||||
for _, t := range l.Tracks[:track] {
|
||||
ret += t.NumVoices
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// LengthInRows returns just RowsPerPattern * Length, as the length is the
|
||||
// length in the number of patterns.
|
||||
func (l Score) LengthInRows() int {
|
||||
return l.RowsPerPattern * l.Length
|
||||
}
|
||||
162
song.go
162
song.go
@ -4,17 +4,157 @@ import (
|
||||
"errors"
|
||||
)
|
||||
|
||||
// Song includes a Score(the arrangement of notes in the song in one or more
|
||||
// tracks) and a Patch (the list of one or more instruments). Additionally, BPM
|
||||
// and RowsPerBeat fields set how fast the song should be played. Currently, BPM
|
||||
// is an integer as it offers already quite much granularity for controlling the
|
||||
// playback speed, but this could be changed to a floating point in future if
|
||||
// finer adjustments are necessary.
|
||||
type Song struct {
|
||||
BPM int
|
||||
RowsPerBeat int
|
||||
Score Score
|
||||
Patch Patch
|
||||
type (
|
||||
// Song includes a Score (the arrangement of notes in the song in one or more
|
||||
// tracks) and a Patch (the list of one or more instruments). Additionally,
|
||||
// BPM and RowsPerBeat fields set how fast the song should be played.
|
||||
// Currently, BPM is an integer as it offers already quite much granularity
|
||||
// for controlling the playback speed, but this could be changed to a
|
||||
// floating point in future if finer adjustments are necessary.
|
||||
Song struct {
|
||||
BPM int
|
||||
RowsPerBeat int
|
||||
Score Score
|
||||
Patch Patch
|
||||
}
|
||||
|
||||
// Score represents the arrangement of notes in a song; just a list of
|
||||
// tracks and RowsPerPattern and Length (in patterns) to know the desired
|
||||
// length of a song in rows. If any of the tracks is too short, all the
|
||||
// notes outside the range should be just considered as holding the last
|
||||
// note.
|
||||
Score struct {
|
||||
Tracks []Track
|
||||
RowsPerPattern int // number of rows in each pattern
|
||||
Length int // length of the song, in number of patterns
|
||||
}
|
||||
|
||||
// Track represents the patterns and orderlist for each track. Note that
|
||||
// each track has its own patterns, so one track cannot use another tracks
|
||||
// patterns. This makes the data more intuitive to humans, as the reusing of
|
||||
// patterns over tracks is a rather rare occurence. However, the compiler
|
||||
// will put all the patterns in one global table (identical patterns only
|
||||
// appearing once), to optimize the runtime code.
|
||||
Track struct {
|
||||
// NumVoices is the number of voices this track triggers, cycling through
|
||||
// the voices. When this track triggers a new voice, the previous should be
|
||||
// released.
|
||||
NumVoices int
|
||||
|
||||
// Effect hints the GUI if this is more of an effect track than a note
|
||||
// track: if true, e.g. the GUI can display the values as hexadecimals
|
||||
// instead of note values.
|
||||
Effect bool `yaml:",omitempty"`
|
||||
|
||||
// Order is a list telling which pattern comes in which order in the song in
|
||||
// this track.
|
||||
Order Order `yaml:",flow"`
|
||||
|
||||
// Patterns is a list of Patterns for this track.
|
||||
Patterns []Pattern `yaml:",flow"`
|
||||
}
|
||||
|
||||
// Pattern represents a single pattern of note, in practice just a slice of
|
||||
// bytes, but provides convenience functions that return 1 values (hold) for
|
||||
// indices out of bounds of the array, and functions to increase the size of
|
||||
// the slice only by necessary amount when a new item is added, filling the
|
||||
// unused slots with 1s.
|
||||
Pattern []byte
|
||||
|
||||
// Order is the pattern order for a track, in practice just a slice of
|
||||
// integers, but provides convenience functions that return -1 values for
|
||||
// indices out of bounds of the array, and functions to increase the size of
|
||||
// the slice only by necessary amount when a new item is added, filling the
|
||||
// unused slots with -1s.
|
||||
Order []int
|
||||
)
|
||||
|
||||
// Get returns the value at index; or -1 is the index is out of range
|
||||
func (s Order) Get(index int) int {
|
||||
if index < 0 || index >= len(s) {
|
||||
return -1
|
||||
}
|
||||
return s[index]
|
||||
}
|
||||
|
||||
// Set sets the value at index; appending -1s until the slice is long enough.
|
||||
func (s *Order) Set(index, value int) {
|
||||
for len(*s) <= index {
|
||||
*s = append(*s, -1)
|
||||
}
|
||||
(*s)[index] = value
|
||||
}
|
||||
|
||||
// Get returns the value at index; or 1 is the index is out of range
|
||||
func (s Pattern) Get(index int) byte {
|
||||
if index < 0 || index >= len(s) {
|
||||
return 1
|
||||
}
|
||||
return s[index]
|
||||
}
|
||||
|
||||
// Set sets the value at index; appending 1s until the slice is long enough.
|
||||
func (s *Pattern) Set(index int, value byte) {
|
||||
for len(*s) <= index {
|
||||
*s = append(*s, 1)
|
||||
}
|
||||
(*s)[index] = value
|
||||
}
|
||||
|
||||
// Copy makes a deep copy of a Track.
|
||||
func (t *Track) Copy() Track {
|
||||
order := make([]int, len(t.Order))
|
||||
copy(order, t.Order)
|
||||
patterns := make([]Pattern, len(t.Patterns))
|
||||
for i, oldPat := range t.Patterns {
|
||||
newPat := make(Pattern, len(oldPat))
|
||||
copy(newPat, oldPat)
|
||||
patterns[i] = newPat
|
||||
}
|
||||
return Track{
|
||||
NumVoices: t.NumVoices,
|
||||
Effect: t.Effect,
|
||||
Order: order,
|
||||
Patterns: patterns,
|
||||
}
|
||||
}
|
||||
|
||||
// Copy makes a deep copy of a Score.
|
||||
func (l Score) Copy() Score {
|
||||
tracks := make([]Track, len(l.Tracks))
|
||||
for i, t := range l.Tracks {
|
||||
tracks[i] = t.Copy()
|
||||
}
|
||||
return Score{Tracks: tracks, RowsPerPattern: l.RowsPerPattern, Length: l.Length}
|
||||
}
|
||||
|
||||
// NumVoices returns the total number of voices used in the Score; summing the
|
||||
// voices of every track
|
||||
func (l Score) NumVoices() int {
|
||||
ret := 0
|
||||
for _, t := range l.Tracks {
|
||||
ret += t.NumVoices
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// FirstVoiceForTrack returns the index of the first voice of given track. For
|
||||
// example, if the Score has three tracks (0, 1 and 2), with 1, 3, 2 voices,
|
||||
// respectively, then FirstVoiceForTrack(0) returns 0, FirstVoiceForTrack(1)
|
||||
// returns 1 and FirstVoiceForTrack(2) returns 4. Essentially computes just the
|
||||
// cumulative sum.
|
||||
func (l Score) FirstVoiceForTrack(track int) int {
|
||||
ret := 0
|
||||
for _, t := range l.Tracks[:track] {
|
||||
ret += t.NumVoices
|
||||
}
|
||||
return ret
|
||||
}
|
||||
|
||||
// LengthInRows returns just RowsPerPattern * Length, as the length is the
|
||||
// length in the number of patterns.
|
||||
func (l Score) LengthInRows() int {
|
||||
return l.RowsPerPattern * l.Length
|
||||
}
|
||||
|
||||
// Copy makes a deep copy of a Score.
|
||||
|
||||
56
synth.go
56
synth.go
@ -6,37 +6,39 @@ import (
|
||||
"math"
|
||||
)
|
||||
|
||||
// Synth represents a state of a synthesizer, compiled from a Patch.
|
||||
type Synth interface {
|
||||
// Render tries to fill a stereo signal buffer with sound from the
|
||||
// synthesizer, until either the buffer is full or a given number of
|
||||
// timesteps is advanced. Normally, 1 sample = 1 unit of time, but speed
|
||||
// modulations may change this. It returns the number of samples filled (in
|
||||
// stereo samples i.e. number of elements of AudioBuffer filled), the
|
||||
// number of sync outputs written, the number of time steps time advanced,
|
||||
// and a possible error.
|
||||
Render(buffer AudioBuffer, maxtime int) (sample int, time int, err error)
|
||||
type (
|
||||
// Synth represents a state of a synthesizer, compiled from a Patch.
|
||||
Synth interface {
|
||||
// Render tries to fill a stereo signal buffer with sound from the
|
||||
// synthesizer, until either the buffer is full or a given number of
|
||||
// timesteps is advanced. Normally, 1 sample = 1 unit of time, but speed
|
||||
// modulations may change this. It returns the number of samples filled (in
|
||||
// stereo samples i.e. number of elements of AudioBuffer filled), the
|
||||
// number of sync outputs written, the number of time steps time advanced,
|
||||
// and a possible error.
|
||||
Render(buffer AudioBuffer, maxtime int) (sample int, time int, err error)
|
||||
|
||||
// Update recompiles a patch, but should maintain as much as possible of its
|
||||
// state as reasonable. For example, filters should keep their state and
|
||||
// delaylines should keep their content. Every change in the Patch triggers
|
||||
// an Update and if the Patch would be started fresh every time, it would
|
||||
// lead to very choppy audio.
|
||||
Update(patch Patch, bpm int) error
|
||||
// Update recompiles a patch, but should maintain as much as possible of its
|
||||
// state as reasonable. For example, filters should keep their state and
|
||||
// delaylines should keep their content. Every change in the Patch triggers
|
||||
// an Update and if the Patch would be started fresh every time, it would
|
||||
// lead to very choppy audio.
|
||||
Update(patch Patch, bpm int) error
|
||||
|
||||
// Trigger triggers a note for a given voice. Called between synth.Renders.
|
||||
Trigger(voice int, note byte)
|
||||
// Trigger triggers a note for a given voice. Called between synth.Renders.
|
||||
Trigger(voice int, note byte)
|
||||
|
||||
// Release releases the currently playing note for a given voice. Called
|
||||
// between synth.Renders.
|
||||
Release(voice int)
|
||||
}
|
||||
// Release releases the currently playing note for a given voice. Called
|
||||
// between synth.Renders.
|
||||
Release(voice int)
|
||||
}
|
||||
|
||||
// SynthService compiles a given Patch into a Synth, throwing errors if the
|
||||
// Patch is malformed.
|
||||
type SynthService interface {
|
||||
Compile(patch Patch, bpm int) (Synth, error)
|
||||
}
|
||||
// SynthService compiles a given Patch into a Synth, throwing errors if the
|
||||
// Patch is malformed.
|
||||
SynthService interface {
|
||||
Compile(patch Patch, bpm int) (Synth, error)
|
||||
}
|
||||
)
|
||||
|
||||
// Render fills an stereo audio buffer using a Synth, disregarding all syncs and
|
||||
// time limits.
|
||||
|
||||
44
track.go
44
track.go
@ -1,44 +0,0 @@
|
||||
package sointu
|
||||
|
||||
// Track represents the patterns and orderlist for each track. Note that each
|
||||
// track has its own patterns, so one track cannot use another tracks patterns.
|
||||
// This makes the data more intuitive to humans, as the reusing of patterns over
|
||||
// tracks is a rather rare occurence. However, the compiler will put all the
|
||||
// patterns in one global table (identical patterns only appearing once), to
|
||||
// optimize the runtime code.
|
||||
type Track struct {
|
||||
// NumVoices is the number of voices this track triggers, cycling through
|
||||
// the voices. When this track triggers a new voice, the previous should be
|
||||
// released.
|
||||
NumVoices int
|
||||
|
||||
// Effect hints the GUI if this is more of an effect track than a note
|
||||
// track: if true, e.g. the GUI can display the values as hexadecimals
|
||||
// instead of note values.
|
||||
Effect bool `yaml:",omitempty"`
|
||||
|
||||
// Order is a list telling which pattern comes in which order in the song in
|
||||
// this track.
|
||||
Order Order `yaml:",flow"`
|
||||
|
||||
// Patterns is a list of Patterns for this track.
|
||||
Patterns []Pattern `yaml:",flow"`
|
||||
}
|
||||
|
||||
// Copy makes a deep copy of a Track.
|
||||
func (t *Track) Copy() Track {
|
||||
order := make([]int, len(t.Order))
|
||||
copy(order, t.Order)
|
||||
patterns := make([]Pattern, len(t.Patterns))
|
||||
for i, oldPat := range t.Patterns {
|
||||
newPat := make(Pattern, len(oldPat))
|
||||
copy(newPat, oldPat)
|
||||
patterns[i] = newPat
|
||||
}
|
||||
return Track{
|
||||
NumVoices: t.NumVoices,
|
||||
Effect: t.Effect,
|
||||
Order: order,
|
||||
Patterns: patterns,
|
||||
}
|
||||
}
|
||||
87
unit.go
87
unit.go
@ -1,87 +0,0 @@
|
||||
package sointu
|
||||
|
||||
// Unit is e.g. a filter, oscillator, envelope and its parameters
|
||||
type Unit struct {
|
||||
// Type is the type of the unit, e.g. "add","oscillator" or "envelope".
|
||||
// Always in lowercase. "" type should be ignored, no invalid types should
|
||||
// be used.
|
||||
Type string `yaml:",omitempty"`
|
||||
|
||||
// ID should be a unique ID for this unit, used by SEND units to target
|
||||
// specific units. ID = 0 means that no ID has been given to a unit and thus
|
||||
// cannot be targeted by SENDs. When possible, units that are not targeted
|
||||
// by any SENDs should be cleaned from having IDs, e.g. to keep the exported
|
||||
// data clean.
|
||||
ID int `yaml:",omitempty"`
|
||||
|
||||
// Parameters is a map[string]int of parameters of a unit. For example, for
|
||||
// an oscillator, unit.Type == "oscillator" and unit.Parameters["attack"]
|
||||
// could be 64. Most parameters are either limites to 0 and 1 (e.g. stereo
|
||||
// parameters) or between 0 and 128, inclusive.
|
||||
Parameters map[string]int `yaml:",flow"`
|
||||
|
||||
// VarArgs is a list containing the variable number arguments that some
|
||||
// units require, most notably the DELAY units. For example, for a DELAY
|
||||
// unit, VarArgs is the delaytimes, in samples, of the different delaylines
|
||||
// in the unit.
|
||||
VarArgs []int `yaml:",flow,omitempty"`
|
||||
}
|
||||
|
||||
// When unit.Type = "oscillator", its unit.Parameter["Type"] tells the type of
|
||||
// the oscillator. There is five different oscillator types, so these consts
|
||||
// just enumerate them.
|
||||
const (
|
||||
Sine = iota
|
||||
Trisaw = iota
|
||||
Pulse = iota
|
||||
Gate = iota
|
||||
Sample = iota
|
||||
)
|
||||
|
||||
// Copy makes a deep copy of a unit.
|
||||
func (u *Unit) Copy() Unit {
|
||||
parameters := make(map[string]int)
|
||||
for k, v := range u.Parameters {
|
||||
parameters[k] = v
|
||||
}
|
||||
varArgs := make([]int, len(u.VarArgs))
|
||||
copy(varArgs, u.VarArgs)
|
||||
return Unit{Type: u.Type, Parameters: parameters, VarArgs: varArgs, ID: u.ID}
|
||||
}
|
||||
|
||||
// StackChange returns how this unit will affect the signal stack. "pop" and
|
||||
// "addp" and such will consume the topmost signal, and thus return -1 (or -2,
|
||||
// if the unit is a stereo unit). On the other hand, "oscillator" and "envelope"
|
||||
// will produce a signal, and thus return 1 (or 2, if the unit is a stereo
|
||||
// unit). Effects that just change the topmost signal and will not change the
|
||||
// number of signals on the stack and thus return 0.
|
||||
func (u *Unit) StackChange() int {
|
||||
switch u.Type {
|
||||
case "addp", "mulp", "pop", "out", "outaux", "aux":
|
||||
return -1 - u.Parameters["stereo"]
|
||||
case "envelope", "oscillator", "push", "noise", "receive", "loadnote", "loadval", "in", "compressor":
|
||||
return 1 + u.Parameters["stereo"]
|
||||
case "pan":
|
||||
return 1 - u.Parameters["stereo"]
|
||||
case "speed":
|
||||
return -1
|
||||
case "send":
|
||||
return (-1 - u.Parameters["stereo"]) * u.Parameters["sendpop"]
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// StackNeed returns the number of signals that should be on the stack before
|
||||
// this unit is executed. Used to prevent stack underflow. Units producing
|
||||
// signals do not care what is on the stack before and will return 0.
|
||||
func (u *Unit) StackNeed() int {
|
||||
switch u.Type {
|
||||
case "", "envelope", "oscillator", "noise", "receive", "loadnote", "loadval", "in":
|
||||
return 0
|
||||
case "mulp", "mul", "add", "addp", "xch":
|
||||
return 2 * (1 + u.Parameters["stereo"])
|
||||
case "speed":
|
||||
return 1
|
||||
}
|
||||
return 1 + u.Parameters["stereo"]
|
||||
}
|
||||
144
unittype.go
144
unittype.go
@ -1,144 +0,0 @@
|
||||
package sointu
|
||||
|
||||
import (
|
||||
"math"
|
||||
)
|
||||
|
||||
// UnitParameter documents one parameter that an unit takes
|
||||
type UnitParameter struct {
|
||||
Name string // thould be found with this name in the Unit.Parameters map
|
||||
MinValue int // minimum value of the parameter, inclusive
|
||||
MaxValue int // maximum value of the parameter, inclusive
|
||||
CanSet bool // if this parameter can be set before hand i.e. through the gui
|
||||
CanModulate bool // if this parameter can be modulated i.e. has a port number in "send" unit
|
||||
}
|
||||
|
||||
// UnitTypes documents all the available unit types and if they support stereo variant
|
||||
// and what parameters they take.
|
||||
var UnitTypes = map[string]([]UnitParameter){
|
||||
"add": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"addp": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"pop": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"loadnote": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"mul": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"mulp": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"push": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"xch": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"distort": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "drive", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"hold": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "holdfreq", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"crush": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "resolution", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"gain": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"invgain": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"filter": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "frequency", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "resonance", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "lowpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "bandpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "highpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "negbandpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "neghighpass", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"clip": []UnitParameter{{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"pan": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "panning", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"delay": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "pregain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "dry", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "feedback", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "damp", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "notetracking", MinValue: 0, MaxValue: 2, CanSet: true, CanModulate: false},
|
||||
{Name: "delaytime", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true}},
|
||||
"compressor": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "invgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "threshold", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "ratio", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"speed": []UnitParameter{},
|
||||
"out": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"outaux": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "outgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "auxgain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"aux": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "channel", MinValue: 0, MaxValue: 6, CanSet: true, CanModulate: false}},
|
||||
"send": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "amount", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "voice", MinValue: 0, MaxValue: 32, CanSet: true, CanModulate: false},
|
||||
{Name: "target", MinValue: 0, MaxValue: math.MaxInt32, CanSet: true, CanModulate: false},
|
||||
{Name: "port", MinValue: 0, MaxValue: 7, CanSet: true, CanModulate: false},
|
||||
{Name: "sendpop", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false}},
|
||||
"envelope": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "decay", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"noise": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "shape", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"oscillator": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "transpose", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "detune", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "phase", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "color", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "shape", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
|
||||
{Name: "frequency", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true},
|
||||
{Name: "type", MinValue: int(Sine), MaxValue: int(Sample), CanSet: true, CanModulate: false},
|
||||
{Name: "lfo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "unison", MinValue: 0, MaxValue: 3, CanSet: true, CanModulate: false},
|
||||
{Name: "samplestart", MinValue: 0, MaxValue: 1720329, CanSet: true, CanModulate: false},
|
||||
{Name: "loopstart", MinValue: 0, MaxValue: 65535, CanSet: true, CanModulate: false},
|
||||
{Name: "looplength", MinValue: 0, MaxValue: 65535, CanSet: true, CanModulate: false}},
|
||||
"loadval": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "value", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
|
||||
"receive": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "left", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true},
|
||||
{Name: "right", MinValue: 0, MaxValue: -1, CanSet: false, CanModulate: true}},
|
||||
"in": []UnitParameter{
|
||||
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
|
||||
{Name: "channel", MinValue: 0, MaxValue: 6, CanSet: true, CanModulate: false}},
|
||||
"sync": []UnitParameter{},
|
||||
}
|
||||
|
||||
// Ports is static map allowing quickly finding the parameters of a unit that
|
||||
// can be modulated. This is populated based on the UnitTypes list during
|
||||
// init(). Thus, should be immutable, but Go not supporting that, then this will
|
||||
// have to suffice: DO NOT EVER CHANGE THIS MAP.
|
||||
var Ports = make(map[string]([]string))
|
||||
|
||||
func init() {
|
||||
for name, unitType := range UnitTypes {
|
||||
unitPorts := make([]string, 0)
|
||||
for _, param := range unitType {
|
||||
if param.CanModulate {
|
||||
unitPorts = append(unitPorts, param.Name)
|
||||
}
|
||||
}
|
||||
Ports[name] = unitPorts
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user