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refactor(vm): rename BytePatch to Bytecode

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This commit is contained in:
5684185+vsariola@users.noreply.github.com
2023-10-18 19:12:34 +03:00
parent ccd283d2ea
commit 87604dd92e
3 changed files with 79 additions and 57 deletions
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28
vm/go_synth.go
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@ -22,7 +22,7 @@ import (
// number of signals, so be warned that if you compose patches for it, they
// might not work with the x87 implementation, as it has only 8-level stack.
type GoSynth struct {
bytePatch BytePatch
bytecode Bytecode
stack []float32
synth synth
delaylines []delayline
@ -88,11 +88,11 @@ success:
}
func Synth(patch sointu.Patch, bpm int) (sointu.Synth, error) {
bytePatch, err := Encode(patch, AllFeatures{}, bpm)
bytecode, err := Encode(patch, AllFeatures{}, bpm)
if err != nil {
return nil, fmt.Errorf("error compiling %v", err)
}
ret := &GoSynth{bytePatch: *bytePatch, stack: make([]float32, 0, 4), delaylines: make([]delayline, patch.NumDelayLines())}
ret := &GoSynth{bytecode: *bytecode, stack: make([]float32, 0, 4), delaylines: make([]delayline, patch.NumDelayLines())}
ret.synth.randSeed = 1
return ret, nil
}
@ -113,20 +113,20 @@ func (s *GoSynth) Release(voiceIndex int) {
}
func (s *GoSynth) Update(patch sointu.Patch, bpm int) error {
bytePatch, err := Encode(patch, AllFeatures{}, bpm)
bytecode, err := Encode(patch, AllFeatures{}, bpm)
if err != nil {
return fmt.Errorf("error compiling %v", err)
}
needsRefresh := len(bytePatch.Commands) != len(s.bytePatch.Commands)
needsRefresh := len(bytecode.Commands) != len(s.bytecode.Commands)
if !needsRefresh {
for i, c := range bytePatch.Commands {
if s.bytePatch.Commands[i] != c {
for i, c := range bytecode.Commands {
if s.bytecode.Commands[i] != c {
needsRefresh = true
break
}
}
}
s.bytePatch = *bytePatch
s.bytecode = *bytecode
for len(s.delaylines) < patch.NumDelayLines() {
s.delaylines = append(s.delaylines, delayline{})
}
@ -151,11 +151,11 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, t
stack = append(stack, []float32{0, 0, 0, 0}...)
synth := &s.synth
for time < maxtime && len(buffer) > 0 {
commandInstr := s.bytePatch.Commands
valuesInstr := s.bytePatch.Values
commandInstr := s.bytecode.Commands
valuesInstr := s.bytecode.Values
commands, values := commandInstr, valuesInstr
delaylines := s.delaylines
voicesRemaining := s.bytePatch.NumVoices
voicesRemaining := s.bytecode.NumVoices
voices := s.synth.voices[:]
units := voices[0].units[:]
for voicesRemaining > 0 {
@ -170,7 +170,7 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, t
voices = voices[1:]
units = voices[0].units[:]
}
if mask := uint32(1) << uint32(voicesRemaining); s.bytePatch.PolyphonyBitmask&mask == mask {
if mask := uint32(1) << uint32(voicesRemaining); s.bytecode.PolyphonyBitmask&mask == mask {
commands, values = commandInstr, valuesInstr
} else {
commandInstr, valuesInstr = commands, values
@ -461,7 +461,7 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, t
phase := *statevar
phase += params[2]
sampleno := valuesAtTransform[3] // reuse color as the sample number
sampleoffset := s.bytePatch.SampleOffsets[sampleno]
sampleoffset := s.bytecode.SampleOffsets[sampleno]
sampleindex := int(phase*84.28074964676522 + 0.5)
loopstart := int(sampleoffset.LoopStart)
if sampleindex >= loopstart {
@ -531,7 +531,7 @@ func (s *GoSynth) Render(buffer sointu.AudioBuffer, maxtime int) (samples int, t
output := params[1] * signal // dry output
for j := byte(0); j < count; j += 2 {
d, delaylines = &delaylines[0], delaylines[1:]
delay := float32(s.bytePatch.DelayTimes[index]) + unit.ports[4]*32767
delay := float32(s.bytecode.DelayTimes[index]) + unit.ports[4]*32767
if count&1 == 0 {
delay /= float32(math.Exp2(float64(voice.note) * 0.083333333333))
}