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fix: check that MIDI triggered instrument is within patch limits (#98)

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5684185+vsariola@users.noreply.github.com 2023-08-27 11:09:55 +03:00
parent 33221b5203
commit a0bcac3904
1 changed files with 3 additions and 0 deletions
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3
tracker/player.go
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@ -328,6 +328,9 @@ func (p *Player) trySend(message interface{}) {
func (p *Player) triggerInstrument(instrument int, note byte) { func (p *Player) triggerInstrument(instrument int, note byte) {
ID := idForInstrumentNote(instrument, note) ID := idForInstrumentNote(instrument, note)
p.release(ID) p.release(ID)
if p.patch == nil || instrument < 0 || instrument >= len(p.patch) {
return
}
voiceStart := p.patch.FirstVoiceForInstrument(instrument) voiceStart := p.patch.FirstVoiceForInstrument(instrument)
voiceEnd := voiceStart + p.patch[instrument].NumVoices voiceEnd := voiceStart + p.patch[instrument].NumVoices
p.trigger(voiceStart, voiceEnd, note, ID) p.trigger(voiceStart, voiceEnd, note, ID)