/// <inheritdoc />
public NoteSegment CreateNoteSegment(TempoCollection tempoCollection, int track, MidiEventWithTime <OnNoteVoiceMidiEvent> onNoteEvent, MidiEventWithTime <OffNoteVoiceMidiEvent> offNoteEvent)
{
// Logic for creating different types of note segments
bool isPercussion = onNoteEvent.MidiEvent.Channel == (byte)SpecialChannel.Percussion;
int startSample = tempoCollection.GetTotalElapsedSamplesForTime(onNoteEvent.Time);
if (isPercussion)
{
var percussionInstrument = (GeneralMidiPercussion)onNoteEvent.MidiEvent.Note;
var percussionType = PercussionHelper.GetPercussionType(percussionInstrument);
int durationSamples = PercussionHelper.GetPercussionDurationSamples(percussionType); // Percussion has a fixed Duration depending on type of instrument
return(new PercussionNoteSegment(track, onNoteEvent, offNoteEvent, startSample, durationSamples, percussionInstrument));
}
else
{
int endSample = tempoCollection.GetTotalElapsedSamplesForTime(offNoteEvent.Time); // get the ending sample based on all tempo changes.
// We want our duration in samples to include any tempo changes that happened during the note.
// Therefore, we take the different in end sample and start sample to be our duration
// This will lead to smoother accelerando and ritardando
int durationSamples = endSample - startSample;
return(new MelodicNoteSegment(track, onNoteEvent, offNoteEvent, startSample, durationSamples));
}
}
public PercussionNoteSegment(
int track,
MidiEventWithTime <OnNoteVoiceMidiEvent> onNoteEvent,
MidiEventWithTime <OffNoteVoiceMidiEvent> offNoteEvent,
int startSample,
int durationSamples,
GeneralMidiPercussion instrument)
: base(track, onNoteEvent, offNoteEvent, startSample, durationSamples)
{
PercussionInstrument = instrument;
PercussionType = PercussionHelper.GetPercussionType(instrument);
}