private Melody[] GetMelody()
{
var durations = new[]
{
NoteDuration.Eighth,
NoteDuration.Quarter,
};
var generator = new MelodyGenerator(new RandomDurationGenerator(durations: durations));
var melody = generator.Generate(Gammas.CMaj5, 600);
var bassDurations = new[]
{
NoteDuration.Half,
NoteDuration.Half,
NoteDuration.Quarter
};
var bassGenerator = new MelodyGenerator(new RandomDurationGenerator(durations: bassDurations));
var bass = bassGenerator.GenerateMajChords(Gammas.CMaj3, 200);
var drums = new MelodyGenerator(new RandomDurationGenerator(durations: new [] { NoteDuration.Whole }))
.Generate(new [] { NoteKey.C2 }, 100);
var synth = new MelodyGenerator(new RandomDurationGenerator(durations: new []
{
NoteDuration.Eighth
}))
.Generate(Gammas.CMaj4, 800);
return(new[] { melody, bass, synth });
}
private static void Main(string[] args)
{
var converter = new MidiConverter();
var midi = MidiFile.Read(@"Files\hey-jude.mid");
var input = converter.MidiToMelody(midi);
var inputToSave = converter.MelodyToMidi(input);
converter.SaveMidi(inputToSave, @"Files\input.mid");
var measureMutationOperator = new List <IMeasureMutationOperator>
{
new MeasureInversionOperator(),
new MeasureReorganizationOperator(),
new MeasureReplacementOperator(),
new MeasureBrokerOperator(),
new MeasureExchangeOperator(),
};
var melodyMutationOperators = new List <IMelodyMutationOperator>
{
new MelodyExchangeOperator(),
new MelodyInversionOperator(),
};
var crossoverOperator = new RandomCutOffCrossoverOperator(measureMutationOperator, melodyMutationOperators);
var initializer = new RandomInitializer(input);
var selector = new TournamentSelector();
var replacementOperator = new HalfReplacementOperator(crossoverOperator, selector);
var fitnessCalculator = new MelodySimilarityFitnessCalculator();
var stoppingCriterionChecker = new MultipleStoppingCriterionChecker();
var geneticAlgorithm = new MelodyGenerator(crossoverOperator, fitnessCalculator, initializer, measureMutationOperator, melodyMutationOperators, replacementOperator, selector, stoppingCriterionChecker);
var geneticEventsManager = Singleton <GeneticEventsManager> .Instance();
geneticEventsManager.Set(input);
// Test
new List <Melody>()
{
input
}.ForEach(currentMelody => fitnessCalculator.Calculate(input, currentMelody));
var output = geneticAlgorithm.Generate();
var outputToSave = converter.MelodyToMidi(output);
converter.SaveMidi(outputToSave, @"Files\output.mid");
Console.ReadLine();
}
private void PlayNew()
{
PlayChord();
return;
var durations = new[]
{
NoteDuration.Eighth,
NoteDuration.Quarter,
};
var generator = new MelodyGenerator(new RandomDurationGenerator(durations: durations));
var melody = generator.Generate(Gammas.CMaj5, 80);
var bassDurations = new[]
{
NoteDuration.Half,
NoteDuration.Half,
NoteDuration.Quarter
};
var bassGenerator = new MelodyGenerator(new RandomDurationGenerator(durations: bassDurations));
var bass = bassGenerator.GenerateMajChords(Gammas.CMaj3, 40);
//var drums = new MelodyGenerator(new RandomDurationGenerator(durations: new [] {NoteDuration.Whole}))
// .Generate(new [] {NoteKey.C2}, 40);
using var memoryStream = File.OpenWrite("temp.wav");
using var binaryWriter = new BinaryWriter(memoryStream);
var recorder = new WaveRecorder();
//var wave = recorder.Record(binaryWriter, new [] {melody, bass});
//new WaveVisualiser().Visualize(wave, 800, 600).Save("temp.png", ImageFormat.Png);
//memoryStream.Position = 0;
//new SoundPlayer(memoryStream).Play();
}