private void Save_Click(object sender, RoutedEventArgs e)
{
if (currentFile == null)
{
LogWrite("Couldn't export because there is no generated song yet.");
return;
}
LogWrite("Select a destination to save.");
var sfd = new SaveFileDialog();
sfd.Filter = "Standard MIDI File (*.mid, *.midi)|*.mid;*.midi";
if (sfd.ShowDialog() != true)
{
LogWrite("Canceled.");
return;
}
LogWrite("Start saving! Please wait...");
IsEnabled = false;
try
{
SmfParser.Save(new FileStream(sfd.FileName, FileMode.Create, FileAccess.Write), currentFile);
LogWrite("Successfully exported!");
}
catch (Exception ex)
{
LogWrite("Couldn't export it due to a unknown error! " + ex.Message);
}
IsEnabled = true;
}
public async Task AnalyzeAsync(string path)
{
try
{
using (var fs = new FileStream(path, FileMode.Open))
{
var m = SmfParser.Parse(fs);
await Task.Factory.StartNew(() => student.Learn(m));
LogWrite($"{path} has been analyzed!");
}
}
catch (ArgumentException)
{
LogWrite("Failed to analyze the file because it wasn't a midi file!");
}
catch (FileNotFoundException)
{
LogWrite("Failed to analyze the file because it wasn't found!");
}
catch (Exception ex)
{
LogWrite($"Unknown error! {ex.GetType().Name} : {ex.Message}\n{ex.StackTrace}");
}
}
/// <summary>
/// MIDI ファイルのパスを指定して、再生を開始します。
/// </summary>
/// <param name="filePath">ファイルパス。</param>
/// <param name="loopCount"></param>
/// <param name="fadeOutTime"></param>
public void Play(string filePath, int loopCount = -1, int fadeOutTime = 2000)
{
// 正しく生成されていればこれらはnullでないはずなので、例外が投げられたらバグが起きているはず
if (CorePlayer == null ||
_nativeplayer == null ||
_cts == null ||
_buffer == null
)
{
throw new InvalidOperationException("初期化が完了していません。");
}
CorePlayer.Load(SmfParser.Parse(F.OpenRead(P.Combine(AppDomain.CurrentDomain.BaseDirectory, filePath))));
PlayAsync(loopCount, fadeOutTime);
}
private IEnumerator Start()
{
try
{
midi = SmfParser.Parse(new FileStream(StaticVariable.Path ?? path, FileMode.Open));
}
catch (Exception)
{
Back();
}
while (true)
{
yield return(null);
if (!IsPlaying)
{
continue;
}
CurrentTime += Time.deltaTime;
float time = CurrentTime * 1000;
tick = (int)midi.Conductor.ToTick(time);
foreach (var track in midi.Tracks)
{
foreach (var e in track.GetDataBetweenTicks(prevTick - 1, tick).OfType <NoteEvent>())
{
var i = Instantiate(drop, new Vector3(e.Note - 60, 30, 0), default(Quaternion));
i.GetComponent <Drop>().Velocity = e.Velocity;
}
}
prevTick = tick;
text.text = $"{TimeToString(CurrentTime)} / {TimeToString(MaxTime)}";
//slider.maxValue = MaxTime;
//slider.minValue = 0;
//slider.value = CurrentTime;
if (MaxTime < CurrentTime)
{
Stop();
}
}
}
public GroorineAudioSource(Stream midi, int latency = 20, int sampleRate = 44100)
{
data = SmfParser.Parse(midi);
Latency = latency;
SampleRate = sampleRate;
}
