async void LoadScaleFromWave(string filePath)
{
PauseAudio();
MainView.Progress = 0.0;
Lock = true;
MainView.MessageText = LangResources.ProgressMessage_LoadScale;
await Task.Run(() =>
{
try
{
var wave = Wavefile.Read(filePath);
var selectedOperator = SelectedOperator;
var aac = CacheFile.FindCache <AnalyzedAudioCache>(wave.Hash + selectedOperator.GetType().FullName)
.GetOrElse(() =>
{
var aa = selectedOperator.Analyze(new Plugin.WaveData(wave.Data, wave.Fs), ApplicationSettings.Setting.PitchOperation.FramePeriod, (p) =>
{
Dispatcher.Invoke(() =>
{
MainView.Progress = p * 0.75 + 25.0;
});
});
var result = new AnalyzedAudioCache(selectedOperator.GetType(), aa, wave.Data.Length, wave.Fs, wave.Hash);
CacheFile.SaveCache(result, wave.Hash + selectedOperator.GetType().FullName);
return(result);
});
Dispatcher.Invoke(() =>
{
MainView.Progress = 1000.0;
ApplyScale(aac.AnalyzedAudio.F0);
Lock = false;
});
}
catch (InvalidDataException)
{
MessageBox.ShowWarning(LangResources.Error_UnsupportedWaveFile, LangResources.MessageBoxTitle_CannotLoadWaveFile);
Dispatcher.Invoke(() =>
{
Lock = false;
});
}
catch (Exception e)
{
MessageBox.ShowWarning(LangResources.Error_CannodLoadWaveFile, exception: e);
Dispatcher.Invoke(() =>
{
Lock = false;
});
}
});
}
async void LoadWave(string filePath)
{
if (Player?.PlaybackState == PlaybackState.Playing)
{
PauseAudio();
}
await Task.Run(() =>
{
try
{
WaveData = Wavefile.Read(filePath);
var waveLineCache = WaveLineCache.CreateCache(WaveData.Data, WaveData.Fs, WaveData.Hash);
Dispatcher.Invoke(() =>
{
MainView.Wave = waveLineCache;
MainView.SampleRange = 0.To(30000);
SeekPlayer = new SeekPlayer(WaveData.Fs);
Player = new WavePlayer(WaveData.Fs);
Player.EnableLoop = true;
Player.PlaybackStopped += (s, ea) =>
{
Player.SeekToStart();
MainView.IndicatorPosition = Player.GetCurrentSample();
};
PreviewStream = new RawWaveStream(WaveData.Data);
Player.SetStream(PreviewStream);
MainView.Progress = 25.0;
MainView.MessageText = LangResources.ProgressMessage_AnalyzingWave;
});
var selectedOperator = SelectedOperator;
AnalyzedAudio = CacheFile.FindCache <AnalyzedAudioCache>(WaveData.Hash + selectedOperator.GetType().FullName + ApplicationSettings.Setting.PitchOperation.FramePeriod)
.GetOrElse(() =>
{
var aa = selectedOperator.Analyze(new WaveData(WaveData.Data, WaveData.Fs), ApplicationSettings.Setting.PitchOperation.FramePeriod, (p) =>
{
Dispatcher.Invoke(() =>
{
MainView.Progress = p * 0.75 + 25.0;
});
});
var result = new AnalyzedAudioCache(selectedOperator.GetType(), aa, WaveData.Data.Length, WaveData.Fs, WaveData.Hash);
CacheFile.SaveCache(result, WaveData.Hash + selectedOperator.GetType().FullName + ApplicationSettings.Setting.PitchOperation.FramePeriod);
return(result);
});
Dispatcher.Invoke(() =>
{
MainView.AudioScale = new AudioScaleModel(AnalyzedAudio.AnalyzedAudio.F0, AnalyzedAudio.AnalyzedAudio.FramePeriod, AnalyzedAudio.SampleCount, AnalyzedAudio.SampleRate);
MainView.EditableAudioScale = new AudioScaleModel(AnalyzedAudio.AnalyzedAudio.F0, AnalyzedAudio.AnalyzedAudio.FramePeriod, AnalyzedAudio.SampleCount, AnalyzedAudio.SampleRate);
Lock = false;
});
}
catch (InvalidDataException)
{
MessageBox.ShowWarning(LangResources.Error_UnsupportedWaveFile, LangResources.MessageBoxTitle_CannotLoadWaveFile);
Dispatcher.Invoke(() =>
{
Player?.Stop();
Player?.Dispose();
MainView.Wave = null;
MainView.AudioScale = null;
Lock = false;
});
}
catch (Exception e)
{
MessageBox.ShowWarning(LangResources.Error_CannodLoadWaveFile, exception: e);
Dispatcher.Invoke(() =>
{
Player?.Stop();
Player?.Dispose();
MainView.Wave = null;
MainView.AudioScale = null;
Lock = false;
});
}
});
}
