public AcoustIDCSCore(CSCore.IWaveSource waveSource)
{
_waveSource = waveSource;
if (_waveSource.WaveFormat.BitsPerSample != 16)
{
throw new ArgumentOutOfRangeException(nameof(waveSource), "Expected 16 bit audio");
}
}
public void Extract(CSCore.IWaveSource audioSource, Song s)
{
_currentTask = "Analysing Song";
List <Onset> onsets;
if (SongAnalysed(s.SongBase.InternalName))
{
onsets = LoadOnsets(GetOnsetFilePath(s.SongBase.InternalName));
}
else
{
onsets = _onsetDetector.Detect(audioSource.ToSampleSource());
SaveOnsets(GetOnsetFilePath(s.SongBase.InternalName), onsets);
}
OnsetTimes = onsets.Select(o => o.OnsetTime).ToList();
Onsets = onsets;
ApplyCorrection(OnsetTimes, _correction);
//force garbage collection
GC.Collect(2, GCCollectionMode.Forced, true);
//audioSource.Position = 0;
//AcoustID.ChromaContext cm = new AcoustID.ChromaContext();
//AcoustIDCSCore decoder = new AcoustIDCSCore(audioSource);
//cm.Start(audioSource.WaveFormat.SampleRate, audioSource.WaveFormat.Channels);
//decoder.Decode(cm.Consumer, 60);
//cm.Finish();
//var f = cm.GetFingerprint();
//Debug.WriteLine(f);
//AcoustID.Configuration.ClientKey = "3jSfGwVIGZ";
//AcoustID.Web.LookupService lService = new AcoustID.Web.LookupService();
//var duration = audioSource.GetLength().TotalSeconds;
//var lookupTask = lService.GetAsync(f, (int)duration, new string[] { "recordings", "compress" });
//lookupTask.ContinueWith(t =>
//{
// var resp = t.Result;
// foreach (var res in resp.Results)
// {
// Debug.WriteLine($"Score: {res.Score}, ID: {res.Id}");
// foreach (var rec in res.Recordings)
// {
// Debug.WriteLine($"{rec.Artists.First().Name} - {rec.Title}");
// }
// }
//});
//decoder.Dispose();
}
private void LoadAudioFeatures(CSCore.IWaveSource audioSource, float correction, IProgress <string> progress, Song s)
{
var options = DetectorOptions.Default;
options.MinimumTimeDelta = 7.5f;
options.ActivationThreshold = (float)SceneManager.GameSettings["OnsetActivationThreshold"];
options.AdaptiveWhitening = (bool)SceneManager.GameSettings["OnsetAdaptiveWhitening"];
options.Online = (bool)SceneManager.GameSettings["OnsetOnline"];
options.SlicePaddingLength = (float)SceneManager.GameSettings["OnsetSlicePaddingLength"];
options.SliceLength = (float)SceneManager.GameSettings["OnsetSliceLength"];
_audioFeatures = new AudioFeatures(options, SceneManager.Directories["ProcessedSongs"].FullName, correction + (float)_easeInTime, progress);
progress.Report("Extracting audio features");
_audioFeatures.Extract(audioSource, s);
}
