public void StartDetect(int inputDevice)
{
this.Dispatcher.BeginInvoke((ThreadStart) delegate()
{
waveIn = new WaveInEvent();
waveIn.DeviceNumber = inputDevice;
waveIn.WaveFormat = new WaveFormat(44100, 1);
waveIn.DataAvailable += sound.WaveIn_DataAvailable;
sound.bufferedWaveProvider = new BufferedWaveProvider(waveIn.WaveFormat);
// begin record
waveIn.StartRecording();
IWaveProvider stream = new Wave16ToFloatProvider(sound.bufferedWaveProvider);
Pitch pitch = new Pitch(stream);
byte[] buffer = new byte[8192];
int bytesRead;
bytesRead = stream.Read(buffer, 0, buffer.Length);
freq = pitch.Get(buffer);
if (freq != 0)
{
ReturnFreq();
}
});
}
IEnumerator UpdateReading()
{
while (true)
{
bytesRead = stream.Read(buffer, 0, buffer.Length);
Frequency = pitch.Get(buffer);
Tuple <string, string> notes = GetNote(Frequency);
if (notes != null)
{
Note = notes.Item1;
NoteWithoutOctave = notes.Item2;
}
if (Frequency != 0)
{
noteSampleDelta = Time.fixedTime - fixedTimeSinceLastNote;
fixedTimeSinceLastNote = Time.fixedTime;
// if the same note has been played
if (!lastFrameHadNote || Note != lastNote)
{
OnNewNote?.Invoke(Note, Frequency);
print("nova nota!!");
CurrentNote = NoteWithoutOctave;
}
else
{
CurrentNote = string.Empty;
}
begin = Time.fixedTime;
lastFrameHadNote = true;
lastNote = Note;
}
else if (Time.fixedTime - begin > 0.4)
{
lastFrameHadNote = false;
print("falta nota");
begin = Time.fixedTime;
CurrentNote = string.Empty;
}
yield return(null);
}
}