private void FrameInputNode_QuantumStarted(
AudioFrameInputNode sender,
FrameInputNodeQuantumStartedEventArgs args)
{
if (_audioDataCurrentPosition == 0)
{
_fileOutputNode.Start();
}
// doesn't matter how many samples requested
var frame = ProcessOutputFrame(_audioGraph.SamplesPerQuantum);
_frameInputNode.AddFrame(frame);
if (_finished)
{
_fileOutputNode?.Stop();
_audioGraph?.Stop();
}
// to not report too many times
if (_audioGraph == null)
{
return;
}
if (_audioGraph.CompletedQuantumCount % 100 == 0)
{
var dProgress =
(double)100 *
_audioDataCurrentPosition /
_audioData.LengthSamples();
_ioProgress?.Report(dProgress);
}
}
//private unsafe void ProcessFrameOutput(AudioFrame frame)
//{
// using (var buffer = frame.LockBuffer(AudioBufferAccessMode.Write))
// using (var reference = buffer.CreateReference())
// {
// byte* dataInBytes;
// uint capacityInBytes;
// float* dataInFloat;
// // Get the buffer from the AudioFrame
// ((IMemoryBufferByteAccess)reference).GetBuffer(out dataInBytes, out capacityInBytes);
// //cal level
// dataInFloat = (float*)dataInBytes;
// float max = 0;
// for (int i = 0; i < _audioGraph.SamplesPerQuantum; i++)
// {
// max = Math.Max(Math.Abs(dataInFloat[i]), max);
// }
// ProzessEvent(_detector.Calculate(max));
// }
//}
#endregion
private void ProzessEvent(MicrophoneInput a)
{
if (a.State == 1)
{
Debug.WriteLine(a.Value + " : " + a.State);
}
if (a.State == 1 && _isRecoding == false)
{
Debug.WriteLine("STARTED RECORDING!");
_fileOutputNode.Reset();
_fileOutputNode.Start();
_isRecoding = true;
}
a.IsRecording = _isRecoding;
_interacor.OnNoiseDetected(a);
if (_isRecoding)
{
_count++;
_lastRecoring.Add(a.State);
}
//Record Noise for at least 5 secounds
if (_count < FiveSecounds || _isRecoding != true)
{
return;
}
// if there was enough sound in this 5 secounds, keep recoring
if (_lastRecoring.Fold((b) => b.Sum()) > BufferTol && _count < 2 * FiveSecounds)
{
return;
}
_count = 0;
_isRecoding = false;
_fileOutputNode.Stop();
SaveAndCleanGraph();
}
