private void ProcessData(byte[] buffer, int bytesRecorded)
{
for (int index = 0; index < bytesRecorded; index += 2)
{
activeWindow.AddSample(buffer, index);
if (activeWindow.Done)
{
windows.Add(activeWindow);
activeWindow = new Window();
}
}
}
/// <summary>
/// Read audio-file and return measurements
/// </summary>
/// <returns> Measurements of audio-file </returns>
public Measurements[] measureInput(string fileName)
{
activeWindow = new Window();
windows = new List<Window>();
if (fileName.EndsWith(".mp3"))
{
using (Mp3FileReader reader = new Mp3FileReader(fileName))
{
ProcessFile(reader);
}
}
else if (fileName.EndsWith(".wav"))
{
using (WaveFileReader reader = new WaveFileReader(fileName))
{
ProcessFile(reader);
}
}
return GetFileMeasurements();
}
public void ProcessNewData(byte[] buffer, int bytesRecorded)
{
for (int index = 0; index < bytesRecorded; index += 2)
{
activeWindow.AddSample(buffer, index);
if (activeWindow.Done)
{
windows.Add(activeWindow);
waveChart.Series[0].Points.Clear();
for (int i = 0; i < activeWindow.blocks[0].intensities.Length; i++)
{
waveChart.Series[0].Points.AddXY(i * GlobalVariables.FrequencyOffset, activeWindow.blocks[0].intensities[i]);
}
activeWindow = new Window();
}
}
}
private void startRecordingButton_Click(object sender, EventArgs e)
{
//arrayPointer = 0;
waveIn = new WaveIn();
waveIn.WaveFormat = new WaveFormat(sampleRate, 2);
waveIn.DataAvailable += new EventHandler<WaveInEventArgs>(NewDataAvailable);
activeWindow = new Window();
windows = new List<Window>();
try
{
waveIn.StartRecording();
stopRecordingButton.Enabled = true;
startRecordingButton.Enabled = false;
}
catch
{
MessageBox.Show("No recording device found!");
}
}