private void btnReadSampleRate_Click(object sender, EventArgs e)
{
DialogResult result = openFileDialog1.ShowDialog(); // Show the dialog.
if (result == DialogResult.OK) // Test result.
{
string file = openFileDialog1.FileName;
try
{
int sampleRate = WaveResampler.GetSampleRate(file);
MessageBox.Show($"Sample rate is {sampleRate}");
}
catch (Exception exception)
{
MessageBox.Show($"Error: {exception.ToString()}", "Audio File Conversion", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void btnStartConversion_Click(object sender, EventArgs e)
{
if (txtInputDirectory.Text.Length == 0 || txtOutputDirectory.Text.Length == 0)
{
MessageBox.Show("Must pick both input and output directories before starting the conversion", "Audio File Conversion", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!Directory.Exists(txtInputDirectory.Text))
{
MessageBox.Show("Input directory does not exist", "Audio File Conversion", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (!Directory.Exists(txtOutputDirectory.Text))
{
MessageBox.Show("Output directory does not exist", "Audio File Conversion", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
var files = Directory.GetFiles(txtInputDirectory.Text);
int filesProcessed = 0;
foreach (var file in files)
{
var extension = Path.GetExtension(file);
if (extension.ToUpper() == ".WAV")
{
var fileNameNoExt = Path.GetFileNameWithoutExtension(file);
var newFilePath = Path.Combine(txtOutputDirectory.Text, fileNameNoExt + "_10KHz.wav");
WaveResampler.Resample(file, newFilePath, Convert.ToInt32(txtSampleRate.Text));
filesProcessed++;
}
}
MessageBox.Show($"{filesProcessed} files were converted!", "Audio File Conversion", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
