/// <summary>
/// Update progress 10 times a second
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ShowProgress(object sender, EventArgs e)
{
if (_wavExporter != null)
{
int progress = _wavExporter.Progress;
int lastError = _wavExporter.LastError;
string lastErrorString = _wavExporter.LastErrorString;
if (progress >= 0)
{
progressBar.Value = progress;
if (progress == 100)
{
_timer.Stop();
labelError.Text = "Completed";
_wavExporter.EndExport();
_wavExporter = null;
buttonCancel.Enabled = false;
}
}
if (lastError > 0)
{
progressBar.Value = 0;
labelError.Text = lastErrorString + " ( " + lastError + " )";
if (_wavExporter != null)
{
_wavExporter.EndExport();
_wavExporter = null;
buttonCancel.Enabled = false;
}
}
}
}
/// <summary>
/// Now start the export
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonExport_Click(object sender, EventArgs e)
{
List <Item> audioSources = new List <Item>();
String destPath = _path;
if (dateTimePickerStart.Value > dateTimePickerEnd.Value)
{
MessageBox.Show("Start time need to be lower than end time");
return;
}
if (string.IsNullOrWhiteSpace(textBoxAudioFileName.Text))
{
MessageBox.Show("Please enter a filename for the WAV file.", "Enter Filename");
return;
}
destPath = Path.Combine(_path, "Exported Audios\\");
_wavExporter = new WAVExporter()
{
FileName = textBoxAudioFileName.Text,
Codec = (String)comboBoxCodec.SelectedItem,
AudioSampleRate = Int32.Parse(comboBoxAudioSampleRates.SelectedItem.ToString()),
Path = destPath,
AudioList = _audioList,
};
_wavExporter.Init();
bool isStarted = _wavExporter.StartExport(dateTimePickerStart.Value.ToUniversalTime(), dateTimePickerEnd.Value.ToUniversalTime());
try
{
if (isStarted)
{
_timer.Tick += ShowProgress;
_timer.Start();
buttonExport.Enabled = false;
buttonCancel.Enabled = true;
}
else
{
int lastError = _wavExporter.LastError;
string lastErrorString = _wavExporter.LastErrorString;
labelError.Text = lastErrorString + " ( " + lastError + " )";
_wavExporter.EndExport();
}
} catch (Exception ex)
{
EnvironmentManager.Instance.ExceptionDialog("Start Export", ex);
}
}
private void _buttonExport_Click(object sender, RoutedEventArgs e)
{
if (_audioList.Count == 0)
{
UpdateStatus("Please Select audio device before export");
return;
}
if (_datePickerStart.Value.CompareTo(_datePickerEnd.Value) >= 0)
{
UpdateStatus("Start time has to be smaller than end time");
return;
}
if (string.IsNullOrWhiteSpace(_textBoxFileName.Text))
{
UpdateStatus("Please give it a export file name");
return;
}
if (_buttonSelectDestination.Content.ToString() == "Select Destination")
{
UpdateStatus("Please specify a export destination");
return;
}
var wavExporter = new WAVExporter()
{
FileName = _textBoxFileName.Text,
Codec = _comboBoxCodec.SelectedItem.ToString(),
AudioSampleRate = Int32.Parse(_comboBoxSampleRates.SelectedItem.ToString()),
AudioList = _audioList,
Path = _selectedPath
};
if (!string.IsNullOrWhiteSpace(_textBoxExportName.Text))
{
wavExporter.ExportName = _textBoxExportName.Text;
}
_exportJobsQueue.Enqueue(new ExportJob()
{
Exporter = wavExporter, StartTime = _datePickerStart.Value.ToUniversalTime(), EndTime = _datePickerEnd.Value.ToUniversalTime()
});
//We have different threads accessing the same UpdateProgress, however, since the export jobs in SC are executed sequentially, the progressbar will not show concurret updates
Progress <int> progressIndicator = new Progress <int>(UpdateProgress);
var cts = new CancellationTokenSource();
_ctsQueue.Enqueue(cts);
Task.Factory.StartNew(() => ExportFromQueueAsync(progressIndicator, cts.Token), cts.Token);
}
private void BuildCodecList()
{
comboBoxCodec.Items.Clear();
WAVExporter tempExporter = new WAVExporter();
tempExporter.Init();
string[] codecList = tempExporter.CodecList;
tempExporter.Close();
foreach (string name in codecList)
{
comboBoxCodec.Items.Add(name);
}
comboBoxCodec.SelectedIndex = 0;
}
