public GlobalEngine()
{
Engine = AudioService.Engine;
var inputDevice = AsioInputDeviceDefinition.Instance;
if (inputDevice.Entries.Count > 1) //"Default" entry is always there!
{
//define some absolut baseline defaults for when there is no settings file yet
var selectedDriver = defaultEntry;
var selectedSamplerate = 48000;
var selectedInputCount = 2;
var selectedOutputCount = 2;
//check settings file for selected driver and settings
var settingspath = Path.Combine(VLSession.Instance.UserAppDataFolder, settingsFile);
if (File.Exists(settingspath))
{
var doc = new XmlDocument();
doc.Load(settingspath);
var node = doc.DocumentElement.SelectSingleNode("/Settings/Driver");
if (node != null)
{
selectedDriver = node.InnerText;
}
node = doc.DocumentElement.SelectSingleNode("/Settings/SampleRate");
if (node != null)
{
int.TryParse(node.InnerText, out selectedSamplerate);
}
node = doc.DocumentElement.SelectSingleNode("/Settings/Inputs");
if (node != null)
{
int.TryParse(node.InnerText, out selectedInputCount);
}
node = doc.DocumentElement.SelectSingleNode("/Settings/Outputs");
if (node != null)
{
int.TryParse(node.InnerText, out selectedOutputCount);
}
}
//make sure selected driver is currently available
if (!inputDevice.Entries.Contains(selectedDriver))
{
selectedDriver = defaultEntry;
}
//if "Default" is selected, make an actual choice
if (selectedDriver == defaultEntry)
{
selectedDriver = inputDevice.GetDefaultDriver();
}
try
{
Engine.ChangeDriver(selectedDriver, 0, 0);
var sampleRates = AudioSampleRateDefinition.Instance.Entries.ToList();
if (sampleRates.Contains(selectedSamplerate.ToString()))
{
Engine.ChangeDriverSettings(selectedDriver, selectedSamplerate, selectedInputCount, 0, selectedOutputCount, 0);
Engine.Play = true;
}
}
finally
{ }
}
}