private void ServiceChanged()
{
XtService s = (XtService)(service.SelectedItem);
inputDevice.DataSource = null;
outputDevice.DataSource = null;
ClearDevices();
DeviceView inputView = new DeviceView();
inputView.defaultInput = true;
inputView.device = s.OpenDefaultDevice(false);
if (inputView.device != null)
{
deviceViews.Add(inputView);
}
DeviceView outputView = new DeviceView();
outputView.defaultOutput = true;
outputView.device = s.OpenDefaultDevice(true);
if (outputView.device != null)
{
deviceViews.Add(outputView);
}
for (int i = 0; i < s.GetDeviceCount(); i++)
{
DeviceView view = new DeviceView();
view.device = s.OpenDevice(i);
view.index = i;
deviceViews.Add(view);
}
List <DeviceView> inputViews = (from v in deviceViews
where v.defaultInput || v.device.GetChannelCount(false) > 0
select v).ToList();
inputViews.Insert(0, new DeviceView());
List <DeviceView> outputViews = (from v in deviceViews
where v.defaultOutput || v.device.GetChannelCount(true) > 0
select v).ToList();
outputViews.Insert(0, new DeviceView());
inputDevice.DataSource = new List <DeviceView>(inputViews);
outputDevice.DataSource = new List <DeviceView>(outputViews);
secondaryInput.DataSource = new List <DeviceView>(inputViews);
secondaryOutput.DataSource = new List <DeviceView>(outputViews);
inputDevice.SelectedIndex = inputViews.Count == 1 ? 0 : 1;
outputDevice.SelectedIndex = outputViews.Count == 1 ? 0 : 1;
system.Text = s.GetSystem().ToString();
capabilities.Text = XtPrint.CapabilitiesToString(s.GetCapabilities());
defaultInput.Text = inputView.device == null ? "null" : inputView.device.ToString();
defaultOutput.Text = outputView.device == null ? "null" : outputView.device.ToString();
inputControlPanel.Enabled = s.GetSystem() == XtSystem.Asio;
outputControlPanel.Enabled = s.GetSystem() == XtSystem.Asio;
}
static IList <StreamType> GetStreamTypes(XtService service)
{
var result = new List <StreamType>();
result.Add(StreamType.Render);
result.Add(StreamType.Capture);
if ((service.GetCapabilities() & XtServiceCaps.FullDuplex) != 0)
{
result.Add(StreamType.Duplex);
}
if ((service.GetCapabilities() & XtServiceCaps.Aggregation) != 0)
{
result.Add(StreamType.Aggregate);
}
return(result);
}
void OnSystemChanged(object sender, EventArgs e)
{
_suspendDeviceChanged = true;
try
{
XtService s = _platform.GetService((XtSystem)_system.SelectedItem);
_streamType.DataSource = GetStreamTypes(s);
_streamType.SelectedItem = StreamType.Render;
ClearDevices();
var defaultInputId = s.GetDefaultDeviceId(false);
var defaultOutputId = s.GetDefaultDeviceId(true);
using var inputList = s.OpenDeviceList(XtEnumFlags.Input);
using var outputList = s.OpenDeviceList(XtEnumFlags.Output);
var inputs = GetDeviceInfos(s, inputList, defaultInputId);
var outputs = GetDeviceInfos(s, outputList, defaultOutputId);
_input.SystemChanged(s, inputs);
_output.SystemChanged(s, outputs);
_serviceCaps.Text = s.GetCapabilities().ToString();
_secondaryInput.DataSource = new List <DeviceInfo>(inputs);
_secondaryOutput.DataSource = new List <DeviceInfo>(outputs);
_defaultInput.Text = defaultInputId == null ? "[None]" : inputList.GetName(defaultInputId);
_defaultOutput.Text = defaultOutputId == null ? "[None]" : outputList.GetName(defaultOutputId);
} finally
{
_suspendDeviceChanged = false;
}
FormatOrDeviceChanged();
}
public static void Main()
{
XtAudio.SetOnError(OnError);
using XtPlatform platform = XtAudio.Init("Sample", IntPtr.Zero);
try
{
XtVersion version = XtAudio.GetVersion();
Console.WriteLine("Version: " + version.major + "." + version.minor);
XtSystem pro = platform.SetupToSystem(XtSetup.ProAudio);
Console.WriteLine("Pro Audio: " + pro + " (" + (platform.GetService(pro) != null) + ")");
XtSystem system = platform.SetupToSystem(XtSetup.SystemAudio);
Console.WriteLine("System Audio: " + system + " (" + (platform.GetService(system) != null) + ")");
XtSystem consumer = platform.SetupToSystem(XtSetup.ConsumerAudio);
Console.WriteLine("Consumer Audio: " + consumer + " (" + (platform.GetService(consumer) != null) + ")");
foreach (XtSystem s in platform.GetSystems())
{
XtService service = platform.GetService(s);
using XtDeviceList all = service.OpenDeviceList(XtEnumFlags.All);
Console.WriteLine("System: " + s);
Console.WriteLine(" Capabilities: " + service.GetCapabilities());
string defaultInput = service.GetDefaultDeviceId(false);
if (defaultInput != null)
{
string name = all.GetName(defaultInput);
Console.WriteLine(" Default input: " + name + " (" + defaultInput + ")");
}
string defaultOutput = service.GetDefaultDeviceId(true);
if (defaultOutput != null)
{
string name = all.GetName(defaultOutput);
Console.WriteLine(" Default output: " + name + " (" + defaultOutput + ")");
}
using XtDeviceList inputs = service.OpenDeviceList(XtEnumFlags.Input);
Console.WriteLine(" Input device count: " + inputs.GetCount());
PrintDevices(service, inputs);
using XtDeviceList outputs = service.OpenDeviceList(XtEnumFlags.Output);
Console.WriteLine(" Output device count: " + outputs.GetCount());
PrintDevices(service, outputs);
}
} catch (XtException e)
{ Console.WriteLine(XtAudio.GetErrorInfo(e.GetError())); } catch (Exception e)
{ Console.WriteLine(e.Message); }
}
public static void Main(String[] args)
{
using (XtAudio audio = new XtAudio("Sample", IntPtr.Zero, OnTrace, OnFatal))
{
try
{
Console.WriteLine("Win32: " + XtAudio.IsWin32());
Console.WriteLine("Version: " + XtAudio.GetVersion());
XtService pro = XtAudio.GetServiceBySetup(XtSetup.ProAudio);
Console.WriteLine("Pro Audio: " + (pro == null ? "None" : pro.GetName()));
XtService system = XtAudio.GetServiceBySetup(XtSetup.SystemAudio);
Console.WriteLine("System Audio: " + (system == null ? "None" : system.GetName()));
XtService consumer = XtAudio.GetServiceBySetup(XtSetup.ConsumerAudio);
Console.WriteLine("Consumer Audio: " + (consumer == null ? "None" : consumer.GetName()));
for (int s = 0; s < XtAudio.GetServiceCount(); s++)
{
XtService service = XtAudio.GetServiceByIndex(s);
Console.WriteLine("Service " + service.GetName() + ":");
Console.WriteLine(" System: " + service.GetSystem());
Console.WriteLine(" Device count: " + service.GetDeviceCount());
Console.WriteLine(" Capabilities: " + XtPrint.CapabilitiesToString(service.GetCapabilities()));
using (XtDevice defaultInput = service.OpenDefaultDevice(false))
Console.WriteLine(" Default input: " + defaultInput);
using (XtDevice defaultOutput = service.OpenDefaultDevice(true))
Console.WriteLine(" Default output: " + defaultOutput);
for (int d = 0; d < service.GetDeviceCount(); d++)
{
using (XtDevice device = service.OpenDevice(d))
{
Console.WriteLine(" Device " + device.GetName() + ":");
Console.WriteLine(" System: " + device.GetSystem());
Console.WriteLine(" Current mix: " + device.GetMix());
Console.WriteLine(" Input channels: " + device.GetChannelCount(false));
Console.WriteLine(" Output channels: " + device.GetChannelCount(true));
Console.WriteLine(" Interleaved access: " + device.SupportsAccess(true));
Console.WriteLine(" Non-interleaved access: " + device.SupportsAccess(false));
}
}
}
} catch (XtException e)
{
Console.WriteLine("Error: system %s, fault %s, cause %s, text %s, message: %s.\n",
XtException.GetSystem(e.GetError()),
XtException.GetFault(e.GetError()),
XtException.GetCause(e.GetError()),
XtException.GetText(e.GetError()),
e.ToString());
}
}
}