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());
}
}
}
static void PrintDevices(XtService service, XtDeviceList list)
{
for (int d = 0; d < list.GetCount(); d++)
{
string id = list.GetId(d);
try
{
using XtDevice device = service.OpenDevice(id);
XtMix?mix = device.GetMix();
Console.WriteLine(" Device " + id + ":");
Console.WriteLine(" Name: " + list.GetName(id));
Console.WriteLine(" Capabilities: " + list.GetCapabilities(id));
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));
if (mix != null)
{
Console.WriteLine(" Current mix: " + mix.Value.rate + " " + mix.Value.sample);
}
} catch (XtException e)
{ Console.WriteLine(XtAudio.GetErrorInfo(e.GetError())); }
}
}
private void FormatOrDeviceChanged()
{
if (sample.SelectedItem != null)
{
var attrs = XtAudio.GetSampleAttributes((XtSample)sample.SelectedItem);
attributes.Text = XtPrint.AttributesToString(attrs);
}
XtFormat inputFormat = GetFormat(false);
XtDevice inputDevice = this.inputDevice.SelectedItem == null ?
null : ((DeviceView)(this.inputDevice.SelectedItem)).device;
bool inputSupported = inputDevice == null ? false : inputDevice.SupportsFormat(inputFormat);
inputFormatSupported.Text = inputSupported.ToString();
XtBuffer inputBuffer = !inputSupported ? null : inputDevice.GetBuffer(inputFormat);
inputBufferSizes.Text = !inputSupported ? "N/A" : string.Format("{0} / {1} / {2}",
inputBuffer.min.ToString("N1"), inputBuffer.current.ToString("N1"), inputBuffer.max.ToString("N1"));
inputMix.Text = inputDevice == null || inputDevice.GetMix() == null ? "N/A" : inputDevice.GetMix().ToString();
inputInterleaved.Text = inputDevice == null
? "N/A"
: inputDevice.SupportsAccess(true) && inputDevice.SupportsAccess(false)
? "Both"
: inputDevice.SupportsAccess(false)
? "False"
: "True";
List <ChannelView> inputViews = new List <ChannelView>();
if (inputDevice != null)
{
inputViews = (from i in Enumerable.Range(0, inputDevice.GetChannelCount(false))
select new ChannelView {
index = i, name = (1 + i) + ": " + inputDevice.GetChannelName(false, i)
})
.ToList();
}
inputChannels.DataSource = null;
inputChannels.DataSource = inputViews;
inputChannels.SelectedItems.Clear();
XtFormat outputFormat = GetFormat(true);
XtDevice outputDevice = this.outputDevice.SelectedItem == null ?
null : ((DeviceView)(this.outputDevice.SelectedItem)).device;
bool outputSupported = outputDevice == null ? false : outputDevice.SupportsFormat(outputFormat);
outputFormatSupported.Text = outputSupported.ToString();
XtBuffer outputBuffer = !outputSupported ? null : outputDevice.GetBuffer(outputFormat);
outputBufferSizes.Text = !outputSupported ? "N/A" : string.Format("{0} / {1} / {2}",
outputBuffer.min.ToString("N1"), outputBuffer.current.ToString("N1"), outputBuffer.max.ToString("N1"));
outputMix.Text = outputDevice == null || outputDevice.GetMix() == null ? "N/A" : outputDevice.GetMix().ToString();
outputInterleaved.Text = outputDevice == null
? "N/A"
: outputDevice.SupportsAccess(true) && outputDevice.SupportsAccess(false)
? "Both"
: outputDevice.SupportsAccess(false)
? "False"
: "True";
List <ChannelView> outputViews = new List <ChannelView>();
if (outputDevice != null)
{
outputViews = (from i in Enumerable.Range(0, outputDevice.GetChannelCount(true))
select new ChannelView {
index = i, name = (1 + i) + ": " + outputDevice.GetChannelName(true, i)
})
.ToList();
}
outputChannels.DataSource = null;
outputChannels.DataSource = outputViews;
outputChannels.SelectedItems.Clear();
bufferSize.Minimum = 1;
bufferSize.Maximum = 5000;
bufferSize.Value = 1000;
if (outputBuffer != null)
{
bufferSize.Minimum = (int)Math.Floor(outputBuffer.min);
bufferSize.Maximum = (int)Math.Ceiling(outputBuffer.max);
bufferSize.Value = (int)Math.Ceiling(outputBuffer.current);
bufferSize.TickFrequency = (bufferSize.Maximum - bufferSize.Minimum) / 10;
}
}