public DS4Audio(DataFlow audioFlags = DataFlow.Render)
{
var audioEnumerator = new MMDeviceEnumeratorComObject() as IMMDeviceEnumerator;
IMMDeviceCollection audioDevices;
audioEnumerator.EnumAudioEndpoints(audioFlags, DeviceState.Active, out audioDevices);
int numAudioDevices;
Marshal.ThrowExceptionForHR(audioDevices.GetCount(out numAudioDevices));
for (int deviceNumber = 0; deviceNumber < numAudioDevices; ++deviceNumber)
{
IMMDevice audioDevice;
Marshal.ThrowExceptionForHR(audioDevices.Item(deviceNumber, out audioDevice));
string deviceName = GetAudioDeviceName(ref audioDevice);
if (deviceName.Contains("DUALSHOCK®4 USB Wireless Adaptor"))
{
object interfacePointer;
Marshal.ThrowExceptionForHR(audioDevice.Activate(ref IID_IAudioEndpointVolume, ClsCtx.ALL, IntPtr.Zero, out interfacePointer));
endpointVolume = interfacePointer as IAudioEndpointVolume;
}
Marshal.ReleaseComObject(audioDevice);
}
Marshal.ReleaseComObject(audioDevices);
Marshal.ReleaseComObject(audioEnumerator);
}
public DS4Audio(DataFlow audioFlags = DataFlow.Render,
string searchName = "Wireless Controller")
{
var audioEnumerator = new MMDeviceEnumeratorComObject() as IMMDeviceEnumerator;
IMMDeviceCollection audioDevices;
audioEnumerator.EnumAudioEndpoints(audioFlags, DeviceState.Active, out audioDevices);
int numAudioDevices;
Marshal.ThrowExceptionForHR(audioDevices.GetCount(out numAudioDevices));
for (int deviceNumber = 0; deviceNumber < numAudioDevices; ++deviceNumber)
{
IMMDevice audioDevice;
Marshal.ThrowExceptionForHR(audioDevices.Item(deviceNumber, out audioDevice));
string deviceName = GetAudioDeviceName(ref audioDevice);
if (deviceName.Contains(searchName))
{
object interfacePointer;
Marshal.ThrowExceptionForHR(audioDevice.Activate(ref IID_IAudioEndpointVolume, ClsCtx.ALL, IntPtr.Zero, out interfacePointer));
instAudioFlags = audioFlags;
endpointVolume = interfacePointer as IAudioEndpointVolume;
endpointVolume.RegisterControlChangeNotify(this);
}
RefreshVolume();
Marshal.ReleaseComObject(audioDevice);
}
Marshal.ReleaseComObject(audioDevices);
Marshal.ReleaseComObject(audioEnumerator);
}
public static void listDevices(int dataFlow, string setMute, System.Collections.Generic.List <DEVICE_SUMMARY> defaultDevices)
{
var enumerator = new MMDeviceEnumeratorComObject() as IMMDeviceEnumerator;
uint deviceCount = 0, i = 0;
System.Console.Write("EnumAudioEndpoints: ...");
IMMDeviceCollection deviceCollection; enumerator.EnumAudioEndpoints(dataFlow, 1, out deviceCollection);
// EDataFlow: 0=eRender;1=eCapture;2=eAll | 1=DEVICE_STATE_ACTIVE
deviceCollection.GetCount(out deviceCount); System.Console.WriteLine(" deviceCount=" + deviceCount);//return;
for (i = 0; i < deviceCount; i++)
{
System.Console.Write("\n" + i + ":");
IMMDevice dev = null; deviceCollection.Item(i, out dev);
if (!Object.ReferenceEquals(null, dev))
{
IMMEndpoint ep = (IMMEndpoint)dev; // Marshal.QueryInterface shouldn't be necessary, just use cast instead [ http://stackoverflow.com/questions/5077172/how-do-i-use-marshal-queryinterface ]
int dataFlow1; ep.GetDataFlow(out dataFlow1);
System.Console.WriteLine(" GetDataFlow: [" + dataFlow1 + "] " + ((dataFlow1 == 0)?"Playback":"Recording"));
DEVICE_SUMMARY defaultDevice = new DEVICE_SUMMARY();
foreach (var dev0 in defaultDevices)
{
if (dev0.dataFlow == dataFlow1)
{
defaultDevice = dev0;
break;
}
}
listDeviceProperties(dev, defaultDevice);
if (setMute == "0" || setMute == "1")
{
IAudioEndpointVolume epv = null;
var epvid = typeof(IAudioEndpointVolume).GUID;
Marshal.ThrowExceptionForHR(dev.Activate(ref epvid, /*CLSCTX_ALL*/ 23, 0, out epv));
epv.SetMute((setMute == "0"), System.Guid.Empty); System.Console.WriteLine(" SetMute: " + (setMute == "0"));
}
}
Marshal.ReleaseComObject(dev);
}
Marshal.ReleaseComObject(deviceCollection);
System.Console.WriteLine();
}
