//Get the current default audio device
public static AudioDeviceSummary GetDefaultDevice()
{
try
{
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
IMMDevice.IMMDevice deviceItem = deviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
//Get the audio device id
string deviceId = deviceItem.GetId();
//Get the audio device name
PropertyVariant propertyVariant = new PropertyVariant();
IPropertyStore propertyStore = deviceItem.OpenPropertyStore(STGM.STGM_READ);
propertyStore.GetValue(ref PKEY_Device_FriendlyName, out propertyVariant);
string deviceName = Marshal.PtrToStringUni(propertyVariant.pwszVal);
return(new AudioDeviceSummary()
{
Identifier = deviceId, Name = deviceName
});
}
catch
{
Debug.WriteLine("Failed to get the default audio device.");
return(null);
}
}
//Get all the playback audio devices
public static List <AudioDeviceSummary> ListAudioDevices()
{
try
{
List <AudioDeviceSummary> deviceListSummary = new List <AudioDeviceSummary>();
IMMDeviceEnumerator deviceEnumerator = (IMMDeviceEnumerator) new MMDeviceEnumerator();
IMMDeviceCollection deviceCollection = deviceEnumerator.EnumAudioEndpoints(EDataFlow.eRender, DeviceState.ACTIVE);
uint deviceCount = deviceCollection.GetCount();
for (uint deviceIndex = 0; deviceIndex < deviceCount; deviceIndex++)
{
IMMDevice.IMMDevice deviceItem = deviceCollection.Item(deviceIndex);
//Get the audio device id
string deviceId = deviceItem.GetId();
//Get the audio device name
PropertyVariant propertyVariant = new PropertyVariant();
IPropertyStore propertyStore = deviceItem.OpenPropertyStore(STGM.STGM_READ);
propertyStore.GetValue(ref PKEY_Device_FriendlyName, out propertyVariant);
string deviceName = Marshal.PtrToStringUni(propertyVariant.pwszVal);
//Add device to summary list
deviceListSummary.Add(new AudioDeviceSummary()
{
Identifier = deviceId, Name = deviceName
});
}
return(deviceListSummary);
}
catch
{
Debug.WriteLine("Failed to get audio devices.");
return(null);
}
}