internal static OutputDeviceModel GetDeviceMock(string id, string name, IDeviceStateNotificationHandler deviceStateHandler)
{
var master = MasterSessionModelTests.GetMasterMock(name, 70, false, null);
var sessions = new ObservableCollection <AudioSessionModel>();
sessions.Add(AudioSessionModelTests.GetSessionMock("app", 50, false));
var deviceMock = new Mock <IDevice>();
deviceMock.Setup(m => m.GetId()).Returns(id);
var sProviderMock = new Mock <ISessionProvider>();
return(new OutputDeviceModel(deviceMock.Object, deviceStateHandler, sProviderMock.Object, master,
sessions));
}
public List <OutputDeviceModel> GetCurrentActiveDevices(IDeviceStateNotificationHandler dsn)
{
var devices = new List <OutputDeviceModel>();
IMMDeviceCollection activeDevices = null;
uint count = 0;
try
{
Marshal.ThrowExceptionForHR(this.MMDeviceEnumerator.EnumAudioEndpoints(EDataFlow.Render, DeviceState.Active, out activeDevices));
activeDevices?.GetCount(out count);
if (count == 0)
{
return(devices);
}
}
catch (Exception e)
{
Logger.Error($"Failed to get output devices collection", e);
return(devices);
}
for (uint i = 0; i < count; i++)
{
try
{
IMMDevice dev = null;
activeDevices?.Item(i, out dev);
if (dev == null)
{
continue;
}
var device = new MMDevice(dev);
var deviceModel = device.GetOutputDeviceModel(dsn);
if (deviceModel != null)
{
devices.Add(deviceModel);
}
}
catch (Exception e)
{
Logger.Error($"Failed to enumerate output devices", e);
}
}
return(devices);
}
internal static OutputDeviceModel GetOutputDeviceModel(this IDevice device, IDeviceStateNotificationHandler deviceStateNotificationHandler)
{
try
{
var sessionManager =
(IAudioSessionManager2)device.Activate(new Guid(GuidValue.External.IAudioSessionManager2));
sessionManager.GetSessionEnumerator(out IAudioSessionEnumerator sessionEnum);
var sessions = device.GetCurrentSessionList(sessionEnum);
var sessionProvider = new AudioSessionProvider(sessionManager);
var master = device.GetMaster();
return(new OutputDeviceModel(device, deviceStateNotificationHandler, sessionProvider, master, sessions));
}
catch (Exception e)
{
Logger.Error("Failed to create output device model", e);
return(null);
}
}
public static DeviceProvider GetDeviceProviderMock(IDeviceEnumerator deviceEnum, IDeviceStateNotificationHandler deviceState)
{
return((DeviceProvider)Activator.CreateInstance(typeof(DeviceProvider),
BindingFlags.NonPublic | BindingFlags.Instance, null,
new object[] { deviceEnum, deviceState }, CultureInfo.InvariantCulture,
null));
}