void CheckDefaultAudioDevice(SoundOutRepresenter representer)
{
if (representer.AudioDevices.All(x => x.ID == DefaultDevicePlaceholder))
{
representer.AudioDevices.Clear(); //No default item if there are no other devices
}
else if(representer.AudioDevices.Count > 0 && representer.AudioDevices.All(x => x.ID != DefaultDevicePlaceholder))
{
representer.AudioDevices.Insert(0, new AudioDevice("-0", "Windows Default"));
}
}
void RefreshSoundOutRepresenter()
{
var result = new ObservableCollection<SoundOutRepresenter>();
using (var enumerator = new MMDeviceEnumerator())
{
MMDevice standarddevice;
try
{
standarddevice = enumerator.GetDefaultAudioEndpoint(DataFlow.Render, Role.Multimedia);
}
catch (CoreAudioAPIException)
{
standarddevice = null;
}
if (WasapiOut.IsSupportedOnCurrentPlatform)
{
var wasApiItem = new SoundOutRepresenter(deviceId =>
{
using (var mmdeviceEnumerator = new MMDeviceEnumerator())
{
var device =
mmdeviceEnumerator.EnumAudioEndpoints(DataFlow.Render, DeviceState.Active)
.FirstOrDefault(x => x.DeviceID == deviceId);
return device == null ? null : new AudioDevice(device.DeviceID, device.FriendlyName);
}
}) { Name = "WASAPI", SoundOutMode = SoundOutMode.WASAPI };
using (var devices = enumerator.EnumAudioEndpoints(DataFlow.Render, DeviceState.Active))
{
foreach (var device in devices.Select(device => new AudioDevice(device.DeviceID, device.FriendlyName, standarddevice != null && standarddevice.DeviceID == device.DeviceID)))
{
wasApiItem.AudioDevices.Add(device);
}
}
CheckDefaultAudioDevice(wasApiItem);
result.Add(wasApiItem);
}
var directSoundItem = new SoundOutRepresenter(deviceId =>
{
var device =
new DirectSoundDeviceEnumerator().Devices
.FirstOrDefault(x => x.Guid.ToString() == deviceId);
return device == null ? null : new AudioDevice(device.Guid.ToString(), device.Description);
}) { Name = "DirectSound", SoundOutMode = SoundOutMode.DirectSound };
foreach (var device in new DirectSoundDeviceEnumerator().Devices.Select(x => new AudioDevice(x.Guid.ToString(), x.Description, standarddevice != null && x.Description == standarddevice.FriendlyName)))
{
directSoundItem.AudioDevices.Add(device);
}
CheckDefaultAudioDevice(directSoundItem);
result.Add(directSoundItem);
}
SoundOutList = result;
}
