public static MorphicResult <AudioEndpoint, WindowsComError> GetDefaultAudioOutputEndpoint()
{
// get a reference to our default output device
var createDeviceEnumeratorResult = MMDeviceEnumerator.CreateNew();
if (createDeviceEnumeratorResult.IsError == true)
{
return(MorphicResult.ErrorResult(createDeviceEnumeratorResult.Error !));
}
var mmDeviceEnumerator = createDeviceEnumeratorResult.Value !;
//
// NOTE: .NET should automatically release the defaultAudioOutputEndpoint
var getDefaultAudioEndpointResult = mmDeviceEnumerator.GetDefaultAudioEndpoint(EDataFlow.eRender, ERole.eMultimedia);
if (getDefaultAudioEndpointResult.IsError == true)
{
return(MorphicResult.ErrorResult(getDefaultAudioEndpointResult.Error !));
}
var defaultAudioOutputEndpoint = getDefaultAudioEndpointResult.Value !;
// activate the endpoint so we can read/write its volume and mute state, etc.
Guid IID_IAudioEndpointVolume = new Guid("5CDF2C82-841E-4546-9722-0CF74078229A");
var activateResult = defaultAudioOutputEndpoint.Activate(IID_IAudioEndpointVolume, CLSCTX.CLSCTX_INPROC_SERVER);
if (activateResult.IsError == true)
{
return(MorphicResult.ErrorResult(activateResult.Error !));
}
var audioEndpointVolumeAsObject = activateResult.Value !;
var audioEndpointVolume = (IAudioEndpointVolume)audioEndpointVolumeAsObject;
var result = new AudioEndpoint(audioEndpointVolume);
return(MorphicResult.OkResult(result));
}