public IAsyncOperation <AudioFrameReader> OpenAudioFrameReaderAsync()
{
return(Task.Run(async() =>
{
if (AudioReader == null)
{
var microphones = await DeviceInformation.FindAllAsync(DeviceInformation.GetAqsFilterFromDeviceClass(DeviceClass.AudioCapture));
var kinectMicArray = microphones.FirstOrDefault(mic => mic.Name.ToLowerInvariant().Contains("xbox nui sensor"));
if (kinectMicArray != null)
{
//TODO: review parameters
var settings = new AudioGraphSettings(AudioRenderCategory.Speech);
settings.EncodingProperties = AudioEncodingProperties.CreatePcm(16000, 4, 32);
settings.EncodingProperties.Subtype = MediaEncodingSubtypes.Float;
settings.QuantumSizeSelectionMode = QuantumSizeSelectionMode.LowestLatency;
settings.DesiredRenderDeviceAudioProcessing = Windows.Media.AudioProcessing.Raw;
var audioGraphResult = await AudioGraph.CreateAsync(settings);
if (audioGraphResult.Status == AudioGraphCreationStatus.Success)
{
var inputNodeResult = await audioGraphResult.Graph.CreateDeviceInputNodeAsync(MediaCategory.Speech, audioGraphResult.Graph.EncodingProperties, kinectMicArray);
if (inputNodeResult.Status == AudioDeviceNodeCreationStatus.Success)
{
var output = audioGraphResult.Graph.CreateFrameOutputNode(audioGraphResult.Graph.EncodingProperties);
AudioReader = new AudioFrameReader(audioGraphResult.Graph, output);
}
}
}
}
AudioReader?.Open();
return AudioReader;
}).AsAsyncOperation());
}
public IAsyncAction CloseAsync()
{
return(Task.Run(async() =>
{
await _bodyIndexReader?.CloseAsync();
_bodyIndexReader?.Dispose();
_bodyIndexReader = null;
await _bodyReader?.CloseAsync();
_bodyReader?.Dispose();
_bodyReader = null;
await _colorReader?.CloseAsync();
_colorReader?.Dispose();
_colorReader = null;
await _depthReader?.CloseAsync();
_depthReader?.Dispose();
_depthReader = null;
_audioReader?.Close();
_audioReader?.Dispose();
_audioReader = null;
if (Type != SensorType.NetworkClient)
{
_mediaCapture?.Dispose();
_mediaCapture = null;
}
else
{
_sensorConnection.Dispose();
_sensorConnection = null;
}
}).AsAsyncAction());
}
