/// <summary>
/// Initializes the scenario
/// </summary>
/// <returns></returns>
private async Task InitializeAsync(CancellationToken cancel = default(CancellationToken))
{
var streamFilteringCriteria = new
{
//AspectRatio = 1.333333333333333,
HorizontalResolution = (uint)480,
SubType = "YUY2"
};
currentState = State.Initializing;
device = new CaptureDevice();
CameraPreview.Visibility = Visibility.Collapsed;
PreviewPoster.Visibility = Visibility.Visible;
Preview.Content = "Start Preview";
LoopbackClient.IsEnabled = false;
mode = defaultMode;
LatencyModeToggle.IsOn = (mode == LatencyMode.LowLatency);
LatencyModeToggle.IsEnabled = false;
await device.InitializeAsync();
var setting = await device.SelectPreferredCameraStreamSettingAsync(MediaStreamType.VideoPreview, ((x) =>
{
var previewStreamEncodingProperty = x as Windows.Media.MediaProperties.VideoEncodingProperties;
return(previewStreamEncodingProperty.Width >= streamFilteringCriteria.HorizontalResolution &&
previewStreamEncodingProperty.Subtype == streamFilteringCriteria.SubType);
}));
previewEncodingProperties = setting as VideoEncodingProperties;
PreviewSetupCompleted();
}
private async Task InitializeAsync(CancellationToken cancel = default(CancellationToken))
{
rootPage.NotifyUser("Initializing...", NotifyType.StatusMessage);
try
{
await device.InitializeAsync();
await StartRecordToCustomSink();
HostName.IsEnabled = Call.IsEnabled = true;
EndCall.IsEnabled = false;
RemoteVideo.Source = null;
RemoteVideo.Height = (RemoteVideo.Parent as Grid).ActualHeight;
// Each client starts out as passive
roleIsActive = false;
Interlocked.Exchange(ref isTerminator, 0);
rootPage.NotifyUser("Tap 'Call' button to start call", NotifyType.StatusMessage);
}
catch (Exception)
{
rootPage.NotifyUser("Initialization error. Restart the sample to try again.", NotifyType.ErrorMessage);
}
}
private async Task readCameraProperties()
{
var cameraFound = await CaptureDevice.CheckForRecordingDeviceAsync();
if (cameraFound)
{
device = new CaptureDevice();
await device.InitializeAsync();
loadAllVideoProperties();
await device.CleanUpAsync();
device = null;
}
else
{
NotifyUser("A machine with a camera and a microphone is required to run this sample.", NotifyType.ErrorMessage);
}
}
private async Task <bool> createRecordingObject()
{
var cameraFound = await CaptureDevice.CheckForRecordingDeviceAsync();
if (cameraFound)
{
device = new CaptureDevice();
await device.InitializeAsync();
device.IncomingConnectionArrived += device_IncomingConnectionArrived;
device.CaptureFailed += device_CaptureFailed;
return(true);
}
else
{
NotifyUser("A machine with a camera and a microphone is required to run this sample.", NotifyType.ErrorMessage);
return(false);
}
}
/// <summarycancel
/// Initializes the scenario
/// </summary>
/// <returns></returns>
private async Task InitializeAsync()
{
var streamFilteringCriteria = new
{
HorizontalResolution = (uint)480,
SubType = "YUY2"
};
currentState = State.Initializing;
device = new CaptureDevice();
PreviewVideo.Visibility = Visibility.Collapsed;
WebcamPreviewPoster.Visibility = Visibility.Visible;
PreviewButton.Content = "Start Preview";
LoopbackClientButton.IsEnabled = false;
mode = defaultMode;
LatencyModeToggle.IsOn = (mode == LatencyMode.LowLatency);
LatencyModeToggle.IsEnabled = false;
await device.InitializeAsync();
var setting = await device.SelectPreferredCameraStreamSettingAsync(MediaStreamType.VideoPreview, ((x) =>
{
var previewStreamEncodingProperty = x as Windows.Media.MediaProperties.VideoEncodingProperties;
return (previewStreamEncodingProperty.Width >= streamFilteringCriteria.HorizontalResolution &&
previewStreamEncodingProperty.Subtype == streamFilteringCriteria.SubType);
}));
previewEncodingProperties = setting as VideoEncodingProperties;
PreviewSetupCompleted();
}
