async void Setup()
{
ObjectDetectorDescriptor descriptor = new ObjectDetectorDescriptor();
var m_availableExecutionDevices = await descriptor.GetSupportedExecutionDevicesAsync();
skill = await descriptor.CreateSkillAsync() as ObjectDetectorSkill; // If you don't specify an ISkillExecutionDevice, a default will be automatically selected
binding = await skill.CreateSkillBindingAsync() as ObjectDetectorBinding;
}
/// <summary>
/// Initialize the ObjectDetector skill
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
private async Task InitializeObjectDetectorAsync(ISkillExecutionDevice device = null)
{
if (device != null)
{
m_skill = await m_descriptor.CreateSkillAsync(device) as ObjectDetectorSkill;
}
else
{
m_skill = await m_descriptor.CreateSkillAsync() as ObjectDetectorSkill;
}
m_binding = await m_skill.CreateSkillBindingAsync() as ObjectDetectorBinding;
}
/// <summary>
/// Initialize the ObjectDetector skill
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
private async Task InitializeObjectDetectorAsync(ISkillExecutionDevice device = null)
{
if (device != null)
{
m_skill = await m_descriptor.CreateSkillAsync(device) as ObjectDetectorSkill;
}
else
{
m_skill = await m_descriptor.CreateSkillAsync() as ObjectDetectorSkill;
}
m_binding = await m_skill.CreateSkillBindingAsync() as ObjectDetectorBinding;
m_inputImageFeatureDescriptor = m_binding["InputImage"].Descriptor as SkillFeatureImageDescriptor;
}
/// <summary>
/// Configure an IFrameSource from a StorageFile or MediaCapture instance to produce optionally a specified format of frame
/// </summary>
/// <param name="source"></param>
/// <param name="inputImageDescriptor"></param>
/// <returns></returns>
private async Task ConfigureFrameSourceAsync(object source, ISkillFeatureImageDescriptor inputImageDescriptor = null)
{
await m_lock.WaitAsync();
{
// Reset bitmap rendering component
UIProcessedPreview.Source = null;
m_renderTargetFrame = null;
m_processedBitmapSource = new SoftwareBitmapSource();
UIProcessedPreview.Source = m_processedBitmapSource;
// Clean up previous frame source
if (m_frameSource != null)
{
m_frameSource.FrameArrived -= FrameSource_FrameAvailable;
var disposableFrameSource = m_frameSource as IDisposable;
if (disposableFrameSource != null)
{
// Lock disposal based on frame source consumers
disposableFrameSource.Dispose();
}
}
// Create new frame source and register a callback if the source fails along the way
m_frameSource = await FrameSourceFactory.CreateFrameSourceAsync(
source,
(sender, message) =>
{
NotifyUser(message);
},
inputImageDescriptor);
// TODO: Workaround for a bug in ObjectDetectorBinding when binding consecutively VideoFrames with Direct3DSurface and SoftwareBitmap
m_binding = await m_skill.CreateSkillBindingAsync() as ObjectDetectorBinding;
}
m_lock.Release();
// If we obtained a valid frame source, start it
if (m_frameSource != null)
{
m_frameSource.FrameArrived += FrameSource_FrameAvailable;
await m_frameSource.StartAsync();
}
}
