public async void SetEncodingProperties(VideoEncodingProperties encodingProperties, IDirect3DDevice device)
{
currentEncodingProperties = encodingProperties;
canvasDevice = device != null?CanvasDevice.CreateFromDirect3D11Device(device) : CanvasDevice.GetSharedDevice();
parser = new TinyYoloParser();
filteredBoxes = new List <BoundingBox>();
await LoadModelAsync();
frameProcessingTimer = ThreadPoolTimer.CreatePeriodicTimer(EvaluateVideoFrame, poolTimerInterval);
}
public void SetEncodingProperties(VideoEncodingProperties encodingProperties, IDirect3DDevice device)
{
currentEncodingProperties = encodingProperties;
canvasDevice = device != null?CanvasDevice.CreateFromDirect3D11Device(device) : CanvasDevice.GetSharedDevice();
parser = new TinyYoloParser();
filteredBoxes = new List <BoundingBox>();
if (model == null)
{
// Use the appropriate option
if (device == null)
{
// startup WinML using CPU
detectedDeviceKind = LearningModelDeviceKind.Cpu;
}
else
{
// Startup WinML using DirectX
// IF the frame rate is really high, we can probably expect a higher powered device
var frames = encodingProperties.FrameRate.Numerator;
var timeSpan = encodingProperties.FrameRate.Denominator;
var ratio = timeSpan / frames;
if (ratio > 0.04)
{
// Greater than 30 frames a second
detectedDeviceKind = LearningModelDeviceKind.DirectXHighPerformance;
}
else if (ratio > 0.01)
{
// If 30 frames a second or less, set expectations for WinML about what power is available
detectedDeviceKind = LearningModelDeviceKind.DirectX;
}
else
{
detectedDeviceKind = LearningModelDeviceKind.DirectXMinPower;
}
}
Debug.WriteLine($"Warning: LearningDeviceKind is set to {detectedDeviceKind}.");
frameProcessingTimer = ThreadPoolTimer.CreatePeriodicTimer(EvaluateVideoFrame, poolTimerInterval);
}
}
