private static InteropFace.DetectedCallback GetCallback(TaskCompletionSource <Rectangle[]> tcs)
{
return((IntPtr sourceHandle, IntPtr engineConfig, global::Interop.MediaVision.Rectangle[] facesLocations,
int numberOfFaces, IntPtr _) =>
{
try
{
Log.Info(MediaVisionLog.Tag, $"Faces detected, count : {numberOfFaces}.");
Rectangle[] locations = new Rectangle[numberOfFaces];
for (int i = 0; i < numberOfFaces; i++)
{
locations[i] = facesLocations[i].ToApiStruct();
Log.Info(MediaVisionLog.Tag, $"Face {0} detected : {locations}.");
}
if (!tcs.TrySetResult(locations))
{
Log.Error(MediaVisionLog.Tag, "Failed to set face detection result.");
}
}
catch (Exception e)
{
MultimediaLog.Info(MediaVisionLog.Tag, "Failed to handle face detection.", e);
tcs.TrySetException(e);
}
});
}
