private void EnqueueStandardHeadClip()
{
var isDuplicate =
queue.Count > 0 &&
!currentFrame.IsDifferentFrom(queue.Last);
//Don't add duplicates to frame history
if (isDuplicate)
{
return;
}
//Subclip head
subclippedHead.DrawFrame(currentFrame, 0, 0, 1, 0,
Space.HeadOffset.X, Space.HeadOffset.Y);
//Resize to standard into stdHeadClip
subclippedHead.ScaleHQ(Space.StandardWidth, Space.StandardHeight, stdHeadClip.Bitmap);
//We're computing T-1 frame's antenna positions
//T-2 frame should be the last frame part of the background
if (queue.Count >= FastMotionHistLength - 1)
{
//Because T has not been added yet, T-2 is still T-1
var forBackground = queue.GetNthBeforeLast(1);
//BG update takes a while, do it in parallel
backgroundUpdater = new Thread(() =>
{
//Add to background queue
background.Append(forBackground);
});
backgroundUpdater.Start();
}
//Enque into the buffer
//Remove oldest frame
if (queue.Count >= FastMotionHistLength)
{
queue.RemoveFirst();
}
//Add new one
queue.Enqueue(stdHeadClip);
}
