How to draw overlay bitmap on webcam preview without VMR9?

I'm working on a project which need to draw lines and rectangles on
webcam preview, I planned to use DirectShow and VMR9 to implement
this, but due to a problem of cost, we can't use a graphic card
supporting DirectX 9.0c.

Please help me figure out if there were some other method to draw
overlay on webcam preview window, thanks.
.

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