Comment: I don't think so.

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In reply to comment: can a frame be replaced with VLC? (see in situ)

I don't think so.

That type of editing requires the creation of a new file. Which to the current state of my knowledge is unfathomable when it come to VLC.

If you seek a program that can do what you ask... and then sum, try here.

http://webseasoning.com/technology/best-free-windows-video-e...

Cheers

~Good Night, And Good Luck~