Watermarking Flash Videos (server-side)

Posted by Roberto Aloi on Stack Overflow See other posts from Stack Overflow or by Roberto Aloi
Published on 2010-04-30T10:21:30Z Indexed on 2010/04/30 10:27 UTC
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Hi all,

I have a bunch of flash videos that I need to watermark with user related information, to make illegal re-distribution of these files harder.

I'm wondering how can this be done server-side. If done client-side, it will be quite easy for the user to intercept the videos before they are watermarked.

Since the watermark should contain user-specific information I can't really watermark the videos before encoding them (unless I have an encoded video per user - not feasible).

I'm expecting this to affect the streaming performances a lot, though.

Any idea how this can be done (possibly in an efficient way)?

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