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We have a repository of video animations of varying codecs/resolutions/frame-rates/etc that are currently playing on rotation in VLC player as a corporate display. I've been asked to add a corporate banner or logo to this, so that the videos play underneath the banner or so that the logo is embedded prominently. VLC's facility to add a logo (Tools/Effects and Filters/Overlay tab) does this but sizes logo relative to the video, so the logo scales from tiny to dominating the screen for different videos.

I know there are ways to add logos to videos using for example FFmpeg, but I'm reluctant to process all these videos for that purpose (cost/benefit..) and as it'll reduce quality.

I'd be very grateful for advice on a way to add a banner/logo in a more seamless professional way to a playlist, perhaps using a layer-based approach where you can specify a banner frame above the video frame. Or alternatively is there a way to control Windows screen output in this way? Thanks in advance.

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Just to clarify: You're more interested in just overlaying a watermark in a(ny) video player over any video, and not actually embedding the overlay in the video files themselves? Are you playing these videos full screen all the time? – Ƭᴇcʜιᴇ007 Jan 28 '14 at 16:36
up vote 1 down vote accepted

Here is a tutorial to actually change the video.

Here is a program that overlays a watermark to Windows itself.

As about overlay an image through a media player, here is a question regarding it, but it appears to involve code and other stuff that i don't understand.

Good Luck

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Awesome thanks Nuno. Screen Watermark is exactly what I had in mind - very neat little app! – geotheory Jan 28 '14 at 16:52
Need one for OSX now! Any suggestions Nuno? – geotheory May 1 '14 at 15:11
I found this app that adds watermarks to videos, and if you change the opacity to 100%, you should get a overlayed logo; and I also found this blog post about adding watermarks on mac. Hope it helps. – Nuno Costa May 1 '14 at 21:31

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