Adding an Overlay 1
Adding an overlay to a video can be a great way to give an identity to such a file, for example, with a company logo.
However, don't forget that everything you're doing here will be "burned" into the video file. It might not be an appropriate way to display a message that must change often, such as an advertisement. In that case, a better solution would be to set your Silverlight
242 CHAPTER 13 Progressing with Videos application so that the advertisement is displayed on top of the media element in which the video is playing. A nice touch is also to resize the media element while the advertisement plays, so that it is not covered by the ad, which would reduce the user experience.
Overlays are well suited, on the other hand, when you want to mark the video with your print, either for branding, to add disclaimers, or for copyright purposes. Since the overlay is burned into the video file, it is not possible to remove it.
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