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If you are contributing video material because you want it to be discoverable via the Europeana website then you need to provide at least a link to the video file or a website on which the video file can be accessed. It is recommended to provide both, the direct link to the video file and the link to the website on which the video file can be accessed in its full information context (edm:isShownAt). It is also recommended (not required) to also provide a link to a still image file to have the means to create preview images to illustrate search results on the Europeana website. Usually, this is a representative still from the video or, for example, a film poster.
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