Below are a couple of examples of OzPlayer playing a video from several different sources. This also provides an example of multiple video players on a single page.
Your website or CDN
This video is being hosted on Amazon CloudFront.
This is the same video, having been uploaded to YouTube. Note that YouTube videos can’t have a pre-roll poster image displayed, and if there are “interactive” elements in the YouTube video — popup ads, for example — then the video will not be accessible.