With ColdFusion 10 we have revamped the CFMEDIAPLAYER tag to provide support for HTML5 Videos.
The CFMEDIAPLAYER tag is now bundled with device support , so you can build your video based applications and play them over iPADs and Android devices.
You can even enforce a particular type of playback on your browser using the newly added ' type' attribute and provide fallback using the HTML source tag .
Here is my blog post listing a few snippets that show the different ways in which we use CFMEDIPLAYER to support HTML5 videos,and a few tips and tricks! You can also download some sample videos from the link.