HTML5 video playback and Live streaming are supported on the following browsers:
1. Windows 8
- 
Internet Explorer 10
 - 
Firefox 6+
 - 
Google Chrome 6+
 - 
Opera 10.5+
 
2. Windows 7 64 and 32 Bit
- 
Internet Explorer 8+
 - 
Firefox 6+
 - 
Google Chrome 6+
 - 
Opera 10.5+
 
3. MiniMac OS X 10.4+
- Firefox 6+
 - Google Chrome 15+
 - Safari 5+
 
4. iPad
- Mobile Safari 6+
 
5. iPhone4+
- Mobile Safari 6+
 
6. Android
- Firefox 6+
 - Google Chrome 6+
 - Opera mini 7+
 
Note: HTML5 video player is not supported on versions prior to iPhone 4.
We are continually testing HTML5 on different browsers and mobile devices and updates can always be done.
Important: Videos encoded at a resolution higher than 720p are not available on iPhone 4 as it is described by Apple. Please make sure that you will check the device specs before playing the video.
Apple source: http://www.apple.com/iphone/iphone-4/specs.html – Video formats supported: H.264 video up to 720p.

