Learn how to provide seamless quality switching in this guide - Setting Up Video Quality Switching
The above player plays mobile (480×272), standard (640×360) and high resolution (940×544) MP4 and WebM videos (for best browser compatibility).
Following player uses quality switching for video hosted on S3 and CloudFront with signed URL (hotlinking protection):
Missing quality file
The mobile quality for the following player is missing, however switching to it won’t break the playback: