Transcoding video is a pain. We know that about as well as anyone. Amazon feels that pain, and thankfully, it's got the servers to back it up. Ahead of today's earnings release, the retail giant is announcing the release of Elastic Transcoder, a service aimed at helping users convert their videos into different formats, with a number of presets available for mobile devices, web browsers and the like. Customers can also go ahead with their own presets, if they're so inclined, adjusting things like file size and bitrate. Elastic Transcoder makes it possible to process multiple videos and prior