If it's to mp4, shouldn't the source path in the example URL be something other than mp4? Unless I'm misinterpreting what the path parameter is... I realize th

If it's to mp4, shouldn't the source path in the example URL be something other than mp4? Unless I'm misinterpreting what the path parameter is... I realize that the mp4 container can support a wide variety of codecs and you're probably transcoding to h264/mp4, but IMO it would help to use something else here (.wmv, .avi, etc) to drive home the use case.