Elastic Transcoder is hilariously expensive. And in traditional Amazon fashion, is just a roundabout way to call ffmpeg. You would almost certainly be better of

Elastic Transcoder is hilariously expensive. And in traditional Amazon fashion, is just a roundabout way to call ffmpeg. You would almost certainly be better off bundling ffmpeg into a Lambda function, and you would almost certainly be best off with an EC2 instance, two S3 buckets for the input/output, and an SQS work queue. Check out https://github.com/binoculars/aws-lambda-ffmpeg https://github.com/binoculars/aws-lambda-ffmpeg.