Show HN: Straight-to-video, for client-side video remuxing/transcoding

Needed this to support automatically syndicating Instagram stories for my forthcoming POSSE Party app without breaking the bank on Heroku to remux & transcode videos server-side. Was really surprised how far the WebCodecs API has come, especially in the 26 series of Apple OS releases of WebKit.

Hardware-accelerated encodes => small files => fast uploads.