Archived from the Transloadit support forum. Originally posted on April 17, 2013; details may be outdated, see our docs for current behavior. Original thread
I’m not sure how the file was created to be honest. Just received the original .mov from the client who in turn was given it by their (former) video production guys. I suspect we’ll probably be unable to get that information.
I recently ran a successful assembly of a different .mov file from the same production guys so I don’t know what they did differently in each case.
I did some more research, the video stream, which is in ProRes format, is something we also cannot support. Our ffmpeg stack covers a lot, but there are some proprietary codecs that we just cannot handle.