How can I validate a video file from a script?

Question

I have a server with lots of video files. After a restore, I noticed that the checksum of a couple of files changed. Since I don\'t have checksums for all files, I wanted write

Answer 1

As mplayer has options to convert from one video format to another that might be good enough for such a test assuming mencoder returns an error if it can not decode the input file (I have not tested that). This would work similar to the image test you mentioned (convert image.jpg /tmp/test.png)