[FFmpeg-user] Fastest way to check integrity of video files

Molly Millions mollyrazormillions at gmail.com
Mon May 19 12:25:03 CEST 2014

Thanks for the replies so far!

I have a lot of videos in lossless mov. I convert these to mp4. So, after a
mov -> mp4 conversion is done, I'd like to check the output the fastest way
possible for errors. I need these, because the environment I'm working in
has some strange storage anomalies, which I'd like to nail down and also be
sure, that the result is correct and not plagued by errors.

On Sat, May 17, 2014 at 12:01 PM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Molly Millions <mollyrazormillions <at> gmail.com> writes:
> > I currently use this command in order to detect possible
> > errors in video files:
> Could you explain a little more?
> If your input file is a transport stream (read from
> dvb) then it will (practically) always start with
> "errors" (because partial and/or nonkey-frames are
> sent to the decoder) but that neither makes the
> decoding fail nor is there anything (that makes
> sense) possible for you to avoid the errors.
> Or do I misunderstand?
> > ffmpeg -i INPUT -f mp4 -benchmark -y null
> $ ffmpeg -i INPUT -f null -
> will be (at least) a magnitude faster but as said
> please explain your usecase.
> Carl Eugen
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