[FFmpeg-user] About ffmpeg transcode time

David Favor david at davidfavor.com
Thu Jul 3 02:01:37 CEST 2014

miles chan wrote:
> hi all,
> I wonder if there is a way to forecast the time is gonna cost in
> transcoding with the options that you going to use,i don't need to be very
> precisely,roughly is enough.

I do this on regular movie files by offsetting into the file
3 minutes + transcode 1 minute of video.

The 3 minute offset skips over the intro which tends to be filled
with completely empty frames + animations which transcode fast + if
you're using -vf mpdecimate, transcode at light speed.

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