[FFmpeg-user] About ffmpeg transcode time

[Francois Visagie]

> -----Original Message-----
> From: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-
> bounces at ffmpeg.org] On Behalf Of miles chan
> Sent: 26 June 2014 04:13
> To: FFmpeg user questions
> Subject: [FFmpeg-user] About ffmpeg transcode time
> 
> 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.

You could do a short test encode of the first x frames and use the printed
Duration and fps values to calculate a very rough estimate.