[FFmpeg-user] Video files splitting and merging issue

Carl Eugen Hoyos cehoyos at ag.or.at
Wed May 23 22:49:50 CEST 2012

Jim Shupert <jshupert <at> pps-inc.com> writes:

> Basically  of
> ffmpeg -ss Num -t Num -i <file>
> or
> ffmpeg  -i <file> -ss Num -t Num
> is one superior in performance than the other?

ffmpeg -ss n -i file seeks to n (if this is supported) 
which usually works without any delay
ffmpeg -i file -ss n decoder the first n seconds which 
can take considerable time.

Carl Eugen

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