[FFmpeg-user] Decimating video frames to shorten movie

[Jim Worrall]

> On 2016 Jul 5, at 2:52 PM, Rae, Philip John <prae at lanl.gov> wrote:
> 
> For some reason my installation balked at the lbx264 part of the command despite the lbx264 library being used successfully elsewhere.
> 
> ffmpeg -r 5timesoriginalspeed -i source.ext -c:v lbx264 -c:a copy -r originalspeed resultwith20%oforiginalframes.ext

If this is your actual command line, the problem may be that libx264 was typed incorrectly.