[FFmpeg-user] Increase video speed via framerate change?

Richard llom richard.llom at gmail.com
Wed Oct 30 13:20:53 CET 2013


Hello,
I have an video with 4 fps, I want to speed this up (time lapse), but also 
increase the framerate, so I thought:
ffmpeg -i input.ogv -r 12 output.webm

will do the trick, but no avail. Video is still the same length, how can I 
do this in ffmpeg?

TIA
richard



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