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ffmpeg CPU 100%

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James Zeng
ffmpeg CPU 100%
on Jul 18, 2012 at 8:23:39 am

Hi, FFMPEG, as some may know, uses almost 100% of the CPU. What I am wondering is that if there is a way to stop it's resource hogging or set it at a lower priority. Maybe something to do with using a slow preset??


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stephen dixon
Re: ffmpeg CPU 100%
on Jul 18, 2012 at 12:05:03 pm

you can use nice if you're on linux/os x eg:
nice 20 ffmpeg...

This will give it a lower priority (the higher the number the lower priority the process is), but of course if there is nothing else using the CPU it will still take 100% of the available cpu time.

Nice can also be used for evil of course, you can set it to 0 to take high priority, or if you have super user rights set it to -20 to be really un-nice.

Windows users can use the start command
start [/LOW | /NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL] ffmpeg...

Stephen Dixon
Editor, Animator, Motionographer
Museum Victoria


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