[FFmpeg-user] Zeranoe Windows builds spiking CPU to 100% randomly

Andy Sheen sheen.andy at googlemail.com
Wed Jul 11 21:12:25 CEST 2012

Jan Ehrhardt wrote on Wed 11 Jul at 18:35 UK time
> Andy Sheen in gmane.comp.video.ffmpeg.user (Wed, 11 Jul 2012 17:11:03
> +0100):
>> I have just recompiled the git HEAD from yesterday with w32threads
>> instead of pthreads. For my configuration, that meant having to
>> recompile libx264 with w32threads, but that was the only additional change.
> BTW: my experience was that the 0.11.1 release was quicker than the git
> HEAD. You might give it a shot:
> http://ffmpeg.org/releases/ffmpeg-0.11.1.tar.bz2


ffmpeg -y -loglevel info -i 7416_20120706232700.mpg -r 25 -ss 0:0:0 -t
0:10:00 -map 0:0 -pass 1 -vcodec libx264 -b 1200k -threads 8 -f mp4 -an nul

3 times and averaging gives

head   (version N-42432-gb27c7d7)  382fps
0.11.1  (ffmpeg version 0.11.1)    379fps

The configure options were identical.

> Jan


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