[FFmpeg-user] Reduce CPU usage to match VLC

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Feb 10 16:46:35 CET 2014


Loadlinx <limiteddi <at> gmail.com> writes:

> /vlc -vvv http://192.168.1.50:6002 --sout 
> '#transcode{venc=x264{preset=ultrafast}
                               ^^^^^^^^^

> ./ffmpeg -i http://192.168.1.50:6002 <http://162.219.0.246:12709> 
> -vcodec libx264 -vb 1500k -s 480x320 -acodec libfdk_aac -ab 32k 
> -f flv rtmp://192.168.1.50:1935/live/709

(Complete, uncut console output missing.)

Aren't these two completely different things?
Or does libx264 nowadays default to ultrafast?

> Quality seems to me somewhat the same

somewhat: maybe
the same: most likely not

Carl Eugen



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