[FFmpeg-user] hflip so slooooooooow

JD jd1008 at gmail.com
Fri Mar 3 03:39:16 EET 2017

Hi all, should horizontal flipping be as slow as this:
frame=27067 fps= 12 q=28.0 size=  143993kB time=00:18:06.27
bitrate=1085.9kbits/s dup=0 drop=35 speed=0.47x

the command was:
$ ~/bin/ffmpeg.d/ffmpeg -i video_mnt13.mp4  -vf "hflip" -y
ffmpeg version 3.2.4-static http://johnvansickle.com/ffmpeg/  Copyright (c)
2000-2017 the FFmpeg developers   built with gcc 5.4.1 (Debian 5.4.1-5)

how can I speed it up? (I thought that flipping should not need

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