ffmpeg -i ... -vcodec libx264 -crf 23 -preset <profile> ...avi
size encoding
preset time [sec]
343112796 ultrafast 32
203951436 superfast 40
144580586 veryfast 57
151997548 faster 82
154328836 fast 115
153417634 medium 140
153318596 slow 245
150477566 slower 408
141542408 veryslow 785
this looks all very logical - spend more time, get better compression
at same quality.
But how do i explain the result for preset veryfast ?
Thanks
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