On 7/17/20, Steinar H. Gunderson <steinar+ffm...@gunderson.no> wrote: > On Sun, Jul 12, 2020 at 01:01:07PM +0200, Paul B Mahol wrote: >> +@section rblur >> +Apply Radial blur filter. > > I tried this; it looks very aliased and absolutely not like what I'd expect > from a > radial blur at all. > > $ wget > https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/PM5644.svg/1000px-PM5644.svg.png > $ ./ffmpeg -i 1000px-PM5644.svg.png -vf rblur ffmpeg-radialblur.png > > produces > > https://storage.sesse.net/ffmpeg-radialblur.png > > This is what the GIMP's “Zoom Blur” gives me on the same picture, and what I > expect a radial blur to look like: > > https://storage.sesse.net/gimp-radialblur.png > > The circular blur looks like the right effect, but it's again very aliased > and has some sort of accuracy problem: > > http://storage.sesse.net/ffmpeg-circularblur.png > > Look at the vertical lines in the left part of the picture; they have some > weird kind of staircase effect. >
You are deeply confused, filters are working just fine. > /* Stienar */ > -- > Homepage: https://www.sesse.net/ > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
