On Tue, Dec 29, 2020 at 10:50 AM Mark Filipak (ffmpeg) <markfili...@bog.us> wrote:
> On 12/29/2020 04:39 AM, Paul B Mahol wrote: > > On Tue, Dec 29, 2020 at 10:32 AM Mark Filipak (ffmpeg) < > markfili...@bog.us> > > wrote: > > > >> On 12/29/2020 04:09 AM, Mark Filipak (ffmpeg) wrote: > >>> On 12/29/2020 04:04 AM, Paul B Mahol wrote: > >>>> On Tue, Dec 29, 2020 at 9:56 AM Mark Filipak (ffmpeg) < > >> markfili...@bog.us> > >>>> wrote: > >>>> > >>>>> On 12/29/2020 03:41 AM, Paul B Mahol wrote: > >>>>>> On Tue, Dec 29, 2020 at 5:51 AM Mark Filipak (ffmpeg) < > >>>>> markfili...@bog.us> > >>>>>> wrote: > >>>>>> > >>>>>>> I seek a way to do simple bob (i.e. repeat fields at 2xFPS) with no > >>>>> other > >>>>>>> filtering. Can you help me? > >> -snip- > >>>>>> After so much time you still struggle a lot, buy some GUI tools and > be > >>>>>> happy ever after. > >> > >> Here's what I've tried so far: > >> -filter_complex > >> "split[a][b],[a]separatefields[c],[b]separatefields[d],[c][d]join" > >> -filter_complex > >> "split[a][b],[a]separatefields[c],[b]separatefields[d],[c][d]interleave" > >> -vf "separatefields,shuffleframes=0 0,weave" > >> -vf separatefields,scale=720x480 > >> -vf separatefields,scale=w=iw:h=2*ih > >> -filter_complex "split[a][b],[a]separatefields[c],[c][b]scale2ref" > >> > > > > Do you want interlacer or deinterlacer? It is very unclear from your > > subject what you need. > > > > Simple bob deinterlacer takes every single field and than interpolates > > missing fields with bilinear interpolation iirc. > > I think that bob just separates fields (e.g. [720x480] -> > [720x240][720x240]), then line doubles > (e.g. [720x240][720x240] -> [720x480][720x480]). When it is played back, > horizontal lines in the > video appear to bob up and down (but at 60Hz, that's not very noticeable). > Try this filtergraph: separatefields,split[a][b],[a][b]vstack,il=l=i:c=i > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
