On 4/14/20, Mark Filipak <[email protected]> wrote: > On 04/14/2020 05:26 AM, Paul B Mahol wrote: >> On 4/14/20, Mark Filipak <[email protected]> wrote: >>> On 04/14/2020 04:23 AM, Paul B Mahol wrote: >>>> On 4/14/20, Mark Filipak <[email protected]> wrote: >>>>> How do I combine two combed half-pictures so that the resulting picture >>>>> is screened? >>>>> >>>>> Combed input frame: >>>>> 11111... >>>>> 22222... >>>>> >>>>> Desired output frame: >>>>> 12121... >>>>> 21212... >>>>> >>>>> It occurs to me that I need to unweave the half-pictures, line-double >>>>> both, screen both via pixel-sized screens that are offset by 1 pix, >>>>> then reweave them. >>>> >>>> Look at weave, doubleweave, separatefields and so on.... >>> >>> Thanks. I'll run them through my tester. >>> >>>>> I've not found a line-doubling filter and I've not found a screen >>>>> method >>>>> that actually works. >>> >>> Actually, after I posted, I thought of bob. I think bob line doubles. >> >> I think you can double lines with separatefields,scale combination. >> You just need to set right size args to scale filter and use nearest >> neigbour interpolation >> for doubling lines. >> >> I still think that what you do is wrong thing to do. > > To which do you refer? 5-5-5-5 telecine (which is the overall architecture) > or screening combed > frames (which is the final step)? Actually, what I already have running is > better than what MPV > and/or my TV produces; better than p24->p60 and better than 4-6-4-6 telecine > (and much better than > 2-3-2-3 telecine frame doubled to 60fps of course). > >> Why? mpv player already have various interpolation algorithms for >> X->60 progressive upsampling. > > What about people who don't use MPV? What about PowerDVD? > >> Note that they are not motion ones, as that one is very fragile and slow. > > What do you have in mind, Paul? I don't care about slow. I have a very > large, very fast system and > can mount many vdisks that I can run overnight while I sleep. However, I'm > not too keen on "fragile" > but maybe I can noodle out a solution to fragile when I see it. After all, > I'll have you to help me. :-)
https://github.com/mpv-player/mpv/wiki/Interpolation > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
