On Thu, Jan 21, 2021 at 1:51 PM Mark Filipak (ffmpeg) <markfili...@bog.us> wrote:
> On 01/21/2021 07:31 AM, Paul B Mahol wrote: > > On Thu, Jan 21, 2021 at 12:51 PM Mark Filipak (ffmpeg) < > markfili...@bog.us> > > wrote: > > > >> On 01/20/2021 04:50 PM, Paul B Mahol wrote: > >>> On Wed, Jan 20, 2021 at 10:45 PM Mark Filipak (ffmpeg) < > >> markfili...@bog.us> > >>> wrote: > >>>> On 01/20/2021 06:17 AM, Paul B Mahol wrote: > >>>>> Motion compensation does not work that way. > >>>> > >>>> Thank you, Paul. Yes, I knew that. I'm not seeking motion > compensation. > >>>> Kindly reread my filter > >>>> features and suggest what comes closest. What I seek simply works on > >>>> pixels. I'm relying on your > >>>> experience (and perhaps the experiences of others here). > >>> > >>> Have you tried nnedi or estdif filters? Both are intra only > >> deinterlacers. > >> > >> Thank you for the guidance. I'm trying estdif first because it seems > >> simpler, but it doesn't do the > >> good thing. It does decomb very effectively, but it does it by aligning > >> (shifting) the edges in > >> field'2' to the edges in field'1' (which are not shifted). Aligning with > >> field'1' produces judder > >> (or in my case, doesn't eliminate judder). What I want it to do is align > >> both field'1' edges and > >> field'2' edges to the median (i.e. half way between the input's edges). > I > >> do realize that such a > >> method would introduce combing along the edges of the frame, but that's > >> okay. > >> > >> Here's the command I used to transcode 24FPS to 60FPS: > >> ffmpeg -i 24[1][2].mkv -map 0 -filter_complex "telecine=pattern=5, > >> split[1][2], > >> [1]select=not(eq(mod(n\,5)\,2))[3], [2]select=eq(mod(n\,5)\,2), > >> estdif=mode=frame[4], > >> [3][4]interleave" -codec:v libx265 -x265-params "crf=16:qcomp=0.60" > >> -codec:a copy -codec:s copy > >> 24[1][2]-to-60[1][1][estdif=mode=frame(1~2)][2][2].mkv > >> > >> I'll try nnedi. Perhaps I can figure it out. > >> > > > > Do not even try. > > Mentioned filters work only with interlaced frames, while your use case > is > > completely invalid and frowned upon. > > I deeply regret replying to this thread. > > I did get nnedi to work but with similar results to estdif. > > Kindly educate me: What do you mean by "interlaced frames"? Aren't all > frames that come out of the > decoder and into the filter chain interlaced? > > Why do you say that my use case is invalid? telecine=pattern=5 works very > well -- there's no judder > at all! And if, for the combed frame, I use pp=linblenddeint, it's even > better, far better than what > either the NVIDIA GPU or the TV does when fed a 24FPS source and of course > far, far better than > telecine=pattern=23. > > Please educate me. Why are my stunning results invalid? > Because you are trying to interpolate new frames using telecine filter. > > Regards, > Mark. > > >> Thanks again, > >> Mark. > >> > >>>> Regards, > >>>> Mark. > >>>> > >>>>> On Wed, Jan 20, 2021 at 2:45 AM Mark Filipak (ffmpeg) < > >>>> markfili...@bog.us> > >>>>> wrote: > >>>>> > >>>>>> Hello All, > >>>>>> > >>>>>> I seek a decomb filter that operates on H/2 number of line pairs: > >> lines > >>>> i > >>>>>> & i+1 (where i=0..H/2-1), > >>>>>> by aligning edges in the two lines at x = delta-x(edge)/2 (i.e. the > >>>>>> median). The ideal filter would > >>>>>> differentiate overall motion due to panning versus local motion due > to > >>>>>> local object motion. > >>>>>> > >>>>>> Pan-combing on the left & right edges is acceptable but it would be > a > >>>>>> great bonus if the filter > >>>>>> performed blend on those edges with the blending radius equal to > >>>> one-half > >>>>>> the pan-comb. > >>>>>> > >>>>>> Vertical, line-pair-to-line-pair processing is not needed or > desired. > >>>>>> > >>>>>> Frame-to-frame processing is not needed or desired. > >>>>>> > >>>>>> I have been trying a great number of filters based on their names > and > >>>> what > >>>>>> is in the documentation. > >>>>>> The best I've found so far is pp=linblenddeint but it obviously > >> doesn't > >>>>>> align edges via the edge > >>>>>> median and it obviously isn't aware of pan-combing versus > >>>>>> object-motion-combing. > >>>>>> > >>>>>> Any suggestions are very welcome. If I find this filter I will post > a > >>>> link > >>>>>> to a 60FPS telecined > >>>>>> video that will amaze everyone -- better than anything that Cuda can > >> do. > >>>>>> > >>>>>> -Mark. > _______________________________________________ > 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".