On 9/5/19, Mark Filipak <markfilipak.windows+ffm...@gmail.com> wrote: > On 09/04/2019 03:09 AM, Kieran Kunhya wrote: >> On Wed, 4 Sep 2019, 07:34 Kieran O Leary, <kieran.o.le...@gmail.com> >> wrote: >> >>> Hi, >>> >>> On Wed, 4 Sep 2019, 04:09 Mark Filipak, < >>> markfilipak.windows+ffm...@gmail.com> wrote: >>> >>>> No one has responded. What does that indicate? Lack of interest? Lack of >>>> knowledge? Lack of time? Shunning of anyone who's not a current >>> developer? >>>> >>> >>> You didn't wait very long for a reply, also you wrote to the development >>> list which is purely for posting patches/new code. You should write to >>> ffmpeg-user instead. >>> >> >> It would help if you also explained the notation you are using. > > It is a notation I cooked up to uniquely describe all the myriad types > of streams. Feel free to poach it. > > [...] - an output field (note: no '/') > [.../...] - an output frame (note: '/') > [A] - a field that contains the odd lines from a source frame 'A'. > [a] - a field that contains the even lines from a source frame 'A'. > [A/a] - a frame that contains interleaved lines from fields [A] & [a]. > > i30-telecast = > [A][a][B][b][C][c][D][d][E][e] > // 10 discrete fields as they come from an NTSC camera. It represents > 1/6th second of stream. > > p24 = > [A/a][B/b][C/c][D/d] > // 4 frames (1/6th second) as they are sampled from film. > > i30-telecine = > [A][a][B][b][B][c][C][d][D][d] > // 10 fields (1/6th second) of telecined film frames (2-3 pull-down). > > p30-telecine = > [A/a][B/b][B/c][C/d][D/d] > // 5 frames (progressive) of telecined film frames. > > p30-telecine-blend > [A/a][AB/b][BC/bc][C/cd][D/d] > // 5 frames (progressive) of telecined film frames that have been > blended as follows: > > [A/a] - the untouched frame0 of the film. > [AB/b] - a synthesized frame that takes the even lines from film [b] but > takes the odd lines from film [A] & film [B] by interleaving samples: > ABABAB... > [BC/bc] - a synthesized frame that interleaves even lines from bcbcbc... > and odd lines from BCBCBC... > [C/cd] - well, you probably catch on by now... > > My question is: Can ffmpeg do p30-telecine-blend? and if so, what lib > has it and how do I invoke it? I have looked at 'fieldhint', but it > can't interleave samples (aka: pixels). It solely can assemble an output > frame from input fields. >
Dunno why you need blended telecine. But normal telecine is available via telecine filter in libavfilter. _______________________________________________ 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".
