Hi Brian, Cheers for the really quick response!
2017-04-07 22:51 GMT+02:00 Brian Matherly <c...@brianmatherly.com>: *snip* > On 4/7/2017 3:18 PM, David Noble wrote: >> It appears yadif is used, but not in frame doubling mode. >> > <snip> > > I understand exactly what you are trying to do. The short answer is the MLT > does not support frame-doubling deinterlacing. The expected behavior of your > command is that MLT will deinterlace two fields into one frame and then > double those resulting frames to achieve the requested frame rate. No matter > how hard you try, you will lose temporal information if you deinterlace in > MLT. > > I pursued this some time ago: > http://mlt-devel.narkive.com/xJ5RNWDu/yadif-doubler > The architecture of MLT makes this feature quite tricky. Understandable. Thanks for pointing this out :-) > After I grasped the difficulty of adding the feature to MLT, I decided > instead to add a step to my workflow to normalize all my files. Here are > some scripts which I use and you are welcome to use/modify: Thank you very much! > Also, I would mention that since I wrote those scripts, ffmpeg has added a > new deinterlacing filter that combines the strengths of the yadiff and > w3fdif filters: > http://ffmpeg.org/ffmpeg-filters.html#bwdif > I have had very good luck with the deinterlacing quality using the bwdif > filter. Excellent, I'll give this a look. I think I'll also try a bit harder to see whether I can get the avformat consumer to write to a named pipe. It seems that melt runs pretty nicely with native interlaced stuff, so if I can just get that out without an extra step of compression / storage, that would make me pretty happy. I'll let you know how I get on :-) Cheers, David. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel
