Thanks for sharing David. Sorry I have not had time to work on this more.
On 8/11/07, David McNab <[EMAIL PROTECTED]> wrote: > Hi, > > Following up on an earlier post (I've been searching for something which > can lift the framerate of my video, and interpolate the motion between > frames). > > After several days on and off searching and trying stuff, I've found > something that seems to work. > > http://jcornet.free.fr/linux/yuvmotionfps.html > > It's called yuvmotionfps, and can perform arbitrary framerate > conversion. The added frames are not just pixel interpolations, as with > the Cin 'interpolate frames' plugin. Instead, this program actually > detects motion, and comes up with some really good interpolation. Could > even be used for some slowmo. > > Downsides: > > - input files have to be progressive yuv - which can be hundreds of > megs per minute of video - so make sure you've got lots of free space > on your hdd > > - if you set the search radius too low, more rapid motion can be blurry > > - if the input video has too much radical motion, yuvmotionfps can go > off the rails and generate useless spastic video full of jerks and > shudders > > Usage Example - what I've done with my own video > > - load up some raw video into Cin - in my case, a file orig.avi > which is mjpeg, 640x480, 13.1fps > > - make sure Cin's framerate matches this raw video > > - trim off the rubbish from beginning and end > > - render out to a file - I've used a quicktime vid, mjpeg, highest > quality > > - convert this rendered video to yuv: > > ffmpeg -i orig.mov -f yuv4mpegpipe -b 5000 -vcodec pgmyuv orig.yuv > > - run yuvmotionfps to upgrade the frame rate, with interpolation: > > yuvmotionfps -r 25:1 < orig.yuv > orig-25.yuv > > - reduce this massive file in size, by converting to a .mov with > high-quality mpeg4 compression: > > ffmpeg -i orig-25.yuv -f mov -vcodec mpeg4 -b 5000 orig-25.mov > > - delete the bloated intermediate files: > > rm orig-25.yuv orig.yuv > > - set cin's framerate to the framerate of the converted video, 25fps > in this case > > - load up orig-25.mov into Cin, and edit as normal > > Hope this helps others as much as it's helping me. > > Cheers > David > > > > _______________________________________________ > Cinelerra mailing list > Cinelerra@skolelinux.no > https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra > -- Thanks, Aaron Newcomb http://www.thesourceshow.org http://www.opennewsshow.org _______________________________________________ Cinelerra mailing list Cinelerra@skolelinux.no https://init.linpro.no/mailman/skolelinux.no/listinfo/cinelerra
