Hi Stephen, You can easily do this using open source, lib like openCV.
Regards, Dhaval On Tue, May 18, 2010 at 12:25 AM, Stephen Hunt <[email protected]> wrote: > Hi Hendrik, > > Sounds like you have the solution already. Would you be interested in sharing > your code with me please? Or if not, perhaps some code snippets? Not a > problem if this is not possible for any reason, commercial or otherwise. > Would be grateful for any help you could provide. > > Best Regards, > > Stephen. > > > -------- Original-Nachricht -------- >> Datum: Mon, 17 May 2010 13:57:30 +0200 >> Von: "Hendrik Jürgens" <[email protected]> >> An: [email protected] >> Betreff: Re: [libav-user] How to determine "film cuts" in a video clip? > >> Am 17.05.2010 13:08, schrieb Stefano Sabatini: >> > On date Sunday 2010-05-16 22:22:00 +0200, Stephen Hunt encoded: >> >> Hi All, >> >> >> >> Thinking of using ffmpeg libraries to write a program that attempts >> >> to pinpoint editing cuts in a video clip. Would import this >> >> information into an editing program to enable easier study of how a >> >> film is edited. >> >> >> >> Anyone have any pointers on how to approach this please? My C >> >> language skills are quite rusty (wrote two programs, 10k lines each >> >> in Uni, early 1990s). But very keen to get something like this >> >> working. Also, has anyone perhaps done this already? >> > >> > It should be relatively easy to port some of the existing code which >> > already do this to a libavfilter filter. I don't have time for this >> > right now, but you may file a feature request on roundup *or* try to >> > add it to FFmpeg yourself, I'll be glad to help in reviewing the patch >> > for the latter case. >> > >> > Regards. >> >> I've implemented a such algorithm. It basically substracts the values of >> two images and "looks" whats left. >> If the two pictures were from the same scene, this final image should be >> near black. You have to do some testing to get a good threshold for this >> black image. This will also fail if you have a scene with fast movement >> (i.e. massive camera shake). But it worked with the mose videos I've >> tested so far. >> >> Best regards >> Hendrik >> _______________________________________________ >> libav-user mailing list >> [email protected] >> https://lists.mplayerhq.hu/mailman/listinfo/libav-user > > -- > GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! > Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
