Brice Vercoustre said : > Hi all, > > I'm currently searching for a server side solution that would be able to > handle picture-in-picture processing (insert a video thumbnail into another > video). > > The purpose of that is to generate educational videos of university courses > with a mix of both the teacher's screencast (main video) and it's face > (thumbnail video). > > I'm looking for a command line app that would let me create such a video. The > melt app really seems to do that, but I'm not sure I understood the mechanism > well. With my terminal, I've been able to launch melt to do some editing on a > video such as: > > melt a.dv -filter greyscale in=0 out=50 > > Melt is launched at the 0 frame, I can go from frame to frame... Here is the > result: > > +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ > |1=-10| |2= -5| |3= -2| |4= -1| |5= 0| |6= 1| |7= 2| |8= 5| |9= 10| > +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ +-----+ > +---------------------------------------------------------------------+ > | H = back 1 minute, L = forward 1 minute | > | h = previous frame, l = next frame | > | g = start of clip, j = next clip, k = previous clip | > | 0 = restart, q = quit, space = play | > +---------------------------------------------------------------------+ > Current Position: 0 > > > But I really do not get how I can export the result into a new video. I did > not understood the -consumer logic, and how can I exploit it to save the > result into a new video.
for example this: melt a.dv -filter greyscale -consumer libdv:testme.dv melt a.dv -filter greyscale -consumer avformat:testme.avi hth rob > > If I understand that part well, I'm sure I'll find how to make some > picture-in-picture processing. > > Thank you for helping me on this! > > Best Regards, > Brice Vercoustre. > > > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Mlt-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/mlt-devel > -------------- [email protected] rob.goto10.org -------------- ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Mlt-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mlt-devel
