Le 08/06/2016 22:20, Paweł Goliński a écrit : > Hello all, > > As this is my first mail, I’ll do a short introduction. My name is Pawel > Golinski and I’m one of the > students involved in VLMC development as part of GSoC 2016. My current > objective is to implement > a libvlc producer and it requires a through understanding of MLT internals. > The documentation and framework > are great, but as these are my first steps, I’m having problems with the > simplest things… > > My current problem is that I would like somehow to control consumer’s width > and height from my producer. > I’ve noticed that this is somehow being done by the avformat producer, which > somehow tells sdl consumer > to resize its window to match the video size. My first guess was, that it > could be done through width and height > pointers passed to get_image() function of mlt_frame, but changing these > don’t cause sdl to resize itself - my > testing ground is color producer - I’m changing *width and *height to some > random values at the beginning of > the function, but this doesn’t cause sdl to resize itself. I’ve also searched > in some other places, but to no avail. > > So, is there a simple explanation of how avformat is doing its magic? To be > more exact, why calling > melt avformat:file causes sdl window to be the same size, as the video file > is pointing to?
Could it be melt autoprofile ? > I suppose it > cannot be through profile mechanism, as avformat pretty much uses profile > just to determine fps it has > to output (right?). Any hints? > > Best regards, > Paweł > ------------------------------------------------------------------------------ > What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic > patterns at an interface-level. Reveals which users, apps, and protocols are > consuming the most bandwidth. Provides multi-vendor support for NetFlow, > J-Flow, sFlow and other flows. Make informed decisions using capacity > planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e > _______________________________________________ > Mlt-devel mailing list > Mlt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mlt-devel -- Christophe Thommeret ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel
