On 11/30/15, Brian Matherly <c...@brianmatherly.com> wrote: > I like to top post. Feel free to flame me :) > This is a developer's mailing list. As such, it is unlikely that anyone will > take the time to reverse engineer your ffmpeg command and re-write it as a > melt command. However, if you have saturated on the documentation and looked > at the examples, then feel free to bring some specific questions around. > In MLT, filters apply changes/effects to video frames and transitions > combine frames in various ways. You can see the available filters and > transitions > here:http://www.mltframework.org/bin/view/MLT/PluginsFiltershttp://www.mltframework.org/bin/view/MLT/PluginsTransitions > > The melt documentation is an important place to > start:http://www.mltframework.org/bin/view/MLT/MltMelt > > There are a host of really good examples > here:https://github.com/mltframework/mlt/tree/master/demoLook for examples > that use transitions to get a feel for how they work.
Yep the link appears to be extremely helpful. > > It can take a little trial and error to get used to the syntax. So dig in > and have fun! > ~Brian > > On 11/30/15, Brian Matherly <c...@brianmatherly.com> wrote: >> I think you want to look into MLT transitions. >> ~Brian > > Thanks, Brian. I checked > http://www.mltframework.org/bin/view/MLT/PluginsTransitions > > But I am not getting how to hook together different transitions and > filters together. An example like the ffmpeg's filter complex would be > helpful, I guess. > > wbr, > /z > > >> Hi, >> >> Is there an equivalent of ffmpeg's --filter-complex in melt? For >> instance, >> >> $ ffmpeg -f x11grab -video_size 1680x1050 -framerate 30 -i :0.0 \ >> -f v4l2 -video_size 320x240 -framerate 30 -i /dev/video0 \ >> -f alsa -ac 2 -i hw:0,0 -i logo.png -filter_complex \ >> "[0:v]scale=1024:-1,setpts=PTS-STARTPTS[bg]; \ >> [1:v]scale=120:-1,setpts=PTS-STARTPTS[fg]; \ >> [bg][fg]overlay=W-w-10:10[bg2]; \ >> [bg2][3:v]overlay=W-w-10:H-h-10,format=yuv420p[out]" \ >> -map "[out]" -map 2:a -vcodec libx264 -preset veryfast \ >> -maxrate 3000k -bufsize 4000k -acodec libmp3lame -ar 44100 -b:a 128k \ >> -f flv rtmp://live.justin.tv/app/<stream key> >> >> Appreciate any inputs! >> >> Cheers, >> /z > > ------------------------------------------------------------------------------ Go from Idea to Many App Stores Faster with Intel(R) XDK Give your users amazing mobile app experiences with Intel(R) XDK. Use one codebase in this all-in-one HTML5 development environment. Design, debug & build mobile apps & 2D/3D high-impact games for multiple OSs. http://pubads.g.doubleclick.net/gampad/clk?id=254741911&iu=/4140 _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel
