Not to disagree with David, but to use melt in this fashion:
- use the composite transition to do picture-in-picture
- mock up each layout with inputs as a separate melt command line, and save
the result as MLT XML using -consumer xml:<name>.mlt
(the above does not save the consumer, which is good and fine)
- do not use "-join"; that is not used to make playlist entries; it
combines playlist entries
- make a playlist of each XML along with your consumer like: melt -profile
hdv_720_25p one.mlt two.mlt three.mlt four.mlt -consumer ...
On Sun, May 7, 2017 at 2:13 PM David Noble <davidwno...@gmail.com> wrote:
> Hi,
>
> 2017-05-07 15:00 GMT+02:00 <mudru...@spoje.net>:
> > Hello,
>
> * some lines omitted *
> > But what i really need is to somehow combine the two.
> >
> > 1.) overlay picture in picture having screen capture shown in corner of
> > camera view.
> > 2.) having way to manualy select video source online while streaming
> > (while using audio from RTSP camera all the time)
> > 3.) idealy combination of these two (switching between camera, screen,
> > screen over camera and camera over screen).
>
> Not entirely sure MLT is what you want to be using for vision mixing
> in realtime. There are some very interesting other bits of software
> that might do what you want:
>
> https://nageru.sesse.net/ <-- very flexible, can handle many sources,
> and at full framerate. Uses hardware acceleration.
>
> https://github.com/voc/voctomix <-- Also flexible, but gstreamer
> based, does not have as nice hardware acceleration features as Nageru.
>
> http://dvswitch.alioth.debian.org/wiki/ <-- Oldschool. Wouldn't really
> reccomend using it for starting any new projects.
>
> Cheers,
>
> David.
>
>
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