screen estate layouts
The XML file /usr/local/freeswitch/conf/autoload_configs/conference_layouts.conf.xml contains the additional configuration where are specified the different ways to organize and populate the screen real estate during video conferences.
The moderator can change a video conference layout dynamically, during the conference, to adapt it to changing situations: during presentations you may want to have a little video stream of the presenter's face superimposed ("overlapped") to the screen she is sharing, so the effect is a little talking head as a picture-in-picture over the PowerPoint slides.
Layouts are defined by a name, the coordinates that divide the screen into areas, and the proportion the video stream will be scaled ...
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