GNOME Bugzilla – Bug 712714
Properly document how videomixing works
Last modified: 2018-11-03 12:51:59 UTC
I am trying to display one video frame ontop (spatially) of a second video frame. The behavior of the smart-mixer is interfering with this, because it is resizing the video frame whenever a timeline commit occurs. It would be nice to be able to fix the size of the output canvas in which video frames are drawn on. This would be useful for compositing from multiple video sources.
You can set the restriction caps on the track so that the size of the frames is set. Then you can also set the size and position of each source using: ges_track_element_set_child_properties(element, "height", someheight, "width" somewidth, "posx", the_x_position_for_videomixer, "posy", the_y_position_for_videomixer, NULL); Renaming the bug so that it becomes about documenting that feature.
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