Default size and position settings for videos.
Can be overridden as necessary.
Child of: <settings>
Parent of: <x>,
<y>, <height>, <width>,
<bar>, <slider>, <popup>
Example:
<video_defaults>
<x>0</x>
<y>50</y>
<height>35</height>
<width>50</width>
<bar>
…
</bar>
<slider>
…
</slider>
<popup>
…
</popup>
</video_defaults>