Draft: WIP full Opengl projection modes & 180
- Provides fmt support for full spatial media parameters
- Adapts opengl Spherical mesh to viewable area.
https://streams.videolan.org/samples/360VR/180.mp4
Examples with 180 (0.5 cropped left/right)
and with additional 20% removed from top/bottom
- Maps MP4 data
- Maps MKV data
refs #21587
Edited by François Cartegnie