https://obs.camera + https://github.com/wtsnz/obs-ios-camera-source
- https://github.com/jp9000/OBS/wiki/Plugin-Tutorial-%5C-Building-Your-First-First-Plugin
- https://github.com/jp9000/OBS/wiki/Plugin-Tutorial-%5C-Setting-Up-Your-Environment
- https://github.com/obsproject/obs-studio/wiki/Getting-Started-with-OBS-Studio-Development
- https://obsproject.com/forum/threads/how-to-create-obs-studio-plugins.53470/
- https://www.youtube.com/watch?v=ZMJpKGmxdB0