* use CameraViewWidget
* no timer, updateFrame after frameSwapped
* use QOpenGLShaderProgram
* merge master
* remove that
* new function setStreamType
* continue
* remove showEvent
* cleanup
* cleanup
* little more
* fix black screen on startup
Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
old-commit-hash: a034926264cd1025c69d6ceb3fe444965f960b75