Add an example of using compositor and the samples-selected signal to do frame-by-frame animation by updating pad properties and the pad's GstVideoConverter configuration Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5187>
Dependencies
Some of the examples require external python dependencies, for this purpose an illustrative requirements.txt is provided, with annotations documenting which example requires a dependency.
You can install all the dependencies with:
python3 -m pip install -r requirements.txt --user