Change logic of test switching.
Add configuratio class to centralize settings.
Add source controller class.
Add method to retrieve appsink from source pipeline.
Add SourceController into streamstudio.
Remove obsolete code.
Add more docstrings.
Add missing imports.
Make the menu functional.
Add signal.
Convert the appsink to a format usable from appsrc.
Add pipeline class to handle remote resources.
Add missing signals.
Add missing import.
Add class to show still image as source.