058f1e92b7
Adding "sizing-policy" property for user to be able to specify scaling policy (aspect-ratio for example). At the moment, supported mode is only keep-aspect-ratio, but we might be able to add more policies such as cropping, etc. Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/696 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1156>