Allow the user to really disable opencv through meson (i.e. -Dopencv=disabled). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1533>
Allow the user to really disable opencv through meson (i.e. -Dopencv=disabled). Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1533>