libs: change gstvaapiobject base class
The GstVaapiMiniObject is obsolete and need to replace it. Do not use GstVaapiObject as GstVaapiContext's base class, just use a simple way to implement it.
The GstVaapiMiniObject is obsolete and need to replace it. Do not use GstVaapiObject as GstVaapiContext's base class, just use a simple way to implement it.