Replace all gstvaapiobject in vaapi encoders with standard gstobject. Let the gstobject common logic to handle all the init and finalize works. But the property install/set/get still use the old way, need to be improved later.
This reverts commit fd7d38f7d2.
fd7d38f7d2
They are only used inside the code, where another macro is defined. Thus these exported macros have no use.