Function vaProtectedSessionExecute 

pub unsafe extern "C" fn vaProtectedSessionExecute(
    dpy: VADisplay,
    protected_session: VAProtectedSessionID,
    buf_id: VABufferID,
) -> VAStatus

\brief Execute provides a general mechanism for TEE client tasks execution.

vaProtectedSessionExecute provides a mechanism for TEE clients to execute specific tasks. The implementation may differ between IHVs. This is a synchronous API.

@param[in] dpy the VA display @param[in] protected_session the protected session @param[in,out] buf_id the VA buffer