File _servicedata of Package ffnvcodec

<servicedata>
<service name="tar_scm">
                <param name="url">https://git.videolan.org/git/ffmpeg/nv-codec-headers.git</param>
              <param name="changesrevision">451da99614412a7f9526ef301a5ee0c7a6f9ad76</param></service></servicedata>