ref: 8aa4ee1f100efc6caf811a4e8c95b4c7aa5b6718 dir: /vpx/exports_spatial_svc/
text vpx_svc_dump_statistics text vpx_svc_encode text vpx_svc_get_message text vpx_svc_init text vpx_svc_release text vpx_svc_set_options