ref: 2b24aa87d9ffd81988112cfc3c0fe84a99b4a7b2 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