ref: 9a2dd7e67ed20a7389db618f1a8a25d5b3a3c89c 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