ref: 8053dba5a1470a9ced7236f5b692b16f0d7b8a98 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