ref: 1b2f92ee8e3a8bf1d3f5a39bfae92e8136ec370b 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