ref: 77f5c3d2e8416ca4af81eadbf9a2a0d59e463eaa 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