ref: 6fc2e57c2ca6c9a7b1eecb2c7d93b65222b6727d 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