ref: 2346a6da4a3703eb2cb346f3b4a8e6d8a25c70f6 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