ref: 5c0f5cdda8b2700d05dcf4b3b9df0b6cd637e89c 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