Previously, we only added it when actually performing synchronization based on the NTP time. The information can be useful downstream in other situations too, and we can compute a NTP time as soon as we get a sender report with the relevant information. Co-authored-by: Mathieu Duponchelle <mathieu@centricular.com> Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2252>