[fix] fix receiver report building and parsing

src/channel/rtp_channel/rtp_video_sender.cpp

@@ -173,4 +173,16 @@ bool RtpVideoSender::Process() {
   }
 
   return true;
+}
+
+void RtpVideoSender::OnReceiverReport(const ReceiverReport& receiver_report) {
+  std::vector<RtcpReportBlock> reports = receiver_report.GetReportBlocks();
+
+  for (auto r : reports) {
+    LOG_WARN(
+        "r_ssrc [{}], f_lost [{}], c_lost [{}], h_seq [{}], jitter [{}], "
+        "lsr [{}], dlsr [{}] ",
+        r.SourceSsrc(), r.FractionLost() / 255.0, r.CumulativeLost(),
+        r.ExtendedHighSeqNum(), r.Jitter(), r.LastSr(), r.DelaySinceLastSr());
+  }
 }