[fix] fix rtcp common header

src/channel/data_channel_receive.h

@@ -21,8 +21,29 @@ class DataChannelReceive {
  public:
   void Initialize(rtp::PAYLOAD_TYPE payload_type);
   void Destroy();
+
+  uint32_t GetSsrc() {
+    if (rtp_data_receiver_) {
+      return rtp_data_receiver_->GetSsrc();
+    }
+    return 0;
+  }
+
+  uint32_t GetRemoteSsrc() {
+    if (rtp_data_receiver_) {
+      return rtp_data_receiver_->GetRemoteSsrc();
+    }
+    return 0;
+  }
+
   int OnReceiveRtpPacket(const char *data, size_t size);
 
+  void OnSenderReport(int64_t now_time, uint64_t ntp_time) {
+    if (rtp_data_receiver_) {
+      rtp_data_receiver_->OnSenderReport(now_time, ntp_time);
+    }
+  }
+
  private:
   std::shared_ptr<IceAgent> ice_agent_ = nullptr;
   std::shared_ptr<IOStatistics> ice_io_statistics_ = nullptr;