[feat] update sr and rr implementation

src/rtcp/rtcp_packet/sender_report.h

@@ -0,0 +1,71 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-02-17
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SENDER_REPORT_H_
+#define _SENDER_REPORT_H_
+
+#include <vector>
+
+#include "api/ntp/ntp_time.h"
+#include "report_block.h"
+#include "rtcp_packet.h"
+
+class CommonHeader;
+
+class SenderReport : public RtcpPacket {
+ public:
+  static constexpr uint8_t kPacketType = 200;
+  static constexpr size_t kMaxNumberOfReportBlocks = 0x1f;
+
+  SenderReport();
+  SenderReport(const SenderReport&);
+  SenderReport(SenderReport&&);
+  SenderReport& operator=(const SenderReport&);
+  SenderReport& operator=(SenderReport&&);
+  ~SenderReport() override;
+
+  // Parse assumes header is already parsed and validated.
+  bool Parse(const CommonHeader& packet);
+
+  void SetNtp(webrtc::NtpTime ntp) { ntp_ = ntp; }
+  void SetRtpTimestamp(uint32_t rtp_timestamp) {
+    rtp_timestamp_ = rtp_timestamp;
+  }
+  void SetPacketCount(uint32_t packet_count) {
+    sender_packet_count_ = packet_count;
+  }
+  void SetOctetCount(uint32_t octet_count) {
+    sender_octet_count_ = octet_count;
+  }
+  bool AddReportBlock(const ReportBlock& block);
+  bool SetReportBlocks(std::vector<ReportBlock> blocks);
+  void ClearReportBlocks() { report_blocks_.clear(); }
+
+  webrtc::NtpTime ntp() const { return ntp_; }
+  uint32_t rtp_timestamp() const { return rtp_timestamp_; }
+  uint32_t sender_packet_count() const { return sender_packet_count_; }
+  uint32_t sender_octet_count() const { return sender_octet_count_; }
+
+  const std::vector<ReportBlock>& report_blocks() const {
+    return report_blocks_;
+  }
+
+  size_t BlockLength() const override;
+
+  bool Create(uint8_t* packet, size_t* index, size_t max_length,
+              PacketReadyCallback callback) const override;
+
+ private:
+  static constexpr size_t kSenderBaseLength = 24;
+
+  webrtc::NtpTime ntp_;
+  uint32_t rtp_timestamp_;
+  uint32_t sender_packet_count_;
+  uint32_t sender_octet_count_;
+  std::vector<ReportBlock> report_blocks_;
+};
+
+#endif