[feat] use the io statistics module to collect network information

src/rtp/rtp_packet/rtp_codec.h

@@ -0,0 +1,60 @@
+#ifndef _RTP_CODEC_H_
+#define _RTP_CODEC_H_
+
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+#include "fec_encoder.h"
+#include "rtp_packet.h"
+
+class RtpCodec {
+ public:
+  enum VideoFrameType {
+    kEmptyFrame = 0,
+    kVideoFrameKey = 3,
+    kVideoFrameDelta = 4,
+  };
+
+ public:
+  RtpCodec(RtpPacket::PAYLOAD_TYPE payload_type);
+  ~RtpCodec();
+
+ public:
+  void Encode(uint8_t* buffer, uint32_t size, std::vector<RtpPacket>& packets);
+  void Encode(VideoFrameType frame_type, uint8_t* buffer, uint32_t size,
+              std::vector<RtpPacket>& packets);
+  size_t Decode(RtpPacket& packet, uint8_t* payload);
+
+  //  protected:
+  //   void OnReceiveFrame(uint8_t* payload) = 0;
+ private:
+  bool IsKeyFrame(const uint8_t* buffer, uint32_t size);
+
+  void EncodeAv1(uint8_t* buffer, uint32_t size,
+                 std::vector<RtpPacket>& packets);
+
+ private:
+  uint8_t version_ = 0;
+  bool has_padding_ = false;
+  bool has_extension_ = false;
+  uint32_t total_csrc_number_ = 0;
+  bool marker_ = false;
+  uint32_t payload_type_ = 0;
+  uint16_t sequence_number_ = 0;
+  uint64_t timestamp_ = 0;
+  uint32_t ssrc_ = 0;
+  std::vector<uint32_t> csrcs_;
+  uint16_t profile_ = 0;
+  uint16_t extension_profile_ = 0;
+  uint16_t extension_len_ = 0;
+  uint8_t* extension_data_ = nullptr;
+
+ private:
+  // RtpPacket* rtp_packet_ = nullptr;
+  RtpPacket::FU_INDICATOR fu_indicator_;
+  bool fec_enable_ = false;
+  FecEncoder fec_encoder_;
+};
+
+#endif