[feat] rewrite rtp module

src/rtp/rtp_packetizer/rtp_packetizer.h

@@ -0,0 +1,25 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-01-22
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _RTP_PACKETIZER_H_
+#define _RTP_PACKETIZER_H_
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+#include "rtp_packet.h"
+
+class RtpPacketizer {
+ public:
+  static std::unique_ptr<RtpPacketizer> Create(uint32_t payload_type);
+
+  virtual ~RtpPacketizer() = default;
+
+  bool Build(uint8_t* payload, uint32_t payload_size) = 0;
+};
+
+#endif