[refactor] move channel module into transport module

src/transport/channel/rtp_video_sender.h

@@ -0,0 +1,81 @@
+#ifndef _RTP_VIDEO_SENDER_H_
+#define _RTP_VIDEO_SENDER_H_
+
+#include <functional>
+
+#include "api/clock/clock.h"
+#include "clock/system_clock.h"
+#include "io_statistics.h"
+#include "receiver_report.h"
+#include "ringbuffer.h"
+#include "rtp_packet.h"
+#include "rtp_packet_history.h"
+#include "rtp_packet_to_send.h"
+#include "rtp_statistics.h"
+#include "sender_report.h"
+#include "thread_base.h"
+
+class RtpVideoSender : public ThreadBase {
+ public:
+  RtpVideoSender();
+  RtpVideoSender(std::shared_ptr<SystemClock> clock,
+                 std::shared_ptr<IOStatistics> io_statistics);
+  virtual ~RtpVideoSender();
+
+ public:
+  void Enqueue(std::vector<std::unique_ptr<RtpPacket>> &rtp_packets,
+               int64_t capture_timestamp_ms);
+  void SetSendDataFunc(std::function<int(const char *, size_t)> data_send_func);
+  void SetOnSentPacketFunc(
+      std::function<void(const webrtc::RtpPacketToSend &)> on_sent_packet_func);
+  void SetEnqueuePacketsFunc(
+      std::function<
+          void(std::vector<std::unique_ptr<webrtc::RtpPacketToSend>> &)>
+          enqueue_packets_func);
+  uint32_t GetSsrc() { return ssrc_; }
+  void OnReceiverReport(const ReceiverReport &receiver_report);
+
+  int64_t GetTransportSequenceNumber() { return transport_seq_; }
+
+  void IncrementTransportSequenceNumber() { transport_seq_++; }
+
+ private:
+  int SendRtpPacket(
+      std::unique_ptr<webrtc::RtpPacketToSend> rtp_packet_to_send);
+  int SendRtcpSR(SenderReport &rtcp_sr);
+
+  bool CheckIsTimeSendSR();
+
+ private:
+  bool Process() override;
+
+ private:
+  std::function<int(const char *, size_t)> data_send_func_ = nullptr;
+  std::function<void(const webrtc::RtpPacketToSend &)> on_sent_packet_func_ =
+      nullptr;
+  std::function<void(std::vector<std::unique_ptr<webrtc::RtpPacketToSend>> &)>
+      enqueue_packets_func_ = nullptr;
+  RingBuffer<std::unique_ptr<webrtc::RtpPacketToSend>> rtp_packet_queue_;
+
+ private:
+  uint32_t ssrc_ = 0;
+  std::shared_ptr<webrtc::Clock> clock_ = nullptr;
+  std::unique_ptr<RtpStatistics> rtp_statistics_ = nullptr;
+  std::shared_ptr<IOStatistics> io_statistics_ = nullptr;
+  std::unique_ptr<RtpPacketHistory> rtp_packet_history_ = nullptr;
+  uint32_t last_send_bytes_ = 0;
+  uint32_t last_send_rtcp_sr_packet_ts_ = 0;
+  uint32_t total_rtp_payload_sent_ = 0;
+  uint32_t total_rtp_packets_sent_ = 0;
+
+  uint32_t last_rtp_timestamp_ = 0;
+  int64_t last_frame_capture_time_ = 0;
+
+ private:
+  int64_t transport_seq_ = 0;
+
+ private:
+  FILE *file_rtp_sent_ = nullptr;
+};
+
+#endif