[feat] update transport module and channel module

src/channel/audio_channel_send.h

@@ -7,12 +7,27 @@
 #ifndef _AUDIO_CHANNEL_SEND_H_
 #define _AUDIO_CHANNEL_SEND_H_
 
+#include "ice_agent.h"
+#include "rtp_audio_sender.h"
+#include "rtp_codec.h"
+
 class AudioChannelSend {
  public:
   AudioChannelSend();
+  AudioChannelSend(std::shared_ptr<IceAgent> ice_agent,
+                   std::shared_ptr<IOStatistics> ice_io_statistics);
   ~AudioChannelSend();
 
  public:
+  void Initialize(RtpPacket::PAYLOAD_TYPE payload_type);
+  void Destroy();
+  int SendAudio(char *data, size_t size);
+
+ private:
+  std::shared_ptr<IceAgent> ice_agent_ = nullptr;
+  std::shared_ptr<IOStatistics> ice_io_statistics_ = nullptr;
+  std::unique_ptr<RtpCodec> audio_rtp_codec_ = nullptr;
+  std::unique_ptr<RtpAudioSender> rtp_audio_sender_ = nullptr;
 };
 
 #endif