[feat] introduce fraction lost into congestion control module

src/channel/meida_channel/video_channel_receive.cpp

@@ -0,0 +1,67 @@
+#include "video_channel_receive.h"
+
+#include "log.h"
+
+VideoChannelReceive::VideoChannelReceive() {}
+
+VideoChannelReceive::VideoChannelReceive(
+    std::shared_ptr<SystemClock> clock, std::shared_ptr<IceAgent> ice_agent,
+    std::shared_ptr<IOStatistics> ice_io_statistics,
+    std::function<void(VideoFrame &)> on_receive_complete_frame)
+    : ice_agent_(ice_agent),
+      ice_io_statistics_(ice_io_statistics),
+      on_receive_complete_frame_(on_receive_complete_frame),
+      clock_(clock) {}
+
+VideoChannelReceive::~VideoChannelReceive() {}
+
+void VideoChannelReceive::Initialize(rtp::PAYLOAD_TYPE payload_type) {
+  rtp_video_receiver_ =
+      std::make_unique<RtpVideoReceiver>(clock_, ice_io_statistics_);
+  rtp_video_receiver_->SetOnReceiveCompleteFrame(
+      [this](VideoFrame &video_frame) -> void {
+        on_receive_complete_frame_(video_frame);
+      });
+
+  rtp_video_receiver_->SetSendDataFunc(
+      [this](const char *data, size_t size) -> int {
+        if (!ice_agent_) {
+          LOG_ERROR("ice_agent_ is nullptr");
+          return -1;
+        }
+
+        auto ice_state = ice_agent_->GetIceState();
+
+        if (ice_state != NICE_COMPONENT_STATE_CONNECTED &&
+            ice_state != NICE_COMPONENT_STATE_READY) {
+          LOG_ERROR("Ice is not connected, state = [{}]",
+                    nice_component_state_to_string(ice_state));
+          return -2;
+        }
+
+        ice_io_statistics_->UpdateVideoOutboundBytes((uint32_t)size);
+        return ice_agent_->Send(data, size);
+      });
+
+  rtp_video_receiver_->Start();
+}
+
+void VideoChannelReceive::Destroy() {
+  if (rtp_video_receiver_) {
+    rtp_video_receiver_->Stop();
+  }
+}
+
+int VideoChannelReceive::OnReceiveRtpPacket(const char *data, size_t size) {
+  if (ice_io_statistics_) {
+    ice_io_statistics_->UpdateVideoInboundBytes((uint32_t)size);
+  }
+
+  if (rtp_video_receiver_) {
+    RtpPacket rtp_packet;
+    rtp_packet.Build((uint8_t *)data, (uint32_t)size);
+    rtp_video_receiver_->InsertRtpPacket(rtp_packet);
+  }
+
+  return 0;
+}