Video/Screenshare loopback tool.

webrtc/test/fake_network_pipe.cc

Index: webrtc/test/fake_network_pipe.cc
diff --git a/webrtc/test/fake_network_pipe.cc b/webrtc/test/fake_network_pipe.cc
index bb9d6b1322e5ecf495aca3b46ec25c098bed2d98..9d5c3222afdb1dfb9833de153f2006a3cea7bdc4 100644
--- a/webrtc/test/fake_network_pipe.cc
+++ b/webrtc/test/fake_network_pipe.cc
@@ -132,8 +132,14 @@ void FakeNetworkPipe::SendPacket(const uint8_t* data, size_t data_length) {
 
   // Delay introduced by the link capacity.
   int64_t capacity_delay_ms = 0;
-  if (config_.link_capacity_kbps > 0)
-    capacity_delay_ms = data_length / (config_.link_capacity_kbps / 8);
+  if (config_.link_capacity_kbps > 0) {
+    int offset_bytes = config_.link_capacity_kbps / 8 / 2;
+    capacity_delay_ms = (data_length + capacity_delay_error_ + offset_bytes) /
+                        (config_.link_capacity_kbps / 8);
+    capacity_delay_error_ +=
+        data_length - capacity_delay_ms * (config_.link_capacity_kbps / 8);
+    // Print("Error: %ld", capacity_delay_error_);
+  }
   int64_t network_start_time = time_now;
 
   // Check if there already are packets on the link and change network start