Added implementation of four functions in the BBR congestion controller.

webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 138 matching lines @@
 void MediaPacket::SetAbsSendTimeMs(int64_t abs_send_time_ms) {
   header_.extension.hasAbsoluteSendTime = true;
   header_.extension.absoluteSendTime = ((static_cast<int64_t>(abs_send_time_ms *
     (1 << 18)) + 500) / 1000) & 0x00fffffful;
 }
 
 BbrBweFeedback::BbrBweFeedback(
     int flow_id,
     int64_t send_time_us,
     int64_t latest_send_time_ms,
-    const std::vector<std::pair<uint64_t, int64_t>>& packet_feedback_vector)
+    const std::vector<uint64_t>& packet_feedback_vector)

[terelius, 2017/06/09 14:02:54]

Do we want to take
const std::vector<PacketFeedback>& packet_feedback_vector
to get the same interface as the current send side estimator?
Or is that not worth the effort?

[gnish1, 2017/06/12 13:04:25]

Done.

     : FeedbackPacket(flow_id, send_time_us, latest_send_time_ms),
       packet_feedback_vector_(packet_feedback_vector) {}
 
 RembFeedback::RembFeedback(int flow_id,
                            int64_t send_time_us,
                            int64_t last_send_time_ms,
                            uint32_t estimated_bps,
                            RTCPReportBlock report_block)
     : FeedbackPacket(flow_id, send_time_us, last_send_time_ms),
       estimated_bps_(estimated_bps),
@@ skipping 649 matching lines @@
 uint32_t PeriodicKeyFrameSource::NextPacketSize(uint32_t frame_size,
                                                 uint32_t remaining_payload) {
   uint32_t fragments =
       (frame_size + (kMaxPayloadSizeBytes - 1)) / kMaxPayloadSizeBytes;
   uint32_t avg_size = (frame_size + fragments - 1) / fragments;
   return std::min(avg_size, remaining_payload);
 }
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc