Tweaked version of BBR for WebRTC.

webrtc/modules/pacing/pacer.h

+/*
+ *  Copyright (c) 2017 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.
+ */
+
+#ifndef WEBRTC_MODULES_PACING_PACER_H_
+#define WEBRTC_MODULES_PACING_PACER_H_
+
+#include "webrtc/modules/include/module.h"
+#include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
+
+namespace webrtc {
+class Pacer : public Module, public RtpPacketSender {
+ public:
+  virtual void SetEstimatedBitrate(uint32_t bitrate_bps) {}
+  virtual void SetEstimatedBitrateAndCongestionWindow(
+      uint32_t bitrate_bps,
+      bool in_probe_rtt,
+      uint64_t congestion_window) {}
+  virtual void OnBytesAcked(size_t bytes) {}
+  void InsertPacket(RtpPacketSender::Priority priority,
+                    uint32_t ssrc,
+                    uint16_t sequence_number,
+                    int64_t capture_time_ms,
+                    size_t bytes,
+                    bool retransmission) override = 0;
+  int64_t TimeUntilNextProcess() override = 0;
+  void Process() override = 0;
+  ~Pacer() override {}
+};
+}  // namespace webrtc
+#endif  // WEBRTC_MODULES_PACING_PACER_H_