Improve probing by ignoring small packets which otherwise break the mechanism.

webrtc/modules/pacing/bitrate_prober.h

 /*
  *  Copyright (c) 2014 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_BITRATE_PROBER_H_
 #define WEBRTC_MODULES_PACING_BITRATE_PROBER_H_
 
 #include <cstddef>
 #include <list>
 
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 // Note that this class isn't thread-safe by itself and therefore relies
 // on being protected by the caller.
 class BitrateProber {
  public:
+  static const size_t kMinProbePacketSize;
+
   BitrateProber();
 
   void SetEnabled(bool enable);
 
   // Returns true if the prober is in a probing session, i.e., it currently
   // wants packets to be sent out according to the time returned by
   // TimeUntilNextProbe().
   bool IsProbing() const;
 
   // Initializes a new probing session if the prober is allowed to probe.
@@ skipping 17 matching lines @@
   ProbingState probing_state_;
   // Probe bitrate per packet. These are used to compute the delta relative to
   // the previous probe packet based on the size and time when that packet was
   // sent.
   std::list<int> probe_bitrates_;
   size_t packet_size_last_send_;
   int64_t time_last_send_ms_;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_PACING_BITRATE_PROBER_H_