Clear PacketBuffer when full.

webrtc/modules/video_coding/packet_buffer.cc

 /*
  *  Copyright (c) 2016 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 130 matching lines @@
     sequence_buffer_[i].used = false;
   }
 
   first_packet_received_ = false;
   is_cleared_to_first_seq_num_ = false;
 }
 
 bool PacketBuffer::ExpandBufferSize() {
   if (size_ == max_size_) {
     LOG(LS_WARNING) << "PacketBuffer is already at max size (" << max_size_
-                    << "), failed to increase size.";
+                    << "), failed to increase size. Clearing PacketBuffer.";
+    Clear();
     return false;
   }
 
   size_t new_size = std::min(max_size_, 2 * size_);
   std::vector<VCMPacket> new_data_buffer(new_size);
   std::vector<ContinuityInfo> new_sequence_buffer(new_size);
   for (size_t i = 0; i < size_; ++i) {
     if (sequence_buffer_[i].used) {
       size_t index = sequence_buffer_[i].seq_num % new_size;
       new_sequence_buffer[index] = sequence_buffer_[i];
@@ skipping 149 matching lines @@
 int PacketBuffer::Release() const {
   int count = rtc::AtomicOps::Decrement(&ref_count_);
   if (!count) {
     delete this;
   }
   return count;
 }
 
 }  // namespace video_coding
 }  // namespace webrtc