Fixing NetEqReplacementInput for reordered and missing packets

webrtc/modules/audio_coding/neteq/tools/neteq_replacement_input.h

 /*
  *  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.
  */
 
 #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_REPLACEMENT_INPUT_H_
 #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_REPLACEMENT_INPUT_H_
 
+#include <memory>
 #include <set>
 
 #include "webrtc/modules/audio_coding/neteq/tools/neteq_input.h"
 
 namespace webrtc {
 namespace test {
 
 // This class converts the packets from a NetEqInput to fake encodings to be
 // decoded by a FakeDecodeFromFile decoder.
 class NetEqReplacementInput : public NetEqInput {
@@ skipping 11 matching lines @@
   rtc::Optional<RTPHeader> NextHeader() const override;
 
  private:
   void ReplacePacket();
 
   std::unique_ptr<NetEqInput> source_;
   const uint8_t replacement_payload_type_;
   const std::set<uint8_t> comfort_noise_types_;
   const std::set<uint8_t> forbidden_types_;
   std::unique_ptr<PacketData> packet_;  // The next packet to deliver.
+  uint32_t last_frame_size_timestamps_ = 960;  // Initial guess: 20 ms @ 48 kHz.
 };
 
 }  // namespace test
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_AUDIO_CODING_NETEQ_TOOLS_NETEQ_REPLACEMENT_INPUT_H_