Handle padded audio packets correctly

webrtc/modules/audio_coding/neteq/neteq_impl.cc

 /*
  *  Copyright (c) 2012 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 128 matching lines @@
   rtc::CritScope lock(&crit_sect_);
   int error =
       InsertPacketInternal(rtp_header, payload, receive_timestamp);
   if (error != 0) {
     error_code_ = error;
     return kFail;
   }
   return kOK;
 }
 
+void NetEqImpl::InsertEmptyPacket(const RTPHeader& /*rtp_header*/) {
+  // TODO(henrik.lundin) Handle NACK as well. This will make use of the
+  // rtp_header parameter.
+  // https://bugs.chromium.org/p/webrtc/issues/detail?id=7611
+  rtc::CritScope lock(&crit_sect_);
+  delay_manager_->RegisterEmptyPacket();
+}
+
 namespace {
 void SetAudioFrameActivityAndType(bool vad_enabled,
                                   NetEqImpl::OutputType type,
                                   AudioFrame::VADActivity last_vad_activity,
                                   AudioFrame* audio_frame) {
   switch (type) {
     case NetEqImpl::OutputType::kNormalSpeech: {
       audio_frame->speech_type_ = AudioFrame::kNormalSpeech;
       audio_frame->vad_activity_ = AudioFrame::kVadActive;
       break;
@@ skipping 2013 matching lines @@
   }
 }
 
 void NetEqImpl::CreateDecisionLogic() {
   decision_logic_.reset(DecisionLogic::Create(
       fs_hz_, output_size_samples_, playout_mode_, decoder_database_.get(),
       *packet_buffer_.get(), delay_manager_.get(), buffer_level_filter_.get(),
       tick_timer_.get()));
 }
 }  // namespace webrtc