OnReceivedUplinkPacketLossFraction() receives [const rtc::Optional<float>&]

webrtc/voice_engine/channel.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 1275 matching lines @@
       (*encoder)->OnReceivedUplinkBandwidth(
           bitrate_bps, rtc::Optional<int64_t>(probing_interval_ms));
     }
   });
   retransmission_rate_limiter_->SetMaxRate(bitrate_bps);
 }
 
 void Channel::OnIncomingFractionLoss(int fraction_lost) {
   audio_coding_->ModifyEncoder([&](std::unique_ptr<AudioEncoder>* encoder) {
     if (*encoder)
-      (*encoder)->OnReceivedUplinkPacketLossFraction(fraction_lost / 255.0f);
+      (*encoder)->OnReceivedUplinkPacketLossFraction(
+          rtc::Optional<float>(fraction_lost / 255.0f));
   });
 }
 
 int32_t Channel::SetVADStatus(bool enableVAD,
                               ACMVADMode mode,
                               bool disableDTX) {
   WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId, _channelId),
                "Channel::SetVADStatus(mode=%d)", mode);
   RTC_DCHECK(!(disableDTX && enableVAD));  // disableDTX mode is deprecated.
   if (!codec_manager_.SetVAD(enableVAD, mode) ||
@@ skipping 1685 matching lines @@
   int64_t min_rtt = 0;
   if (_rtpRtcpModule->RTT(remoteSSRC, &rtt, &avg_rtt, &min_rtt, &max_rtt) !=
       0) {
     return 0;
   }
   return rtt;
 }
 
 }  // namespace voe
 }  // namespace webrtc