Added log messages for important call setup events: first packet sent/received

webrtc/modules/rtp_rtcp/source/rtp_sender_audio.h

 /*
  *  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.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_AUDIO_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_AUDIO_H_
 
 #include "webrtc/common_types.h"
+#include "webrtc/base/onetimeevent.h"
 #include "webrtc/modules/rtp_rtcp/source/dtmf_queue.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_sender.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 class RTPSenderAudio : public DTMFqueue {
  public:
   RTPSenderAudio(Clock* clock, RTPSender* rtpSender);
@@ skipping 68 matching lines @@
   bool _inbandVADactive GUARDED_BY(_sendAudioCritsect);
   int8_t _cngNBPayloadType GUARDED_BY(_sendAudioCritsect);
   int8_t _cngWBPayloadType GUARDED_BY(_sendAudioCritsect);
   int8_t _cngSWBPayloadType GUARDED_BY(_sendAudioCritsect);
   int8_t _cngFBPayloadType GUARDED_BY(_sendAudioCritsect);
   int8_t _lastPayloadType GUARDED_BY(_sendAudioCritsect);
 
   // Audio level indication
   // (https://datatracker.ietf.org/doc/draft-lennox-avt-rtp-audio-level-exthdr/)
   uint8_t _audioLevel_dBov GUARDED_BY(_sendAudioCritsect);
+  OneTimeEvent first_packet_sent_;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_SENDER_AUDIO_H_