Add histogram stats for send delay for a sent video stream.

webrtc/video/vie_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 102 matching lines @@
                                bandwidth_observer_.get(),
                                transport_feedback_observer_,
                                rtt_stats_,
                                &rtcp_packet_type_counter_observer_,
                                remote_bitrate_estimator,
                                paced_sender_,
                                packet_router_,
                                &send_bitrate_observer_,
                                &send_frame_count_observer_,
                                &send_side_delay_observer_,
+                               &send_packet_observer_,
                                max_rtp_streams)) {
   vie_receiver_.Init(rtp_rtcp_modules_);
   if (sender_) {
     RTC_DCHECK(send_payload_router_);
     RTC_DCHECK(!vcm_);
   } else {
     RTC_DCHECK(!send_payload_router_);
     RTC_DCHECK(vcm_);
     vcm_->SetNackSettings(kMaxNackListSize, max_nack_reordering_threshold_, 0);
   }
@@ skipping 147 matching lines @@
     rtp_counters->Add(rtp_data);
     rtx_counters->Add(rtx_data);
   }
 }
 
 void ViEChannel::RegisterSendSideDelayObserver(
     SendSideDelayObserver* observer) {
   send_side_delay_observer_.Set(observer);
 }
 
+void ViEChannel::RegisterSendPacketObserver(SendPacketObserver* observer) {
+  send_packet_observer_.Set(observer);
+}
+
 void ViEChannel::RegisterSendBitrateObserver(
     BitrateStatisticsObserver* observer) {
   send_bitrate_observer_.Set(observer);
 }
 
 const std::vector<RtpRtcp*>& ViEChannel::rtp_rtcp() const {
   return rtp_rtcp_modules_;
 }
 
 ViEReceiver* ViEChannel::vie_receiver() {
@@ skipping 128 matching lines @@
     RtcpBandwidthObserver* bandwidth_callback,
     TransportFeedbackObserver* transport_feedback_callback,
     RtcpRttStats* rtt_stats,
     RtcpPacketTypeCounterObserver* rtcp_packet_type_counter_observer,
     RemoteBitrateEstimator* remote_bitrate_estimator,
     RtpPacketSender* paced_sender,
     TransportSequenceNumberAllocator* transport_sequence_number_allocator,
     BitrateStatisticsObserver* send_bitrate_observer,
     FrameCountObserver* send_frame_count_observer,
     SendSideDelayObserver* send_side_delay_observer,
+    SendPacketObserver* send_packet_observer,
     size_t num_modules) {
   RTC_DCHECK_GT(num_modules, 0u);
   RtpRtcp::Configuration configuration;
   ReceiveStatistics* null_receive_statistics = configuration.receive_statistics;
   configuration.audio = false;
   configuration.receiver_only = receiver_only;
   configuration.receive_statistics = receive_statistics;
   configuration.outgoing_transport = outgoing_transport;
   configuration.intra_frame_callback = intra_frame_callback;
   configuration.rtt_stats = rtt_stats;
   configuration.rtcp_packet_type_counter_observer =
       rtcp_packet_type_counter_observer;
   configuration.paced_sender = paced_sender;
   configuration.transport_sequence_number_allocator =
       transport_sequence_number_allocator;
   configuration.send_bitrate_observer = send_bitrate_observer;
   configuration.send_frame_count_observer = send_frame_count_observer;
   configuration.send_side_delay_observer = send_side_delay_observer;
+  configuration.send_packet_observer = send_packet_observer;
   configuration.bandwidth_callback = bandwidth_callback;
   configuration.transport_feedback_callback = transport_feedback_callback;
 
   std::vector<RtpRtcp*> modules;
   for (size_t i = 0; i < num_modules; ++i) {
     RtpRtcp* rtp_rtcp = RtpRtcp::CreateRtpRtcp(configuration);
     rtp_rtcp->SetSendingStatus(false);
     rtp_rtcp->SetSendingMediaStatus(false);
     rtp_rtcp->SetRTCPStatus(RtcpMode::kCompound);
     modules.push_back(rtp_rtcp);
@@ skipping 40 matching lines @@
   rtc::CritScope lock(&crit_);
   receive_stats_callback_ = receive_statistics_proxy;
 }
 
 void ViEChannel::SetIncomingVideoStream(
     IncomingVideoStream* incoming_video_stream) {
   rtc::CritScope lock(&crit_);
   incoming_video_stream_ = incoming_video_stream;
 }
 }  // namespace webrtc