[Feature might be dropped] VideoPlaybackQuality.totalFrameDelay

media/base/pipeline.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/pipeline.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 566 matching lines @@
   did_loading_progress_ = true;
 }
 
 // Called from any thread.
 void Pipeline::OnUpdateStatistics(const PipelineStatistics& stats) {
   base::AutoLock auto_lock(lock_);
   statistics_.audio_bytes_decoded += stats.audio_bytes_decoded;
   statistics_.video_bytes_decoded += stats.video_bytes_decoded;
   statistics_.video_frames_decoded += stats.video_frames_decoded;
   statistics_.video_frames_dropped += stats.video_frames_dropped;
+  statistics_.total_frame_delay += stats.total_frame_delay;
 }
 
 void Pipeline::StartTask() {
   DCHECK(task_runner_->BelongsToCurrentThread());
 
   CHECK_EQ(kCreated, state_)
       << "Media pipeline cannot be started more than once";
 
   text_renderer_ = filter_collection_->GetTextRenderer();
 
@@ skipping 326 matching lines @@
 void Pipeline::StartClockIfWaitingForTimeUpdate_Locked() {
   lock_.AssertAcquired();
   if (interpolation_state_ != INTERPOLATION_WAITING_FOR_AUDIO_TIME_UPDATE)
     return;
 
   interpolation_state_ = INTERPOLATION_STARTED;
   interpolator_->StartInterpolating();
 }
 
 }  // namespace media