Configured VCMTiming with sender defining delay times.

webrtc/modules/video_coding/frame_buffer2.cc

 /*
  *  Copyright (c) 2016 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 189 matching lines @@
   stopped_ = false;
 }
 
 void FrameBuffer::Stop() {
   TRACE_EVENT0("webrtc", "FrameBuffer::Stop");
   rtc::CritScope lock(&crit_);
   stopped_ = true;
   new_continuous_frame_event_.Set();
 }
 
+void FrameBuffer::UpdatePlayoutDelays(const FrameObject& frame) {
+  TRACE_EVENT0("webrtc", "FrameBuffer::UpdatePlayoutDelays");
+  int minimal_playout_delay_ms = -1;
+  int maximal_playout_delay_ms = -1;
+
+  minimal_playout_delay_ms = frame.EncodedImage().playout_delay_.min_ms;
+  maximal_playout_delay_ms = frame.EncodedImage().playout_delay_.max_ms;
+
+  if (minimal_playout_delay_ms >= 0)
+    timing_->set_min_playout_delay(minimal_playout_delay_ms);
+
+  if (maximal_playout_delay_ms >= 0)
+    timing_->set_max_playout_delay(maximal_playout_delay_ms);
+}
+
 int FrameBuffer::InsertFrame(std::unique_ptr<FrameObject> frame) {
   TRACE_EVENT0("webrtc", "FrameBuffer::InsertFrame");
   RTC_DCHECK(frame);
   if (stats_callback_)
     stats_callback_->OnCompleteFrame(frame->num_references == 0, frame->size());
   FrameKey key(frame->picture_id, frame->spatial_layer);
 
   rtc::CritScope lock(&crit_);
 
+  UpdatePlayoutDelays(*frame);

[philipel, 2017/05/09 16:12:58]

I just realized this now, but I think we should only update the playout delay if
we actually insert the frame. All you have to do is to move this call to line
300.

[gnish, 2017/05/09 16:24:12]

Done.

+
   int last_continuous_picture_id =
       last_continuous_frame_it_ == frames_.end()
           ? -1
           : last_continuous_frame_it_->first.picture_id;
 
   if (num_frames_buffered_ >= kMaxFramesBuffered) {
     LOG(LS_WARNING) << "Frame with (picture_id:spatial_id) (" << key.picture_id
                     << ":" << static_cast<int>(key.spatial_layer)
                     << ") could not be inserted due to the frame "
                     << "buffer being full, dropping frame.";
@@ skipping 238 matching lines @@
   frames_.clear();
   last_decoded_frame_it_ = frames_.end();
   last_continuous_frame_it_ = frames_.end();
   next_frame_it_ = frames_.end();
   num_frames_history_ = 0;
   num_frames_buffered_ = 0;
 }
 
 }  // namespace video_coding
 }  // namespace webrtc