Implement periodic bandwidth probing in application-limited region.

webrtc/video/video_send_stream.cc

Index: webrtc/video/video_send_stream.cc
diff --git a/webrtc/video/video_send_stream.cc b/webrtc/video/video_send_stream.cc
index 51c9dad13160a4cbbc454e6576db27fb4274b3aa..e4465679ac7be284fb8d60d5660efcb664d0f897 100644
--- a/webrtc/video/video_send_stream.cc
+++ b/webrtc/video/video_send_stream.cc
@@ -748,6 +748,9 @@ VideoSendStreamImpl::VideoSendStreamImpl(
   RTC_DCHECK(congestion_controller_);
   RTC_DCHECK(remb_);
 
+  if (config_->periodic_bandwidth_probing)

[philipel, 2016/11/16 14:59:15]

congestion_controller_->EnablePeriodicProbing(config_->periodic_bandwidth_probing);

[Sergey Ulanov, 2016/11/21 09:06:03]

Done.

[philipel, 2016/11/21 12:05:42]

Why do we make an assumption about the default value of ALR probing here? If we
change the default then you wont be able to disable the ALR probing using the
config.

[philipel, 2016/11/22 12:31:37]

Also, PTAL at this comment.

[Sergey Ulanov, 2016/11/22 23:21:00]

Fixed now. Sorry I missed it last time.

+    congestion_controller_->EnablePeriodicProbing(true);
+
   // RTP/RTCP initialization.
   for (RtpRtcp* rtp_rtcp : rtp_rtcp_modules_) {
     congestion_controller_->packet_router()->AddRtpModule(rtp_rtcp);