Refactor: simplify interface of SenderRtcpSession and CastTransport.

media/cast/sender/frame_sender.cc

 // Copyright 2014 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/cast/sender/frame_sender.h"
 
 #include <algorithm>
 #include <limits>
 #include <utility>
 #include <vector>
@@ skipping 14 matching lines @@
 
 // The additional number of frames that can be in-flight when input exceeds the
 // maximum frame rate.
 const int kMaxFrameBurst = 5;
 
 }  // namespace
 
 // Convenience macro used in logging statements throughout this file.
 #define SENDER_SSRC (is_audio_ ? "AUDIO[" : "VIDEO[") << ssrc_ << "] "
 
+FrameSender::RtcpObserver::RtcpObserver(base::WeakPtr<FrameSender> frame_sender)
+    : frame_sender_(frame_sender) {}
+
+FrameSender::RtcpObserver::~RtcpObserver() {}
+
+void FrameSender::RtcpObserver::OnCastMessageReceived(
+    const RtcpCastMessage& cast_message) {
+  if (frame_sender_)
+    frame_sender_->OnReceivedCastFeedback(cast_message);
+}
+
+void FrameSender::RtcpObserver::OnRttReceived(base::TimeDelta round_trip_time) {
+  if (frame_sender_)
+    frame_sender_->OnMeasuredRoundTripTime(round_trip_time);
+}
+
+void FrameSender::RtcpObserver::OnPliReceived() {
+  if (frame_sender_)
+    frame_sender_->OnReceivedPli();
+}
+
 FrameSender::FrameSender(scoped_refptr<CastEnvironment> cast_environment,
                          bool is_audio,
                          CastTransport* const transport_sender,
                          int rtp_timebase,
                          uint32_t ssrc,
                          double max_frame_rate,
                          base::TimeDelta min_playout_delay,
                          base::TimeDelta max_playout_delay,
                          base::TimeDelta animated_playout_delay,
                          CongestionControl* congestion_control)
@@ skipping 399 matching lines @@
     VLOG(1) << SENDER_SSRC << "Dropping: In-flight duration would be too high.";
     return true;
   }
 
   // Next frame is accepted.
   return false;
 }
 
 }  // namespace cast
 }  // namespace media