Cast:Adding signaling and infrastructure for adjustable delay

media/cast/rtcp/rtcp.h

 // Copyright 2013 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.
 
 #ifndef MEDIA_CAST_RTCP_RTCP_H_
 #define MEDIA_CAST_RTCP_RTCP_H_
 
 #include <list>
 #include <map>
 #include <queue>
@@ skipping 98 matching lines @@
            base::TimeDelta* min_rtt,
            base::TimeDelta* max_rtt) const;
   bool RtpTimestampInSenderTime(int frequency,
                                 uint32 rtp_timestamp,
                                 base::TimeTicks* rtp_timestamp_in_ticks) const;
 
   // Set the history size to record Cast receiver events. The event history is
   // used to remove duplicates. The history will store at most |size| events.
   void SetCastReceiverEventHistorySize(size_t size);
 
+  // Update the target delay. Will be added to every sender report.
+  void SetTargetDelay(base::TimeDelta target_delay);
+
  protected:
   int CheckForWrapAround(uint32 new_timestamp, uint32 old_timestamp) const;
 
   void OnReceivedLipSyncInfo(uint32 rtp_timestamp,
                              uint32 ntp_seconds,
                              uint32 ntp_fraction);
 
  private:
   friend class LocalRtcpRttFeedback;
   friend class LocalRtcpReceiverFeedback;
@@ skipping 53 matching lines @@
 
   uint32 last_received_rtp_timestamp_;
   uint32 last_received_ntp_seconds_;
   uint32 last_received_ntp_fraction_;
 
   base::TimeDelta rtt_;
   base::TimeDelta min_rtt_;
   base::TimeDelta max_rtt_;
   int number_of_rtt_in_avg_;
   float avg_rtt_ms_;
+  uint16 target_delay_ms_;
 
   DISALLOW_COPY_AND_ASSIGN(Rtcp);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_RTCP_RTCP_H_