Implement adaptive target delay extension

media/cast/receiver/frame_receiver.h

 // 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.
 
 #ifndef MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_
 #define MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 74 matching lines @@
   // the future to wait for missing/incomplete frames.
   void EmitAvailableEncodedFrames();
 
   // Clears the |is_waiting_for_consecutive_frame_| flag and invokes
   // EmitAvailableEncodedFrames().
   void EmitAvailableEncodedFramesAfterWaiting();
 
   // Computes the playout time for a frame with the given |rtp_timestamp|.
   // Because lip-sync info is refreshed regularly, calling this method with the
   // same argument may return different results.
-  base::TimeTicks GetPlayoutTime(uint32 rtp_timestamp) const;
+  base::TimeTicks GetPlayoutTime(const EncodedFrame& frame) const;
 
   // Schedule timing for the next cast message.
   void ScheduleNextCastMessage();
 
   // Schedule timing for the next RTCP report.
   void ScheduleNextRtcpReport();
 
   // Actually send the next cast message.
   void SendNextCastMessage();
 
@@ skipping 17 matching lines @@
 
   // RTP timebase: The number of RTP units advanced per one second.
   const int rtp_timebase_;
 
   // The total amount of time between a frame's capture/recording on the sender
   // and its playback on the receiver (i.e., shown to a user).  This is fixed as
   // a value large enough to give the system sufficient time to encode,
   // transmit/retransmit, receive, decode, and render; given its run-time
   // environment (sender/receiver hardware performance, network conditions,
   // etc.).
-  const base::TimeDelta target_playout_delay_;
+  base::TimeDelta target_playout_delay_;
 
   // Hack: This is used in logic that determines whether to skip frames.
   // TODO(miu): Revisit this.  Logic needs to also account for expected decode
   // time.
   const base::TimeDelta expected_frame_duration_;
 
   // Set to false initially, then set to true after scheduling the periodic
   // sending of reports back to the sender.  Reports are first scheduled just
   // after receiving a first packet (since the first packet identifies the
   // sender for the remainder of the session).
@@ skipping 34 matching lines @@
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<FrameReceiver> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameReceiver);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_RECEIVER_FRAME_RECEIVER_H_