cast: Split Rtcp into two for sender and receiver

media/cast/net/cast_transport_sender_impl.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.
 
 // This class maintains a send transport for audio and video in a Cast
 // Streaming session.
 // Audio, video frames and RTCP messages are submitted to this object
 // and then packetized and paced to the underlying UDP socket.
 //
 // The hierarchy of send transport in a Cast Streaming session:
@@ skipping 24 matching lines @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
 #include "media/cast/common/transport_encryption_handler.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/net/cast_transport_config.h"
 #include "media/cast/net/cast_transport_sender.h"
 #include "media/cast/net/pacing/paced_sender.h"
-#include "media/cast/net/rtcp/rtcp.h"
+#include "media/cast/net/rtcp/sender_rtcp_session.h"
 #include "media/cast/net/rtp/rtp_parser.h"
 #include "media/cast/net/rtp/rtp_sender.h"
 #include "net/base/network_interfaces.h"
 
 namespace media {
 namespace cast {
 
 class UdpTransport;
 
 class CastTransportSenderImpl : public CastTransportSender {
@@ skipping 116 matching lines @@
   scoped_ptr<UdpTransport> transport_;
 
   // Packet sender that performs pacing.
   PacedSender pacer_;
 
   // Packetizer for audio and video frames.
   scoped_ptr<RtpSender> audio_sender_;
   scoped_ptr<RtpSender> video_sender_;
 
   // Maintains RTCP session for audio and video.
-  scoped_ptr<Rtcp> audio_rtcp_session_;
-  scoped_ptr<Rtcp> video_rtcp_session_;
+  scoped_ptr<SenderRtcpSession> audio_rtcp_session_;
+  scoped_ptr<SenderRtcpSession> video_rtcp_session_;
 
   // Encrypts data in EncodedFrames before they are sent.  Note that it's
   // important for the encryption to happen here, in code that would execute in
   // the main browser process, for security reasons.  This helps to mitigate
   // the damage that could be caused by a compromised renderer process.
   TransportEncryptionHandler audio_encryptor_;
   TransportEncryptionHandler video_encryptor_;
 
   BulkRawEventsCallback raw_events_callback_;
   base::TimeDelta raw_events_callback_interval_;
@@ skipping 14 matching lines @@
 
   base::WeakPtrFactory<CastTransportSenderImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderImpl);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_NET_CAST_TRANSPORT_SENDER_IMPL_H_