Cast:Transport: Dividing A/V Initialization pipeline

media/cast/transport/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.
 
 #ifndef MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_IMPL_H_
 #define MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_IMPL_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 10 matching lines @@
 namespace cast {
 namespace transport {
 
 class CastTransportSenderImpl : public CastTransportSender {
  public:
   // external_transport is only used for testing.
   // Note that SetPacketReceiver does not work if an external
   // transport is provided.
   CastTransportSenderImpl(
       base::TickClock* clock,
-      const CastTransportConfig& config,
+      const net::IPEndPoint& local_end_point,
+      const net::IPEndPoint& remote_end_point,
       const CastTransportStatusCallback& status_callback,
       const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner,
       PacketSender* external_transport);
 
   virtual ~CastTransportSenderImpl();
 
+  virtual void InitializeAudio(const CastTransportAudioConfig& config) OVERRIDE;
+
+  virtual void InitializeVideo(const CastTransportVideoConfig& config) OVERRIDE;
+
   // CastTransportSender implementation.
   virtual void SetPacketReceiver(const PacketReceiverCallback& packet_receiver)
       OVERRIDE;
 
   virtual void InsertCodedAudioFrame(const EncodedAudioFrame* audio_frame,
                                      const base::TimeTicks& recorded_time)
       OVERRIDE;
 
   virtual void InsertCodedVideoFrame(const EncodedVideoFrame* video_frame,
                                      const base::TimeTicks& capture_time)
@@ skipping 10 matching lines @@
                              const MissingFramesAndPacketsMap& missing_packets)
       OVERRIDE;
 
   virtual void SubscribeAudioRtpStatsCallback(
       const CastTransportRtpStatistics& callback) OVERRIDE;
 
   virtual void SubscribeVideoRtpStatsCallback(
       const CastTransportRtpStatistics& callback) OVERRIDE;
 
  private:
+  base::TickClock* clock_;  // Not owned by this class.
+  CastTransportStatusCallback status_callback_;
+  scoped_refptr<base::SingleThreadTaskRunner> transport_task_runner_;
   scoped_ptr<UdpTransport> transport_;
   PacedSender pacer_;
   RtcpBuilder rtcp_builder_;
-  TransportAudioSender audio_sender_;
-  TransportVideoSender video_sender_;
+  scoped_ptr<TransportAudioSender> audio_sender_;
+  scoped_ptr<TransportVideoSender> video_sender_;
 
   DISALLOW_COPY_AND_ASSIGN(CastTransportSenderImpl);
 };
 
 }  // namespace transport
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_IMPL_H_