Cast: Make receiver use cast_transport

media/cast/net/cast_transport_sender.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 is the main interface for the cast transport sender.  It accepts encoded
 // frames (both audio and video), encrypts their encoded data, packetizes them
 // and feeds them into a transport (e.g., UDP).
 
 // Construction of the Cast Sender and the Cast Transport Sender should be done
 // in the following order:
@@ skipping 22 matching lines @@
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace net {
 class NetLog;
 }  // namespace net
 
 namespace media {
 namespace cast {
+struct RtpReceiverStatistics;
+struct RtcpTimeData;
 
 // Following the initialization of either audio or video an initialization
 // status will be sent via this callback.
 typedef base::Callback<void(CastTransportStatus status)>
     CastTransportStatusCallback;
 
 typedef base::Callback<void(const std::vector<PacketEvent>&,
                             const std::vector<FrameEvent>&)>
     BulkRawEventsCallback;
 
 // The application should only trigger this class from the transport thread.
 class CastTransportSender : public base::NonThreadSafe {
  public:
   static scoped_ptr<CastTransportSender> Create(
       net::NetLog* net_log,
       base::TickClock* clock,
+      const net::IPEndPoint& local_end_point,
       const net::IPEndPoint& remote_end_point,
       scoped_ptr<base::DictionaryValue> options,
       const CastTransportStatusCallback& status_callback,
       const BulkRawEventsCallback& raw_events_callback,
       base::TimeDelta raw_events_callback_interval,
+      const PacketReceiverCallback& packet_callback,
       const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner);
 
   virtual ~CastTransportSender() {}
 
   // Audio/Video initialization.
   // Encoded frames cannot be transmitted until the relevant initialize method
   // is called.
   virtual void InitializeAudio(const CastTransportRtpConfig& config,
                                const RtcpCastMessageCallback& cast_message_cb,
                                const RtcpRttCallback& rtt_cb) = 0;
@@ skipping 19 matching lines @@
   // |frame_ids| contains the IDs of the frames that will be cancelled.
   virtual void CancelSendingFrames(uint32 ssrc,
                                    const std::vector<uint32>& frame_ids) = 0;
 
   // Resends a frame or part of a frame to kickstart. This is used when the
   // stream appears to be stalled.
   virtual void ResendFrameForKickstart(uint32 ssrc, uint32 frame_id) = 0;
 
   // Returns a callback for receiving packets for testing purposes.
   virtual PacketReceiverCallback PacketReceiverForTesting();
+
+  // The following functions are needed for receving.
+
+  // Add a valid SSRC. This is used to verify that incoming packets
+  // come from the right sender. Without valid SSRCs, the return address cannot
+  // be automatically established.
+  virtual void AddValidSsrc(uint32 ssrc) = 0;
+
+  // Send an RTCP message from receiver to sender.
+  virtual void SendRtcpFromRtpReceiver(
+      uint32 ssrc,
+      uint32 sender_ssrc,
+      const RtcpTimeData& time_data,
+      const RtcpCastMessage* cast_message,
+      base::TimeDelta target_delay,
+      const ReceiverRtcpEventSubscriber::RtcpEvents* rtcp_events,
+      const RtpReceiverStatistics* rtp_receiver_statistics) = 0;
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_NET_CAST_TRANSPORT_SENDER_H_