Implement video frame acknowledgements in the chromoting protocol.

remoting/protocol/connection_to_client.h

 // Copyright (c) 2012 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 REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_
 #define REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_
 
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/non_thread_safe.h"
 #include "remoting/protocol/audio_writer.h"
 #include "remoting/protocol/session.h"
 
 namespace remoting {
 namespace protocol {
 
 class ClientStub;
 class ClipboardStub;
 class HostControlDispatcher;
 class HostEventDispatcher;
 class HostStub;
 class HostVideoDispatcher;
 class InputStub;
-class VideoStub;
+class VideoSender;
 
 // This class represents a remote viewer connection to the chromoting
 // host. It sets up all protocol channels and connects them to the
 // stubs.
 class ConnectionToClient : public base::NonThreadSafe,
                            public Session::EventHandler,
                            public ChannelDispatcherBase::EventHandler {
  public:
   class EventHandler {
    public:
@@ skipping 42 matching lines @@
   virtual void Disconnect();
 
   // Callback for HostEventDispatcher to be called with a timestamp for each
   // received event.
   virtual void OnEventTimestamp(int64 timestamp);
 
   // Get the stubs used by the host to transmit messages to the client.
   // The stubs must not be accessed before OnConnectionAuthenticated(), or
   // after OnConnectionClosed().
   // Note that the audio stub will be nullptr if audio is not enabled.
-  virtual VideoStub* video_stub();
+  virtual VideoSender* video_sender();
   virtual AudioStub* audio_stub();
   virtual ClientStub* client_stub();
 
   // Set/get the stubs which will handle messages we receive from the client.
   // All stubs MUST be set before the session's channels become connected.
   virtual void set_clipboard_stub(ClipboardStub* clipboard_stub);
   virtual ClipboardStub* clipboard_stub();
   virtual void set_host_stub(HostStub* host_stub);
   virtual HostStub* host_stub();
   virtual void set_input_stub(InputStub* input_stub);
@@ skipping 33 matching lines @@
   scoped_ptr<HostVideoDispatcher> video_dispatcher_;
   scoped_ptr<AudioWriter> audio_writer_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionToClient);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_