Add video frame recording capability to Chromoting hosts.

remoting/host/client_session.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_HOST_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 26 matching lines @@
 
 namespace remoting {
 
 class AudioEncoder;
 class AudioScheduler;
 class DesktopEnvironment;
 class DesktopEnvironmentFactory;
 class InputInjector;
 class ScreenControls;
 class VideoEncoder;
+class VideoFrameRecorder;
 class VideoScheduler;
 
 // A ClientSession keeps a reference to a connection to a client, and maintains
 // per-client state.
 class ClientSession
     : public base::NonThreadSafe,
       public protocol::HostStub,
       public protocol::ConnectionToClient::EventHandler,
       public ClientSessionControl {
  public:
@@ skipping 101 matching lines @@
   protocol::ConnectionToClient* connection() const {
     return connection_.get();
   }
 
   bool is_authenticated() { return auth_input_filter_.enabled();  }
 
   const std::string* client_capabilities() const {
     return client_capabilities_.get();
   }
 
+  // Manages an optional VideoFrameRecorder, used to record session content
+  // The recorder must be set before the ClientSession becomes authenticated.
+  void set_video_frame_recorder(scoped_ptr<VideoFrameRecorder> recorder);
+  VideoFrameRecorder* video_frame_recorder() const;
+
  private:
   typedef ScopedVector<HostExtensionSession> HostExtensionSessionList;
 
   // Creates a proxy for sending clipboard events to the client.
   scoped_ptr<protocol::ClipboardStub> CreateClipboardProxy();
 
   // Creates an audio encoder for the specified configuration.
   static scoped_ptr<AudioEncoder> CreateAudioEncoder(
       const protocol::SessionConfig& config);
 
@@ skipping 78 matching lines @@
 
   // Used to apply client-requested changes in screen resolution.
   scoped_ptr<ScreenControls> screen_controls_;
 
   // The pairing registry for PIN-less authentication.
   scoped_refptr<protocol::PairingRegistry> pairing_registry_;
 
   // Used to proxy gnubby auth traffic.
   scoped_ptr<GnubbyAuthHandler> gnubby_auth_handler_;
 
+  // Used to record sequences of video frames.
+  scoped_ptr<VideoFrameRecorder> video_frame_recorder_;
+
   // Host extension sessions, used to handle extension messages.
   HostExtensionSessionList extension_sessions_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_