Add VideoReader and VideoWriter interfaces.

remoting/protocol/video_stub.h

+// Copyright (c) 2010 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_VIDEO_STUB_H_
+#define REMOTING_PROTOCOL_VIDEO_STUB_H_
+
+#include "remoting/proto/video.pb.h"
+
+class Task;
+
+namespace remoting {
+
+class VideoStub {
+ public:
+  virtual ~VideoStub() { }
+
+  // TODO(sergeyu): VideoPacket is the protobuf message that is used to send
+  // video packets in protobuf stream. It should not be used here. Add another
+  // struct and use it to represent video packets internally.
+  virtual void ProcessVideoPacket(const VideoPacket* video_packet,
+                                  Task* done) = 0;
+
+ protected:
+  VideoStub() { }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VideoStub);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_VIDEO_STUB_H_