Add VideoReader and VideoWriter interfaces.

remoting/protocol/protobuf_video_reader.cc

+// 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.
+
+#include "remoting/protocol/protobuf_video_reader.h"
+
+#include "base/task.h"
+#include "remoting/protocol/chromotocol_connection.h"
+
+namespace remoting {
+
+ProtobufVideoReader::ProtobufVideoReader() { }
+ProtobufVideoReader::~ProtobufVideoReader() { }
+
+void ProtobufVideoReader::Init(ChromotocolConnection* connection,
+                               VideoStub* video_stub) {
+  reader_.Init<VideoPacket>(connection->video_channel(),
+                            NewCallback(this, &ProtobufVideoReader::OnNewData));
+  video_stub_ = video_stub;
+}
+
+void ProtobufVideoReader::Close() {
+  reader_.Close();
+}
+
+void ProtobufVideoReader::OnNewData(VideoPacket* packet) {
+  video_stub_->ProcessVideoPacket(packet, new DeleteTask<VideoPacket>(packet));
+}
+
+}  // namespace remoting