Decompose VideoRenderer from VideoStub.

remoting/client/software_video_renderer.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.
 
 #ifndef REMOTING_CLIENT_SOFTWARE_VIDEO_RENDERER_H_
 #define REMOTING_CLIENT_SOFTWARE_VIDEO_RENDERER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "remoting/client/chromoting_stats.h"
 #include "remoting/client/frame_consumer_proxy.h"
 #include "remoting/client/frame_producer.h"
 #include "remoting/client/video_renderer.h"
+#include "remoting/protocol/video_stub.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace remoting {
 
 class ChromotingStats;
 
 // Implementation of VideoRenderer interface that decodes frame on CPU (on a
 // decode thread) and then passes decoded frames to a FrameConsumer.
 // FrameProducer methods can be called on any thread. All other methods must be
 // called on the main thread. Owned must ensure that this class outlives
 // FrameConsumer (which calls FrameProducer interface).
 class SoftwareVideoRenderer : public VideoRenderer,
+                              public protocol::VideoStub,
                               public FrameProducer,
                               public base::NonThreadSafe {
  public:
   // Creates an update decoder on |main_task_runner_| and |decode_task_runner_|,
   // outputting to |consumer|. The |main_task_runner_| is responsible for
   // receiving and queueing packets. The |decode_task_runner_| is responsible
   // for decoding the video packets.
   // TODO(wez): Replace the ref-counted proxy with an owned FrameConsumer.
   SoftwareVideoRenderer(
       scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> decode_task_runner,
       scoped_refptr<FrameConsumerProxy> consumer);
   ~SoftwareVideoRenderer() override;
 
-  // VideoRenderer implementation.
+  // VideoRenderer interface.
   void OnSessionConfig(const protocol::SessionConfig& config) override;
   ChromotingStats* GetStats() override;
+  protocol::VideoStub* GetVideoStub() override;
+
+  // protocol::VideoStub interface.
   void ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
                           const base::Closure& done) override;
 
   // FrameProducer implementation. These methods may be called before we are
   // Initialize()d, or we know the source screen size. These methods may be
   // called on any thread.
   //
   // TODO(sergeyu): On Android a separate display thread is used for drawing.
   // FrameConsumer calls FrameProducer on that thread. Can we avoid having a
   // separate display thread? E.g. can we do everything on the decode thread?
@@ skipping 19 matching lines @@
   int64 latest_event_timestamp_;
 
   base::WeakPtrFactory<SoftwareVideoRenderer> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SoftwareVideoRenderer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_SOFTWARE_VIDEO_RENDERER_H_