Implement video renderer based on VideoDecode API.

remoting/client/plugin/pepper_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_PLUGIN_PEPPER_VIDEO_RENDERER_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_VIDEO_RENDERER_H_
 
 #include "remoting/client/video_renderer.h"
 
 namespace webrtc {
 class DesktopSize;
 class DesktopVector;
 class DesktopRegion;
 }  // namespace webrtc
 
+namespace pp {
+class Instance;
+class View;
+}  // namespace pp
+
 namespace remoting {
 
 class ClientContext;
 
 // Interface for video renderers that render video in pepper plugin.
 class PepperVideoRenderer : public VideoRenderer {
  public:
   class EventHandler {
    public:
     EventHandler() {}
     virtual ~EventHandler() {}
 
+    // Called when decoder has failed for any reason.

[Wez, 2014/12/24 17:11:14]

nit: "Called if video decoding fails, for any reason."

[Sergey Ulanov, 2015/01/06 01:16:31]

Done.

+    virtual void OnVideoDecoderFailed() = 0;
+
     // Called when the first frame is received.
     virtual void OnVideoFirstFrameReceived() = 0;
 
     // Called when stream size changes.
     virtual void OnVideoSize(const webrtc::DesktopSize& size,
                              const webrtc::DesktopVector& dpi) = 0;
 
     // Called when desktop shape changes.
     virtual void OnVideoShape(const webrtc::DesktopRegion& shape) = 0;
   };
 
   // Initializes the renderer. |instance| and |event_handler| must outlive the
   // renderer. Returns false if the renderer cannot be initialized.
   virtual bool Initialize(pp::Instance* instance,
                           const ClientContext& context,
                           EventHandler* event_handler) = 0;
 
   // Must be called whenever the plugin view changes.
   virtual void OnViewChanged(const pp::View& view) = 0;
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_VIDEO_RENDERER_H_