Make VEA client of command buffer; move sync. IPC to VDA/VEA::Initialize()

content/common/gpu/media/dxva_video_decode_accelerator.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 CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <d3d9.h>
 #include <dxva2api.h>
 #include <list>
 #include <map>
 #include <mfidl.h>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/win/scoped_comptr.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/media/video_decode_accelerator_impl.h"
 #include "media/video/video_decode_accelerator.h"
 
 interface IMFSample;
 interface IDirect3DSurface9;
 
 namespace content {
@@ skipping 79 matching lines @@
   void StopOnError(media::VideoDecodeAccelerator::Error error);
 
   // Transitions the decoder to the uninitialized state. The decoder will stop
   // accepting requests in this state.
   void Invalidate();
 
   // Notifies the client that the input buffer identifed by input_buffer_id has
   // been processed.
   void NotifyInputBufferRead(int input_buffer_id);
 
-  // Notifies the client that initialize was completed.
-  void NotifyInitializeDone();
-
   // Notifies the client that the decoder was flushed.
   void NotifyFlushDone();
 
   // Notifies the client that the decoder was reset.
   void NotifyResetDone();
 
   // Requests picture buffers from the client.
   void RequestPictureBuffers(int width, int height);
 
   // Notifies the client about the availability of a picture.
@@ skipping 70 matching lines @@
   // Counter which holds the number of input packets before a successful
   // decode.
   int inputs_before_decode_;
 
   // List of input samples waiting to be processed.
   typedef std::list<base::win::ScopedComPtr<IMFSample>> PendingInputs;
   PendingInputs pending_input_buffers_;
 
   // Callback to set the correct gl context.
   base::Callback<bool(void)> make_context_current_;
+
+  // WeakPtrFactory for posting tasks back to |this|.
+  base::WeakPtrFactory<DXVAVideoDecodeAccelerator> weak_this_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_DXVA_VIDEO_DECODE_ACCELERATOR_H_