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

content/common/gpu/client/command_buffer_proxy_impl.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_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/command_buffer_shared.h"
 #include "gpu/command_buffer/common/gpu_control.h"
 #include "gpu/command_buffer/common/gpu_memory_allocation.h"
 #include "ipc/ipc_listener.h"
-#include "media/video/video_decode_accelerator.h"
 #include "ui/events/latency_info.h"
 
 struct GPUCommandBufferConsoleMessage;
 
 namespace base {
 class SharedMemory;
 }
 
 namespace gfx {
 class GpuMemoryBuffer;
 }
 
 namespace gpu {
 struct Mailbox;
 }
 
+namespace media {
+class VideoDecodeAccelerator;
+class VideoEncodeAccelerator;
+}
+
 namespace content {
 class GpuChannelHost;
 
 // Client side proxy that forwards messages synchronously to a
 // CommandBufferStub.
 class CommandBufferProxyImpl
     : public gpu::CommandBuffer,
       public gpu::GpuControl,
       public IPC::Listener,
       public base::SupportsWeakPtr<CommandBufferProxyImpl> {
@@ skipping 12 matching lines @@
 
   CommandBufferProxyImpl(GpuChannelHost* channel, int route_id);
   virtual ~CommandBufferProxyImpl();
 
   // Sends an IPC message to create a GpuVideoDecodeAccelerator. Creates and
   // returns it as an owned pointer to a media::VideoDecodeAccelerator.  Returns
   // NULL on failure to create the GpuVideoDecodeAcceleratorHost.
   // Note that the GpuVideoDecodeAccelerator may still fail to be created in
   // the GPU process, even if this returns non-NULL. In this case the VDA client
   // is notified of an error later, after Initialize().
-  scoped_ptr<media::VideoDecodeAccelerator> CreateVideoDecoder(
-      media::VideoCodecProfile profile);
+  scoped_ptr<media::VideoDecodeAccelerator> CreateVideoDecoder();
+
+  // Sends an IPC message to create a GpuVideoEncodeAccelerator. Creates and
+  // returns it as an owned pointer to a media::VideoEncodeAccelerator.  Returns
+  // NULL on failure to create the GpuVideoEncodeAcceleratorHost.
+  // Note that the GpuVideoEncodeAccelerator may still fail to be created in
+  // the GPU process, even if this returns non-NULL. In this case the VEA client
+  // is notified of an error later, after Initialize();
+  scoped_ptr<media::VideoEncodeAccelerator> CreateVideoEncoder();
 
   // IPC::Listener implementation:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
   // CommandBuffer implementation:
   virtual bool Initialize() OVERRIDE;
   virtual State GetState() OVERRIDE;
   virtual State GetLastState() OVERRIDE;
   virtual int32 GetLastToken() OVERRIDE;
@@ skipping 70 matching lines @@
   void OnDestroyed(gpu::error::ContextLostReason reason);
   void OnEchoAck();
   void OnConsoleMessage(const GPUCommandBufferConsoleMessage& message);
   void OnSetMemoryAllocation(const gpu::MemoryAllocation& allocation);
   void OnSignalSyncPointAck(uint32 id);
 
   // Try to read an updated copy of the state from shared memory.
   void TryUpdateState();
 
   // The shared memory area used to update state.
-  gpu::CommandBufferSharedState* shared_state() const {
-    return reinterpret_cast<gpu::CommandBufferSharedState*>(
-        shared_state_shm_->memory());
-  }
+  gpu::CommandBufferSharedState* shared_state() const;
 
   // Local cache of id to transfer buffer mapping.
   TransferBufferMap transfer_buffers_;
 
   // Unowned list of DeletionObservers.
   ObserverList<DeletionObserver> deletion_observers_;
 
   // The last cached state received from the service.
   State last_state_;
 
@@ skipping 24 matching lines @@
   GpuMemoryBufferMap gpu_memory_buffers_;
 
   gpu::Capabilities capabilities_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxyImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_