media: gpu process ipc video decoder implementation

chrome/gpu/gpu_channel.h

 // 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.
 
 #ifndef CHROME_GPU_GPU_CHANNEL_H_
 #define CHROME_GPU_GPU_CHANNEL_H_
 #pragma once
 
 #include <string>
 
 #include "base/id_map.h"
 #include "base/scoped_open_process.h"
 #include "base/scoped_ptr.h"
 #include "build/build_config.h"
+#include "chrome/common/gpu_video_common.h"
 #include "chrome/common/message_router.h"
 #include "chrome/gpu/gpu_command_buffer_stub.h"
 #include "gfx/native_widget_types.h"
 #include "gfx/size.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_sync_channel.h"
 
 // Encapsulates an IPC channel between the GPU process and one renderer
 // process. On the renderer side there's a corresponding GpuChannelHost.
@@ skipping 40 matching lines @@
   // Message handlers.
   void OnCreateViewCommandBuffer(gfx::NativeViewId view,
                                  int32 render_view_id,
                                  int32* route_id);
   void OnCreateOffscreenCommandBuffer(int32 parent_route_id,
                                       const gfx::Size& size,
                                       uint32 parent_texture_id,
                                       int32* route_id);
   void OnDestroyCommandBuffer(int32 route_id);
 
+  void OnGetVideoService(GpuVideoServiceInfoParam* info);
+  void OnCreateVideoDecoder(GpuVideoDecoderInfoParam* info);
+  void OnDestroyVideoDecoder(int32 decoder_id);
+
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // Handle to the renderer process who is on the other side of the channel.
   base::ScopedOpenProcess renderer_process_;
 
   // The id of the renderer who is on the other side of the channel.
   int renderer_id_;
 
 #if defined(OS_POSIX)
   // FD for the renderer end of the pipe. It is stored until we send it over
   // IPC after which it is cleared. It will be closed by the IPC mechanism.
   int renderer_fd_;
 #endif
 
   // Used to implement message routing functionality to CommandBuffer objects
   MessageRouter router_;
 
 #if defined(ENABLE_GPU)
   typedef IDMap<GpuCommandBufferStub, IDMapOwnPointer> StubMap;
   StubMap stubs_;
 #endif
 
   bool log_messages_;  // True if we should log sent and received messages.
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 #endif  // CHROME_GPU_GPU_CHANNEL_H_