Sample code: IPC Transport object for GPU

content/common/gpu/media/gpu_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_GPU_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/shared_memory.h"
 #include "base/synchronization/waitable_event.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 #include "media/video/video_decode_accelerator.h"
 #include "ui/gfx/geometry/size.h"
 
-struct AcceleratedVideoDecoderMsg_Decode_Params;
+namespace content {
 
-namespace content {
+struct VideoDecodeParams;
 
 class GpuVideoDecodeAccelerator
     : public IPC::Listener,
       public IPC::Sender,
       public media::VideoDecodeAccelerator::Client,
       public GpuCommandBufferStub::DestructionObserver {
  public:
   // Each of the arguments to the constructor must outlive this object.
   // |stub->decoder()| will be made current around any operation that touches
   // the underlying VDA so that it can make GL calls safely.
@@ skipping 47 matching lines @@
   scoped_ptr<media::VideoDecodeAccelerator> CreateVaapiVDA();
   scoped_ptr<media::VideoDecodeAccelerator> CreateVTVDA();
   scoped_ptr<media::VideoDecodeAccelerator> CreateOzoneVDA();
   scoped_ptr<media::VideoDecodeAccelerator> CreateAndroidVDA();
 
   // We only allow self-delete, from OnWillDestroyStub(), after cleanup there.
   ~GpuVideoDecodeAccelerator() override;
 
   // Handlers for IPC messages.
   void OnSetCdm(int cdm_id);
-  void OnDecode(const AcceleratedVideoDecoderMsg_Decode_Params& params);
+  void OnDecode(const VideoDecodeParams& params);
   void OnAssignPictureBuffers(const std::vector<int32_t>& buffer_ids,
                               const std::vector<uint32_t>& texture_ids);
   void OnReusePictureBuffer(int32_t picture_buffer_id);
   void OnFlush();
   void OnReset();
   void OnDestroy();
 
   // Called on IO thread when |filter_| has been removed.
   void OnFilterRemoved();
 
@@ skipping 52 matching lines @@
 
   // A map from picture buffer ID to TextureRef that have not been cleared.
   std::map<int32_t, scoped_refptr<gpu::gles2::TextureRef>> uncleared_textures_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(GpuVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_DECODE_ACCELERATOR_H_