Sample code: IPC Transport object for GPU

content/common/gpu/media/gpu_video_encode_accelerator.h

 // Copyright 2013 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_ENCODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_listener.h"
 #include "media/video/video_encode_accelerator.h"
 #include "ui/gfx/geometry/size.h"
 
-struct AcceleratedVideoEncoderMsg_Encode_Params;
-struct AcceleratedVideoEncoderMsg_Encode_Params2;
-
 namespace base {
 class SharedMemory;
 }  // namespace base
 
 namespace content {
 
+struct VideoEncodeParams;
+struct VideoEncodeParams2;
+
 // This class encapsulates the GPU process view of a VideoEncodeAccelerator,
 // wrapping the platform-specific VideoEncodeAccelerator instance.  It handles
 // IPC coming in from the renderer and passes it to the underlying VEA.
 class GpuVideoEncodeAccelerator
     : public IPC::Listener,
       public media::VideoEncodeAccelerator::Client,
       public GpuCommandBufferStub::DestructionObserver {
  public:
   GpuVideoEncodeAccelerator(int32_t host_route_id, GpuCommandBufferStub* stub);
   ~GpuVideoEncodeAccelerator() override;
@@ skipping 31 matching lines @@
 
   // Return a set of VEA Create function pointers applicable to the current
   // platform.
   static std::vector<CreateVEAFp> CreateVEAFps();
   static scoped_ptr<media::VideoEncodeAccelerator> CreateV4L2VEA();
   static scoped_ptr<media::VideoEncodeAccelerator> CreateVaapiVEA();
   static scoped_ptr<media::VideoEncodeAccelerator> CreateAndroidVEA();
 
   // IPC handlers, proxying media::VideoEncodeAccelerator for the renderer
   // process.
-  void OnEncode(const AcceleratedVideoEncoderMsg_Encode_Params& params);
-  void OnEncode2(const AcceleratedVideoEncoderMsg_Encode_Params2& params);
+  void OnEncode(const VideoEncodeParams& params);
+  void OnEncode2(const VideoEncodeParams2& params);
   void OnUseOutputBitstreamBuffer(int32_t buffer_id,
                                   base::SharedMemoryHandle buffer_handle,
                                   uint32_t buffer_size);
   void OnRequestEncodingParametersChange(uint32_t bitrate, uint32_t framerate);
 
   void OnDestroy();
 
   void EncodeFrameFinished(int32_t frame_id,
                            scoped_ptr<base::SharedMemory> shm);
   void EncodeFrameFinished2(int32_t frame_id,
@@ skipping 22 matching lines @@
 
   // Weak pointer for media::VideoFrames that refer back to |this|.
   base::WeakPtrFactory<GpuVideoEncodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuVideoEncodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_GPU_VIDEO_ENCODE_ACCELERATOR_H_