Passing Native Texture backed Video Frame from Renderer to GPU process

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 <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
+#include "gpu/command_buffer/common/mailbox_holder.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"
 
 namespace base {
 
 class SharedMemory;
 
 }  // namespace base
@@ skipping 44 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(int32 frame_id,
-                base::SharedMemoryHandle buffer_handle,
-                uint32 buffer_offset,
-                uint32 buffer_size,
-                bool force_keyframe);
+  void OnEncodeSharedMemory(int32 frame_id,
+                            base::SharedMemoryHandle buffer_handle,
+                            uint32 buffer_offset,
+                            uint32 buffer_size,
+                            bool force_keyframe);
+  void OnEncodeNativeTexture(int32 frame_id,
+                             gpu::MailboxHolder buffer_handle,
+                             bool force_keyframe);
   void OnUseOutputBitstreamBuffer(int32 buffer_id,
                                   base::SharedMemoryHandle buffer_handle,
                                   uint32 buffer_size);
   void OnRequestEncodingParametersChange(uint32 bitrate, uint32 framerate);
 
   void OnDestroy();
 
   void EncodeFrameFinished(int32 frame_id, scoped_ptr<base::SharedMemory> shm);

[magjed_chromium, 2015/06/03 08:40:00]

Maybe rename this function to EncodeSharedMemoryFrameFinished to be consistent
with the other function names?

[Pawel Osciak, 2015/06/03 10:28:56]

+1.

[emircan, 2015/06/03 20:56:12]

Done.

 
+  void EncodeNativeTextureFrameFinished(int32 frame_id);
+
   void Send(IPC::Message* message);
   // Helper for replying to the creation request.
   void SendCreateEncoderReply(IPC::Message* message, bool succeeded);
 
   // Route ID to communicate with the host.
   int32 host_route_id_;
 
   // Unowned pointer to the underlying GpuCommandBufferStub.  |this| is
   // registered as a DestuctionObserver of |stub_| and will self-delete when
   // |stub_| is destroyed.
@@ skipping 11 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_