media: VideoFrame: add offset for shared memory buffers

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"
@@ skipping 61 matching lines @@
   // 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 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);
@@ 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_