Add offset support to BitstreamBuffer.

content/common/gpu/media/vaapi_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.
 //
 // This file contains an implementation of VideoDecoderAccelerator
 // that utilizes hardware video decoder present on Intel CPUs.
 
 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <list>
 #include <map>
 #include <queue>
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/linked_ptr.h"
-#include "base/memory/shared_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/synchronization/condition_variable.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "content/common/content_export.h"
+#include "content/common/gpu/media/shared_memory_region.h"
 #include "content/common/gpu/media/vaapi_wrapper.h"
 #include "media/base/bitstream_buffer.h"
 #include "media/video/picture.h"
 #include "media/video/video_decode_accelerator.h"
 
 namespace gl {
 class GLImage;
 }
 
 namespace content {
@@ skipping 163 matching lines @@
   // Protects input buffer and surface queues and state_.
   base::Lock lock_;
   State state_;
 
   // An input buffer awaiting consumption, provided by the client.
   struct InputBuffer {
     InputBuffer();
     ~InputBuffer();
 
     int32 id;
-    size_t size;
-    scoped_ptr<base::SharedMemory> shm;
+    scoped_ptr<SharedMemoryRegion> shm;
   };
 
   // Queue for incoming input buffers.
   typedef std::queue<linked_ptr<InputBuffer> > InputBuffers;
   InputBuffers input_buffers_;
   // Signalled when input buffers are queued onto the input_buffers_ queue.
   base::ConditionVariable input_ready_;
 
   // Current input buffer at decoder.
   linked_ptr<InputBuffer> curr_input_buffer_;
@@ skipping 86 matching lines @@
 
   // The WeakPtrFactory for |weak_this_|.
   base::WeakPtrFactory<VaapiVideoDecodeAccelerator> weak_this_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VaapiVideoDecodeAccelerator);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_VIDEO_DECODE_ACCELERATOR_H_