chromecast/common/media/shared_memory_chunk.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_COMMON_MEDIA_SHARED_MEMORY_CHUNK_H_
   6 #define CHROMECAST_COMMON_MEDIA_SHARED_MEMORY_CHUNK_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chromecast/media/cma/ipc/media_memory_chunk.h"
  11
  12 namespace base {
  13 class SharedMemory;
  14 }
  15
  16 namespace chromecast {
  17 namespace media {
  18
  19 class SharedMemoryChunk : public MediaMemoryChunk {
  20  public:
  21   SharedMemoryChunk(scoped_ptr<base::SharedMemory> shared_mem,
  22                     size_t size);
  23   ~SharedMemoryChunk() override;
  24
  25   // MediaMemoryChunk implementation.
  26   void* data() const override;
  27   size_t size() const override;
  28   bool valid() const override;
  29
  30  private:
  31   scoped_ptr<base::SharedMemory> shared_mem_;
  32   size_t size_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(SharedMemoryChunk);
  35 };
  36
  37 }  // namespace media
  38 }  // namespace chromecast
  39
  40 #endif  // CHROMECAST_COMMON_MEDIA_SHARED_MEMORY_CHUNK_H_