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      1 // Copyright (c) 2012 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 MEDIA_MP4_CENC_H_
      6 #define MEDIA_MP4_CENC_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/basictypes.h"
     11 #include "media/base/decrypt_config.h"
     12 
     13 namespace media {
     14 namespace mp4 {
     15 
     16 class BufferReader;
     17 
     18 struct FrameCENCInfo {
     19   uint8 iv[16];
     20   std::vector<SubsampleEntry> subsamples;
     21 
     22   FrameCENCInfo();
     23   ~FrameCENCInfo();
     24   bool Parse(int iv_size, BufferReader* r);
     25   size_t GetTotalSizeOfSubsamples() const;
     26 };
     27 
     28 
     29 }  // namespace mp4
     30 }  // namespace media
     31 
     32 #endif  // MEDIA_MP4_CENC_H_
     33