|  | // 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. | 
|  |  | 
|  | #ifndef MEDIA_MP4_CENC_H_ | 
|  | #define MEDIA_MP4_CENC_H_ | 
|  |  | 
|  | #include <vector> | 
|  |  | 
|  | #include "base/basictypes.h" | 
|  | #include "media/base/decrypt_config.h" | 
|  |  | 
|  | namespace media { | 
|  | namespace mp4 { | 
|  |  | 
|  | class BufferReader; | 
|  |  | 
|  | struct FrameCENCInfo { | 
|  | uint8 iv[16]; | 
|  | std::vector<SubsampleEntry> subsamples; | 
|  |  | 
|  | FrameCENCInfo(); | 
|  | ~FrameCENCInfo(); | 
|  | bool Parse(int iv_size, BufferReader* r) WARN_UNUSED_RESULT; | 
|  | bool GetTotalSizeOfSubsamples(size_t* total_size) const WARN_UNUSED_RESULT; | 
|  | }; | 
|  |  | 
|  |  | 
|  | }  // namespace mp4 | 
|  | }  // namespace media | 
|  |  | 
|  | #endif  // MEDIA_MP4_CENC_H_ |