media/formats/mp4/cenc.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 MEDIA_FORMATS_MP4_CENC_H_
   6 #define MEDIA_FORMATS_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) WARN_UNUSED_RESULT;
  25   bool GetTotalSizeOfSubsamples(size_t* total_size) const WARN_UNUSED_RESULT;
  26 };
  27
  28
  29 }  // namespace mp4
  30 }  // namespace media
  31
  32 #endif  // MEDIA_FORMATS_MP4_CENC_H_