| // Copyright 2015 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_CDM_CENC_UTILS_H_ |
| #define MEDIA_CDM_CENC_UTILS_H_ |
| |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "media/base/media_export.h" |
| #include "media/cdm/json_web_key.h" |
| |
| namespace media { |
| |
| // Validate that |input| is a set of concatenated 'pssh' boxes and the sizes |
| // match. Returns true if |input| looks valid, false otherwise. |
| MEDIA_EXPORT bool ValidatePsshInput(const std::vector<uint8_t>& input); |
| |
| // Gets the Key Ids from a 'pssh' box for the Common SystemID among one or |
| // more concatenated 'pssh' boxes. If |input| looks valid, then true is |
| // returned and |key_ids| is updated to contain the values found. Otherwise |
| // return false. |
| // TODO(jrummell): This returns true if no Common SystemID 'pssh' boxes are |
| // found, or are included but don't contain any key IDs. This should be |
| // fixed once the test files are updated to include correct 'pssh' boxes. |
| // http://crbug.com/460308 |
| MEDIA_EXPORT bool GetKeyIdsForCommonSystemId(const std::vector<uint8_t>& input, |
| KeyIdList* key_ids); |
| |
| } // namespace media |
| |
| #endif // MEDIA_CDM_CENC_UTILS_H_ |
