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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_CDM_CENC_UTILS_H_ | 5 #ifndef MEDIA_CDM_CENC_UTILS_H_ |
| 6 #define MEDIA_CDM_CENC_UTILS_H_ | 6 #define MEDIA_CDM_CENC_UTILS_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "media/base/media_export.h" | 11 #include "media/base/media_export.h" |
| 12 #include "media/cdm/json_web_key.h" |
| 12 | 13 |
| 13 namespace media { | 14 namespace media { |
| 14 | 15 |
| 15 // Validate that |input| is a set of concatenated 'pssh' boxes and the sizes | 16 // Validate that |input| is a set of concatenated 'pssh' boxes and the sizes |
| 16 // match. Returns true if |input| looks valid, false otherwise. | 17 // match. Returns true if |input| looks valid, false otherwise. |
| 17 MEDIA_EXPORT bool ValidatePsshInput(const uint8* input, size_t input_length); | 18 MEDIA_EXPORT bool ValidatePsshInput(const std::vector<uint8_t>& input); |
| 18 | 19 |
| 19 // Gets the Key Ids from a 'pssh' box for the Common SystemID among one or | 20 // Gets the Key Ids from a 'pssh' box for the Common SystemID among one or |
| 20 // more concatenated 'pssh' boxes. If |input| looks valid, then true is | 21 // more concatenated 'pssh' boxes. If |input| looks valid, then true is |
| 21 // returned and |key_ids| is updated to contain the values found. Otherwise | 22 // returned and |key_ids| is updated to contain the values found. Otherwise |
| 22 // return false. | 23 // return false. |
| 23 // TODO(jrummell): This returns true if no Common SystemID 'pssh' boxes are | 24 // TODO(jrummell): This returns true if no Common SystemID 'pssh' boxes are |
| 24 // found, or are included but don't contain any key IDs. This should be | 25 // found, or are included but don't contain any key IDs. This should be |
| 25 // fixed once the test files are updated to include correct 'pssh' boxes. | 26 // fixed once the test files are updated to include correct 'pssh' boxes. |
| 26 // http://crbug.com/460308 | 27 // http://crbug.com/460308 |
| 27 MEDIA_EXPORT bool GetKeyIdsForCommonSystemId( | 28 MEDIA_EXPORT bool GetKeyIdsForCommonSystemId(const std::vector<uint8_t>& input, |
| 28 const uint8* input, | 29 KeyIdList* key_ids); |
| 29 int input_length, | |
| 30 std::vector<std::vector<uint8>>* key_ids); | |
| 31 | 30 |
| 32 } // namespace media | 31 } // namespace media |
| 33 | 32 |
| 34 #endif // MEDIA_CDM_CENC_UTILS_H_ | 33 #endif // MEDIA_CDM_CENC_UTILS_H_ |
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