| // 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_BASE_MEDIA_UTIL_H_ |
| #define MEDIA_BASE_MEDIA_UTIL_H_ |
| |
| #include <stdint.h> |
| #include <vector> |
| |
| #include "media/base/encryption_scheme.h" |
| #include "media/base/media_export.h" |
| |
| namespace media { |
| |
| // Simply returns an empty vector. {Audio|Video}DecoderConfig are often |
| // constructed with empty extra data. |
| MEDIA_EXPORT std::vector<uint8_t> EmptyExtraData(); |
| |
| // The following helper functions return new instances of EncryptionScheme that |
| // indicate widely used settings. |
| MEDIA_EXPORT EncryptionScheme Unencrypted(); |
| MEDIA_EXPORT EncryptionScheme AesCtrEncryptionScheme(); |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_MEDIA_UTIL_H_ |
