| // 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. |
| |
| // Contains code that should be used for initializing, or querying the state |
| // of the media library as a whole. |
| |
| #ifndef MEDIA_BASE_MEDIA_H_ |
| #define MEDIA_BASE_MEDIA_H_ |
| |
| #include "media/base/media_export.h" |
| |
| class FilePath; |
| |
| namespace media { |
| |
| // Attempts to initialize the media library (loading DLLs, DSOs, etc.). |
| // |
| // If |module_dir| is the emptry string, then the system default library paths |
| // are searched for the dynamic libraries. If a |module_dir| is provided, then |
| // only the specified |module_dir| will be searched for the dynamic libraries. |
| // |
| // If multiple initializations are attempted with different |module_dir|s |
| // specified then the first one to succeed remains effective for the lifetime |
| // of the process. |
| // |
| // Returns true if everything was successfully initialized, false otherwise. |
| MEDIA_EXPORT bool InitializeMediaLibrary(const FilePath& module_dir); |
| |
| // Helper function for unit tests to avoid boiler plate code everywhere. This |
| // function will crash if it fails to load the media library. This ensures tests |
| // fail if the media library is not available. |
| MEDIA_EXPORT void InitializeMediaLibraryForTesting(); |
| |
| // Use this if you need to check whether the media library is initialized |
| // for the this process, without actually trying to initialize it. |
| MEDIA_EXPORT bool IsMediaLibraryInitialized(); |
| |
| } // namespace media |
| |
| #endif // MEDIA_BASE_MEDIA_H_ |
