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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // Contains code that should be used for initializing, or querying the state | 5 // Contains code that should be used for initializing, or querying the state |
6 // of the media library as a whole. | 6 // of the media library as a whole. |
7 | 7 |
8 #ifndef MEDIA_BASE_MEDIA_H_ | 8 #ifndef MEDIA_BASE_MEDIA_H_ |
9 #define MEDIA_BASE_MEDIA_H_ | 9 #define MEDIA_BASE_MEDIA_H_ |
10 | 10 |
11 #include "media/base/media_export.h" | 11 #include "media/base/media_export.h" |
12 | 12 |
| 13 namespace base { |
13 class FilePath; | 14 class FilePath; |
| 15 } |
14 | 16 |
15 namespace media { | 17 namespace media { |
16 | 18 |
17 // Attempts to initialize the media library (loading DLLs, DSOs, etc.). | 19 // Attempts to initialize the media library (loading DLLs, DSOs, etc.). |
18 // | 20 // |
19 // If |module_dir| is the emptry string, then the system default library paths | 21 // If |module_dir| is the emptry string, then the system default library paths |
20 // are searched for the dynamic libraries. If a |module_dir| is provided, then | 22 // are searched for the dynamic libraries. If a |module_dir| is provided, then |
21 // only the specified |module_dir| will be searched for the dynamic libraries. | 23 // only the specified |module_dir| will be searched for the dynamic libraries. |
22 // | 24 // |
23 // If multiple initializations are attempted with different |module_dir|s | 25 // If multiple initializations are attempted with different |module_dir|s |
24 // specified then the first one to succeed remains effective for the lifetime | 26 // specified then the first one to succeed remains effective for the lifetime |
25 // of the process. | 27 // of the process. |
26 // | 28 // |
27 // Returns true if everything was successfully initialized, false otherwise. | 29 // Returns true if everything was successfully initialized, false otherwise. |
28 MEDIA_EXPORT bool InitializeMediaLibrary(const FilePath& module_dir); | 30 MEDIA_EXPORT bool InitializeMediaLibrary(const base::FilePath& module_dir); |
29 | 31 |
30 // Helper function for unit tests to avoid boiler plate code everywhere. This | 32 // Helper function for unit tests to avoid boiler plate code everywhere. This |
31 // function will crash if it fails to load the media library. This ensures tests | 33 // function will crash if it fails to load the media library. This ensures tests |
32 // fail if the media library is not available. | 34 // fail if the media library is not available. |
33 MEDIA_EXPORT void InitializeMediaLibraryForTesting(); | 35 MEDIA_EXPORT void InitializeMediaLibraryForTesting(); |
34 | 36 |
35 // Use this if you need to check whether the media library is initialized | 37 // Use this if you need to check whether the media library is initialized |
36 // for the this process, without actually trying to initialize it. | 38 // for the this process, without actually trying to initialize it. |
37 MEDIA_EXPORT bool IsMediaLibraryInitialized(); | 39 MEDIA_EXPORT bool IsMediaLibraryInitialized(); |
38 | 40 |
39 } // namespace media | 41 } // namespace media |
40 | 42 |
41 #endif // MEDIA_BASE_MEDIA_H_ | 43 #endif // MEDIA_BASE_MEDIA_H_ |
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