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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "media/base/media.h" | 5 #include "media/base/media.h" |
6 | 6 |
7 #include "base/files/file_path.h" | 7 #include "base/files/file_path.h" |
8 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
9 #include "base/path_service.h" | 9 #include "base/path_service.h" |
10 #include "base/synchronization/lock.h" | 10 #include "base/synchronization/lock.h" |
11 #include "build/build_config.h" | 11 #include "build/build_config.h" |
12 #include "media/base/sinc_resampler.h" | |
13 #include "media/base/vector_math.h" | |
14 #include "media/base/yuv_convert.h" | 12 #include "media/base/yuv_convert.h" |
15 | 13 |
16 namespace media { | 14 namespace media { |
17 | 15 |
18 namespace internal { | 16 namespace internal { |
19 // Platform specific initialization method. | 17 // Platform specific initialization method. |
20 extern bool InitializeMediaLibraryInternal(const base::FilePath& module_dir); | 18 extern bool InitializeMediaLibraryInternal(const base::FilePath& module_dir); |
21 } // namespace internal | 19 } // namespace internal |
22 | 20 |
23 // Media must only be initialized once, so use a LazyInstance to ensure this. | 21 // Media must only be initialized once, so use a LazyInstance to ensure this. |
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37 return initialized_; | 35 return initialized_; |
38 } | 36 } |
39 | 37 |
40 private: | 38 private: |
41 friend struct base::DefaultLazyInstanceTraits<MediaInitializer>; | 39 friend struct base::DefaultLazyInstanceTraits<MediaInitializer>; |
42 | 40 |
43 MediaInitializer() | 41 MediaInitializer() |
44 : initialized_(false), | 42 : initialized_(false), |
45 tried_initialize_(false) { | 43 tried_initialize_(false) { |
46 // Perform initialization of libraries which require runtime CPU detection. | 44 // Perform initialization of libraries which require runtime CPU detection. |
47 // TODO(dalecurtis): Add initialization of YUV, SincResampler. | |
48 vector_math::Initialize(); | |
49 SincResampler::InitializeCPUSpecificFeatures(); | |
50 InitializeCPUSpecificYUVConversions(); | 45 InitializeCPUSpecificYUVConversions(); |
51 } | 46 } |
52 | 47 |
53 ~MediaInitializer() { | 48 ~MediaInitializer() { |
54 NOTREACHED() << "MediaInitializer should be leaky!"; | 49 NOTREACHED() << "MediaInitializer should be leaky!"; |
55 } | 50 } |
56 | 51 |
57 base::Lock lock_; | 52 base::Lock lock_; |
58 bool initialized_; | 53 bool initialized_; |
59 bool tried_initialize_; | 54 bool tried_initialize_; |
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77 bool IsMediaLibraryInitialized() { | 72 bool IsMediaLibraryInitialized() { |
78 return g_media_library.Get().IsInitialized(); | 73 return g_media_library.Get().IsInitialized(); |
79 } | 74 } |
80 | 75 |
81 void InitializeCPUSpecificMediaFeatures() { | 76 void InitializeCPUSpecificMediaFeatures() { |
82 // Force initialization of the media initializer, but don't call Initialize(). | 77 // Force initialization of the media initializer, but don't call Initialize(). |
83 g_media_library.Get(); | 78 g_media_library.Get(); |
84 } | 79 } |
85 | 80 |
86 } // namespace media | 81 } // namespace media |
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