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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 #include "build/build_config.h" | 5 #include "build/build_config.h" |
6 #include "media/base/media_switches.h" | 6 #include "media/base/media_switches.h" |
7 | 7 |
8 namespace switches { | 8 namespace switches { |
9 | 9 |
10 // Allow users to specify a custom buffer size for debugging purpose. | 10 // Allow users to specify a custom buffer size for debugging purpose. |
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59 | 59 |
60 // Number of buffers to use for WaveOut. | 60 // Number of buffers to use for WaveOut. |
61 const char kWaveOutBuffers[] = "waveout-buffers"; | 61 const char kWaveOutBuffers[] = "waveout-buffers"; |
62 #endif | 62 #endif |
63 | 63 |
64 #if defined(USE_CRAS) | 64 #if defined(USE_CRAS) |
65 // Use CRAS, the ChromeOS audio server. | 65 // Use CRAS, the ChromeOS audio server. |
66 const char kUseCras[] = "use-cras"; | 66 const char kUseCras[] = "use-cras"; |
67 #endif | 67 #endif |
68 | 68 |
69 #if !defined(OS_ANDROID) | 69 #if !defined(OS_ANDROID) || defined(ENABLE_PLUGINS) |
70 // Use a media session for each tabs in a way that two tabs can't play on top of | 70 // Use a media session for each tabs in a way that two tabs can't play on top of |
71 // each other. This is different from the Media Session API as it is enabling a | 71 // each other. This is different from the Media Session API as it is enabling a |
72 // default behaviour for the browser. | 72 // default behaviour for the browser. The allowed values are: "" (empty), |
| 73 // |kEnableDefaultMediaSessionWithFlash|. |
73 const char kEnableDefaultMediaSession[] = "enable-default-media-session"; | 74 const char kEnableDefaultMediaSession[] = "enable-default-media-session"; |
74 #endif | 75 #endif // !defined(OS_ANDROID) || defined(ENABLE_PLUGINS) |
| 76 |
| 77 #if defined(ENABLE_PLUGINS) |
| 78 // This value is used as an option for |kEnableDefaultMediaSession|. |
| 79 const char kEnableDefaultMediaSessionWithFlash[] = "with-flash"; |
| 80 #endif // defined(ENABLE_PLUGINS) |
75 | 81 |
76 // Use fake device for Media Stream to replace actual camera and microphone. | 82 // Use fake device for Media Stream to replace actual camera and microphone. |
77 const char kUseFakeDeviceForMediaStream[] = "use-fake-device-for-media-stream"; | 83 const char kUseFakeDeviceForMediaStream[] = "use-fake-device-for-media-stream"; |
78 | 84 |
79 // Use an .y4m file to play as the webcam. See the comments in | 85 // Use an .y4m file to play as the webcam. See the comments in |
80 // media/capture/video/file_video_capture_device.h for more details. | 86 // media/capture/video/file_video_capture_device.h for more details. |
81 const char kUseFileForFakeVideoCapture[] = "use-file-for-fake-video-capture"; | 87 const char kUseFileForFakeVideoCapture[] = "use-file-for-fake-video-capture"; |
82 | 88 |
83 // Play a .wav file as the microphone. Note that for WebRTC calls we'll treat | 89 // Play a .wav file as the microphone. Note that for WebRTC calls we'll treat |
84 // the bits as if they came from the microphone, which means you should disable | 90 // the bits as if they came from the microphone, which means you should disable |
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121 } // namespace switches | 127 } // namespace switches |
122 | 128 |
123 namespace media { | 129 namespace media { |
124 | 130 |
125 #if defined(OS_WIN) | 131 #if defined(OS_WIN) |
126 // Enables H264 HW encode acceleration using Media Foundation for Windows. | 132 // Enables H264 HW encode acceleration using Media Foundation for Windows. |
127 const base::Feature kMediaFoundationH264Encoding{ | 133 const base::Feature kMediaFoundationH264Encoding{ |
128 "MediaFoundationH264Encoding", base::FEATURE_DISABLED_BY_DEFAULT}; | 134 "MediaFoundationH264Encoding", base::FEATURE_DISABLED_BY_DEFAULT}; |
129 #endif // defined(OS_WIN) | 135 #endif // defined(OS_WIN) |
130 | 136 |
131 #if defined(ENABLE_PLUGINS) | |
132 // Let flash join and be controlled by media session, only valid when | |
133 // |kEnableDefaultMediaSession| is on. | |
134 const base::Feature kFlashJoinsMediaSession{"FlashJoinsMediaSession", | |
135 base::FEATURE_DISABLED_BY_DEFAULT}; | |
136 #endif // defined(ENABLE_PLUGINS) | |
137 | |
138 // Use new audio rendering mixer. | 137 // Use new audio rendering mixer. |
139 const base::Feature kNewAudioRenderingMixingStrategy{ | 138 const base::Feature kNewAudioRenderingMixingStrategy{ |
140 "NewAudioRenderingMixingStrategy", base::FEATURE_DISABLED_BY_DEFAULT}; | 139 "NewAudioRenderingMixingStrategy", base::FEATURE_DISABLED_BY_DEFAULT}; |
141 | 140 |
142 // Only used for disabling overlay fullscreen (aka SurfaceView) in Clank. | 141 // Only used for disabling overlay fullscreen (aka SurfaceView) in Clank. |
143 const base::Feature kOverlayFullscreenVideo{"overlay-fullscreen-video", | 142 const base::Feature kOverlayFullscreenVideo{"overlay-fullscreen-video", |
144 base::FEATURE_ENABLED_BY_DEFAULT}; | 143 base::FEATURE_ENABLED_BY_DEFAULT}; |
145 | 144 |
146 // Let videos be resumed via remote controls (for example, the notification) | 145 // Let videos be resumed via remote controls (for example, the notification) |
147 // when in background. | 146 // when in background. |
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168 const base::Feature kExternalClearKeyForTesting{ | 167 const base::Feature kExternalClearKeyForTesting{ |
169 "external-clear-key-for-testing", base::FEATURE_DISABLED_BY_DEFAULT}; | 168 "external-clear-key-for-testing", base::FEATURE_DISABLED_BY_DEFAULT}; |
170 | 169 |
171 #if defined(OS_ANDROID) | 170 #if defined(OS_ANDROID) |
172 // Replaces WPMA by the MediaPlayerRenderer for HLS and fallback playback. | 171 // Replaces WPMA by the MediaPlayerRenderer for HLS and fallback playback. |
173 const base::Feature kAndroidMediaPlayerRenderer{ | 172 const base::Feature kAndroidMediaPlayerRenderer{ |
174 "android-media-player-renderer", base::FEATURE_DISABLED_BY_DEFAULT}; | 173 "android-media-player-renderer", base::FEATURE_DISABLED_BY_DEFAULT}; |
175 #endif | 174 #endif |
176 | 175 |
177 } // namespace media | 176 } // namespace media |
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