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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 "media/base/media_switches.h" | 5 #include "media/base/media_switches.h" |
6 | 6 |
7 namespace switches { | 7 namespace switches { |
8 | 8 |
9 // Allow users to specify a custom buffer size for debugging purpose. | 9 // Allow users to specify a custom buffer size for debugging purpose. |
10 const char kAudioBufferSize[] = "audio-buffer-size"; | 10 const char kAudioBufferSize[] = "audio-buffer-size"; |
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33 #endif | 33 #endif |
34 | 34 |
35 #if defined(OS_MACOSX) | 35 #if defined(OS_MACOSX) |
36 // AVFoundation is available in versions 10.7 and onwards, and is to be used | 36 // AVFoundation is available in versions 10.7 and onwards, and is to be used |
37 // http://crbug.com/288562 for both audio and video device monitoring and for | 37 // http://crbug.com/288562 for both audio and video device monitoring and for |
38 // video capture. Being a dynamically loaded NSBundle and library, it hits the | 38 // video capture. Being a dynamically loaded NSBundle and library, it hits the |
39 // Chrome startup time (http://crbug.com/311325 and http://crbug.com/311437); | 39 // Chrome startup time (http://crbug.com/311325 and http://crbug.com/311437); |
40 // for experimentation purposes, in particular library load time issue, the | 40 // for experimentation purposes, in particular library load time issue, the |
41 // usage of this library can be enabled by using this flag. | 41 // usage of this library can be enabled by using this flag. |
42 const char kEnableAVFoundation[] = "enable-avfoundation"; | 42 const char kEnableAVFoundation[] = "enable-avfoundation"; |
43 | |
44 // QTKit is the media capture API predecessor to AVFoundation, available up and | 43 // QTKit is the media capture API predecessor to AVFoundation, available up and |
45 // until Mac OS X 10.9 (despite being deprecated in this last one). This flag | 44 // until Mac OS X 10.9 (despite being deprecated in this last one). This flag |
46 // is used for troubleshooting and testing, and forces QTKit in builds and | 45 // is used for troubleshooting and testing, and forces QTKit in builds and |
47 // configurations where AVFoundation would be used otherwise. | 46 // configurations where AVFoundation would be used otherwise. |
48 const char kForceQTKit[] = "force-qtkit"; | 47 const char kForceQTKit[] = "force-qtkit"; |
49 #endif | 48 #endif |
50 | 49 |
51 #if defined(OS_WIN) | 50 #if defined(OS_WIN) |
52 // Use exclusive mode audio streaming for Windows Vista and higher. | 51 // Use exclusive mode audio streaming for Windows Vista and higher. |
53 // Leads to lower latencies for audio streams which uses the | 52 // Leads to lower latencies for audio streams which uses the |
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79 | 78 |
80 // Number of buffers to use for WaveOut. | 79 // Number of buffers to use for WaveOut. |
81 const char kWaveOutBuffers[] = "waveout-buffers"; | 80 const char kWaveOutBuffers[] = "waveout-buffers"; |
82 #endif | 81 #endif |
83 | 82 |
84 #if defined(USE_CRAS) | 83 #if defined(USE_CRAS) |
85 // Use CRAS, the ChromeOS audio server. | 84 // Use CRAS, the ChromeOS audio server. |
86 const char kUseCras[] = "use-cras"; | 85 const char kUseCras[] = "use-cras"; |
87 #endif | 86 #endif |
88 | 87 |
89 // Use fake device for Media Stream to replace actual camera and microphone. | |
90 const char kUseFakeDeviceForMediaStream[] = "use-fake-device-for-media-stream"; | |
91 | |
92 // Use a raw video file as fake video capture device. | 88 // Use a raw video file as fake video capture device. |
93 const char kUseFileForFakeVideoCapture[] = "use-file-for-fake-video-capture"; | 89 const char kUseFileForFakeVideoCapture[] = "use-file-for-fake-video-capture"; |
94 | 90 |
95 } // namespace switches | 91 } // namespace switches |
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