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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 // AVFoundation API is only introduced in Mac OS X > 10.6, and there is only one | 5 // AVFoundation API is only introduced in Mac OS X > 10.6, and there is only one |
6 // build of Chromium, so the (potential) linking with AVFoundation has to happen | 6 // build of Chromium, so the (potential) linking with AVFoundation has to happen |
7 // in runtime. For this to be clean, an AVFoundationGlue class is defined to try | 7 // in runtime. For this to be clean, an AVFoundationGlue class is defined to try |
8 // and load these AVFoundation system libraries. If it succeeds, subsequent | 8 // and load these AVFoundation system libraries. If it succeeds, subsequent |
9 // clients can use AVFoundation via the rest of the classes declared in this | 9 // clients can use AVFoundation via the rest of the classes declared in this |
10 // file. | 10 // file. |
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21 #include "base/macros.h" | 21 #include "base/macros.h" |
22 #include "media/base/mac/coremedia_glue.h" | 22 #include "media/base/mac/coremedia_glue.h" |
23 #include "media/base/media_export.h" | 23 #include "media/base/media_export.h" |
24 | 24 |
25 class MEDIA_EXPORT AVFoundationGlue { | 25 class MEDIA_EXPORT AVFoundationGlue { |
26 public: | 26 public: |
27 // Must be called on the UI thread prior to attempting to use any other | 27 // Must be called on the UI thread prior to attempting to use any other |
28 // AVFoundation methods. | 28 // AVFoundation methods. |
29 static void InitializeAVFoundation(); | 29 static void InitializeAVFoundation(); |
30 | 30 |
31 // This method returns true if the OS version supports AVFoundation and the | |
32 // AVFoundation bundle could be loaded correctly, or false otherwise. | |
33 static bool IsAVFoundationSupported(); | |
34 | |
35 #if defined(__OBJC__) | 31 #if defined(__OBJC__) |
36 static NSBundle const* AVFoundationBundle(); | 32 static NSBundle const* AVFoundationBundle(); |
37 | 33 |
38 // Originally coming from AVCaptureDevice.h but in global namespace. | 34 // Originally coming from AVCaptureDevice.h but in global namespace. |
39 static NSString* AVCaptureDeviceWasConnectedNotification(); | 35 static NSString* AVCaptureDeviceWasConnectedNotification(); |
40 static NSString* AVCaptureDeviceWasDisconnectedNotification(); | 36 static NSString* AVCaptureDeviceWasDisconnectedNotification(); |
41 | 37 |
42 // Originally coming from AVMediaFormat.h but in global namespace. | 38 // Originally coming from AVMediaFormat.h but in global namespace. |
43 static NSString* AVMediaTypeVideo(); | 39 static NSString* AVMediaTypeVideo(); |
44 static NSString* AVMediaTypeAudio(); | 40 static NSString* AVMediaTypeAudio(); |
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175 @interface AVCaptureDeviceInputGlue : NSObject | 171 @interface AVCaptureDeviceInputGlue : NSObject |
176 | 172 |
177 + (CrAVCaptureDeviceInput*)deviceInputWithDevice:(CrAVCaptureDevice*)device | 173 + (CrAVCaptureDeviceInput*)deviceInputWithDevice:(CrAVCaptureDevice*)device |
178 error:(NSError**)outError; | 174 error:(NSError**)outError; |
179 | 175 |
180 @end | 176 @end |
181 | 177 |
182 #endif // defined(__OBJC__) | 178 #endif // defined(__OBJC__) |
183 | 179 |
184 #endif // MEDIA_BASE_MAC_AVFOUNDATION_GLUE_H_ | 180 #endif // MEDIA_BASE_MAC_AVFOUNDATION_GLUE_H_ |
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