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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 // MediaStreamProvider is used to capture media of the types defined in | 5 // MediaStreamProvider is used to capture media of the types defined in |
6 // MediaStreamType. There is only one MediaStreamProvider instance per media | 6 // MediaStreamType. There is only one MediaStreamProvider instance per media |
7 // type and a MediaStreamProvider instance can have only one registered | 7 // type and a MediaStreamProvider instance can have only one registered |
8 // listener. | 8 // listener. |
9 // The MediaStreamManager is expected to be called on Browser::IO thread and | 9 // The MediaStreamManager is expected to be called on Browser::IO thread and |
10 // the listener will be called on the same thread. | 10 // the listener will be called on the same thread. |
11 | 11 |
12 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ | 12 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ |
13 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ | 13 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ |
14 | 14 |
15 #include <list> | 15 #include <list> |
16 #include <string> | 16 #include <string> |
17 | 17 |
18 #include "base/memory/ref_counted.h" | 18 #include "base/memory/ref_counted.h" |
19 #include "content/common/content_export.h" | 19 #include "content/common/content_export.h" |
20 #include "content/common/media/media_stream_options.h" | 20 #include "content/common/media/media_stream_options.h" |
21 | 21 |
22 namespace base { | 22 namespace base { |
23 class MessageLoopProxy; | 23 class MessageLoopProxy; |
24 } | 24 } |
25 | 25 |
26 namespace media_stream { | 26 namespace content { |
27 | 27 |
28 enum MediaStreamProviderError { | 28 enum MediaStreamProviderError { |
29 kMediaStreamOk = 0, | 29 kMediaStreamOk = 0, |
30 kInvalidMediaStreamType, | 30 kInvalidMediaStreamType, |
31 kInvalidSession, | 31 kInvalidSession, |
32 kUnknownSession, | 32 kUnknownSession, |
33 kDeviceNotAvailable, | 33 kDeviceNotAvailable, |
34 kDeviceAlreadyInUse, | 34 kDeviceAlreadyInUse, |
35 kUnknownError | 35 kUnknownError |
36 }; | 36 }; |
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82 virtual int Open(const StreamDeviceInfo& device) = 0; | 82 virtual int Open(const StreamDeviceInfo& device) = 0; |
83 | 83 |
84 // Closes the specified device and calls |Closed| when done. | 84 // Closes the specified device and calls |Closed| when done. |
85 virtual void Close(int capture_session_id) = 0; | 85 virtual void Close(int capture_session_id) = 0; |
86 | 86 |
87 protected: | 87 protected: |
88 friend class base::RefCountedThreadSafe<MediaStreamProvider>; | 88 friend class base::RefCountedThreadSafe<MediaStreamProvider>; |
89 virtual ~MediaStreamProvider() {} | 89 virtual ~MediaStreamProvider() {} |
90 }; | 90 }; |
91 | 91 |
92 } // namespace media_stream | 92 } // namespace content |
93 | 93 |
94 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ | 94 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_PROVIDER_H_ |
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