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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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