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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 // VideoCaptureHost serves video capture related messages from | 5 // VideoCaptureHost serves video capture related messages from |
6 // VideoCaptureMessageFilter which lives inside the render process. | 6 // VideoCaptureMessageFilter which lives inside the render process. |
7 // | 7 // |
8 // This class is owned by RenderProcessHostImpl, and instantiated on UI | 8 // This class is owned by RenderProcessHostImpl, and instantiated on UI |
9 // thread, but all other operations and method calls happen on IO thread. | 9 // thread, but all other operations and method calls happen on IO thread. |
10 // | 10 // |
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103 | 103 |
104 virtual ~VideoCaptureHost(); | 104 virtual ~VideoCaptureHost(); |
105 | 105 |
106 // IPC message: Start capture on the VideoCaptureDevice referenced by | 106 // IPC message: Start capture on the VideoCaptureDevice referenced by |
107 // VideoCaptureParams::session_id. |device_id| is an id created by | 107 // VideoCaptureParams::session_id. |device_id| is an id created by |
108 // VideoCaptureMessageFilter to identify a session | 108 // VideoCaptureMessageFilter to identify a session |
109 // between a VideoCaptureMessageFilter and a VideoCaptureHost. | 109 // between a VideoCaptureMessageFilter and a VideoCaptureHost. |
110 void OnStartCapture(int device_id, | 110 void OnStartCapture(int device_id, |
111 const media::VideoCaptureParams& params); | 111 const media::VideoCaptureParams& params); |
112 void OnControllerAdded( | 112 void OnControllerAdded( |
113 int device_id, const media::VideoCaptureParams& params, | 113 int device_id, |
114 const base::WeakPtr<VideoCaptureController>& controller); | 114 const base::WeakPtr<VideoCaptureController>& controller); |
115 void DoControllerAddedOnIOThread( | 115 void DoControllerAddedOnIOThread( |
116 int device_id, const media::VideoCaptureParams& params, | 116 int device_id, |
117 const base::WeakPtr<VideoCaptureController>& controller); | 117 const base::WeakPtr<VideoCaptureController>& controller); |
118 | 118 |
119 // IPC message: Stop capture on device referenced by |device_id|. | 119 // IPC message: Stop capture on device referenced by |device_id|. |
120 void OnStopCapture(int device_id); | 120 void OnStopCapture(int device_id); |
121 | 121 |
122 // IPC message: Pause capture on device referenced by |device_id|. | 122 // IPC message: Pause capture on device referenced by |device_id|. |
123 void OnPauseCapture(int device_id); | 123 void OnPauseCapture(int device_id); |
124 | 124 |
125 // IPC message: Receive an empty buffer from renderer. Send it to device | 125 // IPC message: Receive an empty buffer from renderer. Send it to device |
126 // referenced by |device_id|. | 126 // referenced by |device_id|. |
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161 // is connected. An entry in this map holds a null controller while it is in | 161 // is connected. An entry in this map holds a null controller while it is in |
162 // the process of starting. | 162 // the process of starting. |
163 EntryMap entries_; | 163 EntryMap entries_; |
164 | 164 |
165 DISALLOW_COPY_AND_ASSIGN(VideoCaptureHost); | 165 DISALLOW_COPY_AND_ASSIGN(VideoCaptureHost); |
166 }; | 166 }; |
167 | 167 |
168 } // namespace content | 168 } // namespace content |
169 | 169 |
170 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_HOST_H_ | 170 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_HOST_H_ |
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