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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 // VideoCaptureController is the glue between a VideoCaptureDevice and all | 5 // VideoCaptureController is the glue between a VideoCaptureDevice and all |
6 // VideoCaptureHosts that have connected to it. A controller exists on behalf of | 6 // VideoCaptureHosts that have connected to it. A controller exists on behalf of |
7 // one (and only one) VideoCaptureDevice; both are owned by the | 7 // one (and only one) VideoCaptureDevice; both are owned by the |
8 // VideoCaptureManager. | 8 // VideoCaptureManager. |
9 // | 9 // |
10 // The VideoCaptureController is responsible for: | 10 // The VideoCaptureController is responsible for: |
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110 // Return a buffer with id |buffer_id| previously given in | 110 // Return a buffer with id |buffer_id| previously given in |
111 // VideoCaptureControllerEventHandler::OnBufferReady. In the case that the | 111 // VideoCaptureControllerEventHandler::OnBufferReady. In the case that the |
112 // buffer was backed by a texture, |sync_point| will be waited on before | 112 // buffer was backed by a texture, |sync_point| will be waited on before |
113 // destroying or recycling the texture, to synchronize with texture users in | 113 // destroying or recycling the texture, to synchronize with texture users in |
114 // the renderer process. If the consumer provided resource utilization | 114 // the renderer process. If the consumer provided resource utilization |
115 // feedback, this will be passed here (-1.0 indicates no feedback). | 115 // feedback, this will be passed here (-1.0 indicates no feedback). |
116 void ReturnBuffer(VideoCaptureControllerID id, | 116 void ReturnBuffer(VideoCaptureControllerID id, |
117 VideoCaptureControllerEventHandler* event_handler, | 117 VideoCaptureControllerEventHandler* event_handler, |
118 int buffer_id, | 118 int buffer_id, |
119 uint32 sync_point, | 119 uint32 sync_point, |
| 120 const gpu::SyncToken& sync_token, |
120 double consumer_resource_utilization); | 121 double consumer_resource_utilization); |
121 | 122 |
122 const media::VideoCaptureFormat& GetVideoCaptureFormat() const; | 123 const media::VideoCaptureFormat& GetVideoCaptureFormat() const; |
123 | 124 |
124 bool has_received_frames() const { return has_received_frames_; } | 125 bool has_received_frames() const { return has_received_frames_; } |
125 | 126 |
126 // Worker functions on IO thread. Called by the VideoCaptureDeviceClient. | 127 // Worker functions on IO thread. Called by the VideoCaptureDeviceClient. |
127 virtual void DoIncomingCapturedVideoFrameOnIOThread( | 128 virtual void DoIncomingCapturedVideoFrameOnIOThread( |
128 scoped_ptr<media::VideoCaptureDevice::Client::Buffer> buffer, | 129 scoped_ptr<media::VideoCaptureDevice::Client::Buffer> buffer, |
129 const scoped_refptr<media::VideoFrame>& frame, | 130 const scoped_refptr<media::VideoFrame>& frame, |
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161 media::VideoCaptureFormat video_capture_format_; | 162 media::VideoCaptureFormat video_capture_format_; |
162 | 163 |
163 base::WeakPtrFactory<VideoCaptureController> weak_ptr_factory_; | 164 base::WeakPtrFactory<VideoCaptureController> weak_ptr_factory_; |
164 | 165 |
165 DISALLOW_COPY_AND_ASSIGN(VideoCaptureController); | 166 DISALLOW_COPY_AND_ASSIGN(VideoCaptureController); |
166 }; | 167 }; |
167 | 168 |
168 } // namespace content | 169 } // namespace content |
169 | 170 |
170 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_ | 171 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_ |
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