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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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107 | 107 |
108 // Return a buffer with id |buffer_id| previously given in | 108 // Return a buffer with id |buffer_id| previously given in |
109 // VideoCaptureControllerEventHandler::OnBufferReady. In the case that the | 109 // VideoCaptureControllerEventHandler::OnBufferReady. In the case that the |
110 // buffer was backed by a texture, |sync_point| will be waited on before | 110 // buffer was backed by a texture, |sync_point| will be waited on before |
111 // destroying or recycling the texture, to synchronize with texture users in | 111 // destroying or recycling the texture, to synchronize with texture users in |
112 // the renderer process. If the consumer provided resource utilization | 112 // the renderer process. If the consumer provided resource utilization |
113 // feedback, this will be passed here (-1.0 indicates no feedback). | 113 // feedback, this will be passed here (-1.0 indicates no feedback). |
114 void ReturnBuffer(VideoCaptureControllerID id, | 114 void ReturnBuffer(VideoCaptureControllerID id, |
115 VideoCaptureControllerEventHandler* event_handler, | 115 VideoCaptureControllerEventHandler* event_handler, |
116 int buffer_id, | 116 int buffer_id, |
117 uint32 sync_point, | 117 const gpu::SyncToken& sync_token, |
118 double consumer_resource_utilization); | 118 double consumer_resource_utilization); |
119 | 119 |
120 const media::VideoCaptureFormat& GetVideoCaptureFormat() const; | 120 const media::VideoCaptureFormat& GetVideoCaptureFormat() const; |
121 | 121 |
122 bool has_received_frames() const { return has_received_frames_; } | 122 bool has_received_frames() const { return has_received_frames_; } |
123 | 123 |
124 // Worker functions on IO thread. Called by the VideoCaptureDeviceClient. | 124 // Worker functions on IO thread. Called by the VideoCaptureDeviceClient. |
125 virtual void DoIncomingCapturedVideoFrameOnIOThread( | 125 virtual void DoIncomingCapturedVideoFrameOnIOThread( |
126 scoped_ptr<media::VideoCaptureDevice::Client::Buffer> buffer, | 126 scoped_ptr<media::VideoCaptureDevice::Client::Buffer> buffer, |
127 const scoped_refptr<media::VideoFrame>& frame, | 127 const scoped_refptr<media::VideoFrame>& frame, |
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164 media::VideoCaptureFormat video_capture_format_; | 164 media::VideoCaptureFormat video_capture_format_; |
165 | 165 |
166 base::WeakPtrFactory<VideoCaptureController> weak_ptr_factory_; | 166 base::WeakPtrFactory<VideoCaptureController> weak_ptr_factory_; |
167 | 167 |
168 DISALLOW_COPY_AND_ASSIGN(VideoCaptureController); | 168 DISALLOW_COPY_AND_ASSIGN(VideoCaptureController); |
169 }; | 169 }; |
170 | 170 |
171 } // namespace content | 171 } // namespace content |
172 | 172 |
173 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_ | 173 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_ |
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