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1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2015 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 #include "media/capture/content/animated_content_sampler.h" | 5 #include "media/capture/content/animated_content_sampler.h" |
6 | 6 |
| 7 #include <stddef.h> |
| 8 #include <stdint.h> |
| 9 |
7 #include <algorithm> | 10 #include <algorithm> |
8 | 11 |
9 namespace media { | 12 namespace media { |
10 | 13 |
11 namespace { | 14 namespace { |
12 | 15 |
13 // These specify the minimum/maximum amount of recent event history to examine | 16 // These specify the minimum/maximum amount of recent event history to examine |
14 // to detect animated content. If the values are too low, there is a greater | 17 // to detect animated content. If the values are too low, there is a greater |
15 // risk of false-positive detections and low accuracy. If they are too high, | 18 // risk of false-positive detections and low accuracy. If they are too high, |
16 // the the implementation will be slow to lock-in/out, and also will not react | 19 // the the implementation will be slow to lock-in/out, and also will not react |
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284 } else { | 287 } else { |
285 sampling_period = (ratio + 1) * animation_period; | 288 sampling_period = (ratio + 1) * animation_period; |
286 } | 289 } |
287 } else { | 290 } else { |
288 sampling_period = animation_period; | 291 sampling_period = animation_period; |
289 } | 292 } |
290 return std::max(sampling_period, min_capture_period); | 293 return std::max(sampling_period, min_capture_period); |
291 } | 294 } |
292 | 295 |
293 } // namespace media | 296 } // namespace media |
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