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Side by Side Diff: media/capture/content/smooth_event_sampler.h

Issue 2081653004: Revert of Re-Reland: Make media/capture gn and gyps produce components (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 6 months ago
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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 #ifndef MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_ 5 #ifndef MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_
6 #define MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_ 6 #define MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_
7 7
8 #include "base/macros.h" 8 #include "base/macros.h"
9 #include "base/time/time.h" 9 #include "base/time/time.h"
10 #include "media/capture/capture_export.h" 10 #include "media/base/media_export.h"
11 11
12 namespace media { 12 namespace media {
13 13
14 // Filters a sequence of events to achieve a target frequency. 14 // Filters a sequence of events to achieve a target frequency.
15 class CAPTURE_EXPORT SmoothEventSampler { 15 class MEDIA_EXPORT SmoothEventSampler {
16 public: 16 public:
17 explicit SmoothEventSampler(base::TimeDelta min_capture_period); 17 explicit SmoothEventSampler(base::TimeDelta min_capture_period);
18 18
19 // Get/Set minimum capture period. When setting a new value, the state of the 19 // Get/Set minimum capture period. When setting a new value, the state of the
20 // sampler is retained so that sampling will continue smoothly. 20 // sampler is retained so that sampling will continue smoothly.
21 base::TimeDelta min_capture_period() const { return min_capture_period_; } 21 base::TimeDelta min_capture_period() const { return min_capture_period_; }
22 void SetMinCapturePeriod(base::TimeDelta p); 22 void SetMinCapturePeriod(base::TimeDelta p);
23 23
24 // Add a new event to the event history, and consider whether it ought to be 24 // Add a new event to the event history, and consider whether it ought to be
25 // sampled. The event is not recorded as a sample until RecordSample() is 25 // sampled. The event is not recorded as a sample until RecordSample() is
(...skipping 19 matching lines...) Expand all
45 base::TimeTicks current_event_; 45 base::TimeTicks current_event_;
46 base::TimeTicks last_sample_; 46 base::TimeTicks last_sample_;
47 base::TimeDelta token_bucket_; 47 base::TimeDelta token_bucket_;
48 48
49 DISALLOW_COPY_AND_ASSIGN(SmoothEventSampler); 49 DISALLOW_COPY_AND_ASSIGN(SmoothEventSampler);
50 }; 50 };
51 51
52 } // namespace media 52 } // namespace media
53 53
54 #endif // MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_ 54 #endif // MEDIA_CAPTURE_CONTENT_SMOOTH_EVENT_SAMPLER_H_
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