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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/cast/common/clock_drift_smoother.h" | 5 #include "media/cast/common/clock_drift_smoother.h" |
| 6 | 6 |
| 7 #include <stdint.h> |
| 8 |
| 7 #include "base/logging.h" | 9 #include "base/logging.h" |
| 8 | 10 |
| 9 namespace media { | 11 namespace media { |
| 10 namespace cast { | 12 namespace cast { |
| 11 | 13 |
| 12 ClockDriftSmoother::ClockDriftSmoother(base::TimeDelta time_constant) | 14 ClockDriftSmoother::ClockDriftSmoother(base::TimeDelta time_constant) |
| 13 : time_constant_(time_constant), | 15 : time_constant_(time_constant), |
| 14 estimate_us_(0.0) { | 16 estimate_us_(0.0) { |
| 15 DCHECK(time_constant_ > base::TimeDelta()); | 17 DCHECK(time_constant_ > base::TimeDelta()); |
| 16 } | 18 } |
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| 50 } | 52 } |
| 51 | 53 |
| 52 // static | 54 // static |
| 53 base::TimeDelta ClockDriftSmoother::GetDefaultTimeConstant() { | 55 base::TimeDelta ClockDriftSmoother::GetDefaultTimeConstant() { |
| 54 static const int kDefaultTimeConstantInSeconds = 30; | 56 static const int kDefaultTimeConstantInSeconds = 30; |
| 55 return base::TimeDelta::FromSeconds(kDefaultTimeConstantInSeconds); | 57 return base::TimeDelta::FromSeconds(kDefaultTimeConstantInSeconds); |
| 56 } | 58 } |
| 57 | 59 |
| 58 } // namespace cast | 60 } // namespace cast |
| 59 } // namespace media | 61 } // namespace media |
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