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| 1 /* | 1 /* | 
| 2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 
| 3  * | 3  * | 
| 4  *  Use of this source code is governed by a BSD-style license | 4  *  Use of this source code is governed by a BSD-style license | 
| 5  *  that can be found in the LICENSE file in the root of the source | 5  *  that can be found in the LICENSE file in the root of the source | 
| 6  *  tree. An additional intellectual property rights grant can be found | 6  *  tree. An additional intellectual property rights grant can be found | 
| 7  *  in the file PATENTS.  All contributing project authors may | 7  *  in the file PATENTS.  All contributing project authors may | 
| 8  *  be found in the AUTHORS file in the root of the source tree. | 8  *  be found in the AUTHORS file in the root of the source tree. | 
| 9  */ | 9  */ | 
| 10 | 10 | 
| 11 #include "webrtc/modules/remote_bitrate_estimator/overuse_estimator.h" | 11 #include "webrtc/modules/remote_bitrate_estimator/overuse_estimator.h" | 
| 12 | 12 | 
| 13 #include <assert.h> | 13 #include <assert.h> | 
| 14 #include <math.h> | 14 #include <math.h> | 
| 15 #include <stdlib.h> | 15 #include <stdlib.h> | 
| 16 #include <string.h> | 16 #include <string.h> | 
| 17 | 17 | 
| 18 #include <algorithm> | 18 #include <algorithm> | 
| 19 | 19 | 
| 20 #include "webrtc/base/logging.h" |  | 
| 21 #include "webrtc/modules/remote_bitrate_estimator/include/bwe_defines.h" | 20 #include "webrtc/modules/remote_bitrate_estimator/include/bwe_defines.h" | 
| 22 #include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h" | 21 #include "webrtc/modules/remote_bitrate_estimator/test/bwe_test_logging.h" | 
|  | 22 #include "webrtc/rtc_base/logging.h" | 
| 23 | 23 | 
| 24 namespace webrtc { | 24 namespace webrtc { | 
| 25 | 25 | 
| 26 enum { kMinFramePeriodHistoryLength = 60 }; | 26 enum { kMinFramePeriodHistoryLength = 60 }; | 
| 27 enum { kDeltaCounterMax = 1000 }; | 27 enum { kDeltaCounterMax = 1000 }; | 
| 28 | 28 | 
| 29 OveruseEstimator::OveruseEstimator(const OverUseDetectorOptions& options) | 29 OveruseEstimator::OveruseEstimator(const OverUseDetectorOptions& options) | 
| 30     : options_(options), | 30     : options_(options), | 
| 31       num_of_deltas_(0), | 31       num_of_deltas_(0), | 
| 32       slope_(options_.initial_slope), | 32       slope_(options_.initial_slope), | 
| (...skipping 124 matching lines...) Expand 10 before | Expand all | Expand 10 after  Loading... | 
| 157   const double beta = pow(1 - alpha, ts_delta * 30.0 / 1000.0); | 157   const double beta = pow(1 - alpha, ts_delta * 30.0 / 1000.0); | 
| 158   avg_noise_ = beta * avg_noise_ | 158   avg_noise_ = beta * avg_noise_ | 
| 159               + (1 - beta) * residual; | 159               + (1 - beta) * residual; | 
| 160   var_noise_ = beta * var_noise_ | 160   var_noise_ = beta * var_noise_ | 
| 161               + (1 - beta) * (avg_noise_ - residual) * (avg_noise_ - residual); | 161               + (1 - beta) * (avg_noise_ - residual) * (avg_noise_ - residual); | 
| 162   if (var_noise_ < 1) { | 162   if (var_noise_ < 1) { | 
| 163     var_noise_ = 1; | 163     var_noise_ = 1; | 
| 164   } | 164   } | 
| 165 } | 165 } | 
| 166 }  // namespace webrtc | 166 }  // namespace webrtc | 
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