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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), |
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| 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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