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| 1 /* | 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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/audio_processing/level_controller/level_controller.h" | 11 #include "webrtc/modules/audio_processing/level_controller/level_controller.h" |
| 12 | 12 |
| 13 #include <math.h> | 13 #include <math.h> |
| 14 #include <algorithm> | 14 #include <algorithm> |
| 15 #include <numeric> | 15 #include <numeric> |
| 16 | 16 |
| 17 #include "webrtc/base/array_view.h" |
| 18 #include "webrtc/base/arraysize.h" |
| 19 #include "webrtc/base/checks.h" |
| 20 #include "webrtc/base/logging.h" |
| 17 #include "webrtc/modules/audio_processing/audio_buffer.h" | 21 #include "webrtc/modules/audio_processing/audio_buffer.h" |
| 18 #include "webrtc/modules/audio_processing/level_controller/gain_applier.h" | 22 #include "webrtc/modules/audio_processing/level_controller/gain_applier.h" |
| 19 #include "webrtc/modules/audio_processing/level_controller/gain_selector.h" | 23 #include "webrtc/modules/audio_processing/level_controller/gain_selector.h" |
| 20 #include "webrtc/modules/audio_processing/level_controller/noise_level_estimator
.h" | 24 #include "webrtc/modules/audio_processing/level_controller/noise_level_estimator
.h" |
| 21 #include "webrtc/modules/audio_processing/level_controller/peak_level_estimator.
h" | 25 #include "webrtc/modules/audio_processing/level_controller/peak_level_estimator.
h" |
| 22 #include "webrtc/modules/audio_processing/level_controller/saturating_gain_estim
ator.h" | 26 #include "webrtc/modules/audio_processing/level_controller/saturating_gain_estim
ator.h" |
| 23 #include "webrtc/modules/audio_processing/level_controller/signal_classifier.h" | 27 #include "webrtc/modules/audio_processing/level_controller/signal_classifier.h" |
| 24 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h" | 28 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h" |
| 25 #include "webrtc/rtc_base/array_view.h" | |
| 26 #include "webrtc/rtc_base/arraysize.h" | |
| 27 #include "webrtc/rtc_base/checks.h" | |
| 28 #include "webrtc/rtc_base/logging.h" | |
| 29 #include "webrtc/system_wrappers/include/metrics.h" | 29 #include "webrtc/system_wrappers/include/metrics.h" |
| 30 | 30 |
| 31 namespace webrtc { | 31 namespace webrtc { |
| 32 namespace { | 32 namespace { |
| 33 | 33 |
| 34 void UpdateAndRemoveDcLevel(float forgetting_factor, | 34 void UpdateAndRemoveDcLevel(float forgetting_factor, |
| 35 float* dc_level, | 35 float* dc_level, |
| 36 rtc::ArrayView<float> x) { | 36 rtc::ArrayView<float> x) { |
| 37 RTC_DCHECK(!x.empty()); | 37 RTC_DCHECK(!x.empty()); |
| 38 float mean = | 38 float mean = |
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| 284 | 284 |
| 285 bool LevelController::Validate( | 285 bool LevelController::Validate( |
| 286 const AudioProcessing::Config::LevelController& config) { | 286 const AudioProcessing::Config::LevelController& config) { |
| 287 return (config.initial_peak_level_dbfs < | 287 return (config.initial_peak_level_dbfs < |
| 288 std::numeric_limits<float>::epsilon() && | 288 std::numeric_limits<float>::epsilon() && |
| 289 config.initial_peak_level_dbfs > | 289 config.initial_peak_level_dbfs > |
| 290 -(100.f + std::numeric_limits<float>::epsilon())); | 290 -(100.f + std::numeric_limits<float>::epsilon())); |
| 291 } | 291 } |
| 292 | 292 |
| 293 } // namespace webrtc | 293 } // namespace webrtc |
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