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10542f21c8
Mechanically generated by running this command: tools_webrtc/do-renames.sh update all-renames.txt && git cl format Then manually updating: tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc Bug: webrtc:10159 No-Presubmit: true No-Tree-Checks: true No-Try: true Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833 Reviewed-on: https://webrtc-review.googlesource.com/c/115653 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26226}
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
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#define MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
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#include "modules/audio_processing/agc2/signal_classifier.h"
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#include "modules/audio_processing/include/audio_frame_view.h"
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#include "rtc_base/constructor_magic.h"
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namespace webrtc {
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class ApmDataDumper;
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class NoiseLevelEstimator {
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public:
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NoiseLevelEstimator(ApmDataDumper* data_dumper);
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~NoiseLevelEstimator();
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// Returns the estimated noise level in dBFS.
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float Analyze(const AudioFrameView<const float>& frame);
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private:
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void Initialize(int sample_rate_hz);
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int sample_rate_hz_;
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float min_noise_energy_;
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bool first_update_;
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float noise_energy_;
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int noise_energy_hold_counter_;
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SignalClassifier signal_classifier_;
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RTC_DISALLOW_COPY_AND_ASSIGN(NoiseLevelEstimator);
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
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