b5c48b97f6
Ongoing fixes and improvements, transient suppressor is gone. Also, dropping isac because it doesn't seem to be useful, and is just build system deadweight now. Upstream references: Version: 131.0.6778.200 WebRTC: 79aff54b0fa9238ce3518dd9eaf9610cd6f22e82 Chromium: 2a19506ad24af755f2a215a4c61f775393e0db42
37 lines
1.2 KiB
C++
37 lines
1.2 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 <memory>
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#include "api/audio/audio_view.h"
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namespace webrtc {
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class ApmDataDumper;
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// Noise level estimator interface.
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class NoiseLevelEstimator {
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public:
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virtual ~NoiseLevelEstimator() = default;
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// Analyzes a 10 ms `frame`, updates the noise level estimation and returns
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// the value for the latter in dBFS.
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virtual float Analyze(DeinterleavedView<const float> frame) = 0;
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};
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// Creates a noise level estimator based on noise floor detection.
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std::unique_ptr<NoiseLevelEstimator> CreateNoiseFloorEstimator(
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ApmDataDumper* data_dumper);
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
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