c6abf6cd3f
Some API deprecation -- ExperimentalAgc and ExperimentalNs are gone. We're continuing to carry iSAC even though it's gone upstream, but maybe we'll want to drop that soon.
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 "modules/audio_processing/include/audio_frame_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(const AudioFrameView<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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