| /* |
| * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef MODULES_AUDIO_PROCESSING_AGC2_ADAPTIVE_MODE_LEVEL_ESTIMATOR_H_ |
| #define MODULES_AUDIO_PROCESSING_AGC2_ADAPTIVE_MODE_LEVEL_ESTIMATOR_H_ |
| |
| #include "modules/audio_processing/agc2/saturation_protector.h" |
| #include "modules/audio_processing/agc2/vad_with_level.h" |
| |
| namespace webrtc { |
| class ApmDataDumper; |
| |
| class AdaptiveModeLevelEstimator { |
| public: |
| explicit AdaptiveModeLevelEstimator(ApmDataDumper* apm_data_dumper); |
| void UpdateEstimation(const VadWithLevel::LevelAndProbability& vad_data); |
| float LatestLevelEstimate() const; |
| void Reset(); |
| |
| private: |
| void DebugDumpEstimate(); |
| |
| size_t buffer_size_ms_ = 0; |
| float last_estimate_with_offset_dbfs_ = kInitialSpeechLevelEstimateDbfs; |
| float estimate_numerator_ = 0.f; |
| float estimate_denominator_ = 0.f; |
| SaturationProtector saturation_protector_; |
| ApmDataDumper* const apm_data_dumper_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // MODULES_AUDIO_PROCESSING_AGC2_ADAPTIVE_MODE_LEVEL_ESTIMATOR_H_ |