AnotherFoxGuy/webrtc-audio-processing
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Bump to WebRTC M120 release

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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.
This commit is contained in:
Arun Raghavan
2023-12-12 10:42:58 -05:00
parent 9a202fb8c2
commit c6abf6cd3f
479 changed files with 20900 additions and 11996 deletions
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29
webrtc/modules/audio_processing/agc2/noise_level_estimator.h
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@ -11,33 +11,26 @@
#ifndef MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
#define MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_
#include "modules/audio_processing/agc2/signal_classifier.h"
#include <memory>
#include "modules/audio_processing/include/audio_frame_view.h"
#include "rtc_base/constructor_magic.h"
namespace webrtc {
class ApmDataDumper;
// Noise level estimator interface.
class NoiseLevelEstimator {
public:
NoiseLevelEstimator(ApmDataDumper* data_dumper);
~NoiseLevelEstimator();
// Returns the estimated noise level in dBFS.
float Analyze(const AudioFrameView<const float>& frame);
private:
void Initialize(int sample_rate_hz);
int sample_rate_hz_;
float min_noise_energy_;
bool first_update_;
float noise_energy_;
int noise_energy_hold_counter_;
SignalClassifier signal_classifier_;
RTC_DISALLOW_COPY_AND_ASSIGN(NoiseLevelEstimator);
virtual ~NoiseLevelEstimator() = default;
// Analyzes a 10 ms `frame`, updates the noise level estimation and returns
// the value for the latter in dBFS.
virtual float Analyze(const AudioFrameView<const float>& frame) = 0;
};
// Creates a noise level estimator based on noise floor detection.
std::unique_ptr<NoiseLevelEstimator> CreateNoiseFloorEstimator(
ApmDataDumper* data_dumper);
} // namespace webrtc
#endif // MODULES_AUDIO_PROCESSING_AGC2_NOISE_LEVEL_ESTIMATOR_H_