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AgcManagerDirect: Remove clipping_predictor_evaluator_

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Remove the evaluation of clipping prediction. The result is not used.

Bug: webrtc:7494
Change-Id: I18d2c1f50ed675a9653d518095f69ed263a34041
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/278361
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Commit-Queue: Hanna Silen <silen@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38320}
This commit is contained in:
Hanna Silen
2022-10-07 11:42:41 +02:00
committed by WebRTC LUCI CQ
parent cfc3eb1a92
commit 3609a5aeb6
3 changed files with 0 additions and 18 deletions
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1
modules/audio_processing/agc/BUILD.gn
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@ -35,7 +35,6 @@ rtc_library("agc") {
"../../../system_wrappers:field_trial",
"../../../system_wrappers:metrics",
"../agc2:clipping_predictor",
"../agc2:clipping_predictor_evaluator",
"../agc2:gain_map",
"../vad",
]

15
modules/audio_processing/agc/agc_manager_direct.cc
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@ -49,10 +49,6 @@ constexpr int kMaxResidualGainChange = 15;
// restrictions from clipping events.
constexpr int kSurplusCompressionGain = 6;
// History size for the clipping predictor evaluator (unit: number of 10 ms
// frames).
constexpr int kClippingPredictorEvaluatorHistorySize = 500;
// Target speech level (dBFs) and speech probability threshold used to compute
// the RMS error override in `GetSpeechLevelErrorDb()`. These are only used for
// computing the error override and they are not passed to `agc_`.
@ -506,7 +502,6 @@ AgcManagerDirect::AgcManagerDirect(int num_capture_channels,
use_clipping_predictor_step_(
!!clipping_predictor_ &&
analog_config.clipping_predictor.use_predicted_step),
clipping_predictor_evaluator_(kClippingPredictorEvaluatorHistorySize),
clipping_rate_log_(0.0f),
clipping_rate_log_counter_(0) {
RTC_LOG(LS_INFO) << "[agc] analog controller enabled: "
@ -546,7 +541,6 @@ void AgcManagerDirect::Initialize() {
capture_output_used_ = true;
AggregateChannelLevels();
clipping_predictor_evaluator_.Reset();
clipping_rate_log_ = 0.0f;
clipping_rate_log_counter_ = 0;
}
@ -625,14 +619,6 @@ void AgcManagerDirect::AnalyzePreProcess(const AudioBuffer& audio_buffer) {
clipping_predicted = true;
}
}
// Clipping prediction evaluation.
// `clipping_detected` is not used to evaluate the clipping predictor
// since for this purpose a single clipping sample counts as clipping.
const bool one_or_more_clipped_samples =
clipped_ratio >= (1.0f / samples_per_channel);
// TODO(webrtc:7494): Remove the evaluator, the result is not used.
clipping_predictor_evaluator_.Observe(
/*clipping_detected=*/one_or_more_clipped_samples, clipping_predicted);
}
if (clipping_detected) {
RTC_DLOG(LS_INFO) << "[agc] Clipping detected. clipped_ratio="
@ -654,7 +640,6 @@ void AgcManagerDirect::AnalyzePreProcess(const AudioBuffer& audio_buffer) {
frames_since_clipped_ = 0;
if (!!clipping_predictor_) {
clipping_predictor_->Reset();
clipping_predictor_evaluator_.RemoveExpectations();
}
}
AggregateChannelLevels();

2
modules/audio_processing/agc/agc_manager_direct.h
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@ -18,7 +18,6 @@
#include "api/array_view.h"
#include "modules/audio_processing/agc/agc.h"
#include "modules/audio_processing/agc2/clipping_predictor.h"
#include "modules/audio_processing/agc2/clipping_predictor_evaluator.h"
#include "modules/audio_processing/audio_buffer.h"
#include "modules/audio_processing/include/audio_processing.h"
#include "modules/audio_processing/logging/apm_data_dumper.h"
@ -182,7 +181,6 @@ class AgcManagerDirect final {
const std::unique_ptr<ClippingPredictor> clipping_predictor_;
const bool use_clipping_predictor_step_;
ClippingPredictorEvaluator clipping_predictor_evaluator_;
float clipping_rate_log_;
int clipping_rate_log_counter_;
};