webrtc-audio-processing/webrtc/modules/audio_processing/aec3/render_delay_controller_metrics.cc
Arun Raghavan b5c48b97f6 Bump to WebRTC M131 release
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
2024-12-26 12:55:16 -05:00

133 lines
4.2 KiB
C++

/*
* Copyright (c) 2017 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.
*/
#include "modules/audio_processing/aec3/render_delay_controller_metrics.h"
#include <algorithm>
#include "modules/audio_processing/aec3/aec3_common.h"
#include "rtc_base/checks.h"
#include "system_wrappers/include/metrics.h"
namespace webrtc {
namespace {
enum class DelayReliabilityCategory {
kNone,
kPoor,
kMedium,
kGood,
kExcellent,
kNumCategories
};
enum class DelayChangesCategory {
kNone,
kFew,
kSeveral,
kMany,
kConstant,
kNumCategories
};
} // namespace
RenderDelayControllerMetrics::RenderDelayControllerMetrics() = default;
void RenderDelayControllerMetrics::Update(
std::optional<size_t> delay_samples,
std::optional<size_t> buffer_delay_blocks,
ClockdriftDetector::Level clockdrift) {
++call_counter_;
if (!initial_update) {
size_t delay_blocks;
if (delay_samples) {
++reliable_delay_estimate_counter_;
// Add an offset by 1 (metric is halved before reporting) to reserve 0 for
// absent delay.
delay_blocks = (*delay_samples) / kBlockSize + 2;
} else {
delay_blocks = 0;
}
if (delay_blocks != delay_blocks_) {
++delay_change_counter_;
delay_blocks_ = delay_blocks;
}
} else if (++initial_call_counter_ == 5 * kNumBlocksPerSecond) {
initial_update = false;
}
if (call_counter_ == kMetricsReportingIntervalBlocks) {
int value_to_report = static_cast<int>(delay_blocks_);
// Divide by 2 to compress metric range.
value_to_report = std::min(124, value_to_report >> 1);
RTC_HISTOGRAM_COUNTS_LINEAR("WebRTC.Audio.EchoCanceller.EchoPathDelay",
value_to_report, 0, 124, 125);
// Divide by 2 to compress metric range.
// Offset by 1 to reserve 0 for absent delay.
value_to_report = buffer_delay_blocks ? (*buffer_delay_blocks + 2) >> 1 : 0;
value_to_report = std::min(124, value_to_report);
RTC_HISTOGRAM_COUNTS_LINEAR("WebRTC.Audio.EchoCanceller.BufferDelay",
value_to_report, 0, 124, 125);
DelayReliabilityCategory delay_reliability;
if (reliable_delay_estimate_counter_ == 0) {
delay_reliability = DelayReliabilityCategory::kNone;
} else if (reliable_delay_estimate_counter_ > (call_counter_ >> 1)) {
delay_reliability = DelayReliabilityCategory::kExcellent;
} else if (reliable_delay_estimate_counter_ > 100) {
delay_reliability = DelayReliabilityCategory::kGood;
} else if (reliable_delay_estimate_counter_ > 10) {
delay_reliability = DelayReliabilityCategory::kMedium;
} else {
delay_reliability = DelayReliabilityCategory::kPoor;
}
RTC_HISTOGRAM_ENUMERATION(
"WebRTC.Audio.EchoCanceller.ReliableDelayEstimates",
static_cast<int>(delay_reliability),
static_cast<int>(DelayReliabilityCategory::kNumCategories));
DelayChangesCategory delay_changes;
if (delay_change_counter_ == 0) {
delay_changes = DelayChangesCategory::kNone;
} else if (delay_change_counter_ > 10) {
delay_changes = DelayChangesCategory::kConstant;
} else if (delay_change_counter_ > 5) {
delay_changes = DelayChangesCategory::kMany;
} else if (delay_change_counter_ > 2) {
delay_changes = DelayChangesCategory::kSeveral;
} else {
delay_changes = DelayChangesCategory::kFew;
}
RTC_HISTOGRAM_ENUMERATION(
"WebRTC.Audio.EchoCanceller.DelayChanges",
static_cast<int>(delay_changes),
static_cast<int>(DelayChangesCategory::kNumCategories));
RTC_HISTOGRAM_ENUMERATION(
"WebRTC.Audio.EchoCanceller.Clockdrift", static_cast<int>(clockdrift),
static_cast<int>(ClockdriftDetector::Level::kNumCategories));
call_counter_ = 0;
ResetMetrics();
}
}
void RenderDelayControllerMetrics::ResetMetrics() {
delay_change_counter_ = 0;
reliable_delay_estimate_counter_ = 0;
}
} // namespace webrtc