From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../experiments/quality_scaler_settings.cc         | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings.cc

(limited to 'third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings.cc')

diff --git a/third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings.cc b/third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings.cc
new file mode 100644
index 0000000000..24da211d89
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/experiments/quality_scaler_settings.cc
@@ -0,0 +1,96 @@
+/*
+ *  Copyright (c) 2019 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 "rtc_base/experiments/quality_scaler_settings.h"
+
+#include "api/field_trials_view.h"
+#include "rtc_base/logging.h"
+
+namespace webrtc {
+namespace {
+const int kMinFrames = 10;
+const double kMinScaleFactor = 0.01;
+}  // namespace
+
+QualityScalerSettings::QualityScalerSettings(
+    const FieldTrialsView& field_trials)
+    : sampling_period_ms_("sampling_period_ms"),
+      average_qp_window_("average_qp_window"),
+      min_frames_("min_frames"),
+      initial_scale_factor_("initial_scale_factor"),
+      scale_factor_("scale_factor"),
+      initial_bitrate_interval_ms_("initial_bitrate_interval_ms"),
+      initial_bitrate_factor_("initial_bitrate_factor") {
+  ParseFieldTrial({&sampling_period_ms_, &average_qp_window_, &min_frames_,
+                   &initial_scale_factor_, &scale_factor_,
+                   &initial_bitrate_interval_ms_, &initial_bitrate_factor_},
+                  field_trials.Lookup("WebRTC-Video-QualityScalerSettings"));
+}
+
+absl::optional<int> QualityScalerSettings::SamplingPeriodMs() const {
+  if (sampling_period_ms_ && sampling_period_ms_.Value() <= 0) {
+    RTC_LOG(LS_WARNING) << "Unsupported sampling_period_ms value, ignored.";
+    return absl::nullopt;
+  }
+  return sampling_period_ms_.GetOptional();
+}
+
+absl::optional<int> QualityScalerSettings::AverageQpWindow() const {
+  if (average_qp_window_ && average_qp_window_.Value() <= 0) {
+    RTC_LOG(LS_WARNING) << "Unsupported average_qp_window value, ignored.";
+    return absl::nullopt;
+  }
+  return average_qp_window_.GetOptional();
+}
+
+absl::optional<int> QualityScalerSettings::MinFrames() const {
+  if (min_frames_ && min_frames_.Value() < kMinFrames) {
+    RTC_LOG(LS_WARNING) << "Unsupported min_frames value, ignored.";
+    return absl::nullopt;
+  }
+  return min_frames_.GetOptional();
+}
+
+absl::optional<double> QualityScalerSettings::InitialScaleFactor() const {
+  if (initial_scale_factor_ &&
+      initial_scale_factor_.Value() < kMinScaleFactor) {
+    RTC_LOG(LS_WARNING) << "Unsupported initial_scale_factor value, ignored.";
+    return absl::nullopt;
+  }
+  return initial_scale_factor_.GetOptional();
+}
+
+absl::optional<double> QualityScalerSettings::ScaleFactor() const {
+  if (scale_factor_ && scale_factor_.Value() < kMinScaleFactor) {
+    RTC_LOG(LS_WARNING) << "Unsupported scale_factor value, ignored.";
+    return absl::nullopt;
+  }
+  return scale_factor_.GetOptional();
+}
+
+absl::optional<int> QualityScalerSettings::InitialBitrateIntervalMs() const {
+  if (initial_bitrate_interval_ms_ &&
+      initial_bitrate_interval_ms_.Value() < 0) {
+    RTC_LOG(LS_WARNING) << "Unsupported bitrate_interval value, ignored.";
+    return absl::nullopt;
+  }
+  return initial_bitrate_interval_ms_.GetOptional();
+}
+
+absl::optional<double> QualityScalerSettings::InitialBitrateFactor() const {
+  if (initial_bitrate_factor_ &&
+      initial_bitrate_factor_.Value() < kMinScaleFactor) {
+    RTC_LOG(LS_WARNING) << "Unsupported initial_bitrate_factor value, ignored.";
+    return absl::nullopt;
+  }
+  return initial_bitrate_factor_.GetOptional();
+}
+
+}  // namespace webrtc
-- 
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