Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 95 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.cc b/third_party/libwebrtc/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.cc
new file mode 100644
index 0000000000..571bbff71a
--- /dev/null
+++ b/third_party/libwebrtc/modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.cc
@@ -0,0 +1,95 @@
+/*
+ *  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 "modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h"
+
+#include <algorithm>
+#include <memory>
+
+#include "api/field_trials_view.h"
+#include "api/units/time_delta.h"
+#include "modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator.h"
+#include "modules/congestion_controller/goog_cc/robust_throughput_estimator.h"
+#include "rtc_base/experiments/struct_parameters_parser.h"
+#include "rtc_base/logging.h"
+
+namespace webrtc {
+
+constexpr char RobustThroughputEstimatorSettings::kKey[];
+
+RobustThroughputEstimatorSettings::RobustThroughputEstimatorSettings(
+    const FieldTrialsView* key_value_config) {
+  Parser()->Parse(
+      key_value_config->Lookup(RobustThroughputEstimatorSettings::kKey));
+  if (window_packets < 10 || 1000 < window_packets) {
+    RTC_LOG(LS_WARNING) << "Window size must be between 10 and 1000 packets";
+    window_packets = 20;
+  }
+  if (max_window_packets < 10 || 1000 < max_window_packets) {
+    RTC_LOG(LS_WARNING)
+        << "Max window size must be between 10 and 1000 packets";
+    max_window_packets = 500;
+  }
+  max_window_packets = std::max(max_window_packets, window_packets);
+
+  if (required_packets < 10 || 1000 < required_packets) {
+    RTC_LOG(LS_WARNING) << "Required number of initial packets must be between "
+                           "10 and 1000 packets";
+    required_packets = 10;
+  }
+  required_packets = std::min(required_packets, window_packets);
+
+  if (min_window_duration < TimeDelta::Millis(100) ||
+      TimeDelta::Millis(3000) < min_window_duration) {
+    RTC_LOG(LS_WARNING) << "Window duration must be between 100 and 3000 ms";
+    min_window_duration = TimeDelta::Millis(750);
+  }
+  if (max_window_duration < TimeDelta::Seconds(1) ||
+      TimeDelta::Seconds(15) < max_window_duration) {
+    RTC_LOG(LS_WARNING) << "Max window duration must be between 1 and 15 s";
+    max_window_duration = TimeDelta::Seconds(5);
+  }
+  min_window_duration = std::min(min_window_duration, max_window_duration);
+
+  if (unacked_weight < 0.0 || 1.0 < unacked_weight) {
+    RTC_LOG(LS_WARNING)
+        << "Weight for prior unacked size must be between 0 and 1.";
+    unacked_weight = 1.0;
+  }
+}
+
+std::unique_ptr<StructParametersParser>
+RobustThroughputEstimatorSettings::Parser() {
+  return StructParametersParser::Create(
+      "enabled", &enabled,                          //
+      "window_packets", &window_packets,            //
+      "max_window_packets", &max_window_packets,    //
+      "window_duration", &min_window_duration,      //
+      "max_window_duration", &max_window_duration,  //
+      "required_packets", &required_packets,        //
+      "unacked_weight", &unacked_weight);
+}
+
+AcknowledgedBitrateEstimatorInterface::
+    ~AcknowledgedBitrateEstimatorInterface() {}
+
+std::unique_ptr<AcknowledgedBitrateEstimatorInterface>
+AcknowledgedBitrateEstimatorInterface::Create(
+    const FieldTrialsView* key_value_config) {
+  RobustThroughputEstimatorSettings simplified_estimator_settings(
+      key_value_config);
+  if (simplified_estimator_settings.enabled) {
+    return std::make_unique<RobustThroughputEstimator>(
+        simplified_estimator_settings);
+  }
+  return std::make_unique<AcknowledgedBitrateEstimator>(key_value_config);
+}
+
+}  // namespace webrtc