1 files changed, 70 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator.cc b/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator.cc
new file mode 100644
index 0000000000..aa58b0fa01
--- /dev/null
+++ b/third_party/libwebrtc/test/jitter/logging_delay_variation_calculator.cc
@@ -0,0 +1,70 @@
+/*
+ *  Copyright (c) 2023 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 "test/jitter/logging_delay_variation_calculator.h"
+
+#include "api/test/metrics/global_metrics_logger_and_exporter.h"
+#include "rtc_base/logging.h"
+
+namespace webrtc {
+namespace test {
+
+void LoggingDelayVariationCalculator::Insert(
+    uint32_t rtp_timestamp,
+    Timestamp arrival_time,
+    DataSize size,
+    absl::optional<int> spatial_layer,
+    absl::optional<int> temporal_layer,
+    absl::optional<VideoFrameType> frame_type) {
+  calc_.Insert(rtp_timestamp, arrival_time, size, spatial_layer, temporal_layer,
+               frame_type);
+}
+
+void LoggingDelayVariationCalculator::LogMetrics() const {
+  const DelayVariationCalculator::TimeSeries& time_series = calc_.time_series();
+
+  if (!time_series.rtp_timestamps.IsEmpty()) {
+    logger_->LogMetric("rtp_timestamp", log_type_, time_series.rtp_timestamps,
+                       Unit::kUnitless, ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.arrival_times_ms.IsEmpty()) {
+    logger_->LogMetric("arrival_time", log_type_, time_series.arrival_times_ms,
+                       Unit::kMilliseconds,
+                       ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.sizes_bytes.IsEmpty()) {
+    logger_->LogMetric("size_bytes", log_type_, time_series.sizes_bytes,
+                       Unit::kBytes, ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.inter_departure_times_ms.IsEmpty()) {
+    logger_->LogMetric(
+        "inter_departure_time", log_type_, time_series.inter_departure_times_ms,
+        Unit::kMilliseconds, ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.inter_arrival_times_ms.IsEmpty()) {
+    logger_->LogMetric("inter_arrival_time", log_type_,
+                       time_series.inter_arrival_times_ms, Unit::kMilliseconds,
+                       ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.inter_delay_variations_ms.IsEmpty()) {
+    logger_->LogMetric("inter_delay_variation", log_type_,
+                       time_series.inter_delay_variations_ms,
+                       Unit::kMilliseconds,
+                       ImprovementDirection::kNeitherIsBetter);
+  }
+  if (!time_series.inter_size_variations_bytes.IsEmpty()) {
+    logger_->LogMetric("inter_size_variation", log_type_,
+                       time_series.inter_size_variations_bytes, Unit::kBytes,
+                       ImprovementDirection::kNeitherIsBetter);
+  }
+}
+
+}  // namespace test
+}  // namespace webrtc