neteq_performance_unittest.cc

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/*

 *  Copyright (c) 2014 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 "absl/flags/flag.h"

#include "api/test/metrics/global_metrics_logger_and_exporter.h"

#include "api/test/metrics/metric.h"

#include "modules/audio_coding/neteq/tools/neteq_performance_test.h"

#include "test/gtest.h"

#include "test/test_flags.h"

namespace webrtc {

namespace {

using ::webrtc::test::GetGlobalMetricsLogger;

using ::webrtc::test::ImprovementDirection;

using ::webrtc::test::Unit;

// Runs a test with 10% packet losses and 10% clock drift, to exercise

// both loss concealment and time-stretching code.

TEST(NetEqPerformanceTest, 10_Pl_10_Drift) {

  const int kSimulationTimeMs = 10000000;

  const int kQuickSimulationTimeMs = 100000;

  const int kLossPeriod = 10;  // Drop every 10th packet.

  const double kDriftFactor = 0.1;

  int64_t runtime = test::NetEqPerformanceTest::Run(

      absl::GetFlag(FLAGS_webrtc_quick_perf_test) ? kQuickSimulationTimeMs

                                                  : kSimulationTimeMs,

      kLossPeriod, kDriftFactor);

  ASSERT_GT(runtime, 0);

  GetGlobalMetricsLogger()->LogSingleValueMetric(

      "neteq_performance", "10_pl_10_drift", runtime, Unit::kMilliseconds,

      ImprovementDirection::kNeitherIsBetter);

// Runs a test with neither packet losses nor clock drift, to put

// emphasis on the "good-weather" code path, which is presumably much

// more lightweight.

TEST(NetEqPerformanceTest, 0_Pl_0_Drift) {

  const int kSimulationTimeMs = 10000000;

  const int kQuickSimulationTimeMs = 100000;

  const int kLossPeriod = 0;        // No losses.

  const double kDriftFactor = 0.0;  // No clock drift.

  int64_t runtime = test::NetEqPerformanceTest::Run(

      absl::GetFlag(FLAGS_webrtc_quick_perf_test) ? kQuickSimulationTimeMs

                                                  : kSimulationTimeMs,

      kLossPeriod, kDriftFactor);

  ASSERT_GT(runtime, 0);

  GetGlobalMetricsLogger()->LogSingleValueMetric(

      "neteq_performance", "0_pl_0_drift", runtime, Unit::kMilliseconds,

      ImprovementDirection::kNeitherIsBetter);

}  // namespace

}  // namespace webrtc