| /* |
| * Copyright (c) 2018 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/api_call_jitter_metrics.h" |
| #include "modules/audio_processing/aec3/aec3_common.h" |
| |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| |
| // Verify constant jitter. |
| TEST(ApiCallJitterMetrics, ConstantJitter) { |
| for (int jitter = 1; jitter < 20; ++jitter) { |
| ApiCallJitterMetrics metrics; |
| for (size_t k = 0; k < 30 * kNumBlocksPerSecond; ++k) { |
| for (int j = 0; j < jitter; ++j) { |
| metrics.ReportRenderCall(); |
| } |
| |
| for (int j = 0; j < jitter; ++j) { |
| metrics.ReportCaptureCall(); |
| |
| if (metrics.WillReportMetricsAtNextCapture()) { |
| EXPECT_EQ(jitter, metrics.render_jitter().min()); |
| EXPECT_EQ(jitter, metrics.render_jitter().max()); |
| EXPECT_EQ(jitter, metrics.capture_jitter().min()); |
| EXPECT_EQ(jitter, metrics.capture_jitter().max()); |
| } |
| } |
| } |
| } |
| } |
| |
| // Verify peaky jitter for the render. |
| TEST(ApiCallJitterMetrics, JitterPeakRender) { |
| constexpr int kMinJitter = 2; |
| constexpr int kJitterPeak = 10; |
| constexpr int kPeakInterval = 100; |
| |
| ApiCallJitterMetrics metrics; |
| int render_surplus = 0; |
| |
| for (size_t k = 0; k < 30 * kNumBlocksPerSecond; ++k) { |
| const int num_render_calls = |
| k % kPeakInterval == 0 ? kJitterPeak : kMinJitter; |
| for (int j = 0; j < num_render_calls; ++j) { |
| metrics.ReportRenderCall(); |
| ++render_surplus; |
| } |
| |
| ASSERT_LE(kMinJitter, render_surplus); |
| const int num_capture_calls = |
| render_surplus == kMinJitter ? kMinJitter : kMinJitter + 1; |
| for (int j = 0; j < num_capture_calls; ++j) { |
| metrics.ReportCaptureCall(); |
| |
| if (metrics.WillReportMetricsAtNextCapture()) { |
| EXPECT_EQ(kMinJitter, metrics.render_jitter().min()); |
| EXPECT_EQ(kJitterPeak, metrics.render_jitter().max()); |
| EXPECT_EQ(kMinJitter, metrics.capture_jitter().min()); |
| EXPECT_EQ(kMinJitter + 1, metrics.capture_jitter().max()); |
| } |
| --render_surplus; |
| } |
| } |
| } |
| |
| // Verify peaky jitter for the capture. |
| TEST(ApiCallJitterMetrics, JitterPeakCapture) { |
| constexpr int kMinJitter = 2; |
| constexpr int kJitterPeak = 10; |
| constexpr int kPeakInterval = 100; |
| |
| ApiCallJitterMetrics metrics; |
| int capture_surplus = kMinJitter; |
| |
| for (size_t k = 0; k < 30 * kNumBlocksPerSecond; ++k) { |
| ASSERT_LE(kMinJitter, capture_surplus); |
| const int num_render_calls = |
| capture_surplus == kMinJitter ? kMinJitter : kMinJitter + 1; |
| for (int j = 0; j < num_render_calls; ++j) { |
| metrics.ReportRenderCall(); |
| --capture_surplus; |
| } |
| |
| const int num_capture_calls = |
| k % kPeakInterval == 0 ? kJitterPeak : kMinJitter; |
| for (int j = 0; j < num_capture_calls; ++j) { |
| metrics.ReportCaptureCall(); |
| |
| if (metrics.WillReportMetricsAtNextCapture()) { |
| EXPECT_EQ(kMinJitter, metrics.render_jitter().min()); |
| EXPECT_EQ(kMinJitter + 1, metrics.render_jitter().max()); |
| EXPECT_EQ(kMinJitter, metrics.capture_jitter().min()); |
| EXPECT_EQ(kJitterPeak, metrics.capture_jitter().max()); |
| } |
| ++capture_surplus; |
| } |
| } |
| } |
| |
| } // namespace webrtc |