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-rw-r--r--chromium/third_party/webrtc/modules/audio_coding/neteq4/delay_peak_detector_unittest.cc121
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diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq4/delay_peak_detector_unittest.cc b/chromium/third_party/webrtc/modules/audio_coding/neteq4/delay_peak_detector_unittest.cc
deleted file mode 100644
index a3b48209cff..00000000000
--- a/chromium/third_party/webrtc/modules/audio_coding/neteq4/delay_peak_detector_unittest.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (c) 2012 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.
- */
-
-// Unit tests for DelayPeakDetector class.
-
-#include "webrtc/modules/audio_coding/neteq4/delay_peak_detector.h"
-
-#include "gtest/gtest.h"
-
-namespace webrtc {
-
-TEST(DelayPeakDetector, CreateAndDestroy) {
- DelayPeakDetector* detector = new DelayPeakDetector();
- EXPECT_FALSE(detector->peak_found());
- delete detector;
-}
-
-TEST(DelayPeakDetector, EmptyHistory) {
- DelayPeakDetector detector;
- EXPECT_EQ(-1, detector.MaxPeakHeight());
- EXPECT_EQ(-1, detector.MaxPeakPeriod());
-}
-
-// Inject a series of packet arrivals into the detector. Three of the packets
-// have suffered delays. After the third delay peak, peak-mode is expected to
-// start. This should then continue until it is disengaged due to lack of peaks.
-TEST(DelayPeakDetector, TriggerPeakMode) {
- DelayPeakDetector detector;
- const int kPacketSizeMs = 30;
- detector.SetPacketAudioLength(kPacketSizeMs);
-
- // Load up normal arrival times; 0 ms, 30 ms, 60 ms, 90 ms, ...
- const int kNumPackets = 1000;
- int arrival_times_ms[kNumPackets];
- for (int i = 0; i < kNumPackets; ++i) {
- arrival_times_ms[i] = i * kPacketSizeMs;
- }
-
- // Delay three packets.
- const int kPeakDelayMs = 100;
- // First delay peak.
- arrival_times_ms[100] += kPeakDelayMs;
- // Second delay peak.
- arrival_times_ms[200] += kPeakDelayMs;
- // Third delay peak. Trigger peak-mode after this packet.
- arrival_times_ms[400] += kPeakDelayMs;
- // The second peak period is the longest, 200 packets.
- const int kWorstPeakPeriod = 200 * kPacketSizeMs;
- int peak_mode_start_ms = arrival_times_ms[400];
- // Expect to disengage after no peaks are observed for two period times.
- int peak_mode_end_ms = peak_mode_start_ms + 2 * kWorstPeakPeriod;
-
- // Load into detector.
- int time = 0;
- int next = 1; // Start with the second packet to get a proper IAT.
- while (next < kNumPackets) {
- while (next < kNumPackets && arrival_times_ms[next] <= time) {
- int iat_packets = (arrival_times_ms[next] - arrival_times_ms[next - 1]) /
- kPacketSizeMs;
- const int kTargetBufferLevel = 1; // Define peaks to be iat > 2.
- if (time < peak_mode_start_ms || time > peak_mode_end_ms) {
- EXPECT_FALSE(detector.Update(iat_packets, kTargetBufferLevel));
- } else {
- EXPECT_TRUE(detector.Update(iat_packets, kTargetBufferLevel));
- EXPECT_EQ(kWorstPeakPeriod, detector.MaxPeakPeriod());
- EXPECT_EQ(kPeakDelayMs / kPacketSizeMs + 1, detector.MaxPeakHeight());
- }
- ++next;
- }
- detector.IncrementCounter(10);
- time += 10; // Increase time 10 ms.
- }
-}
-
-// Same test as TriggerPeakMode, but with base target buffer level increased to
-// 2, in order to raise the bar for delay peaks to inter-arrival times > 4.
-// The delay pattern has peaks with delay = 3, thus should not trigger.
-TEST(DelayPeakDetector, DoNotTriggerPeakMode) {
- DelayPeakDetector detector;
- const int kPacketSizeMs = 30;
- detector.SetPacketAudioLength(kPacketSizeMs);
-
- // Load up normal arrival times; 0 ms, 30 ms, 60 ms, 90 ms, ...
- const int kNumPackets = 1000;
- int arrival_times_ms[kNumPackets];
- for (int i = 0; i < kNumPackets; ++i) {
- arrival_times_ms[i] = i * kPacketSizeMs;
- }
-
- // Delay three packets.
- const int kPeakDelayMs = 100;
- // First delay peak.
- arrival_times_ms[100] += kPeakDelayMs;
- // Second delay peak.
- arrival_times_ms[200] += kPeakDelayMs;
- // Third delay peak.
- arrival_times_ms[400] += kPeakDelayMs;
-
- // Load into detector.
- int time = 0;
- int next = 1; // Start with the second packet to get a proper IAT.
- while (next < kNumPackets) {
- while (next < kNumPackets && arrival_times_ms[next] <= time) {
- int iat_packets = (arrival_times_ms[next] - arrival_times_ms[next - 1]) /
- kPacketSizeMs;
- const int kTargetBufferLevel = 2; // Define peaks to be iat > 4.
- EXPECT_FALSE(detector.Update(iat_packets, kTargetBufferLevel));
- ++next;
- }
- detector.IncrementCounter(10);
- time += 10; // Increase time 10 ms.
- }
-}
-} // namespace webrtc