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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <gtest/gtest.h> | 5 #include <gtest/gtest.h> |
| 6 | 6 |
| 7 #include "base/test/simple_test_tick_clock.h" | 7 #include "base/test/simple_test_tick_clock.h" |
| 8 #include "base/time/time.h" | 8 #include "base/time/time.h" |
| 9 #include "media/cast/rtp_common/rtp_defines.h" | 9 #include "media/cast/rtp_common/rtp_defines.h" |
| 10 #include "media/cast/rtp_receiver/receiver_stats.h" | 10 #include "media/cast/rtp_receiver/receiver_stats.h" |
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| 23 fraction_lost_(0), | 23 fraction_lost_(0), |
| 24 cumulative_lost_(0), | 24 cumulative_lost_(0), |
| 25 extended_high_sequence_number_(0), | 25 extended_high_sequence_number_(0), |
| 26 jitter_(0) { | 26 jitter_(0) { |
| 27 testing_clock_.Advance( | 27 testing_clock_.Advance( |
| 28 base::TimeDelta::FromMilliseconds(kStartMillisecond)); | 28 base::TimeDelta::FromMilliseconds(kStartMillisecond)); |
| 29 start_time_ = testing_clock_.NowTicks(); | 29 start_time_ = testing_clock_.NowTicks(); |
| 30 stats_.set_clock(&testing_clock_); | 30 stats_.set_clock(&testing_clock_); |
| 31 delta_increments_ = base::TimeDelta::FromMilliseconds(kStdTimeIncrementMs); | 31 delta_increments_ = base::TimeDelta::FromMilliseconds(kStdTimeIncrementMs); |
| 32 } | 32 } |
| 33 virtual ~ReceiverStatsTest() {} | 33 ~ReceiverStatsTest() {} |
| 34 | 34 |
| 35 virtual void SetUp() { | 35 virtual void SetUp() { |
| 36 rtp_header_.webrtc.header.sequenceNumber = 0; | 36 rtp_header_.webrtc.header.sequenceNumber = 0; |
| 37 rtp_header_.webrtc.header.timestamp = 0; | 37 rtp_header_.webrtc.header.timestamp = 0; |
| 38 } | 38 } |
| 39 | 39 |
| 40 uint32 ExpectedJitter(uint32 const_interval, int num_packets) { | 40 uint32 ExpectedJitter(uint32 const_interval, int num_packets) { |
| 41 float jitter = 0; | 41 float jitter = 0; |
| 42 // Assume timestamps have a constant kStdTimeIncrementMs interval. | 42 // Assume timestamps have a constant kStdTimeIncrementMs interval. |
| 43 float float_interval = | 43 float float_interval = |
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| 162 EXPECT_FALSE(cumulative_lost_); | 162 EXPECT_FALSE(cumulative_lost_); |
| 163 // Build extended sequence number (one wrap cycle). | 163 // Build extended sequence number (one wrap cycle). |
| 164 uint32 extended_seq_num = rtp_header_.webrtc.header.sequenceNumber - 1; | 164 uint32 extended_seq_num = rtp_header_.webrtc.header.sequenceNumber - 1; |
| 165 EXPECT_EQ(extended_seq_num, extended_high_sequence_number_); | 165 EXPECT_EQ(extended_seq_num, extended_high_sequence_number_); |
| 166 EXPECT_EQ( | 166 EXPECT_EQ( |
| 167 ExpectedJitter(kStdTimeIncrementMs + kAdditionalIncrement, 300), jitter_); | 167 ExpectedJitter(kStdTimeIncrementMs + kAdditionalIncrement, 300), jitter_); |
| 168 } | 168 } |
| 169 | 169 |
| 170 } // namespace cast | 170 } // namespace cast |
| 171 } // namespace media | 171 } // namespace media |
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