| /* |
| * 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 "testing/gtest/include/gtest/gtest.h" |
| |
| #include "webrtc/video/report_block_stats.h" |
| |
| namespace webrtc { |
| |
| class ReportBlockStatsTest : public ::testing::Test { |
| protected: |
| ReportBlockStatsTest() : kSsrc1(0x12345), kSsrc2(0x23456) {} |
| |
| void SetUp() override { |
| // kSsrc1: block 1-3. |
| block1_1_.cumulativeLost = 10; |
| block1_1_.fractionLost = 123; |
| block1_1_.extendedHighSeqNum = 24000; |
| block1_1_.jitter = 777; |
| block1_1_.sourceSSRC = kSsrc1; |
| block1_2_.cumulativeLost = 15; |
| block1_2_.fractionLost = 0; |
| block1_2_.extendedHighSeqNum = 24100; |
| block1_2_.jitter = 222; |
| block1_2_.sourceSSRC = kSsrc1; |
| block1_3_.cumulativeLost = 50; |
| block1_3_.fractionLost = 0; |
| block1_3_.extendedHighSeqNum = 24200; |
| block1_3_.jitter = 333; |
| block1_3_.sourceSSRC = kSsrc1; |
| // kSsrc2: block 1,2. |
| block2_1_.cumulativeLost = 111; |
| block2_1_.fractionLost = 222; |
| block2_1_.extendedHighSeqNum = 8500; |
| block2_1_.jitter = 555; |
| block2_1_.sourceSSRC = kSsrc2; |
| block2_2_.cumulativeLost = 136; |
| block2_2_.fractionLost = 0; |
| block2_2_.extendedHighSeqNum = 8800; |
| block2_2_.jitter = 888; |
| block2_2_.sourceSSRC = kSsrc2; |
| |
| ssrc1block1_.push_back(block1_1_); |
| ssrc1block2_.push_back(block1_2_); |
| ssrc12block1_.push_back(block1_1_); |
| ssrc12block1_.push_back(block2_1_); |
| ssrc12block2_.push_back(block1_2_); |
| ssrc12block2_.push_back(block2_2_); |
| } |
| |
| RtcpStatistics RtcpReportBlockToRtcpStatistics( |
| const RTCPReportBlock& stats) { |
| RtcpStatistics block; |
| block.cumulative_lost = stats.cumulativeLost; |
| block.fraction_lost = stats.fractionLost; |
| block.extended_max_sequence_number = stats.extendedHighSeqNum; |
| block.jitter = stats.jitter; |
| return block; |
| } |
| |
| const uint32_t kSsrc1; |
| const uint32_t kSsrc2; |
| RTCPReportBlock block1_1_; |
| RTCPReportBlock block1_2_; |
| RTCPReportBlock block1_3_; |
| RTCPReportBlock block2_1_; |
| RTCPReportBlock block2_2_; |
| std::vector<RTCPReportBlock> ssrc1block1_; |
| std::vector<RTCPReportBlock> ssrc1block2_; |
| std::vector<RTCPReportBlock> ssrc12block1_; |
| std::vector<RTCPReportBlock> ssrc12block2_; |
| }; |
| |
| TEST_F(ReportBlockStatsTest, AggregateAndStore_NoSsrc) { |
| ReportBlockStats stats; |
| std::vector<RTCPReportBlock> empty; |
| RTCPReportBlock aggregated = stats.AggregateAndStore(empty); |
| EXPECT_EQ(0U, aggregated.fractionLost); |
| EXPECT_EQ(0U, aggregated.cumulativeLost); |
| EXPECT_EQ(0U, aggregated.jitter); |
| EXPECT_EQ(0U, aggregated.extendedHighSeqNum); |
| } |
| |
| TEST_F(ReportBlockStatsTest, AggregateAndStore_OneSsrc) { |
| ReportBlockStats stats; |
| RTCPReportBlock aggregated = stats.AggregateAndStore(ssrc1block1_); |
| // One ssrc, no aggregation done. |
| EXPECT_EQ(123U, aggregated.fractionLost); |
| EXPECT_EQ(10U, aggregated.cumulativeLost); |
| EXPECT_EQ(777U, aggregated.jitter); |
| EXPECT_EQ(24000U, aggregated.extendedHighSeqNum); |
| |
| aggregated = stats.AggregateAndStore(ssrc1block2_); |
| EXPECT_EQ(0U, aggregated.fractionLost); |
| EXPECT_EQ(15U, aggregated.cumulativeLost); |
| EXPECT_EQ(222U, aggregated.jitter); |
| EXPECT_EQ(24100U, aggregated.extendedHighSeqNum); |
| |
| // fl: 100 * (15-10) / (24100-24000) = 5% |
| EXPECT_EQ(5, stats.FractionLostInPercent()); |
| } |
| |
| TEST_F(ReportBlockStatsTest, AggregateAndStore_TwoSsrcs) { |
| ReportBlockStats stats; |
| RTCPReportBlock aggregated = stats.AggregateAndStore(ssrc12block1_); |
| EXPECT_EQ(0U, aggregated.fractionLost); |
| EXPECT_EQ(10U + 111U, aggregated.cumulativeLost); |
| EXPECT_EQ((777U + 555U) / 2, aggregated.jitter); |
| EXPECT_EQ(0U, aggregated.extendedHighSeqNum); |
| |
| aggregated = stats.AggregateAndStore(ssrc12block2_); |
| // fl: 255 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 19 |
| EXPECT_EQ(19U, aggregated.fractionLost); |
| EXPECT_EQ(15U + 136U, aggregated.cumulativeLost); |
| EXPECT_EQ((222U + 888U) / 2, aggregated.jitter); |
| EXPECT_EQ(0U, aggregated.extendedHighSeqNum); |
| |
| // fl: 100 * ((15-10) + (136-111)) / ((24100-24000) + (8800-8500)) = 7% |
| EXPECT_EQ(7, stats.FractionLostInPercent()); |
| } |
| |
| TEST_F(ReportBlockStatsTest, StoreAndGetFractionLost) { |
| const uint32_t kRemoteSsrc = 1; |
| ReportBlockStats stats; |
| EXPECT_EQ(-1, stats.FractionLostInPercent()); |
| |
| // First block. |
| stats.Store(RtcpReportBlockToRtcpStatistics(block1_1_), kRemoteSsrc, kSsrc1); |
| EXPECT_EQ(-1, stats.FractionLostInPercent()); |
| // fl: 100 * (15-10) / (24100-24000) = 5% |
| stats.Store(RtcpReportBlockToRtcpStatistics(block1_2_), kRemoteSsrc, kSsrc1); |
| EXPECT_EQ(5, stats.FractionLostInPercent()); |
| // fl: 100 * (50-10) / (24200-24000) = 20% |
| stats.Store(RtcpReportBlockToRtcpStatistics(block1_3_), kRemoteSsrc, kSsrc1); |
| EXPECT_EQ(20, stats.FractionLostInPercent()); |
| } |
| |
| } // namespace webrtc |
| |