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| 1 /* | |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include <memory> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp.h" | |
| 15 #include "webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.h" | |
| 16 #include "webrtc/modules/utility/include/mock/mock_process_thread.h" | |
| 17 #include "webrtc/test/gmock.h" | |
| 18 #include "webrtc/test/gtest.h" | |
| 19 #include "webrtc/video/vie_remb.h" | |
| 20 | |
| 21 using ::testing::_; | |
| 22 using ::testing::AnyNumber; | |
| 23 using ::testing::NiceMock; | |
| 24 using ::testing::Return; | |
| 25 | |
| 26 namespace webrtc { | |
| 27 | |
| 28 class ViERembTest : public ::testing::Test { | |
| 29 public: | |
| 30 ViERembTest() : fake_clock_(12345) {} | |
| 31 | |
| 32 protected: | |
| 33 virtual void SetUp() { | |
| 34 process_thread_.reset(new NiceMock<MockProcessThread>); | |
| 35 vie_remb_.reset(new VieRemb(&fake_clock_)); | |
| 36 } | |
| 37 SimulatedClock fake_clock_; | |
| 38 std::unique_ptr<MockProcessThread> process_thread_; | |
| 39 std::unique_ptr<VieRemb> vie_remb_; | |
| 40 }; | |
| 41 | |
| 42 TEST_F(ViERembTest, OneModuleTestForSendingRemb) { | |
| 43 MockRtpRtcp rtp; | |
| 44 vie_remb_->AddReceiveChannel(&rtp); | |
| 45 vie_remb_->AddRembSender(&rtp); | |
| 46 | |
| 47 const uint32_t bitrate_estimate = 456; | |
| 48 uint32_t ssrc = 1234; | |
| 49 std::vector<uint32_t> ssrcs(&ssrc, &ssrc + 1); | |
| 50 | |
| 51 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 52 | |
| 53 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 54 EXPECT_CALL(rtp, SetREMBData(bitrate_estimate, ssrcs)) | |
| 55 .Times(1); | |
| 56 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 57 | |
| 58 // Lower bitrate to send another REMB packet. | |
| 59 EXPECT_CALL(rtp, SetREMBData(bitrate_estimate - 100, ssrcs)) | |
| 60 .Times(1); | |
| 61 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate - 100); | |
| 62 | |
| 63 vie_remb_->RemoveReceiveChannel(&rtp); | |
| 64 vie_remb_->RemoveRembSender(&rtp); | |
| 65 } | |
| 66 | |
| 67 TEST_F(ViERembTest, LowerEstimateToSendRemb) { | |
| 68 MockRtpRtcp rtp; | |
| 69 vie_remb_->AddReceiveChannel(&rtp); | |
| 70 vie_remb_->AddRembSender(&rtp); | |
| 71 | |
| 72 uint32_t bitrate_estimate = 456; | |
| 73 uint32_t ssrc = 1234; | |
| 74 std::vector<uint32_t> ssrcs(&ssrc, &ssrc + 1); | |
| 75 | |
| 76 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 77 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 78 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 79 EXPECT_CALL(rtp, SetREMBData(bitrate_estimate, ssrcs)) | |
| 80 .Times(1); | |
| 81 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 82 | |
| 83 // Lower the estimate with more than 3% to trigger a call to SetREMBData right | |
| 84 // away. | |
| 85 bitrate_estimate = bitrate_estimate - 100; | |
| 86 EXPECT_CALL(rtp, SetREMBData(bitrate_estimate, ssrcs)) | |
| 87 .Times(1); | |
| 88 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 89 } | |
| 90 | |
| 91 TEST_F(ViERembTest, VerifyIncreasingAndDecreasing) { | |
| 92 MockRtpRtcp rtp_0; | |
| 93 MockRtpRtcp rtp_1; | |
| 94 vie_remb_->AddReceiveChannel(&rtp_0); | |
| 95 vie_remb_->AddRembSender(&rtp_0); | |
| 96 vie_remb_->AddReceiveChannel(&rtp_1); | |
| 97 | |
| 98 uint32_t bitrate_estimate[] = {456, 789}; | |
| 99 uint32_t ssrc[] = {1234, 5678}; | |
| 100 std::vector<uint32_t> ssrcs(ssrc, ssrc + sizeof(ssrc) / sizeof(ssrc[0])); | |
| 101 | |
| 102 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate[0]); | |
| 103 | |
| 104 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 105 EXPECT_CALL(rtp_0, SetREMBData(bitrate_estimate[0], ssrcs)) | |
| 106 .Times(1); | |
| 107 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 108 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate[0]); | |
| 109 | |
| 110 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate[1] + 100); | |
| 111 | |
| 112 // Lower the estimate to trigger a callback. | |
| 113 EXPECT_CALL(rtp_0, SetREMBData(bitrate_estimate[1], ssrcs)) | |
| 114 .Times(1); | |
| 115 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate[1]); | |
| 116 | |
| 117 vie_remb_->RemoveReceiveChannel(&rtp_0); | |
| 118 vie_remb_->RemoveRembSender(&rtp_0); | |
| 119 vie_remb_->RemoveReceiveChannel(&rtp_1); | |
| 120 } | |
| 121 | |
| 122 TEST_F(ViERembTest, NoRembForIncreasedBitrate) { | |
| 123 MockRtpRtcp rtp_0; | |
| 124 MockRtpRtcp rtp_1; | |
| 125 vie_remb_->AddReceiveChannel(&rtp_0); | |
| 126 vie_remb_->AddRembSender(&rtp_0); | |
| 127 vie_remb_->AddReceiveChannel(&rtp_1); | |
| 128 | |
| 129 uint32_t bitrate_estimate = 456; | |
| 130 uint32_t ssrc[] = {1234, 5678}; | |
| 131 std::vector<uint32_t> ssrcs(ssrc, ssrc + sizeof(ssrc) / sizeof(ssrc[0])); | |
| 132 | |
| 133 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 134 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 135 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 136 EXPECT_CALL(rtp_0, SetREMBData(bitrate_estimate, ssrcs)) | |
| 137 .Times(1); | |
| 138 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 139 | |
| 140 // Increased estimate shouldn't trigger a callback right away. | |
| 141 EXPECT_CALL(rtp_0, SetREMBData(_, _)) | |
| 142 .Times(0); | |
| 143 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate + 1); | |
| 144 | |
| 145 // Decreasing the estimate less than 3% shouldn't trigger a new callback. | |
| 146 EXPECT_CALL(rtp_0, SetREMBData(_, _)) | |
| 147 .Times(0); | |
| 148 int lower_estimate = bitrate_estimate * 98 / 100; | |
| 149 vie_remb_->OnReceiveBitrateChanged(ssrcs, lower_estimate); | |
| 150 | |
| 151 vie_remb_->RemoveReceiveChannel(&rtp_1); | |
| 152 vie_remb_->RemoveReceiveChannel(&rtp_0); | |
| 153 vie_remb_->RemoveRembSender(&rtp_0); | |
| 154 } | |
| 155 | |
| 156 TEST_F(ViERembTest, ChangeSendRtpModule) { | |
| 157 MockRtpRtcp rtp_0; | |
| 158 MockRtpRtcp rtp_1; | |
| 159 vie_remb_->AddReceiveChannel(&rtp_0); | |
| 160 vie_remb_->AddRembSender(&rtp_0); | |
| 161 vie_remb_->AddReceiveChannel(&rtp_1); | |
| 162 | |
| 163 uint32_t bitrate_estimate = 456; | |
| 164 uint32_t ssrc[] = {1234, 5678}; | |
| 165 std::vector<uint32_t> ssrcs(ssrc, ssrc + sizeof(ssrc) / sizeof(ssrc[0])); | |
| 166 | |
| 167 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 168 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 169 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 170 EXPECT_CALL(rtp_0, SetREMBData(bitrate_estimate, ssrcs)) | |
| 171 .Times(1); | |
| 172 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 173 | |
| 174 // Decrease estimate to trigger a REMB. | |
| 175 bitrate_estimate = bitrate_estimate - 100; | |
| 176 EXPECT_CALL(rtp_0, SetREMBData(bitrate_estimate, ssrcs)) | |
| 177 .Times(1); | |
| 178 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 179 | |
| 180 // Remove the sending module, add it again -> should get remb on the second | |
| 181 // module. | |
| 182 vie_remb_->RemoveRembSender(&rtp_0); | |
| 183 vie_remb_->AddRembSender(&rtp_1); | |
| 184 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 185 | |
| 186 bitrate_estimate = bitrate_estimate - 100; | |
| 187 EXPECT_CALL(rtp_1, SetREMBData(bitrate_estimate, ssrcs)) | |
| 188 .Times(1); | |
| 189 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 190 | |
| 191 vie_remb_->RemoveReceiveChannel(&rtp_0); | |
| 192 vie_remb_->RemoveReceiveChannel(&rtp_1); | |
| 193 } | |
| 194 | |
| 195 TEST_F(ViERembTest, OnlyOneRembForDoubleProcess) { | |
| 196 MockRtpRtcp rtp; | |
| 197 uint32_t bitrate_estimate = 456; | |
| 198 uint32_t ssrc = 1234; | |
| 199 std::vector<uint32_t> ssrcs(&ssrc, &ssrc + 1); | |
| 200 | |
| 201 vie_remb_->AddReceiveChannel(&rtp); | |
| 202 vie_remb_->AddRembSender(&rtp); | |
| 203 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 204 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 205 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 206 EXPECT_CALL(rtp, SetREMBData(_, _)) | |
| 207 .Times(1); | |
| 208 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 209 | |
| 210 // Lower the estimate, should trigger a call to SetREMBData right away. | |
| 211 bitrate_estimate = bitrate_estimate - 100; | |
| 212 EXPECT_CALL(rtp, SetREMBData(bitrate_estimate, ssrcs)) | |
| 213 .Times(1); | |
| 214 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 215 | |
| 216 // Call OnReceiveBitrateChanged again, this should not trigger a new callback. | |
| 217 EXPECT_CALL(rtp, SetREMBData(_, _)) | |
| 218 .Times(0); | |
| 219 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 220 vie_remb_->RemoveReceiveChannel(&rtp); | |
| 221 vie_remb_->RemoveRembSender(&rtp); | |
| 222 } | |
| 223 | |
| 224 // Only register receiving modules and make sure we fallback to trigger a REMB | |
| 225 // packet on this one. | |
| 226 TEST_F(ViERembTest, NoSendingRtpModule) { | |
| 227 MockRtpRtcp rtp; | |
| 228 vie_remb_->AddReceiveChannel(&rtp); | |
| 229 | |
| 230 uint32_t bitrate_estimate = 456; | |
| 231 uint32_t ssrc = 1234; | |
| 232 std::vector<uint32_t> ssrcs(&ssrc, &ssrc + 1); | |
| 233 | |
| 234 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 235 | |
| 236 // Call OnReceiveBitrateChanged twice to get a first estimate. | |
| 237 fake_clock_.AdvanceTimeMilliseconds(1000); | |
| 238 EXPECT_CALL(rtp, SetREMBData(_, _)) | |
| 239 .Times(1); | |
| 240 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 241 | |
| 242 // Lower the estimate to trigger a new packet REMB packet. | |
| 243 bitrate_estimate = bitrate_estimate - 100; | |
| 244 EXPECT_CALL(rtp, SetREMBData(_, _)) | |
| 245 .Times(1); | |
| 246 vie_remb_->OnReceiveBitrateChanged(ssrcs, bitrate_estimate); | |
| 247 } | |
| 248 | |
| 249 } // namespace webrtc | |
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Chromium Code Reviews
Issue 2789843002:
Delete VieRemb class, move functionality to PacketRouter. (Closed)
