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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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41 | 41 |
42 const uint16_t kSsrc1 = 1234; | 42 const uint16_t kSsrc1 = 1234; |
43 uint16_t sequence_number = 17; | 43 uint16_t sequence_number = 17; |
44 uint64_t timestamp = 7890; | 44 uint64_t timestamp = 7890; |
45 bool retransmission = false; | 45 bool retransmission = false; |
46 | 46 |
47 // Send on the first module by letting rtp_1 be sending with correct ssrc. | 47 // Send on the first module by letting rtp_1 be sending with correct ssrc. |
48 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); | 48 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); |
49 EXPECT_CALL(rtp_1, SSRC()).Times(1).WillOnce(Return(kSsrc1)); | 49 EXPECT_CALL(rtp_1, SSRC()).Times(1).WillOnce(Return(kSsrc1)); |
50 EXPECT_CALL(rtp_1, TimeToSendPacket(kSsrc1, sequence_number, timestamp, | 50 EXPECT_CALL(rtp_1, TimeToSendPacket(kSsrc1, sequence_number, timestamp, |
51 retransmission)) | 51 retransmission, 1)) |
52 .Times(1) | 52 .Times(1) |
53 .WillOnce(Return(true)); | 53 .WillOnce(Return(true)); |
54 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _)).Times(0); | 54 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _, _)).Times(0); |
55 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, | 55 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, |
56 timestamp, retransmission, -1)); | 56 timestamp, retransmission, 1)); |
57 | 57 |
58 // Send on the second module by letting rtp_2 be sending, but not rtp_1. | 58 // Send on the second module by letting rtp_2 be sending, but not rtp_1. |
59 ++sequence_number; | 59 ++sequence_number; |
60 timestamp += 30; | 60 timestamp += 30; |
61 retransmission = true; | 61 retransmission = true; |
62 const uint16_t kSsrc2 = 4567; | 62 const uint16_t kSsrc2 = 4567; |
63 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); | 63 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); |
64 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 64 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
65 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); | 65 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); |
66 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _)).Times(0); | 66 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _, _)).Times(0); |
67 EXPECT_CALL(rtp_2, TimeToSendPacket(kSsrc2, sequence_number, timestamp, | 67 EXPECT_CALL(rtp_2, TimeToSendPacket(kSsrc2, sequence_number, timestamp, |
68 retransmission)) | 68 retransmission, 2)) |
69 .Times(1) | 69 .Times(1) |
70 .WillOnce(Return(true)); | 70 .WillOnce(Return(true)); |
71 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc2, sequence_number, | 71 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc2, sequence_number, |
72 timestamp, retransmission, -1)); | 72 timestamp, retransmission, 2)); |
73 | 73 |
74 // No module is sending, hence no packet should be sent. | 74 // No module is sending, hence no packet should be sent. |
75 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); | 75 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); |
76 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _)).Times(0); | 76 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _, _)).Times(0); |
77 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(false)); | 77 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(false)); |
78 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _)).Times(0); | 78 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _, _)).Times(0); |
79 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, | 79 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, |
80 timestamp, retransmission, -1)); | 80 timestamp, retransmission, 1)); |
81 | 81 |
82 // Add a packet with incorrect ssrc and test it's dropped in the router. | 82 // Add a packet with incorrect ssrc and test it's dropped in the router. |
83 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); | 83 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); |
84 EXPECT_CALL(rtp_1, SSRC()).Times(1).WillOnce(Return(kSsrc1)); | 84 EXPECT_CALL(rtp_1, SSRC()).Times(1).WillOnce(Return(kSsrc1)); |
85 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 85 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
86 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); | 86 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); |
87 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _)).Times(0); | 87 EXPECT_CALL(rtp_1, TimeToSendPacket(_, _, _, _, _)).Times(0); |
88 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _)).Times(0); | 88 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _, _)).Times(0); |
89 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1 + kSsrc2, sequence_number, | 89 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1 + kSsrc2, sequence_number, |
90 timestamp, retransmission, -1)); | 90 timestamp, retransmission, 1)); |
91 | 91 |
92 packet_router_->RemoveRtpModule(&rtp_1); | 92 packet_router_->RemoveRtpModule(&rtp_1); |
93 | 93 |
94 // rtp_1 has been removed, try sending a packet on that ssrc and make sure | 94 // rtp_1 has been removed, try sending a packet on that ssrc and make sure |
95 // it is dropped as expected by not expecting any calls to rtp_1. | 95 // it is dropped as expected by not expecting any calls to rtp_1. |
96 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 96 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
97 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); | 97 EXPECT_CALL(rtp_2, SSRC()).Times(1).WillOnce(Return(kSsrc2)); |
98 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _)).Times(0); | 98 EXPECT_CALL(rtp_2, TimeToSendPacket(_, _, _, _, _)).Times(0); |
99 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, | 99 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc1, sequence_number, |
100 timestamp, retransmission, -1)); | 100 timestamp, retransmission, |
| 101 PacketInfo::kNotAProbe)); |
101 | 102 |
102 packet_router_->RemoveRtpModule(&rtp_2); | 103 packet_router_->RemoveRtpModule(&rtp_2); |
103 } | 104 } |
104 | 105 |
105 TEST_F(PacketRouterTest, TimeToSendPadding) { | 106 TEST_F(PacketRouterTest, TimeToSendPadding) { |
106 const uint16_t kSsrc1 = 1234; | 107 const uint16_t kSsrc1 = 1234; |
107 const uint16_t kSsrc2 = 4567; | 108 const uint16_t kSsrc2 = 4567; |
108 | 109 |
109 MockRtpRtcp rtp_1; | 110 MockRtpRtcp rtp_1; |
110 EXPECT_CALL(rtp_1, SSRC()).WillRepeatedly(Return(kSsrc1)); | 111 EXPECT_CALL(rtp_1, SSRC()).WillRepeatedly(Return(kSsrc1)); |
111 MockRtpRtcp rtp_2; | 112 MockRtpRtcp rtp_2; |
112 EXPECT_CALL(rtp_2, SSRC()).WillRepeatedly(Return(kSsrc2)); | 113 EXPECT_CALL(rtp_2, SSRC()).WillRepeatedly(Return(kSsrc2)); |
113 packet_router_->AddRtpModule(&rtp_1); | 114 packet_router_->AddRtpModule(&rtp_1); |
114 packet_router_->AddRtpModule(&rtp_2); | 115 packet_router_->AddRtpModule(&rtp_2); |
115 | 116 |
116 // Default configuration, sending padding on all modules sending media, | 117 // Default configuration, sending padding on all modules sending media, |
117 // ordered by SSRC. | 118 // ordered by SSRC. |
118 const size_t requested_padding_bytes = 1000; | 119 const size_t requested_padding_bytes = 1000; |
119 const size_t sent_padding_bytes = 890; | 120 const size_t sent_padding_bytes = 890; |
120 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); | 121 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(true)); |
121 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes)) | 122 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes, 111)) |
122 .Times(1) | 123 .Times(1) |
123 .WillOnce(Return(sent_padding_bytes)); | 124 .WillOnce(Return(sent_padding_bytes)); |
124 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 125 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
125 EXPECT_CALL(rtp_2, | 126 EXPECT_CALL(rtp_2, TimeToSendPadding( |
126 TimeToSendPadding(requested_padding_bytes - sent_padding_bytes)) | 127 requested_padding_bytes - sent_padding_bytes, 111)) |
127 .Times(1) | 128 .Times(1) |
128 .WillOnce(Return(requested_padding_bytes - sent_padding_bytes)); | 129 .WillOnce(Return(requested_padding_bytes - sent_padding_bytes)); |
129 EXPECT_EQ(requested_padding_bytes, | 130 EXPECT_EQ(requested_padding_bytes, |
130 packet_router_->TimeToSendPadding(requested_padding_bytes)); | 131 packet_router_->TimeToSendPadding(requested_padding_bytes, 111)); |
131 | 132 |
132 // Let only the second module be sending and verify the padding request is | 133 // Let only the second module be sending and verify the padding request is |
133 // routed there. | 134 // routed there. |
134 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); | 135 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); |
135 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes)).Times(0); | 136 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes, _)).Times(0); |
136 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 137 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
137 EXPECT_CALL(rtp_2, TimeToSendPadding(_)) | 138 EXPECT_CALL(rtp_2, TimeToSendPadding(_, _)) |
138 .Times(1) | 139 .Times(1) |
139 .WillOnce(Return(sent_padding_bytes)); | 140 .WillOnce(Return(sent_padding_bytes)); |
140 EXPECT_EQ(sent_padding_bytes, | 141 EXPECT_EQ(sent_padding_bytes, |
141 packet_router_->TimeToSendPadding(requested_padding_bytes)); | 142 packet_router_->TimeToSendPadding(requested_padding_bytes, |
| 143 PacketInfo::kNotAProbe)); |
142 | 144 |
143 // No sending module at all. | 145 // No sending module at all. |
144 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); | 146 EXPECT_CALL(rtp_1, SendingMedia()).Times(1).WillOnce(Return(false)); |
145 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes)).Times(0); | 147 EXPECT_CALL(rtp_1, TimeToSendPadding(requested_padding_bytes, _)).Times(0); |
146 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(false)); | 148 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(false)); |
147 EXPECT_CALL(rtp_2, TimeToSendPadding(_)).Times(0); | 149 EXPECT_CALL(rtp_2, TimeToSendPadding(_, _)).Times(0); |
148 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(requested_padding_bytes)); | 150 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(requested_padding_bytes, |
| 151 PacketInfo::kNotAProbe)); |
149 | 152 |
150 packet_router_->RemoveRtpModule(&rtp_1); | 153 packet_router_->RemoveRtpModule(&rtp_1); |
151 | 154 |
152 // rtp_1 has been removed, try sending padding and make sure rtp_1 isn't asked | 155 // rtp_1 has been removed, try sending padding and make sure rtp_1 isn't asked |
153 // to send by not expecting any calls. Instead verify rtp_2 is called. | 156 // to send by not expecting any calls. Instead verify rtp_2 is called. |
154 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); | 157 EXPECT_CALL(rtp_2, SendingMedia()).Times(1).WillOnce(Return(true)); |
155 EXPECT_CALL(rtp_2, TimeToSendPadding(requested_padding_bytes)).Times(1); | 158 EXPECT_CALL(rtp_2, TimeToSendPadding(requested_padding_bytes, _)).Times(1); |
156 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(requested_padding_bytes)); | 159 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(requested_padding_bytes, |
| 160 PacketInfo::kNotAProbe)); |
157 | 161 |
158 packet_router_->RemoveRtpModule(&rtp_2); | 162 packet_router_->RemoveRtpModule(&rtp_2); |
159 } | 163 } |
160 | 164 |
161 TEST_F(PacketRouterTest, SenderOnlyFunctionsRespectSendingMedia) { | 165 TEST_F(PacketRouterTest, SenderOnlyFunctionsRespectSendingMedia) { |
162 MockRtpRtcp rtp; | 166 MockRtpRtcp rtp; |
163 packet_router_->AddRtpModule(&rtp); | 167 packet_router_->AddRtpModule(&rtp); |
164 static const uint16_t kSsrc = 1234; | 168 static const uint16_t kSsrc = 1234; |
165 EXPECT_CALL(rtp, SSRC()).WillRepeatedly(Return(kSsrc)); | 169 EXPECT_CALL(rtp, SSRC()).WillRepeatedly(Return(kSsrc)); |
166 EXPECT_CALL(rtp, SendingMedia()).WillRepeatedly(Return(false)); | 170 EXPECT_CALL(rtp, SendingMedia()).WillRepeatedly(Return(false)); |
167 | 171 |
168 // Verify that TimeToSendPacket does not end up in a receiver. | 172 // Verify that TimeToSendPacket does not end up in a receiver. |
169 EXPECT_CALL(rtp, TimeToSendPacket(_, _, _, _)).Times(0); | 173 EXPECT_CALL(rtp, TimeToSendPacket(_, _, _, _, _)).Times(0); |
170 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc, 1, 1, false, -1)); | 174 EXPECT_TRUE(packet_router_->TimeToSendPacket(kSsrc, 1, 1, false, |
| 175 PacketInfo::kNotAProbe)); |
171 // Verify that TimeToSendPadding does not end up in a receiver. | 176 // Verify that TimeToSendPadding does not end up in a receiver. |
172 EXPECT_CALL(rtp, TimeToSendPadding(_)).Times(0); | 177 EXPECT_CALL(rtp, TimeToSendPadding(_, _)).Times(0); |
173 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(200)); | 178 EXPECT_EQ(0u, packet_router_->TimeToSendPadding(200, PacketInfo::kNotAProbe)); |
174 | 179 |
175 packet_router_->RemoveRtpModule(&rtp); | 180 packet_router_->RemoveRtpModule(&rtp); |
176 } | 181 } |
177 | 182 |
178 TEST_F(PacketRouterTest, AllocateSequenceNumbers) { | 183 TEST_F(PacketRouterTest, AllocateSequenceNumbers) { |
179 const uint16_t kStartSeq = 0xFFF0; | 184 const uint16_t kStartSeq = 0xFFF0; |
180 const size_t kNumPackets = 32; | 185 const size_t kNumPackets = 32; |
181 | 186 |
182 packet_router_->SetTransportWideSequenceNumber(kStartSeq - 1); | 187 packet_router_->SetTransportWideSequenceNumber(kStartSeq - 1); |
183 | 188 |
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196 | 201 |
197 rtcp::TransportFeedback feedback; | 202 rtcp::TransportFeedback feedback; |
198 EXPECT_CALL(rtp_1, SendFeedbackPacket(_)).Times(1); | 203 EXPECT_CALL(rtp_1, SendFeedbackPacket(_)).Times(1); |
199 packet_router_->SendFeedback(&feedback); | 204 packet_router_->SendFeedback(&feedback); |
200 packet_router_->RemoveRtpModule(&rtp_1); | 205 packet_router_->RemoveRtpModule(&rtp_1); |
201 EXPECT_CALL(rtp_2, SendFeedbackPacket(_)).Times(1); | 206 EXPECT_CALL(rtp_2, SendFeedbackPacket(_)).Times(1); |
202 packet_router_->SendFeedback(&feedback); | 207 packet_router_->SendFeedback(&feedback); |
203 packet_router_->RemoveRtpModule(&rtp_2); | 208 packet_router_->RemoveRtpModule(&rtp_2); |
204 } | 209 } |
205 } // namespace webrtc | 210 } // namespace webrtc |
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