1 /* 2 * libjingle 3 * Copyright 2012 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/media/base/streamparams.h" 29 #include "talk/media/base/testutils.h" 30 #include "webrtc/base/arraysize.h" 31 #include "webrtc/base/gunit.h" 32 33 static const uint32_t kSsrcs1[] = {1}; 34 static const uint32_t kSsrcs2[] = {1, 2}; 35 static const uint32_t kSsrcs3[] = {1, 2, 3}; 36 static const uint32_t kRtxSsrcs3[] = {4, 5, 6}; 37 38 static cricket::StreamParams CreateStreamParamsWithSsrcGroup( 39 const std::string& semantics, 40 const uint32_t ssrcs_in[], 41 size_t len) { 42 cricket::StreamParams stream; 43 std::vector<uint32_t> ssrcs(ssrcs_in, ssrcs_in + len); 44 cricket::SsrcGroup sg(semantics, ssrcs); 45 stream.ssrcs = ssrcs; 46 stream.ssrc_groups.push_back(sg); 47 return stream; 48 } 49 50 TEST(SsrcGroup, EqualNotEqual) { 51 cricket::SsrcGroup ssrc_groups[] = { 52 cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs1)), 53 cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs2)), 54 cricket::SsrcGroup("Abc", MAKE_VECTOR(kSsrcs2)), 55 cricket::SsrcGroup("abc", MAKE_VECTOR(kSsrcs2)), 56 }; 57 58 for (size_t i = 0; i < arraysize(ssrc_groups); ++i) { 59 for (size_t j = 0; j < arraysize(ssrc_groups); ++j) { 60 EXPECT_EQ((ssrc_groups[i] == ssrc_groups[j]), (i == j)); 61 EXPECT_EQ((ssrc_groups[i] != ssrc_groups[j]), (i != j)); 62 } 63 } 64 } 65 66 TEST(SsrcGroup, HasSemantics) { 67 cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1)); 68 EXPECT_TRUE(sg1.has_semantics("ABC")); 69 70 cricket::SsrcGroup sg2("Abc", MAKE_VECTOR(kSsrcs1)); 71 EXPECT_FALSE(sg2.has_semantics("ABC")); 72 73 cricket::SsrcGroup sg3("abc", MAKE_VECTOR(kSsrcs1)); 74 EXPECT_FALSE(sg3.has_semantics("ABC")); 75 } 76 77 TEST(SsrcGroup, ToString) { 78 cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1)); 79 EXPECT_STREQ("{semantics:ABC;ssrcs:[1]}", sg1.ToString().c_str()); 80 } 81 82 TEST(StreamParams, CreateLegacy) { 83 const uint32_t ssrc = 7; 84 cricket::StreamParams one_sp = cricket::StreamParams::CreateLegacy(ssrc); 85 EXPECT_EQ(1U, one_sp.ssrcs.size()); 86 EXPECT_EQ(ssrc, one_sp.first_ssrc()); 87 EXPECT_TRUE(one_sp.has_ssrcs()); 88 EXPECT_TRUE(one_sp.has_ssrc(ssrc)); 89 EXPECT_FALSE(one_sp.has_ssrc(ssrc+1)); 90 EXPECT_FALSE(one_sp.has_ssrc_groups()); 91 EXPECT_EQ(0U, one_sp.ssrc_groups.size()); 92 } 93 94 TEST(StreamParams, HasSsrcGroup) { 95 cricket::StreamParams sp = 96 CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2)); 97 EXPECT_EQ(2U, sp.ssrcs.size()); 98 EXPECT_EQ(kSsrcs2[0], sp.first_ssrc()); 99 EXPECT_TRUE(sp.has_ssrcs()); 100 EXPECT_TRUE(sp.has_ssrc(kSsrcs2[0])); 101 EXPECT_TRUE(sp.has_ssrc(kSsrcs2[1])); 102 EXPECT_TRUE(sp.has_ssrc_group("XYZ")); 103 EXPECT_EQ(1U, sp.ssrc_groups.size()); 104 EXPECT_EQ(2U, sp.ssrc_groups[0].ssrcs.size()); 105 EXPECT_EQ(kSsrcs2[0], sp.ssrc_groups[0].ssrcs[0]); 106 EXPECT_EQ(kSsrcs2[1], sp.ssrc_groups[0].ssrcs[1]); 107 } 108 109 TEST(StreamParams, GetSsrcGroup) { 110 cricket::StreamParams sp = 111 CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2)); 112 EXPECT_EQ(NULL, sp.get_ssrc_group("xyz")); 113 EXPECT_EQ(&sp.ssrc_groups[0], sp.get_ssrc_group("XYZ")); 114 } 115 116 TEST(StreamParams, EqualNotEqual) { 117 cricket::StreamParams l1 = cricket::StreamParams::CreateLegacy(1); 118 cricket::StreamParams l2 = cricket::StreamParams::CreateLegacy(2); 119 cricket::StreamParams sg1 = 120 CreateStreamParamsWithSsrcGroup("ABC", kSsrcs1, arraysize(kSsrcs1)); 121 cricket::StreamParams sg2 = 122 CreateStreamParamsWithSsrcGroup("ABC", kSsrcs2, arraysize(kSsrcs2)); 123 cricket::StreamParams sg3 = 124 CreateStreamParamsWithSsrcGroup("Abc", kSsrcs2, arraysize(kSsrcs2)); 125 cricket::StreamParams sg4 = 126 CreateStreamParamsWithSsrcGroup("abc", kSsrcs2, arraysize(kSsrcs2)); 127 cricket::StreamParams sps[] = {l1, l2, sg1, sg2, sg3, sg4}; 128 129 for (size_t i = 0; i < arraysize(sps); ++i) { 130 for (size_t j = 0; j < arraysize(sps); ++j) { 131 EXPECT_EQ((sps[i] == sps[j]), (i == j)); 132 EXPECT_EQ((sps[i] != sps[j]), (i != j)); 133 } 134 } 135 } 136 137 TEST(StreamParams, FidFunctions) { 138 uint32_t fid_ssrc; 139 140 cricket::StreamParams sp = cricket::StreamParams::CreateLegacy(1); 141 EXPECT_FALSE(sp.AddFidSsrc(10, 20)); 142 EXPECT_TRUE(sp.AddFidSsrc(1, 2)); 143 EXPECT_TRUE(sp.GetFidSsrc(1, &fid_ssrc)); 144 EXPECT_EQ(2u, fid_ssrc); 145 EXPECT_FALSE(sp.GetFidSsrc(15, &fid_ssrc)); 146 147 sp.add_ssrc(20); 148 sp.AddFidSsrc(20, 30); 149 EXPECT_TRUE(sp.GetFidSsrc(20, &fid_ssrc)); 150 EXPECT_EQ(30u, fid_ssrc); 151 152 // Manually create SsrcGroup to test bounds-checking 153 // in GetSecondarySsrc. We construct an invalid StreamParams 154 // for this. 155 std::vector<uint32_t> fid_vector; 156 fid_vector.push_back(13); 157 cricket::SsrcGroup invalid_fid_group(cricket::kFidSsrcGroupSemantics, 158 fid_vector); 159 cricket::StreamParams sp_invalid; 160 sp_invalid.add_ssrc(13); 161 sp_invalid.ssrc_groups.push_back(invalid_fid_group); 162 EXPECT_FALSE(sp_invalid.GetFidSsrc(13, &fid_ssrc)); 163 } 164 165 TEST(StreamParams, GetPrimaryAndFidSsrcs) { 166 cricket::StreamParams sp; 167 sp.ssrcs.push_back(1); 168 sp.ssrcs.push_back(2); 169 sp.ssrcs.push_back(3); 170 171 std::vector<uint32_t> primary_ssrcs; 172 sp.GetPrimarySsrcs(&primary_ssrcs); 173 std::vector<uint32_t> fid_ssrcs; 174 sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs); 175 ASSERT_EQ(1u, primary_ssrcs.size()); 176 EXPECT_EQ(1u, primary_ssrcs[0]); 177 ASSERT_EQ(0u, fid_ssrcs.size()); 178 179 sp.ssrc_groups.push_back( 180 cricket::SsrcGroup(cricket::kSimSsrcGroupSemantics, sp.ssrcs)); 181 sp.AddFidSsrc(1, 10); 182 sp.AddFidSsrc(2, 20); 183 184 primary_ssrcs.clear(); 185 sp.GetPrimarySsrcs(&primary_ssrcs); 186 fid_ssrcs.clear(); 187 sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs); 188 ASSERT_EQ(3u, primary_ssrcs.size()); 189 EXPECT_EQ(1u, primary_ssrcs[0]); 190 EXPECT_EQ(2u, primary_ssrcs[1]); 191 EXPECT_EQ(3u, primary_ssrcs[2]); 192 ASSERT_EQ(2u, fid_ssrcs.size()); 193 EXPECT_EQ(10u, fid_ssrcs[0]); 194 EXPECT_EQ(20u, fid_ssrcs[1]); 195 } 196 197 TEST(StreamParams, ToString) { 198 cricket::StreamParams sp = 199 CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2)); 200 EXPECT_STREQ("{ssrcs:[1,2];ssrc_groups:{semantics:XYZ;ssrcs:[1,2]};}", 201 sp.ToString().c_str()); 202 } 203 204 205 TEST(StreamParams, TestIsOneSsrcStream_LegacyStream) { 206 EXPECT_TRUE( 207 cricket::IsOneSsrcStream(cricket::StreamParams::CreateLegacy(13))); 208 } 209 210 TEST(StreamParams, TestIsOneSsrcStream_SingleRtxStream) { 211 cricket::StreamParams stream; 212 stream.add_ssrc(13); 213 EXPECT_TRUE(stream.AddFidSsrc(13, 14)); 214 EXPECT_TRUE(cricket::IsOneSsrcStream(stream)); 215 } 216 217 TEST(StreamParams, TestIsOneSsrcStream_SimulcastStream) { 218 EXPECT_FALSE(cricket::IsOneSsrcStream( 219 cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2)))); 220 EXPECT_FALSE(cricket::IsOneSsrcStream( 221 cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3)))); 222 } 223 224 TEST(StreamParams, TestIsOneSsrcStream_SimRtxStream) { 225 cricket::StreamParams stream = 226 cricket::CreateSimWithRtxStreamParams("cname", 227 MAKE_VECTOR(kSsrcs3), 228 MAKE_VECTOR(kRtxSsrcs3)); 229 EXPECT_FALSE(cricket::IsOneSsrcStream(stream)); 230 } 231 232 TEST(StreamParams, TestIsSimulcastStream_LegacyStream) { 233 EXPECT_FALSE( 234 cricket::IsSimulcastStream(cricket::StreamParams::CreateLegacy(13))); 235 } 236 237 TEST(StreamParams, TestIsSimulcastStream_SingleRtxStream) { 238 cricket::StreamParams stream; 239 stream.add_ssrc(13); 240 EXPECT_TRUE(stream.AddFidSsrc(13, 14)); 241 EXPECT_FALSE(cricket::IsSimulcastStream(stream)); 242 } 243 244 TEST(StreamParams, TestIsSimulcastStream_SimulcastStream) { 245 EXPECT_TRUE(cricket::IsSimulcastStream( 246 cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2)))); 247 EXPECT_TRUE(cricket::IsSimulcastStream( 248 cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3)))); 249 } 250 251 TEST(StreamParams, TestIsSimulcastStream_SimRtxStream) { 252 cricket::StreamParams stream = 253 cricket::CreateSimWithRtxStreamParams("cname", 254 MAKE_VECTOR(kSsrcs3), 255 MAKE_VECTOR(kRtxSsrcs3)); 256 EXPECT_TRUE(cricket::IsSimulcastStream(stream)); 257 } 258 259 TEST(StreamParams, TestIsSimulcastStream_InvalidStreams) { 260 // stream1 has extra non-sim, non-fid ssrc. 261 cricket::StreamParams stream1 = 262 cricket::CreateSimWithRtxStreamParams("cname", 263 MAKE_VECTOR(kSsrcs3), 264 MAKE_VECTOR(kRtxSsrcs3)); 265 stream1.add_ssrc(25); 266 EXPECT_FALSE(cricket::IsSimulcastStream(stream1)); 267 268 // stream2 has invalid fid-group (no primary). 269 cricket::StreamParams stream2; 270 stream2.add_ssrc(13); 271 EXPECT_TRUE(stream2.AddFidSsrc(13, 14)); 272 std::remove(stream2.ssrcs.begin(), stream2.ssrcs.end(), 13); 273 EXPECT_FALSE(cricket::IsSimulcastStream(stream2)); 274 275 // stream3 has two SIM groups. 276 cricket::StreamParams stream3 = 277 cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2)); 278 std::vector<uint32_t> sim_ssrcs = MAKE_VECTOR(kRtxSsrcs3); 279 cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, sim_ssrcs); 280 for (size_t i = 0; i < sim_ssrcs.size(); i++) { 281 stream3.add_ssrc(sim_ssrcs[i]); 282 } 283 stream3.ssrc_groups.push_back(sg); 284 EXPECT_FALSE(cricket::IsSimulcastStream(stream3)); 285 } 286
