1 // libjingle 2 // Copyright 2004 Google Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // 1. Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // 3. The name of the author may not be used to endorse or promote products 13 // derived from this software without specific prior written permission. 14 // 15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 16 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 26 #ifndef TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_ // NOLINT 27 #define TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_ 28 29 #include <string> 30 #include <vector> 31 32 #include "talk/base/bytebuffer.h" 33 #include "talk/base/gunit.h" 34 #include "talk/base/timeutils.h" 35 #include "talk/media/base/fakenetworkinterface.h" 36 #include "talk/media/base/fakevideocapturer.h" 37 #include "talk/media/base/fakevideorenderer.h" 38 #include "talk/media/base/mediachannel.h" 39 #include "talk/media/base/streamparams.h" 40 41 #ifdef WIN32 42 #include <objbase.h> // NOLINT 43 #endif 44 45 #define EXPECT_FRAME_WAIT(c, w, h, t) \ 46 EXPECT_EQ_WAIT((c), renderer_.num_rendered_frames(), (t)); \ 47 EXPECT_EQ((w), renderer_.width()); \ 48 EXPECT_EQ((h), renderer_.height()); \ 49 EXPECT_EQ(0, renderer_.errors()); \ 50 51 #define EXPECT_FRAME_ON_RENDERER_WAIT(r, c, w, h, t) \ 52 EXPECT_EQ_WAIT((c), (r).num_rendered_frames(), (t)); \ 53 EXPECT_EQ((w), (r).width()); \ 54 EXPECT_EQ((h), (r).height()); \ 55 EXPECT_EQ(0, (r).errors()); \ 56 57 #define EXPECT_GT_FRAME_ON_RENDERER_WAIT(r, c, w, h, t) \ 58 EXPECT_TRUE_WAIT((r).num_rendered_frames() >= (c) && \ 59 (w) == (r).width() && \ 60 (h) == (r).height(), (t)); \ 61 EXPECT_EQ(0, (r).errors()); \ 62 63 static const uint32 kTimeout = 5000U; 64 static const uint32 kSsrc = 1234u; 65 static const uint32 kRtxSsrc = 4321u; 66 static const uint32 kSsrcs4[] = {1, 2, 3, 4}; 67 68 inline bool IsEqualRes(const cricket::VideoCodec& a, int w, int h, int fps) { 69 return a.width == w && a.height == h && a.framerate == fps; 70 } 71 72 inline bool IsEqualCodec(const cricket::VideoCodec& a, 73 const cricket::VideoCodec& b) { 74 return a.id == b.id && a.name == b.name && 75 IsEqualRes(a, b.width, b.height, b.framerate); 76 } 77 78 namespace std { 79 inline std::ostream& operator<<(std::ostream& s, const cricket::VideoCodec& c) { 80 s << "{" << c.name << "(" << c.id << "), " 81 << c.width << "x" << c.height << "x" << c.framerate << "}"; 82 return s; 83 } 84 } // namespace std 85 86 inline int TimeBetweenSend(const cricket::VideoCodec& codec) { 87 return static_cast<int>( 88 cricket::VideoFormat::FpsToInterval(codec.framerate) / 89 talk_base::kNumNanosecsPerMillisec); 90 } 91 92 // Fake video engine that makes it possible to test enabling and disabling 93 // capturer (checking that the engine state is updated and that the capturer 94 // is indeed capturing) without having to create a channel. It also makes it 95 // possible to test that the media processors are indeed being called when 96 // registered. 97 template<class T> 98 class VideoEngineOverride : public T { 99 public: 100 VideoEngineOverride() { 101 } 102 virtual ~VideoEngineOverride() { 103 } 104 bool is_camera_on() const { return T::GetVideoCapturer()->IsRunning(); } 105 void set_has_senders(bool has_senders) { 106 cricket::VideoCapturer* video_capturer = T::GetVideoCapturer(); 107 if (has_senders) { 108 video_capturer->SignalVideoFrame.connect(this, 109 &VideoEngineOverride<T>::OnLocalFrame); 110 } else { 111 video_capturer->SignalVideoFrame.disconnect(this); 112 } 113 } 114 void OnLocalFrame(cricket::VideoCapturer*, 115 const cricket::VideoFrame*) { 116 } 117 void OnLocalFrameFormat(cricket::VideoCapturer*, 118 const cricket::VideoFormat*) { 119 } 120 121 void TriggerMediaFrame( 122 uint32 ssrc, cricket::VideoFrame* frame, bool* drop_frame) { 123 T::SignalMediaFrame(ssrc, frame, drop_frame); 124 } 125 }; 126 127 // Macroes that declare test functions for a given test class, before and after 128 // Init(). 129 // To use, define a test function called FooBody and pass Foo to the macro. 130 #define TEST_PRE_VIDEOENGINE_INIT(TestClass, func) \ 131 TEST_F(TestClass, func##PreInit) { \ 132 func##Body(); \ 133 } 134 #define TEST_POST_VIDEOENGINE_INIT(TestClass, func) \ 135 TEST_F(TestClass, func##PostInit) { \ 136 EXPECT_TRUE(engine_.Init(talk_base::Thread::Current())); \ 137 func##Body(); \ 138 engine_.Terminate(); \ 139 } 140 141 template<class E> 142 class VideoEngineTest : public testing::Test { 143 protected: 144 // Tests starting and stopping the engine, and creating a channel. 145 void StartupShutdown() { 146 EXPECT_TRUE(engine_.Init(talk_base::Thread::Current())); 147 cricket::VideoMediaChannel* channel = engine_.CreateChannel(NULL); 148 EXPECT_TRUE(channel != NULL); 149 delete channel; 150 engine_.Terminate(); 151 } 152 153 #ifdef WIN32 154 // Tests that the COM reference count is not munged by the engine. 155 // Test to make sure LMI does not munge the CoInitialize reference count. 156 void CheckCoInitialize() { 157 // Initial refcount should be 0. 158 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED)); 159 160 // Engine should start even with COM already inited. 161 EXPECT_TRUE(engine_.Init(talk_base::Thread::Current())); 162 engine_.Terminate(); 163 // Refcount after terminate should be 1; this tests if it is nonzero. 164 EXPECT_EQ(S_FALSE, CoInitializeEx(NULL, COINIT_MULTITHREADED)); 165 // Decrement refcount to (hopefully) 0. 166 CoUninitialize(); 167 CoUninitialize(); 168 169 // Ensure refcount is 0. 170 EXPECT_EQ(S_OK, CoInitializeEx(NULL, COINIT_MULTITHREADED)); 171 CoUninitialize(); 172 } 173 #endif 174 175 void ConstrainNewCodecBody() { 176 cricket::VideoCodec empty, in, out; 177 cricket::VideoCodec max_settings(engine_.codecs()[0].id, 178 engine_.codecs()[0].name, 179 1280, 800, 30, 0); 180 181 // set max settings of 1280x960x30 182 EXPECT_TRUE(engine_.SetDefaultEncoderConfig( 183 cricket::VideoEncoderConfig(max_settings))); 184 185 // don't constrain the max resolution 186 in = max_settings; 187 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 188 EXPECT_PRED2(IsEqualCodec, out, in); 189 190 // constrain resolution greater than the max and wider aspect, 191 // picking best aspect (16:10) 192 in.width = 1380; 193 in.height = 800; 194 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 195 EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30); 196 197 // constrain resolution greater than the max and narrow aspect, 198 // picking best aspect (16:9) 199 in.width = 1280; 200 in.height = 740; 201 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 202 EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30); 203 204 // constrain resolution greater than the max, picking equal aspect (4:3) 205 in.width = 1280; 206 in.height = 960; 207 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 208 EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30); 209 210 // constrain resolution greater than the max, picking equal aspect (16:10) 211 in.width = 1280; 212 in.height = 800; 213 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 214 EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30); 215 216 // reduce max settings to 640x480x30 217 max_settings.width = 640; 218 max_settings.height = 480; 219 EXPECT_TRUE(engine_.SetDefaultEncoderConfig( 220 cricket::VideoEncoderConfig(max_settings))); 221 222 // don't constrain the max resolution 223 in = max_settings; 224 in.width = 640; 225 in.height = 480; 226 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 227 EXPECT_PRED2(IsEqualCodec, out, in); 228 229 // keep 16:10 if they request it 230 in.height = 400; 231 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 232 EXPECT_PRED2(IsEqualCodec, out, in); 233 234 // don't constrain lesser 4:3 resolutions 235 in.width = 320; 236 in.height = 240; 237 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 238 EXPECT_PRED2(IsEqualCodec, out, in); 239 240 // don't constrain lesser 16:10 resolutions 241 in.width = 320; 242 in.height = 200; 243 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 244 EXPECT_PRED2(IsEqualCodec, out, in); 245 246 // requested resolution of 0x0 succeeds 247 in.width = 0; 248 in.height = 0; 249 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 250 EXPECT_PRED2(IsEqualCodec, out, in); 251 252 // constrain resolution lesser than the max and wider aspect, 253 // picking best aspect (16:9) 254 in.width = 350; 255 in.height = 201; 256 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 257 EXPECT_PRED4(IsEqualRes, out, 320, 180, 30); 258 259 // constrain resolution greater than the max and narrow aspect, 260 // picking best aspect (4:3) 261 in.width = 350; 262 in.height = 300; 263 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 264 EXPECT_PRED4(IsEqualRes, out, 320, 240, 30); 265 266 // constrain resolution greater than the max and wider aspect, 267 // picking best aspect (16:9) 268 in.width = 1380; 269 in.height = 800; 270 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 271 EXPECT_PRED4(IsEqualRes, out, 640, 360, 30); 272 273 // constrain resolution greater than the max and narrow aspect, 274 // picking best aspect (4:3) 275 in.width = 1280; 276 in.height = 900; 277 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 278 EXPECT_PRED4(IsEqualRes, out, 640, 480, 30); 279 280 // constrain resolution greater than the max, picking equal aspect (4:3) 281 in.width = 1280; 282 in.height = 960; 283 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 284 EXPECT_PRED4(IsEqualRes, out, 640, 480, 30); 285 286 // constrain resolution greater than the max, picking equal aspect (16:10) 287 in.width = 1280; 288 in.height = 800; 289 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 290 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 291 292 // constrain res & fps greater than the max 293 in.framerate = 50; 294 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 295 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 296 297 // reduce max settings to 160x100x10 298 max_settings.width = 160; 299 max_settings.height = 100; 300 max_settings.framerate = 10; 301 EXPECT_TRUE(engine_.SetDefaultEncoderConfig( 302 cricket::VideoEncoderConfig(max_settings))); 303 304 // constrain res & fps to new max 305 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 306 EXPECT_PRED4(IsEqualRes, out, 160, 100, 10); 307 308 // allow 4:3 "comparable" resolutions 309 in.width = 160; 310 in.height = 120; 311 in.framerate = 10; 312 EXPECT_TRUE(engine_.CanSendCodec(in, empty, &out)); 313 EXPECT_PRED4(IsEqualRes, out, 160, 120, 10); 314 } 315 316 void ConstrainRunningCodecBody() { 317 cricket::VideoCodec in, out, current; 318 cricket::VideoCodec max_settings(engine_.codecs()[0].id, 319 engine_.codecs()[0].name, 320 1280, 800, 30, 0); 321 322 // set max settings of 1280x960x30 323 EXPECT_TRUE(engine_.SetDefaultEncoderConfig( 324 cricket::VideoEncoderConfig(max_settings))); 325 326 // establish current call at 1280x800x30 (16:10) 327 current = max_settings; 328 current.height = 800; 329 330 // Don't constrain current resolution 331 in = current; 332 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 333 EXPECT_PRED2(IsEqualCodec, out, in); 334 335 // requested resolution of 0x0 succeeds 336 in.width = 0; 337 in.height = 0; 338 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 339 EXPECT_PRED2(IsEqualCodec, out, in); 340 341 // Reduce an intermediate resolution down to the next lowest one, preserving 342 // aspect ratio. 343 in.width = 800; 344 in.height = 600; 345 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 346 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 347 348 // Clamping by aspect ratio, but still never return a dimension higher than 349 // requested. 350 in.width = 1280; 351 in.height = 720; 352 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 353 EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30); 354 355 in.width = 1279; 356 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 357 EXPECT_PRED4(IsEqualRes, out, 960, 600, 30); 358 359 in.width = 1281; 360 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 361 EXPECT_PRED4(IsEqualRes, out, 1280, 720, 30); 362 363 // Clamp large resolutions down, always preserving aspect 364 in.width = 1920; 365 in.height = 1080; 366 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 367 EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30); 368 369 in.width = 1921; 370 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 371 EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30); 372 373 in.width = 1919; 374 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 375 EXPECT_PRED4(IsEqualRes, out, 1280, 800, 30); 376 377 // reduce max settings to 640x480x30 378 max_settings.width = 640; 379 max_settings.height = 480; 380 EXPECT_TRUE(engine_.SetDefaultEncoderConfig( 381 cricket::VideoEncoderConfig(max_settings))); 382 383 // establish current call at 640x400x30 (16:10) 384 current = max_settings; 385 current.height = 400; 386 387 // Don't constrain current resolution 388 in = current; 389 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 390 EXPECT_PRED2(IsEqualCodec, out, in); 391 392 // requested resolution of 0x0 succeeds 393 in.width = 0; 394 in.height = 0; 395 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 396 EXPECT_PRED2(IsEqualCodec, out, in); 397 398 // Reduce an intermediate resolution down to the next lowest one, preserving 399 // aspect ratio. 400 in.width = 400; 401 in.height = 300; 402 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 403 EXPECT_PRED4(IsEqualRes, out, 320, 200, 30); 404 405 // Clamping by aspect ratio, but still never return a dimension higher than 406 // requested. 407 in.width = 640; 408 in.height = 360; 409 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 410 EXPECT_PRED4(IsEqualRes, out, 640, 360, 30); 411 412 in.width = 639; 413 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 414 EXPECT_PRED4(IsEqualRes, out, 480, 300, 30); 415 416 in.width = 641; 417 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 418 EXPECT_PRED4(IsEqualRes, out, 640, 360, 30); 419 420 // Clamp large resolutions down, always preserving aspect 421 in.width = 1280; 422 in.height = 800; 423 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 424 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 425 426 in.width = 1281; 427 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 428 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 429 430 in.width = 1279; 431 EXPECT_TRUE(engine_.CanSendCodec(in, current, &out)); 432 EXPECT_PRED4(IsEqualRes, out, 640, 400, 30); 433 434 // Should fail for any that are smaller than our supported formats 435 in.width = 80; 436 in.height = 80; 437 EXPECT_FALSE(engine_.CanSendCodec(in, current, &out)); 438 439 in.height = 50; 440 EXPECT_FALSE(engine_.CanSendCodec(in, current, &out)); 441 } 442 443 VideoEngineOverride<E> engine_; 444 talk_base::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_; 445 }; 446 447 template<class E, class C> 448 class VideoMediaChannelTest : public testing::Test, 449 public sigslot::has_slots<> { 450 protected: 451 virtual cricket::VideoCodec DefaultCodec() = 0; 452 453 virtual cricket::StreamParams DefaultSendStreamParams() { 454 return cricket::StreamParams::CreateLegacy(kSsrc); 455 } 456 457 virtual void SetUp() { 458 cricket::Device device("test", "device"); 459 EXPECT_TRUE(engine_.Init(talk_base::Thread::Current())); 460 channel_.reset(engine_.CreateChannel(NULL)); 461 EXPECT_TRUE(channel_.get() != NULL); 462 ConnectVideoChannelError(); 463 network_interface_.SetDestination(channel_.get()); 464 channel_->SetInterface(&network_interface_); 465 SetRendererAsDefault(); 466 media_error_ = cricket::VideoMediaChannel::ERROR_NONE; 467 channel_->SetRecvCodecs(engine_.codecs()); 468 EXPECT_TRUE(channel_->AddSendStream(DefaultSendStreamParams())); 469 470 video_capturer_.reset(new cricket::FakeVideoCapturer); 471 cricket::VideoFormat format(640, 480, 472 cricket::VideoFormat::FpsToInterval(30), 473 cricket::FOURCC_I420); 474 EXPECT_EQ(cricket::CS_RUNNING, video_capturer_->Start(format)); 475 EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get())); 476 } 477 void SetUpSecondStream() { 478 EXPECT_TRUE(channel_->AddRecvStream( 479 cricket::StreamParams::CreateLegacy(kSsrc))); 480 EXPECT_TRUE(channel_->AddRecvStream( 481 cricket::StreamParams::CreateLegacy(kSsrc + 2))); 482 // SetUp() already added kSsrc make sure duplicate SSRCs cant be added. 483 EXPECT_FALSE(channel_->AddSendStream( 484 cricket::StreamParams::CreateLegacy(kSsrc))); 485 EXPECT_TRUE(channel_->AddSendStream( 486 cricket::StreamParams::CreateLegacy(kSsrc + 2))); 487 488 video_capturer_2_.reset(new cricket::FakeVideoCapturer()); 489 cricket::VideoFormat format(640, 480, 490 cricket::VideoFormat::FpsToInterval(30), 491 cricket::FOURCC_I420); 492 EXPECT_EQ(cricket::CS_RUNNING, video_capturer_2_->Start(format)); 493 494 EXPECT_TRUE(channel_->SetCapturer(kSsrc + 2, video_capturer_2_.get())); 495 // Make the second renderer available for use by a new stream. 496 EXPECT_TRUE(channel_->SetRenderer(kSsrc + 2, &renderer2_)); 497 } 498 virtual void TearDown() { 499 channel_.reset(); 500 engine_.Terminate(); 501 } 502 void ConnectVideoChannelError() { 503 channel_->SignalMediaError.connect(this, 504 &VideoMediaChannelTest<E, C>::OnVideoChannelError); 505 } 506 bool SetDefaultCodec() { 507 return SetOneCodec(DefaultCodec()); 508 } 509 void SetRendererAsDefault() { 510 EXPECT_TRUE(channel_->SetRenderer(0, &renderer_)); 511 } 512 513 bool SetOneCodec(int pt, const char* name, int w, int h, int fr) { 514 return SetOneCodec(cricket::VideoCodec(pt, name, w, h, fr, 0)); 515 } 516 bool SetOneCodec(const cricket::VideoCodec& codec) { 517 std::vector<cricket::VideoCodec> codecs; 518 codecs.push_back(codec); 519 520 cricket::VideoFormat capture_format(codec.width, codec.height, 521 cricket::VideoFormat::FpsToInterval(codec.framerate), 522 cricket::FOURCC_I420); 523 524 if (video_capturer_) { 525 EXPECT_EQ(cricket::CS_RUNNING, video_capturer_->Start(capture_format)); 526 } 527 528 if (video_capturer_2_) { 529 EXPECT_EQ(cricket::CS_RUNNING, video_capturer_2_->Start(capture_format)); 530 } 531 532 bool sending = channel_->sending(); 533 bool success = SetSend(false); 534 if (success) 535 success = channel_->SetSendCodecs(codecs); 536 if (success) 537 success = SetSend(sending); 538 return success; 539 } 540 bool SetSend(bool send) { 541 return channel_->SetSend(send); 542 } 543 int DrainOutgoingPackets() { 544 int packets = 0; 545 do { 546 packets = NumRtpPackets(); 547 // 100 ms should be long enough. 548 talk_base::Thread::Current()->ProcessMessages(100); 549 } while (NumRtpPackets() > packets); 550 return NumRtpPackets(); 551 } 552 bool SendFrame() { 553 if (video_capturer_2_) { 554 video_capturer_2_->CaptureFrame(); 555 } 556 return video_capturer_.get() && 557 video_capturer_->CaptureFrame(); 558 } 559 bool WaitAndSendFrame(int wait_ms) { 560 bool ret = talk_base::Thread::Current()->ProcessMessages(wait_ms); 561 ret &= SendFrame(); 562 return ret; 563 } 564 // Sends frames and waits for the decoder to be fully initialized. 565 // Returns the number of frames that were sent. 566 int WaitForDecoder() { 567 #if defined(HAVE_OPENMAX) 568 // Send enough frames for the OpenMAX decoder to continue processing, and 569 // return the number of frames sent. 570 // Send frames for a full kTimeout's worth of 15fps video. 571 int frame_count = 0; 572 while (frame_count < static_cast<int>(kTimeout) / 66) { 573 EXPECT_TRUE(WaitAndSendFrame(66)); 574 ++frame_count; 575 } 576 return frame_count; 577 #else 578 return 0; 579 #endif 580 } 581 bool SendCustomVideoFrame(int w, int h) { 582 if (!video_capturer_.get()) return false; 583 return video_capturer_->CaptureCustomFrame(w, h, cricket::FOURCC_I420); 584 } 585 int NumRtpBytes() { 586 return network_interface_.NumRtpBytes(); 587 } 588 int NumRtpBytes(uint32 ssrc) { 589 return network_interface_.NumRtpBytes(ssrc); 590 } 591 int NumRtpPackets() { 592 return network_interface_.NumRtpPackets(); 593 } 594 int NumRtpPackets(uint32 ssrc) { 595 return network_interface_.NumRtpPackets(ssrc); 596 } 597 int NumSentSsrcs() { 598 return network_interface_.NumSentSsrcs(); 599 } 600 const talk_base::Buffer* GetRtpPacket(int index) { 601 return network_interface_.GetRtpPacket(index); 602 } 603 int NumRtcpPackets() { 604 return network_interface_.NumRtcpPackets(); 605 } 606 const talk_base::Buffer* GetRtcpPacket(int index) { 607 return network_interface_.GetRtcpPacket(index); 608 } 609 static int GetPayloadType(const talk_base::Buffer* p) { 610 int pt = -1; 611 ParseRtpPacket(p, NULL, &pt, NULL, NULL, NULL, NULL); 612 return pt; 613 } 614 static bool ParseRtpPacket(const talk_base::Buffer* p, bool* x, int* pt, 615 int* seqnum, uint32* tstamp, uint32* ssrc, 616 std::string* payload) { 617 talk_base::ByteBuffer buf(p->data(), p->length()); 618 uint8 u08 = 0; 619 uint16 u16 = 0; 620 uint32 u32 = 0; 621 622 // Read X and CC fields. 623 if (!buf.ReadUInt8(&u08)) return false; 624 bool extension = ((u08 & 0x10) != 0); 625 uint8 cc = (u08 & 0x0F); 626 if (x) *x = extension; 627 628 // Read PT field. 629 if (!buf.ReadUInt8(&u08)) return false; 630 if (pt) *pt = (u08 & 0x7F); 631 632 // Read Sequence Number field. 633 if (!buf.ReadUInt16(&u16)) return false; 634 if (seqnum) *seqnum = u16; 635 636 // Read Timestamp field. 637 if (!buf.ReadUInt32(&u32)) return false; 638 if (tstamp) *tstamp = u32; 639 640 // Read SSRC field. 641 if (!buf.ReadUInt32(&u32)) return false; 642 if (ssrc) *ssrc = u32; 643 644 // Skip CSRCs. 645 for (uint8 i = 0; i < cc; ++i) { 646 if (!buf.ReadUInt32(&u32)) return false; 647 } 648 649 // Skip extension header. 650 if (extension) { 651 // Read Profile-specific extension header ID 652 if (!buf.ReadUInt16(&u16)) return false; 653 654 // Read Extension header length 655 if (!buf.ReadUInt16(&u16)) return false; 656 uint16 ext_header_len = u16; 657 658 // Read Extension header 659 for (uint16 i = 0; i < ext_header_len; ++i) { 660 if (!buf.ReadUInt32(&u32)) return false; 661 } 662 } 663 664 if (payload) { 665 return buf.ReadString(payload, buf.Length()); 666 } 667 return true; 668 } 669 670 // Parse all RTCP packet, from start_index to stop_index, and count how many 671 // FIR (PT=206 and FMT=4 according to RFC 5104). If successful, set the count 672 // and return true. 673 bool CountRtcpFir(int start_index, int stop_index, int* fir_count) { 674 int count = 0; 675 for (int i = start_index; i < stop_index; ++i) { 676 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtcpPacket(i)); 677 talk_base::ByteBuffer buf(p->data(), p->length()); 678 size_t total_len = 0; 679 // The packet may be a compound RTCP packet. 680 while (total_len < p->length()) { 681 // Read FMT, type and length. 682 uint8 fmt = 0; 683 uint8 type = 0; 684 uint16 length = 0; 685 if (!buf.ReadUInt8(&fmt)) return false; 686 fmt &= 0x1F; 687 if (!buf.ReadUInt8(&type)) return false; 688 if (!buf.ReadUInt16(&length)) return false; 689 buf.Consume(length * 4); // Skip RTCP data. 690 total_len += (length + 1) * 4; 691 if ((192 == type) || ((206 == type) && (4 == fmt))) { 692 ++count; 693 } 694 } 695 } 696 697 if (fir_count) { 698 *fir_count = count; 699 } 700 return true; 701 } 702 703 void OnVideoChannelError(uint32 ssrc, 704 cricket::VideoMediaChannel::Error error) { 705 media_error_ = error; 706 } 707 708 // Test that SetSend works. 709 void SetSend() { 710 EXPECT_FALSE(channel_->sending()); 711 EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get())); 712 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 713 EXPECT_FALSE(channel_->sending()); 714 EXPECT_TRUE(SetSend(true)); 715 EXPECT_TRUE(channel_->sending()); 716 EXPECT_TRUE(SendFrame()); 717 EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout); 718 EXPECT_TRUE(SetSend(false)); 719 EXPECT_FALSE(channel_->sending()); 720 } 721 // Test that SetSend fails without codecs being set. 722 void SetSendWithoutCodecs() { 723 EXPECT_FALSE(channel_->sending()); 724 EXPECT_FALSE(SetSend(true)); 725 EXPECT_FALSE(channel_->sending()); 726 } 727 // Test that we properly set the send and recv buffer sizes by the time 728 // SetSend is called. 729 void SetSendSetsTransportBufferSizes() { 730 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 731 EXPECT_TRUE(SetSend(true)); 732 // TODO(sriniv): Remove or re-enable this. 733 // As part of b/8030474, send-buffer is size now controlled through 734 // portallocator flags. Its not set by channels. 735 // EXPECT_EQ(64 * 1024, network_interface_.sendbuf_size()); 736 EXPECT_EQ(64 * 1024, network_interface_.recvbuf_size()); 737 } 738 // Tests that we can send frames and the right payload type is used. 739 void Send(const cricket::VideoCodec& codec) { 740 EXPECT_TRUE(SetOneCodec(codec)); 741 EXPECT_TRUE(SetSend(true)); 742 EXPECT_TRUE(SendFrame()); 743 EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout); 744 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 745 EXPECT_EQ(codec.id, GetPayloadType(p.get())); 746 } 747 // Tests that we can send and receive frames. 748 void SendAndReceive(const cricket::VideoCodec& codec) { 749 EXPECT_TRUE(SetOneCodec(codec)); 750 EXPECT_TRUE(SetSend(true)); 751 EXPECT_TRUE(channel_->SetRender(true)); 752 EXPECT_EQ(0, renderer_.num_rendered_frames()); 753 EXPECT_TRUE(SendFrame()); 754 EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout); 755 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 756 EXPECT_EQ(codec.id, GetPayloadType(p.get())); 757 } 758 // Tests that we only get a VideoRenderer::SetSize() callback when needed. 759 void SendManyResizeOnce() { 760 cricket::VideoCodec codec(DefaultCodec()); 761 EXPECT_TRUE(SetOneCodec(codec)); 762 EXPECT_TRUE(SetSend(true)); 763 EXPECT_TRUE(channel_->SetRender(true)); 764 EXPECT_EQ(0, renderer_.num_rendered_frames()); 765 EXPECT_TRUE(WaitAndSendFrame(30)); 766 EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout); 767 EXPECT_TRUE(WaitAndSendFrame(30)); 768 EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout); 769 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 770 EXPECT_EQ(codec.id, GetPayloadType(p.get())); 771 EXPECT_EQ(1, renderer_.num_set_sizes()); 772 773 codec.width /= 2; 774 codec.height /= 2; 775 EXPECT_TRUE(SetOneCodec(codec)); 776 EXPECT_TRUE(WaitAndSendFrame(30)); 777 EXPECT_FRAME_WAIT(3, codec.width, codec.height, kTimeout); 778 EXPECT_EQ(2, renderer_.num_set_sizes()); 779 } 780 // Test that stats work properly for a 1-1 call. 781 void GetStats() { 782 SendAndReceive(DefaultCodec()); 783 cricket::VideoMediaInfo info; 784 EXPECT_TRUE(channel_->GetStats(&info)); 785 786 ASSERT_EQ(1U, info.senders.size()); 787 // TODO(whyuan): bytes_sent and bytes_rcvd are different. Are both payload? 788 EXPECT_GT(info.senders[0].bytes_sent, 0); 789 EXPECT_EQ(NumRtpPackets(), info.senders[0].packets_sent); 790 EXPECT_EQ(0.0, info.senders[0].fraction_lost); 791 EXPECT_EQ(0, info.senders[0].firs_rcvd); 792 EXPECT_EQ(0, info.senders[0].nacks_rcvd); 793 EXPECT_EQ(DefaultCodec().width, info.senders[0].frame_width); 794 EXPECT_EQ(DefaultCodec().height, info.senders[0].frame_height); 795 EXPECT_GT(info.senders[0].framerate_input, 0); 796 EXPECT_GT(info.senders[0].framerate_sent, 0); 797 798 ASSERT_EQ(1U, info.receivers.size()); 799 EXPECT_EQ(1U, info.senders[0].ssrcs().size()); 800 EXPECT_EQ(1U, info.receivers[0].ssrcs().size()); 801 EXPECT_EQ(info.senders[0].ssrcs()[0], info.receivers[0].ssrcs()[0]); 802 EXPECT_EQ(NumRtpBytes(), info.receivers[0].bytes_rcvd); 803 EXPECT_EQ(NumRtpPackets(), info.receivers[0].packets_rcvd); 804 EXPECT_EQ(0.0, info.receivers[0].fraction_lost); 805 EXPECT_EQ(0, info.receivers[0].packets_lost); 806 EXPECT_EQ(0, info.receivers[0].packets_concealed); 807 EXPECT_EQ(0, info.receivers[0].firs_sent); 808 EXPECT_EQ(0, info.receivers[0].nacks_sent); 809 EXPECT_EQ(DefaultCodec().width, info.receivers[0].frame_width); 810 EXPECT_EQ(DefaultCodec().height, info.receivers[0].frame_height); 811 EXPECT_GT(info.receivers[0].framerate_rcvd, 0); 812 EXPECT_GT(info.receivers[0].framerate_decoded, 0); 813 EXPECT_GT(info.receivers[0].framerate_output, 0); 814 } 815 // Test that stats work properly for a conf call with multiple recv streams. 816 void GetStatsMultipleRecvStreams() { 817 cricket::FakeVideoRenderer renderer1, renderer2; 818 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 819 cricket::VideoOptions vmo; 820 vmo.conference_mode.Set(true); 821 EXPECT_TRUE(channel_->SetOptions(vmo)); 822 EXPECT_TRUE(SetSend(true)); 823 EXPECT_TRUE(channel_->AddRecvStream( 824 cricket::StreamParams::CreateLegacy(1))); 825 EXPECT_TRUE(channel_->AddRecvStream( 826 cricket::StreamParams::CreateLegacy(2))); 827 EXPECT_TRUE(channel_->SetRenderer(1, &renderer1)); 828 EXPECT_TRUE(channel_->SetRenderer(2, &renderer2)); 829 EXPECT_TRUE(channel_->SetRender(true)); 830 EXPECT_EQ(0, renderer1.num_rendered_frames()); 831 EXPECT_EQ(0, renderer2.num_rendered_frames()); 832 std::vector<uint32> ssrcs; 833 ssrcs.push_back(1); 834 ssrcs.push_back(2); 835 network_interface_.SetConferenceMode(true, ssrcs); 836 EXPECT_TRUE(SendFrame()); 837 EXPECT_FRAME_ON_RENDERER_WAIT( 838 renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout); 839 EXPECT_FRAME_ON_RENDERER_WAIT( 840 renderer2, 1, DefaultCodec().width, DefaultCodec().height, kTimeout); 841 cricket::VideoMediaInfo info; 842 EXPECT_TRUE(channel_->GetStats(&info)); 843 844 ASSERT_EQ(1U, info.senders.size()); 845 // TODO(whyuan): bytes_sent and bytes_rcvd are different. Are both payload? 846 EXPECT_GT(info.senders[0].bytes_sent, 0); 847 EXPECT_EQ(NumRtpPackets(), info.senders[0].packets_sent); 848 EXPECT_EQ(0.0, info.senders[0].fraction_lost); 849 EXPECT_EQ(0, info.senders[0].firs_rcvd); 850 EXPECT_EQ(0, info.senders[0].nacks_rcvd); 851 EXPECT_EQ(DefaultCodec().width, info.senders[0].frame_width); 852 EXPECT_EQ(DefaultCodec().height, info.senders[0].frame_height); 853 EXPECT_GT(info.senders[0].framerate_input, 0); 854 EXPECT_GT(info.senders[0].framerate_sent, 0); 855 856 ASSERT_EQ(2U, info.receivers.size()); 857 for (size_t i = 0; i < info.receivers.size(); ++i) { 858 EXPECT_EQ(1U, info.receivers[i].ssrcs().size()); 859 EXPECT_EQ(i + 1, info.receivers[i].ssrcs()[0]); 860 EXPECT_EQ(NumRtpBytes(), info.receivers[i].bytes_rcvd); 861 EXPECT_EQ(NumRtpPackets(), info.receivers[i].packets_rcvd); 862 EXPECT_EQ(0.0, info.receivers[i].fraction_lost); 863 EXPECT_EQ(0, info.receivers[i].packets_lost); 864 EXPECT_EQ(0, info.receivers[i].packets_concealed); 865 EXPECT_EQ(0, info.receivers[i].firs_sent); 866 EXPECT_EQ(0, info.receivers[i].nacks_sent); 867 EXPECT_EQ(DefaultCodec().width, info.receivers[i].frame_width); 868 EXPECT_EQ(DefaultCodec().height, info.receivers[i].frame_height); 869 EXPECT_GT(info.receivers[i].framerate_rcvd, 0); 870 EXPECT_GT(info.receivers[i].framerate_decoded, 0); 871 EXPECT_GT(info.receivers[i].framerate_output, 0); 872 } 873 } 874 // Test that stats work properly for a conf call with multiple send streams. 875 void GetStatsMultipleSendStreams() { 876 // Normal setup; note that we set the SSRC explicitly to ensure that 877 // it will come first in the senders map. 878 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 879 cricket::VideoOptions vmo; 880 vmo.conference_mode.Set(true); 881 EXPECT_TRUE(channel_->SetOptions(vmo)); 882 EXPECT_TRUE(channel_->AddRecvStream( 883 cricket::StreamParams::CreateLegacy(1234))); 884 channel_->UpdateAspectRatio(640, 400); 885 EXPECT_TRUE(SetSend(true)); 886 EXPECT_TRUE(channel_->SetRender(true)); 887 EXPECT_TRUE(SendFrame()); 888 EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout); 889 EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout); 890 891 // Add an additional capturer, and hook up a renderer to receive it. 892 cricket::FakeVideoRenderer renderer1; 893 talk_base::scoped_ptr<cricket::FakeVideoCapturer> capturer( 894 new cricket::FakeVideoCapturer); 895 capturer->SetScreencast(true); 896 cricket::VideoFormat format(1024, 768, 897 cricket::VideoFormat::FpsToInterval(5), 0); 898 EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(format)); 899 EXPECT_TRUE(channel_->AddSendStream( 900 cricket::StreamParams::CreateLegacy(5678))); 901 EXPECT_TRUE(channel_->SetCapturer(5678, capturer.get())); 902 EXPECT_TRUE(channel_->AddRecvStream( 903 cricket::StreamParams::CreateLegacy(5678))); 904 EXPECT_TRUE(channel_->SetRenderer(5678, &renderer1)); 905 EXPECT_TRUE(capturer->CaptureCustomFrame(1024, 768, cricket::FOURCC_I420)); 906 EXPECT_FRAME_ON_RENDERER_WAIT(renderer1, 1, 1024, 768, kTimeout); 907 908 // Get stats, and make sure they are correct for two senders. 909 cricket::VideoMediaInfo info; 910 EXPECT_TRUE(channel_->GetStats(&info)); 911 ASSERT_EQ(2U, info.senders.size()); 912 EXPECT_EQ(NumRtpPackets(), 913 info.senders[0].packets_sent + info.senders[1].packets_sent); 914 EXPECT_EQ(1U, info.senders[0].ssrcs().size()); 915 EXPECT_EQ(1234U, info.senders[0].ssrcs()[0]); 916 EXPECT_EQ(DefaultCodec().width, info.senders[0].frame_width); 917 EXPECT_EQ(DefaultCodec().height, info.senders[0].frame_height); 918 EXPECT_EQ(1U, info.senders[1].ssrcs().size()); 919 EXPECT_EQ(5678U, info.senders[1].ssrcs()[0]); 920 EXPECT_EQ(1024, info.senders[1].frame_width); 921 EXPECT_EQ(768, info.senders[1].frame_height); 922 // The capturer must be unregistered here as it runs out of it's scope next. 923 EXPECT_TRUE(channel_->SetCapturer(5678, NULL)); 924 } 925 926 // Test that we can set the bandwidth to auto or a specific value. 927 void SetSendBandwidth() { 928 EXPECT_TRUE(channel_->SetSendBandwidth(true, -1)); 929 EXPECT_TRUE(channel_->SetSendBandwidth(true, 128 * 1024)); 930 EXPECT_TRUE(channel_->SetSendBandwidth(false, -1)); 931 EXPECT_TRUE(channel_->SetSendBandwidth(false, 128 * 1024)); 932 } 933 // Test that we can set the SSRC for the default send source. 934 void SetSendSsrc() { 935 EXPECT_TRUE(SetDefaultCodec()); 936 EXPECT_TRUE(SetSend(true)); 937 EXPECT_TRUE(SendFrame()); 938 EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout); 939 uint32 ssrc = 0; 940 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 941 ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL); 942 EXPECT_EQ(kSsrc, ssrc); 943 EXPECT_EQ(NumRtpPackets(), NumRtpPackets(ssrc)); 944 EXPECT_EQ(NumRtpBytes(), NumRtpBytes(ssrc)); 945 EXPECT_EQ(1, NumSentSsrcs()); 946 EXPECT_EQ(0, NumRtpPackets(kSsrc - 1)); 947 EXPECT_EQ(0, NumRtpBytes(kSsrc - 1)); 948 } 949 // Test that we can set the SSRC even after codecs are set. 950 void SetSendSsrcAfterSetCodecs() { 951 // Remove stream added in Setup. 952 EXPECT_TRUE(channel_->RemoveSendStream(kSsrc)); 953 EXPECT_TRUE(SetDefaultCodec()); 954 EXPECT_TRUE(channel_->AddSendStream( 955 cricket::StreamParams::CreateLegacy(999))); 956 EXPECT_TRUE(channel_->SetCapturer(999u, video_capturer_.get())); 957 EXPECT_TRUE(SetSend(true)); 958 EXPECT_TRUE(WaitAndSendFrame(0)); 959 EXPECT_TRUE_WAIT(NumRtpPackets() > 0, kTimeout); 960 uint32 ssrc = 0; 961 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 962 ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL); 963 EXPECT_EQ(999u, ssrc); 964 EXPECT_EQ(NumRtpPackets(), NumRtpPackets(ssrc)); 965 EXPECT_EQ(NumRtpBytes(), NumRtpBytes(ssrc)); 966 EXPECT_EQ(1, NumSentSsrcs()); 967 EXPECT_EQ(0, NumRtpPackets(kSsrc)); 968 EXPECT_EQ(0, NumRtpBytes(kSsrc)); 969 } 970 // Test that we can set the default video renderer before and after 971 // media is received. 972 void SetRenderer() { 973 uint8 data1[] = { 974 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 975 }; 976 977 talk_base::Buffer packet1(data1, sizeof(data1)); 978 talk_base::SetBE32(packet1.data() + 8, kSsrc); 979 channel_->SetRenderer(0, NULL); 980 EXPECT_TRUE(SetDefaultCodec()); 981 EXPECT_TRUE(SetSend(true)); 982 EXPECT_TRUE(channel_->SetRender(true)); 983 EXPECT_EQ(0, renderer_.num_rendered_frames()); 984 channel_->OnPacketReceived(&packet1, talk_base::PacketTime()); 985 SetRendererAsDefault(); 986 EXPECT_TRUE(SendFrame()); 987 EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout); 988 } 989 990 // Tests empty StreamParams is rejected. 991 void RejectEmptyStreamParams() { 992 // Remove the send stream that was added during Setup. 993 EXPECT_TRUE(channel_->RemoveSendStream(kSsrc)); 994 995 cricket::StreamParams empty; 996 EXPECT_FALSE(channel_->AddSendStream(empty)); 997 EXPECT_TRUE(channel_->AddSendStream( 998 cricket::StreamParams::CreateLegacy(789u))); 999 } 1000 1001 // Tests setting up and configuring a send stream. 1002 void AddRemoveSendStreams() { 1003 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 1004 EXPECT_TRUE(SetSend(true)); 1005 EXPECT_TRUE(channel_->SetRender(true)); 1006 EXPECT_TRUE(SendFrame()); 1007 EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout); 1008 EXPECT_GE(2, NumRtpPackets()); 1009 uint32 ssrc = 0; 1010 size_t last_packet = NumRtpPackets() - 1; 1011 talk_base::scoped_ptr<const talk_base::Buffer> 1012 p(GetRtpPacket(static_cast<int>(last_packet))); 1013 ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL); 1014 EXPECT_EQ(kSsrc, ssrc); 1015 1016 // Remove the send stream that was added during Setup. 1017 EXPECT_TRUE(channel_->RemoveSendStream(kSsrc)); 1018 int rtp_packets = NumRtpPackets(); 1019 1020 EXPECT_TRUE(channel_->AddSendStream( 1021 cricket::StreamParams::CreateLegacy(789u))); 1022 EXPECT_TRUE(channel_->SetCapturer(789u, video_capturer_.get())); 1023 EXPECT_EQ(rtp_packets, NumRtpPackets()); 1024 // Wait 30ms to guarantee the engine does not drop the frame. 1025 EXPECT_TRUE(WaitAndSendFrame(30)); 1026 EXPECT_TRUE_WAIT(NumRtpPackets() > rtp_packets, kTimeout); 1027 1028 last_packet = NumRtpPackets() - 1; 1029 p.reset(GetRtpPacket(static_cast<int>(last_packet))); 1030 ParseRtpPacket(p.get(), NULL, NULL, NULL, NULL, &ssrc, NULL); 1031 EXPECT_EQ(789u, ssrc); 1032 } 1033 1034 // Tests adding streams already exists returns false. 1035 void AddRecvStreamsAlreadyExist() { 1036 cricket::VideoOptions vmo; 1037 vmo.conference_mode.Set(true); 1038 EXPECT_TRUE(channel_->SetOptions(vmo)); 1039 1040 EXPECT_FALSE(channel_->AddRecvStream( 1041 cricket::StreamParams::CreateLegacy(0))); 1042 1043 EXPECT_TRUE(channel_->AddRecvStream( 1044 cricket::StreamParams::CreateLegacy(1))); 1045 EXPECT_FALSE(channel_->AddRecvStream( 1046 cricket::StreamParams::CreateLegacy(1))); 1047 1048 EXPECT_TRUE(channel_->RemoveRecvStream(1)); 1049 EXPECT_FALSE(channel_->AddRecvStream( 1050 cricket::StreamParams::CreateLegacy(0))); 1051 EXPECT_TRUE(channel_->AddRecvStream( 1052 cricket::StreamParams::CreateLegacy(1))); 1053 } 1054 1055 // Tests setting up and configuring multiple incoming streams. 1056 void AddRemoveRecvStreams() { 1057 cricket::FakeVideoRenderer renderer1, renderer2; 1058 cricket::VideoOptions vmo; 1059 vmo.conference_mode.Set(true); 1060 EXPECT_TRUE(channel_->SetOptions(vmo)); 1061 // Ensure we can't set the renderer on a non-existent stream. 1062 EXPECT_FALSE(channel_->SetRenderer(1, &renderer1)); 1063 EXPECT_FALSE(channel_->SetRenderer(2, &renderer2)); 1064 cricket::VideoRenderer* renderer; 1065 EXPECT_FALSE(channel_->GetRenderer(1, &renderer)); 1066 EXPECT_FALSE(channel_->GetRenderer(2, &renderer)); 1067 1068 // Ensure we can add streams. 1069 EXPECT_TRUE(channel_->AddRecvStream( 1070 cricket::StreamParams::CreateLegacy(1))); 1071 EXPECT_TRUE(channel_->AddRecvStream( 1072 cricket::StreamParams::CreateLegacy(2))); 1073 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1074 // Verify the first AddRecvStream hook up to the default renderer. 1075 EXPECT_EQ(&renderer_, renderer); 1076 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1077 EXPECT_TRUE(NULL == renderer); 1078 1079 // Ensure we can now set the renderers. 1080 EXPECT_TRUE(channel_->SetRenderer(1, &renderer1)); 1081 EXPECT_TRUE(channel_->SetRenderer(2, &renderer2)); 1082 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1083 EXPECT_TRUE(&renderer1 == renderer); 1084 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1085 EXPECT_TRUE(&renderer2 == renderer); 1086 1087 // Ensure we can change the renderers if needed. 1088 EXPECT_TRUE(channel_->SetRenderer(1, &renderer2)); 1089 EXPECT_TRUE(channel_->SetRenderer(2, &renderer1)); 1090 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1091 EXPECT_TRUE(&renderer2 == renderer); 1092 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1093 EXPECT_TRUE(&renderer1 == renderer); 1094 1095 EXPECT_TRUE(channel_->RemoveRecvStream(2)); 1096 EXPECT_TRUE(channel_->RemoveRecvStream(1)); 1097 EXPECT_FALSE(channel_->GetRenderer(1, &renderer)); 1098 EXPECT_FALSE(channel_->GetRenderer(2, &renderer)); 1099 } 1100 1101 // Tests setting up and configuring multiple incoming streams in a 1102 // non-conference call. 1103 void AddRemoveRecvStreamsNoConference() { 1104 cricket::FakeVideoRenderer renderer1, renderer2; 1105 // Ensure we can't set the renderer on a non-existent stream. 1106 EXPECT_FALSE(channel_->SetRenderer(1, &renderer1)); 1107 EXPECT_FALSE(channel_->SetRenderer(2, &renderer2)); 1108 cricket::VideoRenderer* renderer; 1109 EXPECT_FALSE(channel_->GetRenderer(1, &renderer)); 1110 EXPECT_FALSE(channel_->GetRenderer(2, &renderer)); 1111 1112 // Ensure we can add streams. 1113 EXPECT_TRUE(channel_->AddRecvStream( 1114 cricket::StreamParams::CreateLegacy(1))); 1115 EXPECT_TRUE(channel_->AddRecvStream( 1116 cricket::StreamParams::CreateLegacy(2))); 1117 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1118 // Verify the first AddRecvStream hook up to the default renderer. 1119 EXPECT_EQ(&renderer_, renderer); 1120 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1121 EXPECT_TRUE(NULL == renderer); 1122 1123 // Ensure we can now set the renderers. 1124 EXPECT_TRUE(channel_->SetRenderer(1, &renderer1)); 1125 EXPECT_TRUE(channel_->SetRenderer(2, &renderer2)); 1126 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1127 EXPECT_TRUE(&renderer1 == renderer); 1128 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1129 EXPECT_TRUE(&renderer2 == renderer); 1130 1131 // Ensure we can change the renderers if needed. 1132 EXPECT_TRUE(channel_->SetRenderer(1, &renderer2)); 1133 EXPECT_TRUE(channel_->SetRenderer(2, &renderer1)); 1134 EXPECT_TRUE(channel_->GetRenderer(1, &renderer)); 1135 EXPECT_TRUE(&renderer2 == renderer); 1136 EXPECT_TRUE(channel_->GetRenderer(2, &renderer)); 1137 EXPECT_TRUE(&renderer1 == renderer); 1138 1139 EXPECT_TRUE(channel_->RemoveRecvStream(2)); 1140 EXPECT_TRUE(channel_->RemoveRecvStream(1)); 1141 EXPECT_FALSE(channel_->GetRenderer(1, &renderer)); 1142 EXPECT_FALSE(channel_->GetRenderer(2, &renderer)); 1143 } 1144 1145 // Test that no frames are rendered after the receive stream have been 1146 // removed. 1147 void AddRemoveRecvStreamAndRender() { 1148 cricket::FakeVideoRenderer renderer1; 1149 EXPECT_TRUE(SetDefaultCodec()); 1150 EXPECT_TRUE(SetSend(true)); 1151 EXPECT_TRUE(channel_->SetRender(true)); 1152 EXPECT_TRUE(channel_->AddRecvStream( 1153 cricket::StreamParams::CreateLegacy(kSsrc))); 1154 EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer1)); 1155 1156 EXPECT_TRUE(SendFrame()); 1157 EXPECT_FRAME_ON_RENDERER_WAIT( 1158 renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout); 1159 EXPECT_TRUE(channel_->RemoveRecvStream(kSsrc)); 1160 // Send three more frames. This is to avoid that the test might be flaky 1161 // due to frame dropping. 1162 for (size_t i = 0; i < 3; ++i) 1163 EXPECT_TRUE(WaitAndSendFrame(100)); 1164 1165 // Test that no more frames have been rendered. 1166 EXPECT_EQ(1, renderer1.num_rendered_frames()); 1167 1168 // Re-add the stream again and make sure it renders. 1169 EXPECT_TRUE(channel_->AddRecvStream( 1170 cricket::StreamParams::CreateLegacy(kSsrc))); 1171 // Force the next frame to be a key frame to make the receiving 1172 // decoder happy. 1173 EXPECT_TRUE(channel_->SendIntraFrame()); 1174 1175 EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer1)); 1176 EXPECT_TRUE(SendFrame()); 1177 // Because the default channel is used, RemoveRecvStream above is not going 1178 // to delete the channel. As a result the engine will continue to receive 1179 // and decode the 3 frames sent above. So it is possible we will receive 1180 // some (e.g. 1) of these 3 frames after the renderer is set again. 1181 EXPECT_GT_FRAME_ON_RENDERER_WAIT( 1182 renderer1, 2, DefaultCodec().width, DefaultCodec().height, kTimeout); 1183 } 1184 1185 // Tests the behavior of incoming streams in a conference scenario. 1186 void SimulateConference() { 1187 cricket::FakeVideoRenderer renderer1, renderer2; 1188 EXPECT_TRUE(SetDefaultCodec()); 1189 cricket::VideoOptions vmo; 1190 vmo.conference_mode.Set(true); 1191 EXPECT_TRUE(channel_->SetOptions(vmo)); 1192 EXPECT_TRUE(SetSend(true)); 1193 EXPECT_TRUE(channel_->SetRender(true)); 1194 EXPECT_TRUE(channel_->AddRecvStream( 1195 cricket::StreamParams::CreateLegacy(1))); 1196 EXPECT_TRUE(channel_->AddRecvStream( 1197 cricket::StreamParams::CreateLegacy(2))); 1198 EXPECT_TRUE(channel_->SetRenderer(1, &renderer1)); 1199 EXPECT_TRUE(channel_->SetRenderer(2, &renderer2)); 1200 EXPECT_EQ(0, renderer1.num_rendered_frames()); 1201 EXPECT_EQ(0, renderer2.num_rendered_frames()); 1202 std::vector<uint32> ssrcs; 1203 ssrcs.push_back(1); 1204 ssrcs.push_back(2); 1205 network_interface_.SetConferenceMode(true, ssrcs); 1206 EXPECT_TRUE(SendFrame()); 1207 EXPECT_FRAME_ON_RENDERER_WAIT( 1208 renderer1, 1, DefaultCodec().width, DefaultCodec().height, kTimeout); 1209 EXPECT_FRAME_ON_RENDERER_WAIT( 1210 renderer2, 1, DefaultCodec().width, DefaultCodec().height, kTimeout); 1211 1212 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 1213 EXPECT_EQ(DefaultCodec().id, GetPayloadType(p.get())); 1214 EXPECT_EQ(DefaultCodec().width, renderer1.width()); 1215 EXPECT_EQ(DefaultCodec().height, renderer1.height()); 1216 EXPECT_EQ(DefaultCodec().width, renderer2.width()); 1217 EXPECT_EQ(DefaultCodec().height, renderer2.height()); 1218 EXPECT_TRUE(channel_->RemoveRecvStream(2)); 1219 EXPECT_TRUE(channel_->RemoveRecvStream(1)); 1220 } 1221 1222 // Tests that we can add and remove capturers and frames are sent out properly 1223 void AddRemoveCapturer() { 1224 const cricket::VideoCodec codec(DefaultCodec()); 1225 const int time_between_send = TimeBetweenSend(codec); 1226 EXPECT_TRUE(SetDefaultCodec()); 1227 EXPECT_TRUE(SetSend(true)); 1228 EXPECT_TRUE(channel_->SetRender(true)); 1229 EXPECT_EQ(0, renderer_.num_rendered_frames()); 1230 EXPECT_TRUE(SendFrame()); 1231 EXPECT_FRAME_WAIT(1, codec.width, codec.height, kTimeout); 1232 talk_base::scoped_ptr<cricket::FakeVideoCapturer> capturer( 1233 new cricket::FakeVideoCapturer); 1234 capturer->SetScreencast(true); 1235 cricket::VideoFormat format(1024, 768, 1236 cricket::VideoFormat::FpsToInterval(30), 0); 1237 EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(format)); 1238 // All capturers start generating frames with the same timestamp. ViE does 1239 // not allow the same timestamp to be used. Capture one frame before 1240 // associating the capturer with the channel. 1241 EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height, 1242 cricket::FOURCC_I420)); 1243 1244 int captured_frames = 1; 1245 for (int iterations = 0; iterations < 2; ++iterations) { 1246 EXPECT_TRUE(channel_->SetCapturer(kSsrc, capturer.get())); 1247 talk_base::Thread::Current()->ProcessMessages(time_between_send); 1248 EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height, 1249 cricket::FOURCC_I420)); 1250 ++captured_frames; 1251 // Wait until frame of right size is captured. 1252 EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= captured_frames && 1253 format.width == renderer_.width() && 1254 format.height == renderer_.height() && 1255 !renderer_.black_frame(), kTimeout); 1256 EXPECT_GE(renderer_.num_rendered_frames(), captured_frames); 1257 EXPECT_EQ(format.width, renderer_.width()); 1258 EXPECT_EQ(format.height, renderer_.height()); 1259 captured_frames = renderer_.num_rendered_frames() + 1; 1260 EXPECT_FALSE(renderer_.black_frame()); 1261 EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL)); 1262 // Make sure a black frame is generated within the specified timeout. 1263 // The black frame should be the resolution of the send codec. 1264 EXPECT_TRUE_WAIT(renderer_.num_rendered_frames() >= captured_frames && 1265 codec.width == renderer_.width() && 1266 codec.height == renderer_.height() && 1267 renderer_.black_frame(), kTimeout); 1268 EXPECT_GE(renderer_.num_rendered_frames(), captured_frames); 1269 EXPECT_EQ(codec.width, renderer_.width()); 1270 EXPECT_EQ(codec.height, renderer_.height()); 1271 EXPECT_TRUE(renderer_.black_frame()); 1272 1273 // The black frame has the same timestamp as the next frame since it's 1274 // timestamp is set to the last frame's timestamp + interval. WebRTC will 1275 // not render a frame with the same timestamp so capture another frame 1276 // with the frame capturer to increment the next frame's timestamp. 1277 EXPECT_TRUE(capturer->CaptureCustomFrame(format.width, format.height, 1278 cricket::FOURCC_I420)); 1279 } 1280 } 1281 1282 // Tests that if RemoveCapturer is called without a capturer ever being 1283 // added, the plugin shouldn't crash (and no black frame should be sent). 1284 void RemoveCapturerWithoutAdd() { 1285 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 1286 EXPECT_TRUE(SetSend(true)); 1287 EXPECT_TRUE(channel_->SetRender(true)); 1288 EXPECT_EQ(0, renderer_.num_rendered_frames()); 1289 EXPECT_TRUE(SendFrame()); 1290 EXPECT_FRAME_WAIT(1, 640, 400, kTimeout); 1291 // Remove the capturer. 1292 EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL)); 1293 // Wait for one black frame for removing the capturer. 1294 EXPECT_FRAME_WAIT(2, 640, 400, kTimeout); 1295 1296 // No capturer was added, so this RemoveCapturer should 1297 // fail. 1298 EXPECT_FALSE(channel_->SetCapturer(kSsrc, NULL)); 1299 talk_base::Thread::Current()->ProcessMessages(300); 1300 // Verify no more frames were sent. 1301 EXPECT_EQ(2, renderer_.num_rendered_frames()); 1302 } 1303 1304 // Tests that we can add and remove capturer as unique sources. 1305 void AddRemoveCapturerMultipleSources() { 1306 // WebRTC implementation will drop frames if pushed to quickly. Wait the 1307 // interval time to avoid that. 1308 const cricket::VideoFormat send_format( 1309 1024, 1310 768, 1311 cricket::VideoFormat::FpsToInterval(30), 1312 0); 1313 // WebRTC implementation will drop frames if pushed to quickly. Wait the 1314 // interval time to avoid that. 1315 // Set up the stream associated with the engine. 1316 EXPECT_TRUE(channel_->AddRecvStream( 1317 cricket::StreamParams::CreateLegacy(kSsrc))); 1318 EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer_)); 1319 cricket::VideoFormat capture_format; // default format 1320 capture_format.interval = cricket::VideoFormat::FpsToInterval(30); 1321 // Set up additional stream 1. 1322 cricket::FakeVideoRenderer renderer1; 1323 EXPECT_FALSE(channel_->SetRenderer(1, &renderer1)); 1324 EXPECT_TRUE(channel_->AddRecvStream( 1325 cricket::StreamParams::CreateLegacy(1))); 1326 EXPECT_TRUE(channel_->SetRenderer(1, &renderer1)); 1327 EXPECT_TRUE(channel_->AddSendStream( 1328 cricket::StreamParams::CreateLegacy(1))); 1329 talk_base::scoped_ptr<cricket::FakeVideoCapturer> capturer1( 1330 new cricket::FakeVideoCapturer); 1331 capturer1->SetScreencast(true); 1332 EXPECT_EQ(cricket::CS_RUNNING, capturer1->Start(capture_format)); 1333 // Set up additional stream 2. 1334 cricket::FakeVideoRenderer renderer2; 1335 EXPECT_FALSE(channel_->SetRenderer(2, &renderer2)); 1336 EXPECT_TRUE(channel_->AddRecvStream( 1337 cricket::StreamParams::CreateLegacy(2))); 1338 EXPECT_TRUE(channel_->SetRenderer(2, &renderer2)); 1339 EXPECT_TRUE(channel_->AddSendStream( 1340 cricket::StreamParams::CreateLegacy(2))); 1341 talk_base::scoped_ptr<cricket::FakeVideoCapturer> capturer2( 1342 new cricket::FakeVideoCapturer); 1343 capturer2->SetScreencast(true); 1344 EXPECT_EQ(cricket::CS_RUNNING, capturer2->Start(capture_format)); 1345 // State for all the streams. 1346 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 1347 // A limitation in the lmi implementation requires that SetCapturer() is 1348 // called after SetOneCodec(). 1349 // TODO(hellner): this seems like an unnecessary constraint, fix it. 1350 EXPECT_TRUE(channel_->SetCapturer(1, capturer1.get())); 1351 EXPECT_TRUE(channel_->SetCapturer(2, capturer2.get())); 1352 EXPECT_TRUE(SetSend(true)); 1353 EXPECT_TRUE(channel_->SetRender(true)); 1354 // Test capturer associated with engine. 1355 EXPECT_TRUE(capturer1->CaptureCustomFrame(1024, 768, cricket::FOURCC_I420)); 1356 EXPECT_FRAME_ON_RENDERER_WAIT(renderer1, 1, 1024, 768, kTimeout); 1357 // Capture a frame with additional capturer2, frames should be received 1358 EXPECT_TRUE(capturer2->CaptureCustomFrame(1024, 768, cricket::FOURCC_I420)); 1359 EXPECT_FRAME_ON_RENDERER_WAIT(renderer2, 1, 1024, 768, kTimeout); 1360 // Successfully remove the capturer. 1361 EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL)); 1362 // Fail to re-remove the capturer. 1363 EXPECT_FALSE(channel_->SetCapturer(kSsrc, NULL)); 1364 // The capturers must be unregistered here as it runs out of it's scope 1365 // next. 1366 EXPECT_TRUE(channel_->SetCapturer(1, NULL)); 1367 EXPECT_TRUE(channel_->SetCapturer(2, NULL)); 1368 } 1369 1370 void HighAspectHighHeightCapturer() { 1371 const int kWidth = 80; 1372 const int kHeight = 10000; 1373 const int kScaledWidth = 20; 1374 const int kScaledHeight = 2500; 1375 1376 cricket::VideoCodec codec(DefaultCodec()); 1377 EXPECT_TRUE(SetOneCodec(codec)); 1378 EXPECT_TRUE(SetSend(true)); 1379 1380 cricket::FakeVideoRenderer renderer; 1381 EXPECT_TRUE(channel_->AddRecvStream( 1382 cricket::StreamParams::CreateLegacy(kSsrc))); 1383 EXPECT_TRUE(channel_->SetRenderer(kSsrc, &renderer)); 1384 EXPECT_TRUE(channel_->SetRender(true)); 1385 EXPECT_EQ(0, renderer.num_rendered_frames()); 1386 1387 EXPECT_TRUE(SendFrame()); 1388 EXPECT_GT_FRAME_ON_RENDERER_WAIT( 1389 renderer, 1, codec.width, codec.height, kTimeout); 1390 1391 // Registering an external capturer is currently the same as screen casting 1392 // (update the test when this changes). 1393 talk_base::scoped_ptr<cricket::FakeVideoCapturer> capturer( 1394 new cricket::FakeVideoCapturer); 1395 capturer->SetScreencast(true); 1396 const std::vector<cricket::VideoFormat>* formats = 1397 capturer->GetSupportedFormats(); 1398 cricket::VideoFormat capture_format = (*formats)[0]; 1399 EXPECT_EQ(cricket::CS_RUNNING, capturer->Start(capture_format)); 1400 // Capture frame to not get same frame timestamps as previous capturer. 1401 capturer->CaptureFrame(); 1402 EXPECT_TRUE(channel_->SetCapturer(kSsrc, capturer.get())); 1403 EXPECT_TRUE(talk_base::Thread::Current()->ProcessMessages(30)); 1404 EXPECT_TRUE(capturer->CaptureCustomFrame(kWidth, kHeight, 1405 cricket::FOURCC_ARGB)); 1406 EXPECT_TRUE(capturer->CaptureFrame()); 1407 EXPECT_GT_FRAME_ON_RENDERER_WAIT( 1408 renderer, 2, kScaledWidth, kScaledHeight, kTimeout); 1409 EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL)); 1410 } 1411 1412 // Tests that we can adapt video resolution with 16:10 aspect ratio properly. 1413 void AdaptResolution16x10() { 1414 cricket::VideoCodec codec(DefaultCodec()); 1415 codec.width = 640; 1416 codec.height = 400; 1417 SendAndReceive(codec); 1418 codec.width /= 2; 1419 codec.height /= 2; 1420 // Adapt the resolution. 1421 EXPECT_TRUE(SetOneCodec(codec)); 1422 EXPECT_TRUE(WaitAndSendFrame(30)); 1423 EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout); 1424 } 1425 // Tests that we can adapt video resolution with 4:3 aspect ratio properly. 1426 void AdaptResolution4x3() { 1427 cricket::VideoCodec codec(DefaultCodec()); 1428 codec.width = 640; 1429 codec.height = 400; 1430 SendAndReceive(codec); 1431 codec.width /= 2; 1432 codec.height /= 2; 1433 // Adapt the resolution. 1434 EXPECT_TRUE(SetOneCodec(codec)); 1435 EXPECT_TRUE(WaitAndSendFrame(30)); 1436 EXPECT_FRAME_WAIT(2, codec.width, codec.height, kTimeout); 1437 } 1438 // Tests that we can drop all frames properly. 1439 void AdaptDropAllFrames() { 1440 // Set the channel codec's resolution to 0, which will require the adapter 1441 // to drop all frames. 1442 cricket::VideoCodec codec(DefaultCodec()); 1443 codec.width = codec.height = codec.framerate = 0; 1444 EXPECT_TRUE(SetOneCodec(codec)); 1445 EXPECT_TRUE(SetSend(true)); 1446 EXPECT_TRUE(channel_->SetRender(true)); 1447 EXPECT_EQ(0, renderer_.num_rendered_frames()); 1448 EXPECT_TRUE(SendFrame()); 1449 EXPECT_TRUE(SendFrame()); 1450 talk_base::Thread::Current()->ProcessMessages(500); 1451 EXPECT_EQ(0, renderer_.num_rendered_frames()); 1452 } 1453 // Tests that we can reduce the frame rate on demand properly. 1454 // TODO(fbarchard): This test is flakey on pulse. Fix and re-enable 1455 void AdaptFramerate() { 1456 cricket::VideoCodec codec(DefaultCodec()); 1457 int frame_count = 0; 1458 // The capturer runs at 30 fps. The channel requires 30 fps. 1459 EXPECT_TRUE(SetOneCodec(codec)); 1460 EXPECT_TRUE(SetSend(true)); 1461 EXPECT_TRUE(channel_->SetRender(true)); 1462 EXPECT_EQ(frame_count, renderer_.num_rendered_frames()); 1463 EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered. 1464 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered. 1465 frame_count += 2; 1466 EXPECT_FRAME_WAIT(frame_count, codec.width, codec.height, kTimeout); 1467 talk_base::scoped_ptr<const talk_base::Buffer> p(GetRtpPacket(0)); 1468 EXPECT_EQ(codec.id, GetPayloadType(p.get())); 1469 1470 // The channel requires 15 fps. 1471 codec.framerate = 15; 1472 EXPECT_TRUE(SetOneCodec(codec)); 1473 EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered. 1474 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1475 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered. 1476 frame_count += 2; 1477 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1478 1479 // The channel requires 10 fps. 1480 codec.framerate = 10; 1481 EXPECT_TRUE(SetOneCodec(codec)); 1482 EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered. 1483 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1484 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1485 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered. 1486 frame_count += 2; 1487 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1488 1489 // The channel requires 8 fps. The adapter adapts to 10 fps, which is the 1490 // closest factor of 30. 1491 codec.framerate = 8; 1492 EXPECT_TRUE(SetOneCodec(codec)); 1493 EXPECT_TRUE(WaitAndSendFrame(0)); // Should be rendered. 1494 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1495 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1496 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered. 1497 frame_count += 2; 1498 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1499 } 1500 // Tests that we can set the send stream format properly. 1501 void SetSendStreamFormat() { 1502 cricket::VideoCodec codec(DefaultCodec()); 1503 SendAndReceive(codec); 1504 int frame_count = 1; 1505 EXPECT_FRAME_WAIT(frame_count, codec.width, codec.height, kTimeout); 1506 1507 // Adapt the resolution and frame rate to half. 1508 cricket::VideoFormat format( 1509 codec.width / 2, 1510 codec.height / 2, 1511 cricket::VideoFormat::FpsToInterval(codec.framerate / 2), 1512 cricket::FOURCC_I420); 1513 // The SSRC differs from the send SSRC. 1514 EXPECT_FALSE(channel_->SetSendStreamFormat(kSsrc - 1, format)); 1515 EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format)); 1516 1517 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1518 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be rendered. 1519 EXPECT_TRUE(WaitAndSendFrame(30)); // Should be dropped. 1520 frame_count += 1; 1521 EXPECT_FRAME_WAIT(frame_count, format.width, format.height, kTimeout); 1522 1523 // Adapt the resolution to 0x0, which should drop all frames. 1524 format.width = 0; 1525 format.height = 0; 1526 EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format)); 1527 EXPECT_TRUE(SendFrame()); 1528 EXPECT_TRUE(SendFrame()); 1529 talk_base::Thread::Current()->ProcessMessages(500); 1530 EXPECT_EQ(frame_count, renderer_.num_rendered_frames()); 1531 } 1532 // Test that setting send stream format to 0x0 resolution will result in 1533 // frames being dropped. 1534 void SetSendStreamFormat0x0() { 1535 EXPECT_TRUE(SetOneCodec(DefaultCodec())); 1536 EXPECT_TRUE(SetSend(true)); 1537 EXPECT_TRUE(channel_->SetRender(true)); 1538 EXPECT_EQ(0, renderer_.num_rendered_frames()); 1539 // This frame should be received. 1540 EXPECT_TRUE(SendFrame()); 1541 EXPECT_FRAME_WAIT(1, DefaultCodec().width, DefaultCodec().height, kTimeout); 1542 const int64 interval = cricket::VideoFormat::FpsToInterval( 1543 DefaultCodec().framerate); 1544 cricket::VideoFormat format( 1545 0, 1546 0, 1547 interval, 1548 cricket::FOURCC_I420); 1549 EXPECT_TRUE(channel_->SetSendStreamFormat(kSsrc, format)); 1550 // This frame should not be received. 1551 EXPECT_TRUE(WaitAndSendFrame( 1552 static_cast<int>(interval/talk_base::kNumNanosecsPerMillisec))); 1553 talk_base::Thread::Current()->ProcessMessages(500); 1554 EXPECT_EQ(1, renderer_.num_rendered_frames()); 1555 } 1556 1557 // Tests that we can mute and unmute the channel properly. 1558 void MuteStream() { 1559 int frame_count = 0; 1560 EXPECT_TRUE(SetDefaultCodec()); 1561 cricket::FakeVideoCapturer video_capturer; 1562 video_capturer.Start( 1563 cricket::VideoFormat( 1564 640, 480, 1565 cricket::VideoFormat::FpsToInterval(30), 1566 cricket::FOURCC_I420)); 1567 EXPECT_TRUE(channel_->SetCapturer(kSsrc, &video_capturer)); 1568 EXPECT_TRUE(SetSend(true)); 1569 EXPECT_TRUE(channel_->SetRender(true)); 1570 EXPECT_EQ(frame_count, renderer_.num_rendered_frames()); 1571 1572 // Mute the channel and expect black output frame. 1573 EXPECT_TRUE(channel_->MuteStream(kSsrc, true)); 1574 EXPECT_TRUE(video_capturer.CaptureFrame()); 1575 ++frame_count; 1576 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1577 EXPECT_TRUE(renderer_.black_frame()); 1578 1579 // Unmute the channel and expect non-black output frame. 1580 EXPECT_TRUE(channel_->MuteStream(kSsrc, false)); 1581 EXPECT_TRUE(talk_base::Thread::Current()->ProcessMessages(30)); 1582 EXPECT_TRUE(video_capturer.CaptureFrame()); 1583 ++frame_count; 1584 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1585 EXPECT_FALSE(renderer_.black_frame()); 1586 1587 // Test that we can also Mute using the correct send stream SSRC. 1588 EXPECT_TRUE(channel_->MuteStream(kSsrc, true)); 1589 EXPECT_TRUE(talk_base::Thread::Current()->ProcessMessages(30)); 1590 EXPECT_TRUE(video_capturer.CaptureFrame()); 1591 ++frame_count; 1592 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1593 EXPECT_TRUE(renderer_.black_frame()); 1594 1595 EXPECT_TRUE(channel_->MuteStream(kSsrc, false)); 1596 EXPECT_TRUE(talk_base::Thread::Current()->ProcessMessages(30)); 1597 EXPECT_TRUE(video_capturer.CaptureFrame()); 1598 ++frame_count; 1599 EXPECT_EQ_WAIT(frame_count, renderer_.num_rendered_frames(), kTimeout); 1600 EXPECT_FALSE(renderer_.black_frame()); 1601 1602 // Test that muting an invalid stream fails. 1603 EXPECT_FALSE(channel_->MuteStream(kSsrc+1, true)); 1604 EXPECT_TRUE(channel_->SetCapturer(kSsrc, NULL)); 1605 } 1606 1607 // Test that multiple send streams can be created and deleted properly. 1608 void MultipleSendStreams() { 1609 // Remove stream added in Setup. I.e. remove stream corresponding to default 1610 // channel. 1611 EXPECT_TRUE(channel_->RemoveSendStream(kSsrc)); 1612 const unsigned int kSsrcsSize = sizeof(kSsrcs4)/sizeof(kSsrcs4[0]); 1613 for (unsigned int i = 0; i < kSsrcsSize; ++i) { 1614 EXPECT_TRUE(channel_->AddSendStream( 1615 cricket::StreamParams::CreateLegacy(kSsrcs4[i]))); 1616 } 1617 // Delete one of the non default channel streams, let the destructor delete 1618 // the remaining ones. 1619 EXPECT_TRUE(channel_->RemoveSendStream(kSsrcs4[kSsrcsSize - 1])); 1620 // Stream should already be deleted. 1621 EXPECT_FALSE(channel_->RemoveSendStream(kSsrcs4[kSsrcsSize - 1])); 1622 } 1623 1624 1625 // Two streams one channel tests. 1626 1627 // Tests that we can send and receive frames. 1628 void TwoStreamsSendAndReceive(const cricket::VideoCodec& codec) { 1629 SetUpSecondStream(); 1630 // Test sending and receiving on first stream. 1631 SendAndReceive(codec); 1632 // Test sending and receiving on second stream. 1633 EXPECT_EQ_WAIT(1, renderer2_.num_rendered_frames(), kTimeout); 1634 EXPECT_EQ(2, NumRtpPackets()); 1635 EXPECT_EQ(1, renderer2_.num_rendered_frames()); 1636 } 1637 1638 // Disconnect the first stream and re-use it with another SSRC 1639 void TwoStreamsReUseFirstStream(const cricket::VideoCodec& codec) { 1640 SetUpSecondStream(); 1641 EXPECT_TRUE(channel_->RemoveRecvStream(kSsrc)); 1642 EXPECT_FALSE(channel_->RemoveRecvStream(kSsrc)); 1643 // SSRC 0 should map to the "default" stream. I.e. the first added stream. 1644 EXPECT_TRUE(channel_->RemoveSendStream(0)); 1645 // Make sure that the first added stream was indeed the "default" stream. 1646 EXPECT_FALSE(channel_->RemoveSendStream(kSsrc)); 1647 // Make sure that the "default" stream is indeed removed and that removing 1648 // the default stream has an effect. 1649 EXPECT_FALSE(channel_->RemoveSendStream(0)); 1650 1651 SetRendererAsDefault(); 1652 EXPECT_TRUE(channel_->AddSendStream( 1653 cricket::StreamParams::CreateLegacy(kSsrc))); 1654 EXPECT_FALSE(channel_->AddSendStream( 1655 cricket::StreamParams::CreateLegacy(kSsrc))); 1656 EXPECT_TRUE(channel_->AddRecvStream( 1657 cricket::StreamParams::CreateLegacy(kSsrc))); 1658 EXPECT_FALSE(channel_->AddRecvStream( 1659 cricket::StreamParams::CreateLegacy(kSsrc))); 1660 1661 EXPECT_TRUE(channel_->SetCapturer(kSsrc, video_capturer_.get())); 1662 1663 SendAndReceive(codec); 1664 EXPECT_TRUE(channel_->RemoveSendStream(0)); 1665 } 1666 1667 VideoEngineOverride<E> engine_; 1668 talk_base::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_; 1669 talk_base::scoped_ptr<cricket::FakeVideoCapturer> video_capturer_2_; 1670 talk_base::scoped_ptr<C> channel_; 1671 cricket::FakeNetworkInterface network_interface_; 1672 cricket::FakeVideoRenderer renderer_; 1673 cricket::VideoMediaChannel::Error media_error_; 1674 1675 // Used by test cases where 2 streams are run on the same channel. 1676 cricket::FakeVideoRenderer renderer2_; 1677 }; 1678 1679 #endif // TALK_MEDIA_BASE_VIDEOENGINE_UNITTEST_H_ NOLINT 1680
