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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include <stdint.h> | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/test/simple_test_tick_clock.h" | |
| 12 #include "media/base/video_frame.h" | |
| 13 #include "media/cast/cast_environment.h" | |
| 14 #include "media/cast/logging/simple_event_subscriber.h" | |
| 15 #include "media/cast/test/fake_single_thread_task_runner.h" | |
| 16 #include "media/cast/test/fake_video_encode_accelerator.h" | |
| 17 #include "media/cast/test/utility/default_config.h" | |
| 18 #include "media/cast/test/utility/video_utility.h" | |
| 19 #include "media/cast/transport/cast_transport_config.h" | |
| 20 #include "media/cast/transport/cast_transport_sender_impl.h" | |
| 21 #include "media/cast/transport/pacing/paced_sender.h" | |
| 22 #include "media/cast/video_sender/video_sender.h" | |
| 23 #include "testing/gmock/include/gmock/gmock.h" | |
| 24 #include "testing/gtest/include/gtest/gtest.h" | |
| 25 | |
| 26 namespace media { | |
| 27 namespace cast { | |
| 28 | |
| 29 namespace { | |
| 30 static const uint8 kPixelValue = 123; | |
| 31 static const int kWidth = 320; | |
| 32 static const int kHeight = 240; | |
| 33 | |
| 34 using testing::_; | |
| 35 using testing::AtLeast; | |
| 36 | |
| 37 void CreateVideoEncodeAccelerator( | |
| 38 const scoped_refptr<base::SingleThreadTaskRunner>& task_runner, | |
| 39 scoped_ptr<VideoEncodeAccelerator> fake_vea, | |
| 40 const ReceiveVideoEncodeAcceleratorCallback& callback) { | |
| 41 callback.Run(task_runner, fake_vea.Pass()); | |
| 42 } | |
| 43 | |
| 44 void CreateSharedMemory( | |
| 45 size_t size, const ReceiveVideoEncodeMemoryCallback& callback) { | |
| 46 scoped_ptr<base::SharedMemory> shm(new base::SharedMemory()); | |
| 47 if (!shm->CreateAndMapAnonymous(size)) { | |
| 48 NOTREACHED(); | |
| 49 return; | |
| 50 } | |
| 51 callback.Run(shm.Pass()); | |
| 52 } | |
| 53 | |
| 54 class TestPacketSender : public transport::PacketSender { | |
| 55 public: | |
| 56 TestPacketSender() | |
| 57 : number_of_rtp_packets_(0), | |
| 58 number_of_rtcp_packets_(0), | |
| 59 paused_(false) {} | |
| 60 | |
| 61 // A singular packet implies a RTCP packet. | |
| 62 virtual bool SendPacket(transport::PacketRef packet, | |
| 63 const base::Closure& cb) OVERRIDE { | |
| 64 if (paused_) { | |
| 65 stored_packet_ = packet; | |
| 66 callback_ = cb; | |
| 67 return false; | |
| 68 } | |
| 69 if (Rtcp::IsRtcpPacket(&packet->data[0], packet->data.size())) { | |
| 70 ++number_of_rtcp_packets_; | |
| 71 } else { | |
| 72 // Check that at least one RTCP packet was sent before the first RTP | |
| 73 // packet. This confirms that the receiver will have the necessary lip | |
| 74 // sync info before it has to calculate the playout time of the first | |
| 75 // frame. | |
| 76 if (number_of_rtp_packets_ == 0) | |
| 77 EXPECT_LE(1, number_of_rtcp_packets_); | |
| 78 ++number_of_rtp_packets_; | |
| 79 } | |
| 80 return true; | |
| 81 } | |
| 82 | |
| 83 int number_of_rtp_packets() const { return number_of_rtp_packets_; } | |
| 84 | |
| 85 int number_of_rtcp_packets() const { return number_of_rtcp_packets_; } | |
| 86 | |
| 87 void SetPause(bool paused) { | |
| 88 paused_ = paused; | |
| 89 if (!paused && stored_packet_) { | |
| 90 SendPacket(stored_packet_, callback_); | |
| 91 callback_.Run(); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 private: | |
| 96 int number_of_rtp_packets_; | |
| 97 int number_of_rtcp_packets_; | |
| 98 bool paused_; | |
| 99 base::Closure callback_; | |
| 100 transport::PacketRef stored_packet_; | |
| 101 | |
| 102 DISALLOW_COPY_AND_ASSIGN(TestPacketSender); | |
| 103 }; | |
| 104 | |
| 105 class PeerVideoSender : public VideoSender { | |
| 106 public: | |
| 107 PeerVideoSender( | |
| 108 scoped_refptr<CastEnvironment> cast_environment, | |
| 109 const VideoSenderConfig& video_config, | |
| 110 const CreateVideoEncodeAcceleratorCallback& create_vea_cb, | |
| 111 const CreateVideoEncodeMemoryCallback& create_video_encode_mem_cb, | |
| 112 transport::CastTransportSender* const transport_sender) | |
| 113 : VideoSender(cast_environment, | |
| 114 video_config, | |
| 115 create_vea_cb, | |
| 116 create_video_encode_mem_cb, | |
| 117 transport_sender) {} | |
| 118 using VideoSender::OnReceivedCastFeedback; | |
| 119 }; | |
| 120 } // namespace | |
| 121 | |
| 122 class VideoSenderTest : public ::testing::Test { | |
| 123 protected: | |
| 124 VideoSenderTest() { | |
| 125 testing_clock_ = new base::SimpleTestTickClock(); | |
| 126 testing_clock_->Advance(base::TimeTicks::Now() - base::TimeTicks()); | |
| 127 task_runner_ = new test::FakeSingleThreadTaskRunner(testing_clock_); | |
| 128 cast_environment_ = | |
| 129 new CastEnvironment(scoped_ptr<base::TickClock>(testing_clock_).Pass(), | |
| 130 task_runner_, | |
| 131 task_runner_, | |
| 132 task_runner_); | |
| 133 last_pixel_value_ = kPixelValue; | |
| 134 net::IPEndPoint dummy_endpoint; | |
| 135 transport_sender_.reset(new transport::CastTransportSenderImpl( | |
| 136 NULL, | |
| 137 testing_clock_, | |
| 138 dummy_endpoint, | |
| 139 base::Bind(&UpdateCastTransportStatus), | |
| 140 transport::BulkRawEventsCallback(), | |
| 141 base::TimeDelta(), | |
| 142 task_runner_, | |
| 143 &transport_)); | |
| 144 } | |
| 145 | |
| 146 virtual ~VideoSenderTest() {} | |
| 147 | |
| 148 virtual void TearDown() OVERRIDE { | |
| 149 video_sender_.reset(); | |
| 150 task_runner_->RunTasks(); | |
| 151 } | |
| 152 | |
| 153 static void UpdateCastTransportStatus(transport::CastTransportStatus status) { | |
| 154 EXPECT_EQ(transport::TRANSPORT_VIDEO_INITIALIZED, status); | |
| 155 } | |
| 156 | |
| 157 void InitEncoder(bool external) { | |
| 158 VideoSenderConfig video_config; | |
| 159 video_config.ssrc = 1; | |
| 160 video_config.incoming_feedback_ssrc = 2; | |
| 161 video_config.rtcp_c_name = "video_test@10.1.1.1"; | |
| 162 video_config.rtp_payload_type = 127; | |
| 163 video_config.use_external_encoder = external; | |
| 164 video_config.width = kWidth; | |
| 165 video_config.height = kHeight; | |
| 166 video_config.max_bitrate = 5000000; | |
| 167 video_config.min_bitrate = 1000000; | |
| 168 video_config.start_bitrate = 1000000; | |
| 169 video_config.max_qp = 56; | |
| 170 video_config.min_qp = 0; | |
| 171 video_config.max_frame_rate = 30; | |
| 172 video_config.max_number_of_video_buffers_used = 1; | |
| 173 video_config.codec = transport::CODEC_VIDEO_VP8; | |
| 174 | |
| 175 if (external) { | |
| 176 scoped_ptr<VideoEncodeAccelerator> fake_vea( | |
| 177 new test::FakeVideoEncodeAccelerator(task_runner_)); | |
| 178 video_sender_.reset( | |
| 179 new PeerVideoSender(cast_environment_, | |
| 180 video_config, | |
| 181 base::Bind(&CreateVideoEncodeAccelerator, | |
| 182 task_runner_, | |
| 183 base::Passed(&fake_vea)), | |
| 184 base::Bind(&CreateSharedMemory), | |
| 185 transport_sender_.get())); | |
| 186 } else { | |
| 187 video_sender_.reset( | |
| 188 new PeerVideoSender(cast_environment_, | |
| 189 video_config, | |
| 190 CreateDefaultVideoEncodeAcceleratorCallback(), | |
| 191 CreateDefaultVideoEncodeMemoryCallback(), | |
| 192 transport_sender_.get())); | |
| 193 } | |
| 194 ASSERT_EQ(STATUS_VIDEO_INITIALIZED, video_sender_->InitializationResult()); | |
| 195 } | |
| 196 | |
| 197 scoped_refptr<media::VideoFrame> GetNewVideoFrame() { | |
| 198 gfx::Size size(kWidth, kHeight); | |
| 199 scoped_refptr<media::VideoFrame> video_frame = | |
| 200 media::VideoFrame::CreateFrame( | |
| 201 VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta()); | |
| 202 PopulateVideoFrame(video_frame, last_pixel_value_++); | |
| 203 return video_frame; | |
| 204 } | |
| 205 | |
| 206 scoped_refptr<media::VideoFrame> GetLargeNewVideoFrame() { | |
| 207 gfx::Size size(kWidth, kHeight); | |
| 208 scoped_refptr<media::VideoFrame> video_frame = | |
| 209 media::VideoFrame::CreateFrame( | |
| 210 VideoFrame::I420, size, gfx::Rect(size), size, base::TimeDelta()); | |
| 211 PopulateVideoFrameWithNoise(video_frame); | |
| 212 return video_frame; | |
| 213 } | |
| 214 | |
| 215 void RunTasks(int during_ms) { | |
| 216 task_runner_->Sleep(base::TimeDelta::FromMilliseconds(during_ms)); | |
| 217 } | |
| 218 | |
| 219 base::SimpleTestTickClock* testing_clock_; // Owned by CastEnvironment. | |
| 220 TestPacketSender transport_; | |
| 221 scoped_ptr<transport::CastTransportSenderImpl> transport_sender_; | |
| 222 scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_; | |
| 223 scoped_ptr<PeerVideoSender> video_sender_; | |
| 224 scoped_refptr<CastEnvironment> cast_environment_; | |
| 225 int last_pixel_value_; | |
| 226 | |
| 227 DISALLOW_COPY_AND_ASSIGN(VideoSenderTest); | |
| 228 }; | |
| 229 | |
| 230 TEST_F(VideoSenderTest, BuiltInEncoder) { | |
| 231 InitEncoder(false); | |
| 232 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 233 | |
| 234 const base::TimeTicks capture_time = testing_clock_->NowTicks(); | |
| 235 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 236 | |
| 237 task_runner_->RunTasks(); | |
| 238 EXPECT_LE(1, transport_.number_of_rtp_packets()); | |
| 239 EXPECT_LE(1, transport_.number_of_rtcp_packets()); | |
| 240 } | |
| 241 | |
| 242 TEST_F(VideoSenderTest, ExternalEncoder) { | |
| 243 InitEncoder(true); | |
| 244 task_runner_->RunTasks(); | |
| 245 | |
| 246 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 247 | |
| 248 const base::TimeTicks capture_time = testing_clock_->NowTicks(); | |
| 249 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 250 | |
| 251 task_runner_->RunTasks(); | |
| 252 | |
| 253 // We need to run the task to cleanup the GPU instance. | |
| 254 video_sender_.reset(NULL); | |
| 255 task_runner_->RunTasks(); | |
| 256 } | |
| 257 | |
| 258 TEST_F(VideoSenderTest, RtcpTimer) { | |
| 259 InitEncoder(false); | |
| 260 | |
| 261 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 262 | |
| 263 const base::TimeTicks capture_time = testing_clock_->NowTicks(); | |
| 264 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 265 | |
| 266 // Make sure that we send at least one RTCP packet. | |
| 267 base::TimeDelta max_rtcp_timeout = | |
| 268 base::TimeDelta::FromMilliseconds(1 + kDefaultRtcpIntervalMs * 3 / 2); | |
| 269 | |
| 270 RunTasks(max_rtcp_timeout.InMilliseconds()); | |
| 271 EXPECT_LE(1, transport_.number_of_rtp_packets()); | |
| 272 EXPECT_LE(1, transport_.number_of_rtcp_packets()); | |
| 273 // Build Cast msg and expect RTCP packet. | |
| 274 RtcpCastMessage cast_feedback(1); | |
| 275 cast_feedback.media_ssrc_ = 2; | |
| 276 cast_feedback.ack_frame_id_ = 0; | |
| 277 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 278 RunTasks(max_rtcp_timeout.InMilliseconds()); | |
| 279 EXPECT_LE(1, transport_.number_of_rtcp_packets()); | |
| 280 } | |
| 281 | |
| 282 TEST_F(VideoSenderTest, ResendTimer) { | |
| 283 InitEncoder(false); | |
| 284 | |
| 285 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 286 | |
| 287 const base::TimeTicks capture_time = testing_clock_->NowTicks(); | |
| 288 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 289 | |
| 290 // ACK the key frame. | |
| 291 RtcpCastMessage cast_feedback(1); | |
| 292 cast_feedback.media_ssrc_ = 2; | |
| 293 cast_feedback.ack_frame_id_ = 0; | |
| 294 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 295 | |
| 296 video_frame = GetNewVideoFrame(); | |
| 297 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 298 | |
| 299 base::TimeDelta max_resend_timeout = | |
| 300 base::TimeDelta::FromMilliseconds(1 + kDefaultRtpMaxDelayMs); | |
| 301 | |
| 302 // Make sure that we do a re-send. | |
| 303 RunTasks(max_resend_timeout.InMilliseconds()); | |
| 304 // Should have sent at least 3 packets. | |
| 305 EXPECT_LE( | |
| 306 3, | |
| 307 transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets()); | |
| 308 } | |
| 309 | |
| 310 TEST_F(VideoSenderTest, LogAckReceivedEvent) { | |
| 311 InitEncoder(false); | |
| 312 SimpleEventSubscriber event_subscriber; | |
| 313 cast_environment_->Logging()->AddRawEventSubscriber(&event_subscriber); | |
| 314 | |
| 315 int num_frames = 10; | |
| 316 for (int i = 0; i < num_frames; i++) { | |
| 317 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 318 | |
| 319 const base::TimeTicks capture_time = testing_clock_->NowTicks(); | |
| 320 video_sender_->InsertRawVideoFrame(video_frame, capture_time); | |
| 321 RunTasks(33); | |
| 322 } | |
| 323 | |
| 324 task_runner_->RunTasks(); | |
| 325 | |
| 326 RtcpCastMessage cast_feedback(1); | |
| 327 cast_feedback.ack_frame_id_ = num_frames - 1; | |
| 328 | |
| 329 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 330 | |
| 331 std::vector<FrameEvent> frame_events; | |
| 332 event_subscriber.GetFrameEventsAndReset(&frame_events); | |
| 333 | |
| 334 ASSERT_TRUE(!frame_events.empty()); | |
| 335 EXPECT_EQ(FRAME_ACK_RECEIVED, frame_events.rbegin()->type); | |
| 336 EXPECT_EQ(VIDEO_EVENT, frame_events.rbegin()->media_type); | |
| 337 EXPECT_EQ(num_frames - 1u, frame_events.rbegin()->frame_id); | |
| 338 | |
| 339 cast_environment_->Logging()->RemoveRawEventSubscriber(&event_subscriber); | |
| 340 } | |
| 341 | |
| 342 TEST_F(VideoSenderTest, StopSendingInTheAbsenceOfAck) { | |
| 343 InitEncoder(false); | |
| 344 // Send a stream of frames and don't ACK; by default we shouldn't have more | |
| 345 // than 4 frames in flight. | |
| 346 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 347 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 348 RunTasks(33); | |
| 349 | |
| 350 // Send 3 more frames and record the number of packets sent. | |
| 351 for (int i = 0; i < 3; ++i) { | |
| 352 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 353 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 354 RunTasks(33); | |
| 355 } | |
| 356 const int number_of_packets_sent = transport_.number_of_rtp_packets(); | |
| 357 | |
| 358 // Send 3 more frames - they should not be encoded, as we have not received | |
| 359 // any acks. | |
| 360 for (int i = 0; i < 3; ++i) { | |
| 361 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 362 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 363 RunTasks(33); | |
| 364 } | |
| 365 | |
| 366 // We expect a frame to be retransmitted because of duplicated ACKs. | |
| 367 // Only one packet of the frame is re-transmitted. | |
| 368 EXPECT_EQ(number_of_packets_sent + 1, | |
| 369 transport_.number_of_rtp_packets()); | |
| 370 | |
| 371 // Start acking and make sure we're back to steady-state. | |
| 372 RtcpCastMessage cast_feedback(1); | |
| 373 cast_feedback.media_ssrc_ = 2; | |
| 374 cast_feedback.ack_frame_id_ = 0; | |
| 375 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 376 EXPECT_LE( | |
| 377 4, | |
| 378 transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets()); | |
| 379 | |
| 380 // Empty the pipeline. | |
| 381 RunTasks(100); | |
| 382 // Should have sent at least 7 packets. | |
| 383 EXPECT_LE( | |
| 384 7, | |
| 385 transport_.number_of_rtp_packets() + transport_.number_of_rtcp_packets()); | |
| 386 } | |
| 387 | |
| 388 TEST_F(VideoSenderTest, DuplicateAckRetransmit) { | |
| 389 InitEncoder(false); | |
| 390 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 391 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 392 RunTasks(33); | |
| 393 RtcpCastMessage cast_feedback(1); | |
| 394 cast_feedback.media_ssrc_ = 2; | |
| 395 cast_feedback.ack_frame_id_ = 0; | |
| 396 | |
| 397 // Send 3 more frames but don't ACK. | |
| 398 for (int i = 0; i < 3; ++i) { | |
| 399 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 400 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 401 RunTasks(33); | |
| 402 } | |
| 403 const int number_of_packets_sent = transport_.number_of_rtp_packets(); | |
| 404 | |
| 405 // Send duplicated ACKs and mix some invalid NACKs. | |
| 406 for (int i = 0; i < 10; ++i) { | |
| 407 RtcpCastMessage ack_feedback(1); | |
| 408 ack_feedback.media_ssrc_ = 2; | |
| 409 ack_feedback.ack_frame_id_ = 0; | |
| 410 RtcpCastMessage nack_feedback(1); | |
| 411 nack_feedback.media_ssrc_ = 2; | |
| 412 nack_feedback.missing_frames_and_packets_[255] = PacketIdSet(); | |
| 413 video_sender_->OnReceivedCastFeedback(ack_feedback); | |
| 414 video_sender_->OnReceivedCastFeedback(nack_feedback); | |
| 415 } | |
| 416 EXPECT_EQ(number_of_packets_sent, transport_.number_of_rtp_packets()); | |
| 417 | |
| 418 // Re-transmit one packet because of duplicated ACKs. | |
| 419 for (int i = 0; i < 3; ++i) { | |
| 420 RtcpCastMessage ack_feedback(1); | |
| 421 ack_feedback.media_ssrc_ = 2; | |
| 422 ack_feedback.ack_frame_id_ = 0; | |
| 423 video_sender_->OnReceivedCastFeedback(ack_feedback); | |
| 424 } | |
| 425 EXPECT_EQ(number_of_packets_sent + 1, transport_.number_of_rtp_packets()); | |
| 426 } | |
| 427 | |
| 428 TEST_F(VideoSenderTest, DuplicateAckRetransmitDoesNotCancelRetransmits) { | |
| 429 InitEncoder(false); | |
| 430 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 431 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 432 RunTasks(33); | |
| 433 RtcpCastMessage cast_feedback(1); | |
| 434 cast_feedback.media_ssrc_ = 2; | |
| 435 cast_feedback.ack_frame_id_ = 0; | |
| 436 | |
| 437 // Send 2 more frames but don't ACK. | |
| 438 for (int i = 0; i < 2; ++i) { | |
| 439 scoped_refptr<media::VideoFrame> video_frame = GetNewVideoFrame(); | |
| 440 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 441 RunTasks(33); | |
| 442 } | |
| 443 // Pause the transport | |
| 444 transport_.SetPause(true); | |
| 445 | |
| 446 // Insert one more video frame. | |
| 447 video_frame = GetLargeNewVideoFrame(); | |
| 448 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 449 RunTasks(33); | |
| 450 | |
| 451 const int number_of_packets_sent = transport_.number_of_rtp_packets(); | |
| 452 | |
| 453 // Send duplicated ACKs and mix some invalid NACKs. | |
| 454 for (int i = 0; i < 10; ++i) { | |
| 455 RtcpCastMessage ack_feedback(1); | |
| 456 ack_feedback.media_ssrc_ = 2; | |
| 457 ack_feedback.ack_frame_id_ = 0; | |
| 458 RtcpCastMessage nack_feedback(1); | |
| 459 nack_feedback.media_ssrc_ = 2; | |
| 460 nack_feedback.missing_frames_and_packets_[255] = PacketIdSet(); | |
| 461 video_sender_->OnReceivedCastFeedback(ack_feedback); | |
| 462 video_sender_->OnReceivedCastFeedback(nack_feedback); | |
| 463 } | |
| 464 EXPECT_EQ(number_of_packets_sent, transport_.number_of_rtp_packets()); | |
| 465 | |
| 466 // Re-transmit one packet because of duplicated ACKs. | |
| 467 for (int i = 0; i < 3; ++i) { | |
| 468 RtcpCastMessage ack_feedback(1); | |
| 469 ack_feedback.media_ssrc_ = 2; | |
| 470 ack_feedback.ack_frame_id_ = 0; | |
| 471 video_sender_->OnReceivedCastFeedback(ack_feedback); | |
| 472 } | |
| 473 | |
| 474 transport_.SetPause(false); | |
| 475 RunTasks(100); | |
| 476 EXPECT_LT(number_of_packets_sent + 1, transport_.number_of_rtp_packets()); | |
| 477 } | |
| 478 | |
| 479 TEST_F(VideoSenderTest, AcksCancelRetransmits) { | |
| 480 InitEncoder(false); | |
| 481 transport_.SetPause(true); | |
| 482 scoped_refptr<media::VideoFrame> video_frame = GetLargeNewVideoFrame(); | |
| 483 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 484 RunTasks(33); | |
| 485 | |
| 486 // Frame should be in buffer, waiting. Now let's ack it. | |
| 487 RtcpCastMessage cast_feedback(1); | |
| 488 cast_feedback.media_ssrc_ = 2; | |
| 489 cast_feedback.ack_frame_id_ = 0; | |
| 490 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 491 | |
| 492 transport_.SetPause(false); | |
| 493 RunTasks(33); | |
| 494 EXPECT_EQ(0, transport_.number_of_rtp_packets()); | |
| 495 } | |
| 496 | |
| 497 TEST_F(VideoSenderTest, NAcksCancelRetransmits) { | |
| 498 InitEncoder(false); | |
| 499 transport_.SetPause(true); | |
| 500 // Send two video frames. | |
| 501 scoped_refptr<media::VideoFrame> video_frame = GetLargeNewVideoFrame(); | |
| 502 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 503 RunTasks(33); | |
| 504 video_frame = GetLargeNewVideoFrame(); | |
| 505 video_sender_->InsertRawVideoFrame(video_frame, testing_clock_->NowTicks()); | |
| 506 RunTasks(33); | |
| 507 | |
| 508 // Frames should be in buffer, waiting. Now let's ack the first one and nack | |
| 509 // one packet in the second one. | |
| 510 RtcpCastMessage cast_feedback(1); | |
| 511 cast_feedback.media_ssrc_ = 2; | |
| 512 cast_feedback.ack_frame_id_ = 0; | |
| 513 PacketIdSet missing_packets; | |
| 514 missing_packets.insert(0); | |
| 515 cast_feedback.missing_frames_and_packets_[1] = missing_packets; | |
| 516 video_sender_->OnReceivedCastFeedback(cast_feedback); | |
| 517 | |
| 518 transport_.SetPause(false); | |
| 519 RunTasks(33); | |
| 520 // Only one packet should be retransmitted. | |
| 521 EXPECT_EQ(1, transport_.number_of_rtp_packets()); | |
| 522 } | |
| 523 | |
| 524 } // namespace cast | |
| 525 } // namespace media | |
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Chromium Code Reviews
Issue 388663003:
Cast: Reshuffle files under media/cast (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src