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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 // | 4 // |
| 5 // This program benchmarks the theoretical throughput of the cast library. | 5 // This program benchmarks the theoretical throughput of the cast library. |
| 6 // It runs using a fake clock, simulated network and fake codecs. This allows | 6 // It runs using a fake clock, simulated network and fake codecs. This allows |
| 7 // tests to run much faster than real time. | 7 // tests to run much faster than real time. |
| 8 // To run the program, run: | 8 // To run the program, run: |
| 9 // $ ./out/Release/cast_benchmarks | tee benchmarkoutput.asc | 9 // $ ./out/Release/cast_benchmarks | tee benchmarkoutput.asc |
| 10 // This may take a while, when it is done, you can view the data with | 10 // This may take a while, when it is done, you can view the data with |
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| 145 } | 145 } |
| 146 | 146 |
| 147 void ResendFrameForKickstart(uint32 ssrc, uint32 frame_id) override { | 147 void ResendFrameForKickstart(uint32 ssrc, uint32 frame_id) override { |
| 148 transport_->ResendFrameForKickstart(ssrc, frame_id); | 148 transport_->ResendFrameForKickstart(ssrc, frame_id); |
| 149 } | 149 } |
| 150 | 150 |
| 151 PacketReceiverCallback PacketReceiverForTesting() override { | 151 PacketReceiverCallback PacketReceiverForTesting() override { |
| 152 return transport_->PacketReceiverForTesting(); | 152 return transport_->PacketReceiverForTesting(); |
| 153 } | 153 } |
| 154 | 154 |
| 155 void AddValidSsrc(uint32 ssrc) override { |
| 156 return transport_->AddValidSsrc(ssrc); |
| 157 } |
| 158 |
| 159 void SendRtcpFromRtpReceiver( |
| 160 uint32 ssrc, |
| 161 uint32 sender_ssrc, |
| 162 const RtcpTimeData& time_data, |
| 163 const RtcpCastMessage* cast_message, |
| 164 base::TimeDelta target_delay, |
| 165 const ReceiverRtcpEventSubscriber::RtcpEvents* rtcp_events, |
| 166 const RtpReceiverStatistics* rtp_receiver_statistics) override { |
| 167 return transport_->SendRtcpFromRtpReceiver(ssrc, |
| 168 sender_ssrc, |
| 169 time_data, |
| 170 cast_message, |
| 171 target_delay, |
| 172 rtcp_events, |
| 173 rtp_receiver_statistics); |
| 174 } |
| 175 |
| 155 private: | 176 private: |
| 156 scoped_ptr<CastTransportSender> transport_; | 177 scoped_ptr<CastTransportSender> transport_; |
| 157 uint32 audio_ssrc_, video_ssrc_; | 178 uint32 audio_ssrc_, video_ssrc_; |
| 158 uint64* encoded_video_bytes_; | 179 uint64* encoded_video_bytes_; |
| 159 uint64* encoded_audio_bytes_; | 180 uint64* encoded_audio_bytes_; |
| 160 }; | 181 }; |
| 161 | 182 |
| 162 struct MeasuringPoint { | 183 struct MeasuringPoint { |
| 163 MeasuringPoint(double bitrate_, double latency_, double percent_packet_drop_) | 184 MeasuringPoint(double bitrate_, double latency_, double percent_packet_drop_) |
| 164 : bitrate(bitrate_), | 185 : bitrate(bitrate_), |
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| 279 testing_clock_sender_->SetSkew(skew, offset); | 300 testing_clock_sender_->SetSkew(skew, offset); |
| 280 task_runner_sender_->SetSkew(1.0 / skew); | 301 task_runner_sender_->SetSkew(1.0 / skew); |
| 281 } | 302 } |
| 282 | 303 |
| 283 void SetReceiverClockSkew(double skew, base::TimeDelta offset) { | 304 void SetReceiverClockSkew(double skew, base::TimeDelta offset) { |
| 284 testing_clock_receiver_->SetSkew(skew, offset); | 305 testing_clock_receiver_->SetSkew(skew, offset); |
| 285 task_runner_receiver_->SetSkew(1.0 / skew); | 306 task_runner_receiver_->SetSkew(1.0 / skew); |
| 286 } | 307 } |
| 287 | 308 |
| 288 void Create(const MeasuringPoint& p) { | 309 void Create(const MeasuringPoint& p) { |
| 289 cast_receiver_ = CastReceiver::Create(cast_environment_receiver_, | |
| 290 audio_receiver_config_, | |
| 291 video_receiver_config_, | |
| 292 &receiver_to_sender_); | |
| 293 net::IPEndPoint dummy_endpoint; | 310 net::IPEndPoint dummy_endpoint; |
| 294 transport_sender_.Init( | 311 transport_sender_.Init( |
| 295 new CastTransportSenderImpl( | 312 new CastTransportSenderImpl( |
| 296 NULL, | 313 NULL, |
| 297 testing_clock_sender_, | 314 testing_clock_sender_, |
| 298 dummy_endpoint, | 315 dummy_endpoint, |
| 316 dummy_endpoint, |
| 299 make_scoped_ptr(new base::DictionaryValue), | 317 make_scoped_ptr(new base::DictionaryValue), |
| 300 base::Bind(&UpdateCastTransportStatus), | 318 base::Bind(&UpdateCastTransportStatus), |
| 301 base::Bind(&IgnoreRawEvents), | 319 base::Bind(&IgnoreRawEvents), |
| 302 base::TimeDelta::FromSeconds(1), | 320 base::TimeDelta::FromSeconds(1), |
| 303 task_runner_sender_, | 321 task_runner_sender_, |
| 322 PacketReceiverCallback(), |
| 304 &sender_to_receiver_), | 323 &sender_to_receiver_), |
| 305 &video_bytes_encoded_, | 324 &video_bytes_encoded_, |
| 306 &audio_bytes_encoded_); | 325 &audio_bytes_encoded_); |
| 307 | 326 |
| 327 transport_receiver_.reset( |
| 328 new CastTransportSenderImpl( |
| 329 NULL, |
| 330 testing_clock_receiver_, |
| 331 dummy_endpoint, |
| 332 dummy_endpoint, |
| 333 make_scoped_ptr(new base::DictionaryValue), |
| 334 base::Bind(&UpdateCastTransportStatus), |
| 335 base::Bind(&IgnoreRawEvents), |
| 336 base::TimeDelta::FromSeconds(1), |
| 337 task_runner_receiver_, |
| 338 base::Bind(&RunOneBenchmark::ReceivePacket, base::Unretained(this)), |
| 339 &receiver_to_sender_)); |
| 340 |
| 341 cast_receiver_ = CastReceiver::Create(cast_environment_receiver_, |
| 342 audio_receiver_config_, |
| 343 video_receiver_config_, |
| 344 transport_receiver_.get()); |
| 345 |
| 308 cast_sender_ = | 346 cast_sender_ = |
| 309 CastSender::Create(cast_environment_sender_, &transport_sender_); | 347 CastSender::Create(cast_environment_sender_, &transport_sender_); |
| 310 | 348 |
| 311 // Initializing audio and video senders. | 349 // Initializing audio and video senders. |
| 312 cast_sender_->InitializeAudio(audio_sender_config_, | 350 cast_sender_->InitializeAudio(audio_sender_config_, |
| 313 base::Bind(&AudioInitializationStatus)); | 351 base::Bind(&AudioInitializationStatus)); |
| 314 cast_sender_->InitializeVideo(video_sender_config_, | 352 cast_sender_->InitializeVideo(video_sender_config_, |
| 315 base::Bind(&VideoInitializationStatus), | 353 base::Bind(&VideoInitializationStatus), |
| 316 CreateDefaultVideoEncodeAcceleratorCallback(), | 354 CreateDefaultVideoEncodeAcceleratorCallback(), |
| 317 CreateDefaultVideoEncodeMemoryCallback()); | 355 CreateDefaultVideoEncodeMemoryCallback()); |
| 318 | 356 |
| 319 receiver_to_sender_.Initialize( | 357 receiver_to_sender_.Initialize( |
| 320 CreateSimplePipe(p).Pass(), | 358 CreateSimplePipe(p).Pass(), |
| 321 transport_sender_.PacketReceiverForTesting(), | 359 transport_sender_.PacketReceiverForTesting(), |
| 322 task_runner_, &testing_clock_); | 360 task_runner_, &testing_clock_); |
| 323 sender_to_receiver_.Initialize( | 361 sender_to_receiver_.Initialize( |
| 324 CreateSimplePipe(p).Pass(), cast_receiver_->packet_receiver(), | 362 CreateSimplePipe(p).Pass(), |
| 363 transport_receiver_->PacketReceiverForTesting(), |
| 325 task_runner_, &testing_clock_); | 364 task_runner_, &testing_clock_); |
| 326 } | 365 } |
| 327 | 366 |
| 367 void ReceivePacket(scoped_ptr<Packet> packet) { |
| 368 cast_receiver_->ReceivePacket(packet.Pass()); |
| 369 } |
| 370 |
| 328 virtual ~RunOneBenchmark() { | 371 virtual ~RunOneBenchmark() { |
| 329 cast_sender_.reset(); | 372 cast_sender_.reset(); |
| 330 cast_receiver_.reset(); | 373 cast_receiver_.reset(); |
| 331 task_runner_->RunTasks(); | 374 task_runner_->RunTasks(); |
| 332 } | 375 } |
| 333 | 376 |
| 334 void SendFakeVideoFrame() { | 377 void SendFakeVideoFrame() { |
| 335 frames_sent_++; | 378 frames_sent_++; |
| 336 cast_sender_->video_frame_input()->InsertRawVideoFrame( | 379 cast_sender_->video_frame_input()->InsertRawVideoFrame( |
| 337 media::VideoFrame::CreateBlackFrame(gfx::Size(2, 2)), | 380 media::VideoFrame::CreateBlackFrame(gfx::Size(2, 2)), |
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| 468 // These run on the receiver timeline. | 511 // These run on the receiver timeline. |
| 469 test::SkewedTickClock* testing_clock_receiver_; | 512 test::SkewedTickClock* testing_clock_receiver_; |
| 470 scoped_refptr<test::SkewedSingleThreadTaskRunner> task_runner_receiver_; | 513 scoped_refptr<test::SkewedSingleThreadTaskRunner> task_runner_receiver_; |
| 471 | 514 |
| 472 scoped_refptr<CastEnvironment> cast_environment_sender_; | 515 scoped_refptr<CastEnvironment> cast_environment_sender_; |
| 473 scoped_refptr<CastEnvironment> cast_environment_receiver_; | 516 scoped_refptr<CastEnvironment> cast_environment_receiver_; |
| 474 | 517 |
| 475 LoopBackTransport receiver_to_sender_; | 518 LoopBackTransport receiver_to_sender_; |
| 476 LoopBackTransport sender_to_receiver_; | 519 LoopBackTransport sender_to_receiver_; |
| 477 CastTransportSenderWrapper transport_sender_; | 520 CastTransportSenderWrapper transport_sender_; |
| 521 scoped_ptr<CastTransportSender> transport_receiver_; |
| 478 uint64 video_bytes_encoded_; | 522 uint64 video_bytes_encoded_; |
| 479 uint64 audio_bytes_encoded_; | 523 uint64 audio_bytes_encoded_; |
| 480 | 524 |
| 481 scoped_ptr<CastReceiver> cast_receiver_; | 525 scoped_ptr<CastReceiver> cast_receiver_; |
| 482 scoped_ptr<CastSender> cast_sender_; | 526 scoped_ptr<CastSender> cast_sender_; |
| 483 | 527 |
| 484 int frames_sent_; | 528 int frames_sent_; |
| 485 double available_bitrate_; | 529 double available_bitrate_; |
| 486 std::vector<std::pair<base::TimeTicks, base::TimeTicks> > audio_ticks_; | 530 std::vector<std::pair<base::TimeTicks, base::TimeTicks> > audio_ticks_; |
| 487 std::vector<std::pair<base::TimeTicks, base::TimeTicks> > video_ticks_; | 531 std::vector<std::pair<base::TimeTicks, base::TimeTicks> > video_ticks_; |
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| 703 media::cast::CastBenchmark benchmark; | 747 media::cast::CastBenchmark benchmark; |
| 704 if (getenv("PROFILE_FILE")) { | 748 if (getenv("PROFILE_FILE")) { |
| 705 std::string profile_file(getenv("PROFILE_FILE")); | 749 std::string profile_file(getenv("PROFILE_FILE")); |
| 706 base::debug::StartProfiling(profile_file); | 750 base::debug::StartProfiling(profile_file); |
| 707 benchmark.Run(); | 751 benchmark.Run(); |
| 708 base::debug::StopProfiling(); | 752 base::debug::StopProfiling(); |
| 709 } else { | 753 } else { |
| 710 benchmark.Run(); | 754 benchmark.Run(); |
| 711 } | 755 } |
| 712 } | 756 } |
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