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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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249 audio_sender_config_.bitrate = kDefaultAudioEncoderBitrate; | 249 audio_sender_config_.bitrate = kDefaultAudioEncoderBitrate; |
250 audio_sender_config_.codec = audio_codec; | 250 audio_sender_config_.codec = audio_codec; |
251 | 251 |
252 audio_receiver_config_.feedback_ssrc = | 252 audio_receiver_config_.feedback_ssrc = |
253 audio_sender_config_.receiver_ssrc; | 253 audio_sender_config_.receiver_ssrc; |
254 audio_receiver_config_.incoming_ssrc = audio_sender_config_.ssrc; | 254 audio_receiver_config_.incoming_ssrc = audio_sender_config_.ssrc; |
255 audio_receiver_config_.rtp_payload_type = | 255 audio_receiver_config_.rtp_payload_type = |
256 audio_sender_config_.rtp_payload_type; | 256 audio_sender_config_.rtp_payload_type; |
257 audio_receiver_config_.frequency = audio_sender_config_.frequency; | 257 audio_receiver_config_.frequency = audio_sender_config_.frequency; |
258 audio_receiver_config_.channels = kAudioChannels; | 258 audio_receiver_config_.channels = kAudioChannels; |
259 audio_receiver_config_.max_frame_rate = 100; | 259 audio_receiver_config_.target_frame_rate = 100; |
260 audio_receiver_config_.codec = audio_sender_config_.codec; | 260 audio_receiver_config_.codec = audio_sender_config_.codec; |
261 audio_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; | 261 audio_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; |
262 | 262 |
263 video_sender_config_.ssrc = 3; | 263 video_sender_config_.ssrc = 3; |
264 video_sender_config_.receiver_ssrc = 4; | 264 video_sender_config_.receiver_ssrc = 4; |
265 video_sender_config_.max_playout_delay = | 265 video_sender_config_.max_playout_delay = |
266 base::TimeDelta::FromMilliseconds(kTargetPlayoutDelayMs); | 266 base::TimeDelta::FromMilliseconds(kTargetPlayoutDelayMs); |
267 video_sender_config_.rtp_payload_type = 97; | 267 video_sender_config_.rtp_payload_type = 97; |
268 video_sender_config_.use_external_encoder = false; | 268 video_sender_config_.use_external_encoder = false; |
269 video_sender_config_.width = kVideoHdWidth; | 269 video_sender_config_.width = kVideoHdWidth; |
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285 video_sender_config_.codec = video_codec; | 285 video_sender_config_.codec = video_codec; |
286 | 286 |
287 video_receiver_config_.feedback_ssrc = | 287 video_receiver_config_.feedback_ssrc = |
288 video_sender_config_.receiver_ssrc; | 288 video_sender_config_.receiver_ssrc; |
289 video_receiver_config_.incoming_ssrc = video_sender_config_.ssrc; | 289 video_receiver_config_.incoming_ssrc = video_sender_config_.ssrc; |
290 video_receiver_config_.rtp_payload_type = | 290 video_receiver_config_.rtp_payload_type = |
291 video_sender_config_.rtp_payload_type; | 291 video_sender_config_.rtp_payload_type; |
292 video_receiver_config_.codec = video_sender_config_.codec; | 292 video_receiver_config_.codec = video_sender_config_.codec; |
293 video_receiver_config_.frequency = kVideoFrequency; | 293 video_receiver_config_.frequency = kVideoFrequency; |
294 video_receiver_config_.channels = 1; | 294 video_receiver_config_.channels = 1; |
295 video_receiver_config_.max_frame_rate = 100; | 295 video_receiver_config_.target_frame_rate = 100; |
296 video_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; | 296 video_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; |
297 } | 297 } |
298 | 298 |
299 void SetSenderClockSkew(double skew, base::TimeDelta offset) { | 299 void SetSenderClockSkew(double skew, base::TimeDelta offset) { |
300 testing_clock_sender_->SetSkew(skew, offset); | 300 testing_clock_sender_->SetSkew(skew, offset); |
301 task_runner_sender_->SetSkew(1.0 / skew); | 301 task_runner_sender_->SetSkew(1.0 / skew); |
302 } | 302 } |
303 | 303 |
304 void SetReceiverClockSkew(double skew, base::TimeDelta offset) { | 304 void SetReceiverClockSkew(double skew, base::TimeDelta offset) { |
305 testing_clock_receiver_->SetSkew(skew, offset); | 305 testing_clock_receiver_->SetSkew(skew, offset); |
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747 media::cast::CastBenchmark benchmark; | 747 media::cast::CastBenchmark benchmark; |
748 if (getenv("PROFILE_FILE")) { | 748 if (getenv("PROFILE_FILE")) { |
749 std::string profile_file(getenv("PROFILE_FILE")); | 749 std::string profile_file(getenv("PROFILE_FILE")); |
750 base::debug::StartProfiling(profile_file); | 750 base::debug::StartProfiling(profile_file); |
751 benchmark.Run(); | 751 benchmark.Run(); |
752 base::debug::StopProfiling(); | 752 base::debug::StopProfiling(); |
753 } else { | 753 } else { |
754 benchmark.Run(); | 754 benchmark.Run(); |
755 } | 755 } |
756 } | 756 } |
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