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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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| 240 audio_sender_config_.receiver_ssrc = 2; | 240 audio_sender_config_.receiver_ssrc = 2; |
| 241 audio_sender_config_.max_playout_delay = | 241 audio_sender_config_.max_playout_delay = |
| 242 base::TimeDelta::FromMilliseconds(kTargetPlayoutDelayMs); | 242 base::TimeDelta::FromMilliseconds(kTargetPlayoutDelayMs); |
| 243 audio_sender_config_.rtp_payload_type = 96; | 243 audio_sender_config_.rtp_payload_type = 96; |
| 244 audio_sender_config_.use_external_encoder = false; | 244 audio_sender_config_.use_external_encoder = false; |
| 245 audio_sender_config_.frequency = audio_sampling_frequency; | 245 audio_sender_config_.frequency = audio_sampling_frequency; |
| 246 audio_sender_config_.channels = kAudioChannels; | 246 audio_sender_config_.channels = kAudioChannels; |
| 247 audio_sender_config_.bitrate = kDefaultAudioEncoderBitrate; | 247 audio_sender_config_.bitrate = kDefaultAudioEncoderBitrate; |
| 248 audio_sender_config_.codec = audio_codec; | 248 audio_sender_config_.codec = audio_codec; |
| 249 | 249 |
| 250 audio_receiver_config_.feedback_ssrc = | 250 audio_receiver_config_.receiver_ssrc = |
| 251 audio_sender_config_.receiver_ssrc; | 251 audio_sender_config_.receiver_ssrc; |
| 252 audio_receiver_config_.incoming_ssrc = audio_sender_config_.ssrc; | 252 audio_receiver_config_.sender_ssrc = audio_sender_config_.ssrc; |
| 253 audio_receiver_config_.rtp_payload_type = | 253 audio_receiver_config_.rtp_payload_type = |
| 254 audio_sender_config_.rtp_payload_type; | 254 audio_sender_config_.rtp_payload_type; |
| 255 audio_receiver_config_.rtp_timebase = audio_sender_config_.frequency; | 255 audio_receiver_config_.rtp_timebase = audio_sender_config_.frequency; |
| 256 audio_receiver_config_.channels = kAudioChannels; | 256 audio_receiver_config_.channels = kAudioChannels; |
| 257 audio_receiver_config_.target_frame_rate = 100; | 257 audio_receiver_config_.target_frame_rate = 100; |
| 258 audio_receiver_config_.codec = audio_sender_config_.codec; | 258 audio_receiver_config_.codec = audio_sender_config_.codec; |
| 259 audio_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; | 259 audio_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; |
| 260 | 260 |
| 261 video_sender_config_.ssrc = 3; | 261 video_sender_config_.ssrc = 3; |
| 262 video_sender_config_.receiver_ssrc = 4; | 262 video_sender_config_.receiver_ssrc = 4; |
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| 273 video_sender_config_.min_bitrate = 4000000; | 273 video_sender_config_.min_bitrate = 4000000; |
| 274 video_sender_config_.start_bitrate = 4000000; | 274 video_sender_config_.start_bitrate = 4000000; |
| 275 #endif | 275 #endif |
| 276 video_sender_config_.max_qp = 56; | 276 video_sender_config_.max_qp = 56; |
| 277 video_sender_config_.min_qp = 4; | 277 video_sender_config_.min_qp = 4; |
| 278 video_sender_config_.max_frame_rate = 30; | 278 video_sender_config_.max_frame_rate = 30; |
| 279 video_sender_config_.max_number_of_video_buffers_used = | 279 video_sender_config_.max_number_of_video_buffers_used = |
| 280 max_number_of_video_buffers_used; | 280 max_number_of_video_buffers_used; |
| 281 video_sender_config_.codec = video_codec; | 281 video_sender_config_.codec = video_codec; |
| 282 | 282 |
| 283 video_receiver_config_.feedback_ssrc = | 283 video_receiver_config_.receiver_ssrc = |
| 284 video_sender_config_.receiver_ssrc; | 284 video_sender_config_.receiver_ssrc; |
| 285 video_receiver_config_.incoming_ssrc = video_sender_config_.ssrc; | 285 video_receiver_config_.sender_ssrc = video_sender_config_.ssrc; |
| 286 video_receiver_config_.rtp_payload_type = | 286 video_receiver_config_.rtp_payload_type = |
| 287 video_sender_config_.rtp_payload_type; | 287 video_sender_config_.rtp_payload_type; |
| 288 video_receiver_config_.codec = video_sender_config_.codec; | 288 video_receiver_config_.codec = video_sender_config_.codec; |
| 289 video_receiver_config_.rtp_timebase = kVideoFrequency; | 289 video_receiver_config_.rtp_timebase = kVideoFrequency; |
| 290 video_receiver_config_.channels = 1; | 290 video_receiver_config_.channels = 1; |
| 291 video_receiver_config_.target_frame_rate = 100; | 291 video_receiver_config_.target_frame_rate = 100; |
| 292 video_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; | 292 video_receiver_config_.rtp_max_delay_ms = kTargetPlayoutDelayMs; |
| 293 } | 293 } |
| 294 | 294 |
| 295 void SetSenderClockSkew(double skew, base::TimeDelta offset) { | 295 void SetSenderClockSkew(double skew, base::TimeDelta offset) { |
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| 752 media::cast::CastBenchmark benchmark; | 752 media::cast::CastBenchmark benchmark; |
| 753 if (getenv("PROFILE_FILE")) { | 753 if (getenv("PROFILE_FILE")) { |
| 754 std::string profile_file(getenv("PROFILE_FILE")); | 754 std::string profile_file(getenv("PROFILE_FILE")); |
| 755 base::debug::StartProfiling(profile_file); | 755 base::debug::StartProfiling(profile_file); |
| 756 benchmark.Run(); | 756 benchmark.Run(); |
| 757 base::debug::StopProfiling(); | 757 base::debug::StopProfiling(); |
| 758 } else { | 758 } else { |
| 759 benchmark.Run(); | 759 benchmark.Run(); |
| 760 } | 760 } |
| 761 } | 761 } |
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