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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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