1 /*
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <stdio.h>
12 #include <string.h>
13
14 #include <iostream>
15 #include <map>
16 #include <memory>
17 #include <string>
18 #include <utility>
19 #include <vector>
20
21 #include "absl/algorithm/container.h"
22 #include "absl/flags/flag.h"
23 #include "absl/flags/parse.h"
24 #include "absl/flags/usage.h"
25 #include "absl/flags/usage_config.h"
26 #include "absl/strings/match.h"
27 #include "api/neteq/neteq.h"
28 #include "api/rtc_event_log/rtc_event_log.h"
29 #include "logging/rtc_event_log/rtc_event_log_parser.h"
30 #include "modules/rtp_rtcp/source/rtcp_packet/report_block.h"
31 #include "rtc_base/checks.h"
32 #include "rtc_base/logging.h"
33 #include "rtc_tools/rtc_event_log_visualizer/alerts.h"
34 #include "rtc_tools/rtc_event_log_visualizer/analyze_audio.h"
35 #include "rtc_tools/rtc_event_log_visualizer/analyzer.h"
36 #include "rtc_tools/rtc_event_log_visualizer/plot_base.h"
37 #include "system_wrappers/include/field_trial.h"
38 #include "test/field_trial.h"
39 #include "test/testsupport/file_utils.h"
40
41 ABSL_FLAG(std::string,
42 plot,
43 "default",
44 "A comma separated list of plot names. See --list_plots for valid "
45 "options.");
46
47 ABSL_FLAG(
48 std::string,
49 force_fieldtrials,
50 "",
51 "Field trials control experimental feature code which can be forced. "
52 "E.g. running with --force_fieldtrials=WebRTC-FooFeature/Enabled/"
53 " will assign the group Enabled to field trial WebRTC-FooFeature. Multiple "
54 "trials are separated by \"/\"");
55 ABSL_FLAG(std::string,
56 wav_filename,
57 "",
58 "Path to wav file used for simulation of jitter buffer");
59
60 ABSL_FLAG(bool,
61 show_detector_state,
62 false,
63 "Show the state of the delay based BWE detector on the total "
64 "bitrate graph");
65
66 ABSL_FLAG(bool,
67 show_alr_state,
68 false,
69 "Show the state ALR state on the total bitrate graph");
70
71 ABSL_FLAG(bool,
72 parse_unconfigured_header_extensions,
73 true,
74 "Attempt to parse unconfigured header extensions using the default "
75 "WebRTC mapping. This can give very misleading results if the "
76 "application negotiates a different mapping.");
77
78 ABSL_FLAG(bool,
79 print_triage_alerts,
80 true,
81 "Print triage alerts, i.e. a list of potential problems.");
82
83 ABSL_FLAG(bool,
84 normalize_time,
85 true,
86 "Normalize the log timestamps so that the call starts at time 0.");
87
88 ABSL_FLAG(bool,
89 shared_xaxis,
90 false,
91 "Share x-axis between all plots so that zooming in one plot "
92 "updates all the others too. A downside is that certain "
93 "operations like panning become much slower.");
94
95 ABSL_FLAG(bool,
96 protobuf_output,
97 false,
98 "Output charts as protobuf instead of python code.");
99
100 ABSL_FLAG(bool,
101 list_plots,
102 false,
103 "List of registered plots (for use with the --plot flag)");
104
105 using webrtc::Plot;
106
107 namespace {
StrSplit(const std::string & s,const std::string & delimiter)108 std::vector<std::string> StrSplit(const std::string& s,
109 const std::string& delimiter) {
110 std::vector<std::string> v;
111 size_t pos = 0;
112 while (pos < s.length()) {
113 const std::string token = s.substr(pos, s.find(delimiter, pos) - pos);
114 pos += token.length() + delimiter.length();
115 v.push_back(token);
116 }
117 return v;
118 }
119
120 struct PlotDeclaration {
PlotDeclaration__anon898784f60111::PlotDeclaration121 PlotDeclaration(const std::string& label, std::function<void(Plot*)> f)
122 : label(label), enabled(false), plot_func(f) {}
123 const std::string label;
124 bool enabled;
125 // TODO(terelius): Add a help text/explanation.
126 const std::function<void(Plot*)> plot_func;
127 };
128
129 class PlotMap {
130 public:
RegisterPlot(const std::string & label,std::function<void (Plot *)> f)131 void RegisterPlot(const std::string& label, std::function<void(Plot*)> f) {
132 for (const auto& plot : plots_) {
133 RTC_DCHECK(plot.label != label)
134 << "Can't use the same label for multiple plots";
135 }
136 plots_.push_back({label, f});
137 }
138
EnablePlotsByFlags(const std::vector<std::string> & flags,const std::map<std::string,std::vector<std::string>> & flag_aliases)139 bool EnablePlotsByFlags(
140 const std::vector<std::string>& flags,
141 const std::map<std::string, std::vector<std::string>>& flag_aliases) {
142 bool status = true;
143 for (const std::string& flag : flags) {
144 auto alias_it = flag_aliases.find(flag);
145 if (alias_it != flag_aliases.end()) {
146 const auto& replacements = alias_it->second;
147 for (const auto& replacement : replacements) {
148 status &= EnablePlotByFlag(replacement);
149 }
150 } else {
151 status &= EnablePlotByFlag(flag);
152 }
153 }
154 return status;
155 }
156
EnableAllPlots()157 void EnableAllPlots() {
158 for (auto& plot : plots_) {
159 plot.enabled = true;
160 }
161 }
162
begin()163 std::vector<PlotDeclaration>::iterator begin() { return plots_.begin(); }
end()164 std::vector<PlotDeclaration>::iterator end() { return plots_.end(); }
165
166 private:
EnablePlotByFlag(const std::string & flag)167 bool EnablePlotByFlag(const std::string& flag) {
168 for (auto& plot : plots_) {
169 if (plot.label == flag) {
170 plot.enabled = true;
171 return true;
172 }
173 }
174 if (flag == "simulated_neteq_jitter_buffer_delay") {
175 // This flag is handled separately.
176 return true;
177 }
178 std::cerr << "Unrecognized plot name \'" << flag << "\'. Aborting."
179 << std::endl;
180 return false;
181 }
182
183 std::vector<PlotDeclaration> plots_;
184 };
185
ContainsHelppackageFlags(absl::string_view filename)186 bool ContainsHelppackageFlags(absl::string_view filename) {
187 return absl::EndsWith(filename, "main.cc");
188 }
189
190 } // namespace
191
main(int argc,char * argv[])192 int main(int argc, char* argv[]) {
193 absl::SetProgramUsageMessage(
194 "A tool for visualizing WebRTC event logs.\n"
195 "Example usage:\n"
196 "./event_log_visualizer <logfile> | python\n");
197 absl::FlagsUsageConfig flag_config;
198 flag_config.contains_help_flags = &ContainsHelppackageFlags;
199 absl::SetFlagsUsageConfig(flag_config);
200 std::vector<char*> args = absl::ParseCommandLine(argc, argv);
201
202 // Print RTC_LOG warnings and errors even in release builds.
203 if (rtc::LogMessage::GetLogToDebug() > rtc::LS_WARNING) {
204 rtc::LogMessage::LogToDebug(rtc::LS_WARNING);
205 }
206 rtc::LogMessage::SetLogToStderr(true);
207
208 // Flag replacements
209 std::map<std::string, std::vector<std::string>> flag_aliases = {
210 {"default",
211 {"incoming_delay", "incoming_loss_rate", "incoming_bitrate",
212 "outgoing_bitrate", "incoming_stream_bitrate",
213 "outgoing_stream_bitrate", "network_delay_feedback",
214 "fraction_loss_feedback"}},
215 {"sendside_bwe",
216 {"outgoing_packet_sizes", "outgoing_bitrate", "outgoing_stream_bitrate",
217 "simulated_sendside_bwe", "network_delay_feedback",
218 "fraction_loss_feedback"}},
219 {"receiveside_bwe",
220 {"incoming_packet_sizes", "incoming_delay", "incoming_loss_rate",
221 "incoming_bitrate", "incoming_stream_bitrate",
222 "simulated_receiveside_bwe"}},
223 {"rtcp_details",
224 {"incoming_rtcp_fraction_lost", "outgoing_rtcp_fraction_lost",
225 "incoming_rtcp_cumulative_lost", "outgoing_rtcp_cumulative_lost",
226 "incoming_rtcp_highest_seq_number", "outgoing_rtcp_highest_seq_number",
227 "incoming_rtcp_delay_since_last_sr",
228 "outgoing_rtcp_delay_since_last_sr"}},
229 {"simulated_neteq_stats",
230 {"simulated_neteq_jitter_buffer_delay",
231 "simulated_neteq_preferred_buffer_size",
232 "simulated_neteq_concealment_events",
233 "simulated_neteq_packet_loss_rate", "simulated_neteq_preemptive_rate",
234 "simulated_neteq_accelerate_rate", "simulated_neteq_speech_expand_rate",
235 "simulated_neteq_expand_rate"}}};
236
237 std::vector<std::string> plot_flags =
238 StrSplit(absl::GetFlag(FLAGS_plot), ",");
239
240 // InitFieldTrialsFromString stores the char*, so the char array must outlive
241 // the application.
242 const std::string field_trials = absl::GetFlag(FLAGS_force_fieldtrials);
243 webrtc::field_trial::InitFieldTrialsFromString(field_trials.c_str());
244
245 webrtc::ParsedRtcEventLog::UnconfiguredHeaderExtensions header_extensions =
246 webrtc::ParsedRtcEventLog::UnconfiguredHeaderExtensions::kDontParse;
247 if (absl::GetFlag(FLAGS_parse_unconfigured_header_extensions)) {
248 header_extensions = webrtc::ParsedRtcEventLog::
249 UnconfiguredHeaderExtensions::kAttemptWebrtcDefaultConfig;
250 }
251 webrtc::ParsedRtcEventLog parsed_log(header_extensions,
252 /*allow_incomplete_logs*/ true);
253
254 if (args.size() == 2) {
255 std::string filename = args[1];
256 auto status = parsed_log.ParseFile(filename);
257 if (!status.ok()) {
258 std::cerr << "Failed to parse " << filename << ": " << status.message()
259 << std::endl;
260 return -1;
261 }
262 }
263
264 webrtc::AnalyzerConfig config;
265 config.window_duration_ = 250000;
266 config.step_ = 10000;
267 config.normalize_time_ = absl::GetFlag(FLAGS_normalize_time);
268 config.begin_time_ = parsed_log.first_timestamp();
269 config.end_time_ = parsed_log.last_timestamp();
270 if (config.end_time_ < config.begin_time_) {
271 RTC_LOG(LS_WARNING) << "Log end time " << config.end_time_
272 << " not after begin time " << config.begin_time_
273 << ". Nothing to analyze. Is the log broken?";
274 return -1;
275 }
276
277 webrtc::EventLogAnalyzer analyzer(parsed_log, config);
278 webrtc::PlotCollection collection;
279
280 PlotMap plots;
281 plots.RegisterPlot("incoming_packet_sizes", [&](Plot* plot) {
282 analyzer.CreatePacketGraph(webrtc::kIncomingPacket, plot);
283 });
284
285 plots.RegisterPlot("outgoing_packet_sizes", [&](Plot* plot) {
286 analyzer.CreatePacketGraph(webrtc::kOutgoingPacket, plot);
287 });
288 plots.RegisterPlot("incoming_rtcp_types", [&](Plot* plot) {
289 analyzer.CreateRtcpTypeGraph(webrtc::kIncomingPacket, plot);
290 });
291 plots.RegisterPlot("outgoing_rtcp_types", [&](Plot* plot) {
292 analyzer.CreateRtcpTypeGraph(webrtc::kOutgoingPacket, plot);
293 });
294 plots.RegisterPlot("incoming_packet_count", [&](Plot* plot) {
295 analyzer.CreateAccumulatedPacketsGraph(webrtc::kIncomingPacket, plot);
296 });
297 plots.RegisterPlot("outgoing_packet_count", [&](Plot* plot) {
298 analyzer.CreateAccumulatedPacketsGraph(webrtc::kOutgoingPacket, plot);
299 });
300 plots.RegisterPlot("incoming_packet_rate", [&](Plot* plot) {
301 analyzer.CreatePacketRateGraph(webrtc::kIncomingPacket, plot);
302 });
303 plots.RegisterPlot("outgoing_packet_rate", [&](Plot* plot) {
304 analyzer.CreatePacketRateGraph(webrtc::kOutgoingPacket, plot);
305 });
306 plots.RegisterPlot("total_incoming_packet_rate", [&](Plot* plot) {
307 analyzer.CreateTotalPacketRateGraph(webrtc::kIncomingPacket, plot);
308 });
309 plots.RegisterPlot("total_outgoing_packet_rate", [&](Plot* plot) {
310 analyzer.CreateTotalPacketRateGraph(webrtc::kOutgoingPacket, plot);
311 });
312 plots.RegisterPlot("audio_playout",
313 [&](Plot* plot) { analyzer.CreatePlayoutGraph(plot); });
314 plots.RegisterPlot("incoming_audio_level", [&](Plot* plot) {
315 analyzer.CreateAudioLevelGraph(webrtc::kIncomingPacket, plot);
316 });
317 plots.RegisterPlot("outgoing_audio_level", [&](Plot* plot) {
318 analyzer.CreateAudioLevelGraph(webrtc::kOutgoingPacket, plot);
319 });
320 plots.RegisterPlot("incoming_sequence_number_delta", [&](Plot* plot) {
321 analyzer.CreateSequenceNumberGraph(plot);
322 });
323 plots.RegisterPlot("incoming_delay", [&](Plot* plot) {
324 analyzer.CreateIncomingDelayGraph(plot);
325 });
326 plots.RegisterPlot("incoming_loss_rate", [&](Plot* plot) {
327 analyzer.CreateIncomingPacketLossGraph(plot);
328 });
329 plots.RegisterPlot("incoming_bitrate", [&](Plot* plot) {
330 analyzer.CreateTotalIncomingBitrateGraph(plot);
331 });
332 plots.RegisterPlot("outgoing_bitrate", [&](Plot* plot) {
333 analyzer.CreateTotalOutgoingBitrateGraph(
334 plot, absl::GetFlag(FLAGS_show_detector_state),
335 absl::GetFlag(FLAGS_show_alr_state));
336 });
337 plots.RegisterPlot("incoming_stream_bitrate", [&](Plot* plot) {
338 analyzer.CreateStreamBitrateGraph(webrtc::kIncomingPacket, plot);
339 });
340 plots.RegisterPlot("outgoing_stream_bitrate", [&](Plot* plot) {
341 analyzer.CreateStreamBitrateGraph(webrtc::kOutgoingPacket, plot);
342 });
343 plots.RegisterPlot("incoming_layer_bitrate_allocation", [&](Plot* plot) {
344 analyzer.CreateBitrateAllocationGraph(webrtc::kIncomingPacket, plot);
345 });
346 plots.RegisterPlot("outgoing_layer_bitrate_allocation", [&](Plot* plot) {
347 analyzer.CreateBitrateAllocationGraph(webrtc::kOutgoingPacket, plot);
348 });
349 plots.RegisterPlot("simulated_receiveside_bwe", [&](Plot* plot) {
350 analyzer.CreateReceiveSideBweSimulationGraph(plot);
351 });
352 plots.RegisterPlot("simulated_sendside_bwe", [&](Plot* plot) {
353 analyzer.CreateSendSideBweSimulationGraph(plot);
354 });
355 plots.RegisterPlot("simulated_goog_cc", [&](Plot* plot) {
356 analyzer.CreateGoogCcSimulationGraph(plot);
357 });
358 plots.RegisterPlot("network_delay_feedback", [&](Plot* plot) {
359 analyzer.CreateNetworkDelayFeedbackGraph(plot);
360 });
361 plots.RegisterPlot("fraction_loss_feedback", [&](Plot* plot) {
362 analyzer.CreateFractionLossGraph(plot);
363 });
364 plots.RegisterPlot("incoming_timestamps", [&](Plot* plot) {
365 analyzer.CreateTimestampGraph(webrtc::kIncomingPacket, plot);
366 });
367 plots.RegisterPlot("outgoing_timestamps", [&](Plot* plot) {
368 analyzer.CreateTimestampGraph(webrtc::kOutgoingPacket, plot);
369 });
370
371 auto GetFractionLost = [](const webrtc::rtcp::ReportBlock& block) -> float {
372 return static_cast<double>(block.fraction_lost()) / 256 * 100;
373 };
374 plots.RegisterPlot("incoming_rtcp_fraction_lost", [&](Plot* plot) {
375 analyzer.CreateSenderAndReceiverReportPlot(
376 webrtc::kIncomingPacket, GetFractionLost,
377 "Fraction lost (incoming RTCP)", "Loss rate (percent)", plot);
378 });
379 plots.RegisterPlot("outgoing_rtcp_fraction_lost", [&](Plot* plot) {
380 analyzer.CreateSenderAndReceiverReportPlot(
381 webrtc::kOutgoingPacket, GetFractionLost,
382 "Fraction lost (outgoing RTCP)", "Loss rate (percent)", plot);
383 });
384 auto GetCumulativeLost = [](const webrtc::rtcp::ReportBlock& block) -> float {
385 return block.cumulative_lost_signed();
386 };
387 plots.RegisterPlot("incoming_rtcp_cumulative_lost", [&](Plot* plot) {
388 analyzer.CreateSenderAndReceiverReportPlot(
389 webrtc::kIncomingPacket, GetCumulativeLost,
390 "Cumulative lost packets (incoming RTCP)", "Packets", plot);
391 });
392 plots.RegisterPlot("outgoing_rtcp_cumulative_lost", [&](Plot* plot) {
393 analyzer.CreateSenderAndReceiverReportPlot(
394 webrtc::kOutgoingPacket, GetCumulativeLost,
395 "Cumulative lost packets (outgoing RTCP)", "Packets", plot);
396 });
397
398 auto GetHighestSeqNumber =
399 [](const webrtc::rtcp::ReportBlock& block) -> float {
400 return block.extended_high_seq_num();
401 };
402 plots.RegisterPlot("incoming_rtcp_highest_seq_number", [&](Plot* plot) {
403 analyzer.CreateSenderAndReceiverReportPlot(
404 webrtc::kIncomingPacket, GetHighestSeqNumber,
405 "Highest sequence number (incoming RTCP)", "Sequence number", plot);
406 });
407 plots.RegisterPlot("outgoing_rtcp_highest_seq_number", [&](Plot* plot) {
408 analyzer.CreateSenderAndReceiverReportPlot(
409 webrtc::kOutgoingPacket, GetHighestSeqNumber,
410 "Highest sequence number (outgoing RTCP)", "Sequence number", plot);
411 });
412
413 auto DelaySinceLastSr = [](const webrtc::rtcp::ReportBlock& block) -> float {
414 return static_cast<double>(block.delay_since_last_sr()) / 65536;
415 };
416 plots.RegisterPlot("incoming_rtcp_delay_since_last_sr", [&](Plot* plot) {
417 analyzer.CreateSenderAndReceiverReportPlot(
418 webrtc::kIncomingPacket, DelaySinceLastSr,
419 "Delay since last received sender report (incoming RTCP)", "Time (s)",
420 plot);
421 });
422 plots.RegisterPlot("outgoing_rtcp_delay_since_last_sr", [&](Plot* plot) {
423 analyzer.CreateSenderAndReceiverReportPlot(
424 webrtc::kOutgoingPacket, DelaySinceLastSr,
425 "Delay since last received sender report (outgoing RTCP)", "Time (s)",
426 plot);
427 });
428
429 plots.RegisterPlot("pacer_delay",
430 [&](Plot* plot) { analyzer.CreatePacerDelayGraph(plot); });
431 plots.RegisterPlot("audio_encoder_bitrate", [&](Plot* plot) {
432 CreateAudioEncoderTargetBitrateGraph(parsed_log, config, plot);
433 });
434 plots.RegisterPlot("audio_encoder_frame_length", [&](Plot* plot) {
435 CreateAudioEncoderFrameLengthGraph(parsed_log, config, plot);
436 });
437 plots.RegisterPlot("audio_encoder_packet_loss", [&](Plot* plot) {
438 CreateAudioEncoderPacketLossGraph(parsed_log, config, plot);
439 });
440 plots.RegisterPlot("audio_encoder_fec", [&](Plot* plot) {
441 CreateAudioEncoderEnableFecGraph(parsed_log, config, plot);
442 });
443 plots.RegisterPlot("audio_encoder_dtx", [&](Plot* plot) {
444 CreateAudioEncoderEnableDtxGraph(parsed_log, config, plot);
445 });
446 plots.RegisterPlot("audio_encoder_num_channels", [&](Plot* plot) {
447 CreateAudioEncoderNumChannelsGraph(parsed_log, config, plot);
448 });
449
450 plots.RegisterPlot("ice_candidate_pair_config", [&](Plot* plot) {
451 analyzer.CreateIceCandidatePairConfigGraph(plot);
452 });
453 plots.RegisterPlot("ice_connectivity_check", [&](Plot* plot) {
454 analyzer.CreateIceConnectivityCheckGraph(plot);
455 });
456 plots.RegisterPlot("dtls_transport_state", [&](Plot* plot) {
457 analyzer.CreateDtlsTransportStateGraph(plot);
458 });
459 plots.RegisterPlot("dtls_writable_state", [&](Plot* plot) {
460 analyzer.CreateDtlsWritableStateGraph(plot);
461 });
462
463 std::string wav_path;
464 if (!absl::GetFlag(FLAGS_wav_filename).empty()) {
465 wav_path = absl::GetFlag(FLAGS_wav_filename);
466 } else {
467 wav_path = webrtc::test::ResourcePath(
468 "audio_processing/conversational_speech/EN_script2_F_sp2_B1", "wav");
469 }
470 absl::optional<webrtc::NetEqStatsGetterMap> neteq_stats;
471
472 plots.RegisterPlot("simulated_neteq_expand_rate", [&](Plot* plot) {
473 if (!neteq_stats) {
474 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
475 }
476 webrtc::CreateNetEqNetworkStatsGraph(
477 parsed_log, config, *neteq_stats,
478 [](const webrtc::NetEqNetworkStatistics& stats) {
479 return stats.expand_rate / 16384.f;
480 },
481 "Expand rate", plot);
482 });
483
484 plots.RegisterPlot("simulated_neteq_speech_expand_rate", [&](Plot* plot) {
485 if (!neteq_stats) {
486 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
487 }
488 webrtc::CreateNetEqNetworkStatsGraph(
489 parsed_log, config, *neteq_stats,
490 [](const webrtc::NetEqNetworkStatistics& stats) {
491 return stats.speech_expand_rate / 16384.f;
492 },
493 "Speech expand rate", plot);
494 });
495
496 plots.RegisterPlot("simulated_neteq_accelerate_rate", [&](Plot* plot) {
497 if (!neteq_stats) {
498 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
499 }
500 webrtc::CreateNetEqNetworkStatsGraph(
501 parsed_log, config, *neteq_stats,
502 [](const webrtc::NetEqNetworkStatistics& stats) {
503 return stats.accelerate_rate / 16384.f;
504 },
505 "Accelerate rate", plot);
506 });
507
508 plots.RegisterPlot("simulated_neteq_preemptive_rate", [&](Plot* plot) {
509 if (!neteq_stats) {
510 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
511 }
512 webrtc::CreateNetEqNetworkStatsGraph(
513 parsed_log, config, *neteq_stats,
514 [](const webrtc::NetEqNetworkStatistics& stats) {
515 return stats.preemptive_rate / 16384.f;
516 },
517 "Preemptive rate", plot);
518 });
519
520 plots.RegisterPlot("simulated_neteq_packet_loss_rate", [&](Plot* plot) {
521 if (!neteq_stats) {
522 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
523 }
524 webrtc::CreateNetEqNetworkStatsGraph(
525 parsed_log, config, *neteq_stats,
526 [](const webrtc::NetEqNetworkStatistics& stats) {
527 return stats.packet_loss_rate / 16384.f;
528 },
529 "Packet loss rate", plot);
530 });
531
532 plots.RegisterPlot("simulated_neteq_concealment_events", [&](Plot* plot) {
533 if (!neteq_stats) {
534 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
535 }
536 webrtc::CreateNetEqLifetimeStatsGraph(
537 parsed_log, config, *neteq_stats,
538 [](const webrtc::NetEqLifetimeStatistics& stats) {
539 return static_cast<float>(stats.concealment_events);
540 },
541 "Concealment events", plot);
542 });
543
544 plots.RegisterPlot("simulated_neteq_preferred_buffer_size", [&](Plot* plot) {
545 if (!neteq_stats) {
546 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
547 }
548 webrtc::CreateNetEqNetworkStatsGraph(
549 parsed_log, config, *neteq_stats,
550 [](const webrtc::NetEqNetworkStatistics& stats) {
551 return stats.preferred_buffer_size_ms;
552 },
553 "Preferred buffer size (ms)", plot);
554 });
555
556 if (absl::c_find(plot_flags, "all") != plot_flags.end()) {
557 plots.EnableAllPlots();
558 // Treated separately since it isn't registered like the other plots.
559 plot_flags.push_back("simulated_neteq_jitter_buffer_delay");
560 } else {
561 bool success = plots.EnablePlotsByFlags(plot_flags, flag_aliases);
562 if (!success) {
563 return 1;
564 }
565 }
566
567 if (absl::GetFlag(FLAGS_list_plots)) {
568 std::cerr << "List of registered plots (for use with the --plot flag):"
569 << std::endl;
570 for (const auto& plot : plots) {
571 // TODO(terelius): Also print a help text.
572 std::cerr << " " << plot.label << std::endl;
573 }
574 // The following flag doesn't fit the model used for the other plots.
575 std::cerr << "simulated_neteq_jitter_buffer_delay" << std::endl;
576 std::cerr << "List of plot aliases (for use with the --plot flag):"
577 << std::endl;
578 std::cerr << " all = every registered plot" << std::endl;
579 for (const auto& alias : flag_aliases) {
580 std::cerr << " " << alias.first << " = ";
581 for (const auto& replacement : alias.second) {
582 std::cerr << replacement << ",";
583 }
584 std::cerr << std::endl;
585 }
586 return 0;
587 }
588 if (args.size() != 2) {
589 // Print usage information.
590 std::cerr << absl::ProgramUsageMessage();
591 return 1;
592 }
593
594 for (const auto& plot : plots) {
595 if (plot.enabled) {
596 Plot* output = collection.AppendNewPlot();
597 plot.plot_func(output);
598 output->SetId(plot.label);
599 }
600 }
601
602 // The model we use for registering plots assumes that the each plot label
603 // can be mapped to a lambda that will produce exactly one plot. The
604 // simulated_neteq_jitter_buffer_delay plot doesn't fit this model since it
605 // creates multiple plots, and would need some state kept between the lambda
606 // calls.
607 if (absl::c_find(plot_flags, "simulated_neteq_jitter_buffer_delay") !=
608 plot_flags.end()) {
609 if (!neteq_stats) {
610 neteq_stats = webrtc::SimulateNetEq(parsed_log, config, wav_path, 48000);
611 }
612 for (webrtc::NetEqStatsGetterMap::const_iterator it = neteq_stats->cbegin();
613 it != neteq_stats->cend(); ++it) {
614 webrtc::CreateAudioJitterBufferGraph(parsed_log, config, it->first,
615 it->second.get(),
616 collection.AppendNewPlot());
617 }
618 }
619
620 if (absl::GetFlag(FLAGS_protobuf_output)) {
621 webrtc::analytics::ChartCollection proto_charts;
622 collection.ExportProtobuf(&proto_charts);
623 std::cout << proto_charts.SerializeAsString();
624 } else {
625 collection.PrintPythonCode(absl::GetFlag(FLAGS_shared_xaxis));
626 }
627
628 if (absl::GetFlag(FLAGS_print_triage_alerts)) {
629 webrtc::TriageHelper triage_alerts(config);
630 triage_alerts.AnalyzeLog(parsed_log);
631 triage_alerts.Print(stderr);
632 }
633
634 return 0;
635 }
636