| /* |
| * Copyright 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "pc/stats_collector.h" |
| |
| #include <memory> |
| #include <set> |
| #include <utility> |
| #include <vector> |
| |
| #include "pc/channel.h" |
| #include "pc/peer_connection.h" |
| #include "rtc_base/checks.h" |
| #include "rtc_base/third_party/base64/base64.h" |
| |
| namespace webrtc { |
| namespace { |
| |
| // The following is the enum RTCStatsIceCandidateType from |
| // http://w3c.github.io/webrtc-stats/#rtcstatsicecandidatetype-enum such that |
| // our stats report for ice candidate type could conform to that. |
| const char STATSREPORT_LOCAL_PORT_TYPE[] = "host"; |
| const char STATSREPORT_STUN_PORT_TYPE[] = "serverreflexive"; |
| const char STATSREPORT_PRFLX_PORT_TYPE[] = "peerreflexive"; |
| const char STATSREPORT_RELAY_PORT_TYPE[] = "relayed"; |
| |
| // Strings used by the stats collector to report adapter types. This fits the |
| // general stype of http://w3c.github.io/webrtc-stats than what |
| // AdapterTypeToString does. |
| const char* STATSREPORT_ADAPTER_TYPE_ETHERNET = "lan"; |
| const char* STATSREPORT_ADAPTER_TYPE_WIFI = "wlan"; |
| const char* STATSREPORT_ADAPTER_TYPE_WWAN = "wwan"; |
| const char* STATSREPORT_ADAPTER_TYPE_VPN = "vpn"; |
| const char* STATSREPORT_ADAPTER_TYPE_LOOPBACK = "loopback"; |
| const char* STATSREPORT_ADAPTER_TYPE_WILDCARD = "wildcard"; |
| |
| template <typename ValueType> |
| struct TypeForAdd { |
| const StatsReport::StatsValueName name; |
| const ValueType& value; |
| }; |
| |
| typedef TypeForAdd<bool> BoolForAdd; |
| typedef TypeForAdd<float> FloatForAdd; |
| typedef TypeForAdd<int64_t> Int64ForAdd; |
| typedef TypeForAdd<int> IntForAdd; |
| |
| StatsReport* AddTrackReport(StatsCollection* reports, |
| const std::string& track_id) { |
| // Adds an empty track report. |
| StatsReport::Id id( |
| StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, track_id)); |
| StatsReport* report = reports->ReplaceOrAddNew(id); |
| report->AddString(StatsReport::kStatsValueNameTrackId, track_id); |
| return report; |
| } |
| |
| template <class Track> |
| void CreateTrackReport(const Track* track, |
| StatsCollection* reports, |
| TrackIdMap* track_ids) { |
| const std::string& track_id = track->id(); |
| StatsReport* report = AddTrackReport(reports, track_id); |
| RTC_DCHECK(report != nullptr); |
| (*track_ids)[track_id] = report; |
| } |
| |
| template <class TrackVector> |
| void CreateTrackReports(const TrackVector& tracks, |
| StatsCollection* reports, |
| TrackIdMap* track_ids) { |
| for (const auto& track : tracks) { |
| CreateTrackReport(track.get(), reports, track_ids); |
| } |
| } |
| |
| void ExtractCommonSendProperties(const cricket::MediaSenderInfo& info, |
| StatsReport* report) { |
| report->AddString(StatsReport::kStatsValueNameCodecName, info.codec_name); |
| report->AddInt64(StatsReport::kStatsValueNameBytesSent, info.bytes_sent); |
| if (info.rtt_ms >= 0) { |
| report->AddInt64(StatsReport::kStatsValueNameRtt, info.rtt_ms); |
| } |
| } |
| |
| void ExtractCommonReceiveProperties(const cricket::MediaReceiverInfo& info, |
| StatsReport* report) { |
| report->AddString(StatsReport::kStatsValueNameCodecName, info.codec_name); |
| } |
| |
| void SetAudioProcessingStats(StatsReport* report, |
| bool typing_noise_detected, |
| const AudioProcessingStats& apm_stats) { |
| report->AddBoolean(StatsReport::kStatsValueNameTypingNoiseState, |
| typing_noise_detected); |
| if (apm_stats.delay_median_ms) { |
| report->AddInt(StatsReport::kStatsValueNameEchoDelayMedian, |
| *apm_stats.delay_median_ms); |
| } |
| if (apm_stats.delay_standard_deviation_ms) { |
| report->AddInt(StatsReport::kStatsValueNameEchoDelayStdDev, |
| *apm_stats.delay_standard_deviation_ms); |
| } |
| if (apm_stats.echo_return_loss) { |
| report->AddInt(StatsReport::kStatsValueNameEchoReturnLoss, |
| *apm_stats.echo_return_loss); |
| } |
| if (apm_stats.echo_return_loss_enhancement) { |
| report->AddInt(StatsReport::kStatsValueNameEchoReturnLossEnhancement, |
| *apm_stats.echo_return_loss_enhancement); |
| } |
| if (apm_stats.residual_echo_likelihood) { |
| report->AddFloat(StatsReport::kStatsValueNameResidualEchoLikelihood, |
| static_cast<float>(*apm_stats.residual_echo_likelihood)); |
| } |
| if (apm_stats.residual_echo_likelihood_recent_max) { |
| report->AddFloat( |
| StatsReport::kStatsValueNameResidualEchoLikelihoodRecentMax, |
| static_cast<float>(*apm_stats.residual_echo_likelihood_recent_max)); |
| } |
| if (apm_stats.divergent_filter_fraction) { |
| report->AddFloat(StatsReport::kStatsValueNameAecDivergentFilterFraction, |
| static_cast<float>(*apm_stats.divergent_filter_fraction)); |
| } |
| } |
| |
| void ExtractStats(const cricket::VoiceReceiverInfo& info, StatsReport* report) { |
| ExtractCommonReceiveProperties(info, report); |
| const FloatForAdd floats[] = { |
| {StatsReport::kStatsValueNameExpandRate, info.expand_rate}, |
| {StatsReport::kStatsValueNameSecondaryDecodedRate, |
| info.secondary_decoded_rate}, |
| {StatsReport::kStatsValueNameSecondaryDiscardedRate, |
| info.secondary_discarded_rate}, |
| {StatsReport::kStatsValueNameSpeechExpandRate, info.speech_expand_rate}, |
| {StatsReport::kStatsValueNameAccelerateRate, info.accelerate_rate}, |
| {StatsReport::kStatsValueNamePreemptiveExpandRate, |
| info.preemptive_expand_rate}, |
| {StatsReport::kStatsValueNameTotalAudioEnergy, info.total_output_energy}, |
| {StatsReport::kStatsValueNameTotalSamplesDuration, |
| info.total_output_duration}}; |
| |
| const IntForAdd ints[] = { |
| {StatsReport::kStatsValueNameCurrentDelayMs, info.delay_estimate_ms}, |
| {StatsReport::kStatsValueNameDecodingCNG, info.decoding_cng}, |
| {StatsReport::kStatsValueNameDecodingCTN, info.decoding_calls_to_neteq}, |
| {StatsReport::kStatsValueNameDecodingCTSG, |
| info.decoding_calls_to_silence_generator}, |
| {StatsReport::kStatsValueNameDecodingMutedOutput, |
| info.decoding_muted_output}, |
| {StatsReport::kStatsValueNameDecodingNormal, info.decoding_normal}, |
| {StatsReport::kStatsValueNameDecodingPLC, info.decoding_plc}, |
| {StatsReport::kStatsValueNameDecodingPLCCNG, info.decoding_plc_cng}, |
| {StatsReport::kStatsValueNameJitterBufferMs, info.jitter_buffer_ms}, |
| {StatsReport::kStatsValueNameJitterReceived, info.jitter_ms}, |
| {StatsReport::kStatsValueNamePacketsLost, info.packets_lost}, |
| {StatsReport::kStatsValueNamePacketsReceived, info.packets_rcvd}, |
| {StatsReport::kStatsValueNamePreferredJitterBufferMs, |
| info.jitter_buffer_preferred_ms}, |
| }; |
| |
| for (const auto& f : floats) |
| report->AddFloat(f.name, f.value); |
| |
| for (const auto& i : ints) |
| report->AddInt(i.name, i.value); |
| if (info.audio_level >= 0) { |
| report->AddInt(StatsReport::kStatsValueNameAudioOutputLevel, |
| info.audio_level); |
| } |
| |
| report->AddInt64(StatsReport::kStatsValueNameBytesReceived, info.bytes_rcvd); |
| if (info.capture_start_ntp_time_ms >= 0) { |
| report->AddInt64(StatsReport::kStatsValueNameCaptureStartNtpTimeMs, |
| info.capture_start_ntp_time_ms); |
| } |
| report->AddString(StatsReport::kStatsValueNameMediaType, "audio"); |
| } |
| |
| void ExtractStats(const cricket::VoiceSenderInfo& info, StatsReport* report) { |
| ExtractCommonSendProperties(info, report); |
| |
| SetAudioProcessingStats(report, info.typing_noise_detected, |
| info.apm_statistics); |
| |
| const FloatForAdd floats[] = { |
| {StatsReport::kStatsValueNameTotalAudioEnergy, info.total_input_energy}, |
| {StatsReport::kStatsValueNameTotalSamplesDuration, |
| info.total_input_duration}}; |
| |
| RTC_DCHECK_GE(info.audio_level, 0); |
| const IntForAdd ints[] = { |
| {StatsReport::kStatsValueNameAudioInputLevel, info.audio_level}, |
| {StatsReport::kStatsValueNameJitterReceived, info.jitter_ms}, |
| {StatsReport::kStatsValueNamePacketsLost, info.packets_lost}, |
| {StatsReport::kStatsValueNamePacketsSent, info.packets_sent}, |
| }; |
| |
| for (const auto& f : floats) { |
| report->AddFloat(f.name, f.value); |
| } |
| |
| for (const auto& i : ints) { |
| if (i.value >= 0) { |
| report->AddInt(i.name, i.value); |
| } |
| } |
| report->AddString(StatsReport::kStatsValueNameMediaType, "audio"); |
| if (info.ana_statistics.bitrate_action_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaBitrateActionCounter, |
| *info.ana_statistics.bitrate_action_counter); |
| } |
| if (info.ana_statistics.channel_action_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaChannelActionCounter, |
| *info.ana_statistics.channel_action_counter); |
| } |
| if (info.ana_statistics.dtx_action_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaDtxActionCounter, |
| *info.ana_statistics.dtx_action_counter); |
| } |
| if (info.ana_statistics.fec_action_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaFecActionCounter, |
| *info.ana_statistics.fec_action_counter); |
| } |
| if (info.ana_statistics.frame_length_increase_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaFrameLengthIncreaseCounter, |
| *info.ana_statistics.frame_length_increase_counter); |
| } |
| if (info.ana_statistics.frame_length_decrease_counter) { |
| report->AddInt(StatsReport::kStatsValueNameAnaFrameLengthDecreaseCounter, |
| *info.ana_statistics.frame_length_decrease_counter); |
| } |
| if (info.ana_statistics.uplink_packet_loss_fraction) { |
| report->AddFloat(StatsReport::kStatsValueNameAnaUplinkPacketLossFraction, |
| *info.ana_statistics.uplink_packet_loss_fraction); |
| } |
| } |
| |
| void ExtractStats(const cricket::VideoReceiverInfo& info, StatsReport* report) { |
| ExtractCommonReceiveProperties(info, report); |
| report->AddString(StatsReport::kStatsValueNameCodecImplementationName, |
| info.decoder_implementation_name); |
| report->AddInt64(StatsReport::kStatsValueNameBytesReceived, info.bytes_rcvd); |
| if (info.capture_start_ntp_time_ms >= 0) { |
| report->AddInt64(StatsReport::kStatsValueNameCaptureStartNtpTimeMs, |
| info.capture_start_ntp_time_ms); |
| } |
| if (info.first_frame_received_to_decoded_ms >= 0) { |
| report->AddInt64(StatsReport::kStatsValueNameFirstFrameReceivedToDecodedMs, |
| info.first_frame_received_to_decoded_ms); |
| } |
| if (info.qp_sum) |
| report->AddInt64(StatsReport::kStatsValueNameQpSum, *info.qp_sum); |
| |
| const IntForAdd ints[] = { |
| {StatsReport::kStatsValueNameCurrentDelayMs, info.current_delay_ms}, |
| {StatsReport::kStatsValueNameDecodeMs, info.decode_ms}, |
| {StatsReport::kStatsValueNameFirsSent, info.firs_sent}, |
| {StatsReport::kStatsValueNameFrameHeightReceived, info.frame_height}, |
| {StatsReport::kStatsValueNameFrameRateDecoded, info.framerate_decoded}, |
| {StatsReport::kStatsValueNameFrameRateOutput, info.framerate_output}, |
| {StatsReport::kStatsValueNameFrameRateReceived, info.framerate_rcvd}, |
| {StatsReport::kStatsValueNameFrameWidthReceived, info.frame_width}, |
| {StatsReport::kStatsValueNameJitterBufferMs, info.jitter_buffer_ms}, |
| {StatsReport::kStatsValueNameMaxDecodeMs, info.max_decode_ms}, |
| {StatsReport::kStatsValueNameMinPlayoutDelayMs, |
| info.min_playout_delay_ms}, |
| {StatsReport::kStatsValueNameNacksSent, info.nacks_sent}, |
| {StatsReport::kStatsValueNamePacketsLost, info.packets_lost}, |
| {StatsReport::kStatsValueNamePacketsReceived, info.packets_rcvd}, |
| {StatsReport::kStatsValueNamePlisSent, info.plis_sent}, |
| {StatsReport::kStatsValueNameRenderDelayMs, info.render_delay_ms}, |
| {StatsReport::kStatsValueNameTargetDelayMs, info.target_delay_ms}, |
| {StatsReport::kStatsValueNameFramesDecoded, info.frames_decoded}, |
| }; |
| |
| for (const auto& i : ints) |
| report->AddInt(i.name, i.value); |
| report->AddString(StatsReport::kStatsValueNameMediaType, "video"); |
| |
| if (info.timing_frame_info) { |
| report->AddString(StatsReport::kStatsValueNameTimingFrameInfo, |
| info.timing_frame_info->ToString()); |
| } |
| |
| report->AddInt64(StatsReport::kStatsValueNameInterframeDelayMaxMs, |
| info.interframe_delay_max_ms); |
| |
| report->AddString( |
| StatsReport::kStatsValueNameContentType, |
| webrtc::videocontenttypehelpers::ToString(info.content_type)); |
| } |
| |
| void ExtractStats(const cricket::VideoSenderInfo& info, StatsReport* report) { |
| ExtractCommonSendProperties(info, report); |
| |
| report->AddString(StatsReport::kStatsValueNameCodecImplementationName, |
| info.encoder_implementation_name); |
| report->AddBoolean(StatsReport::kStatsValueNameBandwidthLimitedResolution, |
| (info.adapt_reason & 0x2) > 0); |
| report->AddBoolean(StatsReport::kStatsValueNameCpuLimitedResolution, |
| (info.adapt_reason & 0x1) > 0); |
| report->AddBoolean(StatsReport::kStatsValueNameHasEnteredLowResolution, |
| info.has_entered_low_resolution); |
| |
| if (info.qp_sum) |
| report->AddInt(StatsReport::kStatsValueNameQpSum, *info.qp_sum); |
| |
| const IntForAdd ints[] = { |
| {StatsReport::kStatsValueNameAdaptationChanges, info.adapt_changes}, |
| {StatsReport::kStatsValueNameAvgEncodeMs, info.avg_encode_ms}, |
| {StatsReport::kStatsValueNameEncodeUsagePercent, |
| info.encode_usage_percent}, |
| {StatsReport::kStatsValueNameFirsReceived, info.firs_rcvd}, |
| {StatsReport::kStatsValueNameFrameHeightSent, info.send_frame_height}, |
| {StatsReport::kStatsValueNameFrameRateInput, info.framerate_input}, |
| {StatsReport::kStatsValueNameFrameRateSent, info.framerate_sent}, |
| {StatsReport::kStatsValueNameFrameWidthSent, info.send_frame_width}, |
| {StatsReport::kStatsValueNameNacksReceived, info.nacks_rcvd}, |
| {StatsReport::kStatsValueNamePacketsLost, info.packets_lost}, |
| {StatsReport::kStatsValueNamePacketsSent, info.packets_sent}, |
| {StatsReport::kStatsValueNamePlisReceived, info.plis_rcvd}, |
| {StatsReport::kStatsValueNameFramesEncoded, info.frames_encoded}, |
| {StatsReport::kStatsValueNameHugeFramesSent, info.huge_frames_sent}, |
| }; |
| |
| for (const auto& i : ints) |
| report->AddInt(i.name, i.value); |
| report->AddString(StatsReport::kStatsValueNameMediaType, "video"); |
| report->AddString( |
| StatsReport::kStatsValueNameContentType, |
| webrtc::videocontenttypehelpers::ToString(info.content_type)); |
| } |
| |
| void ExtractStats(const cricket::BandwidthEstimationInfo& info, |
| double stats_gathering_started, |
| StatsReport* report) { |
| RTC_DCHECK(report->type() == StatsReport::kStatsReportTypeBwe); |
| |
| report->set_timestamp(stats_gathering_started); |
| const IntForAdd ints[] = { |
| {StatsReport::kStatsValueNameAvailableSendBandwidth, |
| info.available_send_bandwidth}, |
| {StatsReport::kStatsValueNameAvailableReceiveBandwidth, |
| info.available_recv_bandwidth}, |
| {StatsReport::kStatsValueNameTargetEncBitrate, info.target_enc_bitrate}, |
| {StatsReport::kStatsValueNameActualEncBitrate, info.actual_enc_bitrate}, |
| {StatsReport::kStatsValueNameRetransmitBitrate, info.retransmit_bitrate}, |
| {StatsReport::kStatsValueNameTransmitBitrate, info.transmit_bitrate}, |
| }; |
| for (const auto& i : ints) |
| report->AddInt(i.name, i.value); |
| report->AddInt64(StatsReport::kStatsValueNameBucketDelay, info.bucket_delay); |
| } |
| |
| void ExtractRemoteStats(const cricket::MediaSenderInfo& info, |
| StatsReport* report) { |
| report->set_timestamp(info.remote_stats[0].timestamp); |
| // TODO(hta): Extract some stats here. |
| } |
| |
| void ExtractRemoteStats(const cricket::MediaReceiverInfo& info, |
| StatsReport* report) { |
| report->set_timestamp(info.remote_stats[0].timestamp); |
| // TODO(hta): Extract some stats here. |
| } |
| |
| // Template to extract stats from a data vector. |
| // In order to use the template, the functions that are called from it, |
| // ExtractStats and ExtractRemoteStats, must be defined and overloaded |
| // for each type. |
| template <typename T> |
| void ExtractStatsFromList(const std::vector<T>& data, |
| const StatsReport::Id& transport_id, |
| StatsCollector* collector, |
| StatsReport::Direction direction) { |
| for (const auto& d : data) { |
| uint32_t ssrc = d.ssrc(); |
| // Each track can have stats for both local and remote objects. |
| // TODO(hta): Handle the case of multiple SSRCs per object. |
| StatsReport* report = |
| collector->PrepareReport(true, ssrc, transport_id, direction); |
| if (report) |
| ExtractStats(d, report); |
| |
| if (!d.remote_stats.empty()) { |
| report = collector->PrepareReport(false, ssrc, transport_id, direction); |
| if (report) |
| ExtractRemoteStats(d, report); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| const char* IceCandidateTypeToStatsType(const std::string& candidate_type) { |
| if (candidate_type == cricket::LOCAL_PORT_TYPE) { |
| return STATSREPORT_LOCAL_PORT_TYPE; |
| } |
| if (candidate_type == cricket::STUN_PORT_TYPE) { |
| return STATSREPORT_STUN_PORT_TYPE; |
| } |
| if (candidate_type == cricket::PRFLX_PORT_TYPE) { |
| return STATSREPORT_PRFLX_PORT_TYPE; |
| } |
| if (candidate_type == cricket::RELAY_PORT_TYPE) { |
| return STATSREPORT_RELAY_PORT_TYPE; |
| } |
| RTC_NOTREACHED(); |
| return "unknown"; |
| } |
| |
| const char* AdapterTypeToStatsType(rtc::AdapterType type) { |
| switch (type) { |
| case rtc::ADAPTER_TYPE_UNKNOWN: |
| return "unknown"; |
| case rtc::ADAPTER_TYPE_ETHERNET: |
| return STATSREPORT_ADAPTER_TYPE_ETHERNET; |
| case rtc::ADAPTER_TYPE_WIFI: |
| return STATSREPORT_ADAPTER_TYPE_WIFI; |
| case rtc::ADAPTER_TYPE_CELLULAR: |
| return STATSREPORT_ADAPTER_TYPE_WWAN; |
| case rtc::ADAPTER_TYPE_VPN: |
| return STATSREPORT_ADAPTER_TYPE_VPN; |
| case rtc::ADAPTER_TYPE_LOOPBACK: |
| return STATSREPORT_ADAPTER_TYPE_LOOPBACK; |
| case rtc::ADAPTER_TYPE_ANY: |
| return STATSREPORT_ADAPTER_TYPE_WILDCARD; |
| default: |
| RTC_NOTREACHED(); |
| return ""; |
| } |
| } |
| |
| StatsCollector::StatsCollector(PeerConnectionInternal* pc) |
| : pc_(pc), stats_gathering_started_(0) { |
| RTC_DCHECK(pc_); |
| } |
| |
| StatsCollector::~StatsCollector() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| } |
| |
| // Wallclock time in ms. |
| double StatsCollector::GetTimeNow() { |
| return static_cast<double>(rtc::TimeUTCMillis()); |
| } |
| |
| // Adds a MediaStream with tracks that can be used as a |selector| in a call |
| // to GetStats. |
| void StatsCollector::AddStream(MediaStreamInterface* stream) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| RTC_DCHECK(stream != NULL); |
| |
| CreateTrackReports<AudioTrackVector>(stream->GetAudioTracks(), &reports_, |
| &track_ids_); |
| CreateTrackReports<VideoTrackVector>(stream->GetVideoTracks(), &reports_, |
| &track_ids_); |
| } |
| |
| void StatsCollector::AddTrack(MediaStreamTrackInterface* track) { |
| if (track->kind() == MediaStreamTrackInterface::kAudioKind) { |
| CreateTrackReport(static_cast<AudioTrackInterface*>(track), &reports_, |
| &track_ids_); |
| } else if (track->kind() == MediaStreamTrackInterface::kVideoKind) { |
| CreateTrackReport(static_cast<VideoTrackInterface*>(track), &reports_, |
| &track_ids_); |
| } else { |
| RTC_NOTREACHED() << "Illegal track kind"; |
| } |
| } |
| |
| void StatsCollector::AddLocalAudioTrack(AudioTrackInterface* audio_track, |
| uint32_t ssrc) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| RTC_DCHECK(audio_track != NULL); |
| #if RTC_DCHECK_IS_ON |
| for (const auto& track : local_audio_tracks_) |
| RTC_DCHECK(track.first != audio_track || track.second != ssrc); |
| #endif |
| |
| local_audio_tracks_.push_back(std::make_pair(audio_track, ssrc)); |
| |
| // Create the kStatsReportTypeTrack report for the new track if there is no |
| // report yet. |
| StatsReport::Id id(StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, |
| audio_track->id())); |
| StatsReport* report = reports_.Find(id); |
| if (!report) { |
| report = reports_.InsertNew(id); |
| report->AddString(StatsReport::kStatsValueNameTrackId, audio_track->id()); |
| } |
| } |
| |
| void StatsCollector::RemoveLocalAudioTrack(AudioTrackInterface* audio_track, |
| uint32_t ssrc) { |
| RTC_DCHECK(audio_track != NULL); |
| local_audio_tracks_.erase( |
| std::remove_if( |
| local_audio_tracks_.begin(), local_audio_tracks_.end(), |
| [audio_track, ssrc](const LocalAudioTrackVector::value_type& track) { |
| return track.first == audio_track && track.second == ssrc; |
| }), |
| local_audio_tracks_.end()); |
| } |
| |
| void StatsCollector::GetStats(MediaStreamTrackInterface* track, |
| StatsReports* reports) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| RTC_DCHECK(reports != NULL); |
| RTC_DCHECK(reports->empty()); |
| |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| |
| if (!track) { |
| reports->reserve(reports_.size()); |
| for (auto* r : reports_) |
| reports->push_back(r); |
| return; |
| } |
| |
| StatsReport* report = reports_.Find(StatsReport::NewTypedId( |
| StatsReport::kStatsReportTypeSession, pc_->session_id())); |
| if (report) |
| reports->push_back(report); |
| |
| report = reports_.Find( |
| StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, track->id())); |
| |
| if (!report) |
| return; |
| |
| reports->push_back(report); |
| |
| std::string track_id; |
| for (const auto* r : reports_) { |
| if (r->type() != StatsReport::kStatsReportTypeSsrc) |
| continue; |
| |
| const StatsReport::Value* v = |
| r->FindValue(StatsReport::kStatsValueNameTrackId); |
| if (v && v->string_val() == track->id()) |
| reports->push_back(r); |
| } |
| } |
| |
| void StatsCollector::UpdateStats( |
| PeerConnectionInterface::StatsOutputLevel level) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| double time_now = GetTimeNow(); |
| // Calls to UpdateStats() that occur less than kMinGatherStatsPeriod number of |
| // ms apart will be ignored. |
| const double kMinGatherStatsPeriod = 50; |
| if (stats_gathering_started_ != 0 && |
| stats_gathering_started_ + kMinGatherStatsPeriod > time_now) { |
| return; |
| } |
| stats_gathering_started_ = time_now; |
| |
| // TODO(tommi): All of these hop over to the worker thread to fetch |
| // information. We could use an AsyncInvoker to run all of these and post |
| // the information back to the signaling thread where we can create and |
| // update stats reports. That would also clean up the threading story a bit |
| // since we'd be creating/updating the stats report objects consistently on |
| // the same thread (this class has no locks right now). |
| ExtractSessionInfo(); |
| ExtractBweInfo(); |
| ExtractMediaInfo(); |
| ExtractSenderInfo(); |
| ExtractDataInfo(); |
| UpdateTrackReports(); |
| } |
| |
| StatsReport* StatsCollector::PrepareReport(bool local, |
| uint32_t ssrc, |
| const StatsReport::Id& transport_id, |
| StatsReport::Direction direction) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| StatsReport::Id id(StatsReport::NewIdWithDirection( |
| local ? StatsReport::kStatsReportTypeSsrc |
| : StatsReport::kStatsReportTypeRemoteSsrc, |
| rtc::ToString(ssrc), direction)); |
| StatsReport* report = reports_.Find(id); |
| |
| // Use the ID of the track that is currently mapped to the SSRC, if any. |
| absl::string_view track_id = GetTrackIdBySsrc(ssrc, direction); |
| if (track_id.empty()) { |
| // The SSRC is not used by any existing track (or lookup failed since the |
| // SSRC wasn't signaled in SDP). Try copying the track ID from a previous |
| // report: if one exists. |
| if (report) { |
| const StatsReport::Value* v = |
| report->FindValue(StatsReport::kStatsValueNameTrackId); |
| if (v) { |
| track_id = v->string_val(); |
| } |
| } |
| } |
| |
| if (!report) { |
| report = reports_.InsertNew(id); |
| } |
| |
| // FYI - for remote reports, the timestamp will be overwritten later. |
| report->set_timestamp(stats_gathering_started_); |
| |
| report->AddInt64(StatsReport::kStatsValueNameSsrc, ssrc); |
| if (!track_id.empty()) { |
| report->AddString(StatsReport::kStatsValueNameTrackId, |
| std::string(track_id)); |
| } |
| // Add the mapping of SSRC to transport. |
| report->AddId(StatsReport::kStatsValueNameTransportId, transport_id); |
| return report; |
| } |
| |
| bool StatsCollector::IsValidTrack(const std::string& track_id) { |
| return reports_.Find(StatsReport::NewTypedId( |
| StatsReport::kStatsReportTypeTrack, track_id)) != nullptr; |
| } |
| |
| StatsReport* StatsCollector::AddCertificateReports( |
| std::unique_ptr<rtc::SSLCertificateStats> cert_stats) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| StatsReport* first_report = nullptr; |
| StatsReport* prev_report = nullptr; |
| for (rtc::SSLCertificateStats* stats = cert_stats.get(); stats; |
| stats = stats->issuer.get()) { |
| StatsReport::Id id(StatsReport::NewTypedId( |
| StatsReport::kStatsReportTypeCertificate, stats->fingerprint)); |
| |
| StatsReport* report = reports_.ReplaceOrAddNew(id); |
| report->set_timestamp(stats_gathering_started_); |
| report->AddString(StatsReport::kStatsValueNameFingerprint, |
| stats->fingerprint); |
| report->AddString(StatsReport::kStatsValueNameFingerprintAlgorithm, |
| stats->fingerprint_algorithm); |
| report->AddString(StatsReport::kStatsValueNameDer, |
| stats->base64_certificate); |
| if (!first_report) |
| first_report = report; |
| else |
| prev_report->AddId(StatsReport::kStatsValueNameIssuerId, id); |
| prev_report = report; |
| } |
| return first_report; |
| } |
| |
| StatsReport* StatsCollector::AddConnectionInfoReport( |
| const std::string& content_name, |
| int component, |
| int connection_id, |
| const StatsReport::Id& channel_report_id, |
| const cricket::ConnectionInfo& info) { |
| StatsReport::Id id( |
| StatsReport::NewCandidatePairId(content_name, component, connection_id)); |
| StatsReport* report = reports_.ReplaceOrAddNew(id); |
| report->set_timestamp(stats_gathering_started_); |
| |
| const BoolForAdd bools[] = { |
| {StatsReport::kStatsValueNameActiveConnection, info.best_connection}, |
| {StatsReport::kStatsValueNameReceiving, info.receiving}, |
| {StatsReport::kStatsValueNameWritable, info.writable}, |
| }; |
| for (const auto& b : bools) |
| report->AddBoolean(b.name, b.value); |
| |
| report->AddId(StatsReport::kStatsValueNameChannelId, channel_report_id); |
| cricket::CandidateStats local_candidate_stats(info.local_candidate); |
| cricket::CandidateStats remote_candidate_stats(info.remote_candidate); |
| report->AddId(StatsReport::kStatsValueNameLocalCandidateId, |
| AddCandidateReport(local_candidate_stats, true)->id()); |
| report->AddId(StatsReport::kStatsValueNameRemoteCandidateId, |
| AddCandidateReport(remote_candidate_stats, false)->id()); |
| |
| const Int64ForAdd int64s[] = { |
| {StatsReport::kStatsValueNameBytesReceived, info.recv_total_bytes}, |
| {StatsReport::kStatsValueNameBytesSent, info.sent_total_bytes}, |
| {StatsReport::kStatsValueNamePacketsSent, info.sent_total_packets}, |
| {StatsReport::kStatsValueNameRtt, info.rtt}, |
| {StatsReport::kStatsValueNameSendPacketsDiscarded, |
| info.sent_discarded_packets}, |
| {StatsReport::kStatsValueNameSentPingRequestsTotal, |
| info.sent_ping_requests_total}, |
| {StatsReport::kStatsValueNameSentPingRequestsBeforeFirstResponse, |
| info.sent_ping_requests_before_first_response}, |
| {StatsReport::kStatsValueNameSentPingResponses, info.sent_ping_responses}, |
| {StatsReport::kStatsValueNameRecvPingRequests, info.recv_ping_requests}, |
| {StatsReport::kStatsValueNameRecvPingResponses, info.recv_ping_responses}, |
| }; |
| for (const auto& i : int64s) |
| report->AddInt64(i.name, i.value); |
| |
| report->AddString(StatsReport::kStatsValueNameLocalAddress, |
| info.local_candidate.address().ToString()); |
| report->AddString(StatsReport::kStatsValueNameLocalCandidateType, |
| info.local_candidate.type()); |
| report->AddString(StatsReport::kStatsValueNameRemoteAddress, |
| info.remote_candidate.address().ToString()); |
| report->AddString(StatsReport::kStatsValueNameRemoteCandidateType, |
| info.remote_candidate.type()); |
| report->AddString(StatsReport::kStatsValueNameTransportType, |
| info.local_candidate.protocol()); |
| |
| return report; |
| } |
| |
| StatsReport* StatsCollector::AddCandidateReport( |
| const cricket::CandidateStats& candidate_stats, |
| bool local) { |
| const auto& candidate = candidate_stats.candidate; |
| StatsReport::Id id(StatsReport::NewCandidateId(local, candidate.id())); |
| StatsReport* report = reports_.Find(id); |
| if (!report) { |
| report = reports_.InsertNew(id); |
| report->set_timestamp(stats_gathering_started_); |
| if (local) { |
| report->AddString(StatsReport::kStatsValueNameCandidateNetworkType, |
| AdapterTypeToStatsType(candidate.network_type())); |
| } |
| report->AddString(StatsReport::kStatsValueNameCandidateIPAddress, |
| candidate.address().ipaddr().ToString()); |
| report->AddString(StatsReport::kStatsValueNameCandidatePortNumber, |
| candidate.address().PortAsString()); |
| report->AddInt(StatsReport::kStatsValueNameCandidatePriority, |
| candidate.priority()); |
| report->AddString(StatsReport::kStatsValueNameCandidateType, |
| IceCandidateTypeToStatsType(candidate.type())); |
| report->AddString(StatsReport::kStatsValueNameCandidateTransportType, |
| candidate.protocol()); |
| } |
| |
| if (local && candidate_stats.stun_stats.has_value()) { |
| const auto& stun_stats = candidate_stats.stun_stats.value(); |
| report->AddInt64(StatsReport::kStatsValueNameSentStunKeepaliveRequests, |
| stun_stats.stun_binding_requests_sent); |
| report->AddInt64(StatsReport::kStatsValueNameRecvStunKeepaliveResponses, |
| stun_stats.stun_binding_responses_received); |
| report->AddFloat(StatsReport::kStatsValueNameStunKeepaliveRttTotal, |
| stun_stats.stun_binding_rtt_ms_total); |
| report->AddFloat(StatsReport::kStatsValueNameStunKeepaliveRttSquaredTotal, |
| stun_stats.stun_binding_rtt_ms_squared_total); |
| } |
| |
| return report; |
| } |
| |
| void StatsCollector::ExtractSessionInfo() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| // Extract information from the base session. |
| StatsReport::Id id(StatsReport::NewTypedId( |
| StatsReport::kStatsReportTypeSession, pc_->session_id())); |
| StatsReport* report = reports_.ReplaceOrAddNew(id); |
| report->set_timestamp(stats_gathering_started_); |
| report->AddBoolean(StatsReport::kStatsValueNameInitiator, |
| pc_->initial_offerer()); |
| |
| cricket::CandidateStatsList pooled_candidate_stats_list = |
| pc_->GetPooledCandidateStats(); |
| |
| for (const cricket::CandidateStats& stats : pooled_candidate_stats_list) { |
| AddCandidateReport(stats, true); |
| } |
| |
| std::set<std::string> transport_names; |
| for (const auto& entry : pc_->GetTransportNamesByMid()) { |
| transport_names.insert(entry.second); |
| } |
| |
| std::map<std::string, cricket::TransportStats> transport_stats_by_name = |
| pc_->GetTransportStatsByNames(transport_names); |
| |
| for (const auto& entry : transport_stats_by_name) { |
| const std::string& transport_name = entry.first; |
| const cricket::TransportStats& transport_stats = entry.second; |
| |
| // Attempt to get a copy of the certificates from the transport and |
| // expose them in stats reports. All channels in a transport share the |
| // same local and remote certificates. |
| // |
| StatsReport::Id local_cert_report_id, remote_cert_report_id; |
| rtc::scoped_refptr<rtc::RTCCertificate> certificate; |
| if (pc_->GetLocalCertificate(transport_name, &certificate)) { |
| StatsReport* r = AddCertificateReports( |
| certificate->GetSSLCertificateChain().GetStats()); |
| if (r) |
| local_cert_report_id = r->id(); |
| } |
| |
| std::unique_ptr<rtc::SSLCertChain> remote_cert_chain = |
| pc_->GetRemoteSSLCertChain(transport_name); |
| if (remote_cert_chain) { |
| StatsReport* r = AddCertificateReports(remote_cert_chain->GetStats()); |
| if (r) |
| remote_cert_report_id = r->id(); |
| } |
| |
| for (const auto& channel_iter : transport_stats.channel_stats) { |
| StatsReport::Id id( |
| StatsReport::NewComponentId(transport_name, channel_iter.component)); |
| StatsReport* channel_report = reports_.ReplaceOrAddNew(id); |
| channel_report->set_timestamp(stats_gathering_started_); |
| channel_report->AddInt(StatsReport::kStatsValueNameComponent, |
| channel_iter.component); |
| if (local_cert_report_id.get()) { |
| channel_report->AddId(StatsReport::kStatsValueNameLocalCertificateId, |
| local_cert_report_id); |
| } |
| if (remote_cert_report_id.get()) { |
| channel_report->AddId(StatsReport::kStatsValueNameRemoteCertificateId, |
| remote_cert_report_id); |
| } |
| int srtp_crypto_suite = channel_iter.srtp_crypto_suite; |
| if (srtp_crypto_suite != rtc::SRTP_INVALID_CRYPTO_SUITE && |
| rtc::SrtpCryptoSuiteToName(srtp_crypto_suite).length()) { |
| channel_report->AddString( |
| StatsReport::kStatsValueNameSrtpCipher, |
| rtc::SrtpCryptoSuiteToName(srtp_crypto_suite)); |
| } |
| int ssl_cipher_suite = channel_iter.ssl_cipher_suite; |
| if (ssl_cipher_suite != rtc::TLS_NULL_WITH_NULL_NULL && |
| rtc::SSLStreamAdapter::SslCipherSuiteToName(ssl_cipher_suite) |
| .length()) { |
| channel_report->AddString( |
| StatsReport::kStatsValueNameDtlsCipher, |
| rtc::SSLStreamAdapter::SslCipherSuiteToName(ssl_cipher_suite)); |
| } |
| |
| // Collect stats for non-pooled candidates. Note that the reports |
| // generated here supersedes the candidate reports generated in |
| // AddConnectionInfoReport below, and they may report candidates that are |
| // not paired. Also, the candidate report generated in |
| // AddConnectionInfoReport do not report port stats like StunStats. |
| for (const cricket::CandidateStats& stats : |
| channel_iter.candidate_stats_list) { |
| AddCandidateReport(stats, true); |
| } |
| |
| int connection_id = 0; |
| for (const cricket::ConnectionInfo& info : |
| channel_iter.connection_infos) { |
| StatsReport* connection_report = AddConnectionInfoReport( |
| transport_name, channel_iter.component, connection_id++, |
| channel_report->id(), info); |
| if (info.best_connection) { |
| channel_report->AddId( |
| StatsReport::kStatsValueNameSelectedCandidatePairId, |
| connection_report->id()); |
| } |
| } |
| } |
| } |
| } |
| |
| void StatsCollector::ExtractBweInfo() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| if (pc_->signaling_state() == PeerConnectionInterface::kClosed) |
| return; |
| |
| webrtc::Call::Stats call_stats = pc_->GetCallStats(); |
| cricket::BandwidthEstimationInfo bwe_info; |
| bwe_info.available_send_bandwidth = call_stats.send_bandwidth_bps; |
| bwe_info.available_recv_bandwidth = call_stats.recv_bandwidth_bps; |
| bwe_info.bucket_delay = call_stats.pacer_delay_ms; |
| |
| // Fill in target encoder bitrate, actual encoder bitrate, rtx bitrate, etc. |
| // TODO(holmer): Also fill this in for audio. |
| for (const auto& transceiver : pc_->GetTransceiversInternal()) { |
| if (transceiver->media_type() != cricket::MEDIA_TYPE_VIDEO) { |
| continue; |
| } |
| auto* video_channel = |
| static_cast<cricket::VideoChannel*>(transceiver->internal()->channel()); |
| if (!video_channel) { |
| continue; |
| } |
| video_channel->FillBitrateInfo(&bwe_info); |
| } |
| |
| StatsReport::Id report_id(StatsReport::NewBandwidthEstimationId()); |
| StatsReport* report = reports_.FindOrAddNew(report_id); |
| ExtractStats(bwe_info, stats_gathering_started_, report); |
| } |
| |
| namespace { |
| |
| struct VoiceChannelStatsInfo { |
| std::string transport_name; |
| cricket::VoiceMediaChannel* voice_media_channel; |
| cricket::VoiceMediaInfo voice_media_info; |
| }; |
| |
| struct VideoChannelStatsInfo { |
| std::string transport_name; |
| cricket::VideoMediaChannel* video_media_channel; |
| cricket::VideoMediaInfo video_media_info; |
| }; |
| |
| } // namespace |
| |
| void StatsCollector::ExtractMediaInfo() { |
| RTC_DCHECK_RUN_ON(pc_->signaling_thread()); |
| |
| std::vector<VoiceChannelStatsInfo> voice_channel_infos; |
| std::vector<VideoChannelStatsInfo> video_channel_infos; |
| |
| { |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| for (const auto& transceiver : pc_->GetTransceiversInternal()) { |
| if (!transceiver->internal()->channel()) { |
| continue; |
| } |
| cricket::MediaType media_type = transceiver->internal()->media_type(); |
| if (media_type == cricket::MEDIA_TYPE_AUDIO) { |
| auto* voice_channel = static_cast<cricket::VoiceChannel*>( |
| transceiver->internal()->channel()); |
| voice_channel_infos.emplace_back(); |
| VoiceChannelStatsInfo& info = voice_channel_infos.back(); |
| info.transport_name = voice_channel->transport_name(); |
| info.voice_media_channel = voice_channel->media_channel(); |
| } else { |
| RTC_DCHECK_EQ(media_type, cricket::MEDIA_TYPE_VIDEO); |
| auto* video_channel = static_cast<cricket::VideoChannel*>( |
| transceiver->internal()->channel()); |
| video_channel_infos.emplace_back(); |
| VideoChannelStatsInfo& info = video_channel_infos.back(); |
| info.transport_name = video_channel->transport_name(); |
| info.video_media_channel = video_channel->media_channel(); |
| } |
| } |
| } |
| |
| pc_->worker_thread()->Invoke<void>(RTC_FROM_HERE, [&] { |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| for (auto it = voice_channel_infos.begin(); it != voice_channel_infos.end(); |
| /* incremented manually */) { |
| if (!it->voice_media_channel->GetStats(&it->voice_media_info)) { |
| RTC_LOG(LS_ERROR) << "Failed to get voice channel stats"; |
| it = voice_channel_infos.erase(it); |
| continue; |
| } |
| ++it; |
| } |
| for (auto it = video_channel_infos.begin(); it != video_channel_infos.end(); |
| /* incremented manually */) { |
| if (!it->video_media_channel->GetStats(&it->video_media_info)) { |
| RTC_LOG(LS_ERROR) << "Failed to get video channel stats"; |
| it = video_channel_infos.erase(it); |
| continue; |
| } |
| ++it; |
| } |
| }); |
| |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| |
| bool has_remote_audio = false; |
| for (const auto& info : voice_channel_infos) { |
| StatsReport::Id transport_id = StatsReport::NewComponentId( |
| info.transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP); |
| ExtractStatsFromList(info.voice_media_info.receivers, transport_id, this, |
| StatsReport::kReceive); |
| ExtractStatsFromList(info.voice_media_info.senders, transport_id, this, |
| StatsReport::kSend); |
| if (!info.voice_media_info.receivers.empty()) { |
| has_remote_audio = true; |
| } |
| } |
| for (const auto& info : video_channel_infos) { |
| StatsReport::Id transport_id = StatsReport::NewComponentId( |
| info.transport_name, cricket::ICE_CANDIDATE_COMPONENT_RTP); |
| ExtractStatsFromList(info.video_media_info.receivers, transport_id, this, |
| StatsReport::kReceive); |
| ExtractStatsFromList(info.video_media_info.senders, transport_id, this, |
| StatsReport::kSend); |
| } |
| |
| UpdateStatsFromExistingLocalAudioTracks(has_remote_audio); |
| } |
| |
| void StatsCollector::ExtractSenderInfo() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| for (const auto& sender : pc_->GetSenders()) { |
| // TODO(nisse): SSRC == 0 currently means none. Delete check when |
| // that is fixed. |
| if (!sender->ssrc()) { |
| continue; |
| } |
| const rtc::scoped_refptr<MediaStreamTrackInterface> track(sender->track()); |
| if (!track || track->kind() != MediaStreamTrackInterface::kVideoKind) { |
| continue; |
| } |
| // Safe, because kind() == kVideoKind implies a subclass of |
| // VideoTrackInterface; see mediastreaminterface.h. |
| VideoTrackSourceInterface* source = |
| static_cast<VideoTrackInterface*>(track.get())->GetSource(); |
| |
| VideoTrackSourceInterface::Stats stats; |
| if (!source->GetStats(&stats)) { |
| continue; |
| } |
| const StatsReport::Id stats_id = StatsReport::NewIdWithDirection( |
| StatsReport::kStatsReportTypeSsrc, rtc::ToString(sender->ssrc()), |
| StatsReport::kSend); |
| StatsReport* report = reports_.FindOrAddNew(stats_id); |
| report->AddInt(StatsReport::kStatsValueNameFrameWidthInput, |
| stats.input_width); |
| report->AddInt(StatsReport::kStatsValueNameFrameHeightInput, |
| stats.input_height); |
| } |
| } |
| |
| void StatsCollector::ExtractDataInfo() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| |
| for (const auto& dc : pc_->sctp_data_channels()) { |
| StatsReport::Id id(StatsReport::NewTypedIntId( |
| StatsReport::kStatsReportTypeDataChannel, dc->id())); |
| StatsReport* report = reports_.ReplaceOrAddNew(id); |
| report->set_timestamp(stats_gathering_started_); |
| report->AddString(StatsReport::kStatsValueNameLabel, dc->label()); |
| // Filter out the initial id (-1). |
| if (dc->id() >= 0) { |
| report->AddInt(StatsReport::kStatsValueNameDataChannelId, dc->id()); |
| } |
| report->AddString(StatsReport::kStatsValueNameProtocol, dc->protocol()); |
| report->AddString(StatsReport::kStatsValueNameState, |
| DataChannelInterface::DataStateString(dc->state())); |
| } |
| } |
| |
| StatsReport* StatsCollector::GetReport(const StatsReport::StatsType& type, |
| const std::string& id, |
| StatsReport::Direction direction) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| RTC_DCHECK(type == StatsReport::kStatsReportTypeSsrc || |
| type == StatsReport::kStatsReportTypeRemoteSsrc); |
| return reports_.Find(StatsReport::NewIdWithDirection(type, id, direction)); |
| } |
| |
| void StatsCollector::UpdateStatsFromExistingLocalAudioTracks( |
| bool has_remote_tracks) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| // Loop through the existing local audio tracks. |
| for (const auto& it : local_audio_tracks_) { |
| AudioTrackInterface* track = it.first; |
| uint32_t ssrc = it.second; |
| StatsReport* report = GetReport(StatsReport::kStatsReportTypeSsrc, |
| rtc::ToString(ssrc), StatsReport::kSend); |
| if (report == NULL) { |
| // This can happen if a local audio track is added to a stream on the |
| // fly and the report has not been set up yet. Do nothing in this case. |
| RTC_LOG(LS_ERROR) << "Stats report does not exist for ssrc " << ssrc; |
| continue; |
| } |
| |
| // The same ssrc can be used by both local and remote audio tracks. |
| const StatsReport::Value* v = |
| report->FindValue(StatsReport::kStatsValueNameTrackId); |
| if (!v || v->string_val() != track->id()) |
| continue; |
| |
| report->set_timestamp(stats_gathering_started_); |
| UpdateReportFromAudioTrack(track, report, has_remote_tracks); |
| } |
| } |
| |
| void StatsCollector::UpdateReportFromAudioTrack(AudioTrackInterface* track, |
| StatsReport* report, |
| bool has_remote_tracks) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| RTC_DCHECK(track != NULL); |
| |
| // Don't overwrite report values if they're not available. |
| int signal_level; |
| if (track->GetSignalLevel(&signal_level)) { |
| RTC_DCHECK_GE(signal_level, 0); |
| report->AddInt(StatsReport::kStatsValueNameAudioInputLevel, signal_level); |
| } |
| |
| auto audio_processor(track->GetAudioProcessor()); |
| |
| if (audio_processor.get()) { |
| AudioProcessorInterface::AudioProcessorStatistics stats = |
| audio_processor->GetStats(has_remote_tracks); |
| |
| SetAudioProcessingStats(report, stats.typing_noise_detected, |
| stats.apm_statistics); |
| } |
| } |
| |
| absl::string_view StatsCollector::GetTrackIdBySsrc( |
| uint32_t ssrc, |
| StatsReport::Direction direction) { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| if (direction == StatsReport::kSend) { |
| return pc_->GetLocalTrackIdBySsrc(ssrc); |
| } |
| RTC_DCHECK_EQ(direction, StatsReport::kReceive); |
| return pc_->GetRemoteTrackIdBySsrc(ssrc); |
| } |
| |
| void StatsCollector::UpdateTrackReports() { |
| RTC_DCHECK(pc_->signaling_thread()->IsCurrent()); |
| |
| rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; |
| |
| for (const auto& entry : track_ids_) { |
| StatsReport* report = entry.second; |
| report->set_timestamp(stats_gathering_started_); |
| } |
| } |
| |
| void StatsCollector::ClearUpdateStatsCacheForTest() { |
| stats_gathering_started_ = 0; |
| } |
| |
| } // namespace webrtc |
