| /* |
| * Copyright (c) 2019 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 "test/pc/e2e/analyzer/video/default_video_quality_analyzer.h" |
| |
| #include <algorithm> |
| #include <memory> |
| #include <utility> |
| |
| #include "api/units/time_delta.h" |
| #include "common_video/libyuv/include/webrtc_libyuv.h" |
| #include "rtc_base/logging.h" |
| |
| namespace webrtc { |
| namespace webrtc_pc_e2e { |
| namespace { |
| |
| constexpr int kMaxActiveComparisons = 10; |
| constexpr int kFreezeThresholdMs = 150; |
| constexpr int kMicrosPerSecond = 1000000; |
| constexpr int kBitsInByte = 8; |
| |
| void LogFrameCounters(const std::string& name, const FrameCounters& counters) { |
| RTC_LOG(INFO) << "[" << name << "] Captured : " << counters.captured; |
| RTC_LOG(INFO) << "[" << name << "] Pre encoded : " << counters.pre_encoded; |
| RTC_LOG(INFO) << "[" << name << "] Encoded : " << counters.encoded; |
| RTC_LOG(INFO) << "[" << name << "] Received : " << counters.received; |
| RTC_LOG(INFO) << "[" << name << "] Rendered : " << counters.rendered; |
| RTC_LOG(INFO) << "[" << name << "] Dropped : " << counters.dropped; |
| } |
| |
| void LogStreamInternalStats(const std::string& name, const StreamStats& stats) { |
| RTC_LOG(INFO) << "[" << name |
| << "] Dropped by encoder : " << stats.dropped_by_encoder; |
| RTC_LOG(INFO) << "[" << name << "] Dropped before encoder : " |
| << stats.dropped_before_encoder; |
| } |
| |
| } // namespace |
| |
| void RateCounter::AddEvent(Timestamp event_time) { |
| if (event_first_time_.IsMinusInfinity()) { |
| event_first_time_ = event_time; |
| } |
| event_last_time_ = event_time; |
| event_count_++; |
| } |
| |
| double RateCounter::GetEventsPerSecond() const { |
| RTC_DCHECK(!IsEmpty()); |
| // Divide on us and multiply on kMicrosPerSecond to correctly process cases |
| // where there were too small amount of events, so difference is less then 1 |
| // sec. We can use us here, because Timestamp has us resolution. |
| return static_cast<double>(event_count_) / |
| (event_last_time_ - event_first_time_).us() * kMicrosPerSecond; |
| } |
| |
| DefaultVideoQualityAnalyzer::DefaultVideoQualityAnalyzer( |
| bool heavy_metrics_computation_enabled) |
| : heavy_metrics_computation_enabled_(heavy_metrics_computation_enabled), |
| clock_(Clock::GetRealTimeClock()) {} |
| DefaultVideoQualityAnalyzer::~DefaultVideoQualityAnalyzer() { |
| Stop(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::Start(std::string test_case_name, |
| int max_threads_count) { |
| test_label_ = std::move(test_case_name); |
| for (int i = 0; i < max_threads_count; i++) { |
| auto thread = std::make_unique<rtc::PlatformThread>( |
| &DefaultVideoQualityAnalyzer::ProcessComparisonsThread, this, |
| ("DefaultVideoQualityAnalyzerWorker-" + std::to_string(i)).data(), |
| rtc::ThreadPriority::kNormalPriority); |
| thread->Start(); |
| thread_pool_.push_back(std::move(thread)); |
| } |
| { |
| rtc::CritScope crit(&lock_); |
| RTC_CHECK(start_time_.IsMinusInfinity()); |
| |
| state_ = State::kActive; |
| start_time_ = Now(); |
| } |
| } |
| |
| uint16_t DefaultVideoQualityAnalyzer::OnFrameCaptured( |
| const std::string& stream_label, |
| const webrtc::VideoFrame& frame) { |
| // |next_frame_id| is atomic, so we needn't lock here. |
| uint16_t frame_id = next_frame_id_++; |
| Timestamp start_time = Timestamp::MinusInfinity(); |
| { |
| rtc::CritScope crit(&lock_); |
| // Create a local copy of start_time_ to access it under |comparison_lock_| |
| // without holding a |lock_| |
| start_time = start_time_; |
| } |
| { |
| // Ensure stats for this stream exists. |
| rtc::CritScope crit(&comparison_lock_); |
| if (stream_stats_.find(stream_label) == stream_stats_.end()) { |
| stream_stats_.insert({stream_label, StreamStats()}); |
| // Assume that the first freeze was before first stream frame captured. |
| // This way time before the first freeze would be counted as time between |
| // freezes. |
| stream_last_freeze_end_time_.insert({stream_label, start_time}); |
| } |
| } |
| { |
| rtc::CritScope crit(&lock_); |
| frame_counters_.captured++; |
| stream_frame_counters_[stream_label].captured++; |
| |
| StreamState* state = &stream_states_[stream_label]; |
| state->frame_ids.push_back(frame_id); |
| // Update frames in flight info. |
| auto it = captured_frames_in_flight_.find(frame_id); |
| if (it != captured_frames_in_flight_.end()) { |
| // We overflow uint16_t and hit previous frame id and this frame is still |
| // in flight. It means that this stream wasn't rendered for long time and |
| // we need to process existing frame as dropped. |
| auto stats_it = frame_stats_.find(frame_id); |
| RTC_DCHECK(stats_it != frame_stats_.end()); |
| |
| RTC_DCHECK(frame_id == state->frame_ids.front()); |
| state->frame_ids.pop_front(); |
| frame_counters_.dropped++; |
| stream_frame_counters_[stream_label].dropped++; |
| AddComparison(it->second, absl::nullopt, true, stats_it->second); |
| |
| captured_frames_in_flight_.erase(it); |
| frame_stats_.erase(stats_it); |
| } |
| captured_frames_in_flight_.insert( |
| std::pair<uint16_t, VideoFrame>(frame_id, frame)); |
| // Set frame id on local copy of the frame |
| captured_frames_in_flight_.at(frame_id).set_id(frame_id); |
| frame_stats_.insert(std::pair<uint16_t, FrameStats>( |
| frame_id, FrameStats(stream_label, /*captured_time=*/Now()))); |
| |
| // Update history stream<->frame mapping |
| for (auto it = stream_to_frame_id_history_.begin(); |
| it != stream_to_frame_id_history_.end(); ++it) { |
| it->second.erase(frame_id); |
| } |
| stream_to_frame_id_history_[stream_label].insert(frame_id); |
| } |
| return frame_id; |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFramePreEncode( |
| const webrtc::VideoFrame& frame) { |
| rtc::CritScope crit(&lock_); |
| auto it = frame_stats_.find(frame.id()); |
| RTC_DCHECK(it != frame_stats_.end()) |
| << "Frame id=" << frame.id() << " not found"; |
| frame_counters_.pre_encoded++; |
| stream_frame_counters_[it->second.stream_label].pre_encoded++; |
| it->second.pre_encode_time = Now(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFrameEncoded( |
| uint16_t frame_id, |
| const webrtc::EncodedImage& encoded_image) { |
| rtc::CritScope crit(&lock_); |
| auto it = frame_stats_.find(frame_id); |
| RTC_DCHECK(it != frame_stats_.end()); |
| // For SVC we can receive multiple encoded images for one frame, so to cover |
| // all cases we have to pick the last encode time. |
| if (it->second.encoded_time.IsInfinite()) { |
| // Increase counters only when we meet this frame first time. |
| frame_counters_.encoded++; |
| stream_frame_counters_[it->second.stream_label].encoded++; |
| } |
| it->second.encoded_time = Now(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFrameDropped( |
| webrtc::EncodedImageCallback::DropReason reason) { |
| // Here we do nothing, because we will see this drop on renderer side. |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFramePreDecode( |
| uint16_t frame_id, |
| const webrtc::EncodedImage& input_image) { |
| rtc::CritScope crit(&lock_); |
| auto it = frame_stats_.find(frame_id); |
| RTC_DCHECK(it != frame_stats_.end()); |
| RTC_DCHECK(it->second.received_time.IsInfinite()) |
| << "Received multiple spatial layers for stream_label=" |
| << it->second.stream_label; |
| frame_counters_.received++; |
| stream_frame_counters_[it->second.stream_label].received++; |
| it->second.decode_start_time = Now(); |
| // Determine the time of the last received packet of this video frame. |
| RTC_DCHECK(!input_image.PacketInfos().empty()); |
| int64_t last_receive_time = |
| std::max_element(input_image.PacketInfos().cbegin(), |
| input_image.PacketInfos().cend(), |
| [](const RtpPacketInfo& a, const RtpPacketInfo& b) { |
| return a.receive_time_ms() < b.receive_time_ms(); |
| }) |
| ->receive_time_ms(); |
| it->second.received_time = Timestamp::ms(last_receive_time); |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFrameDecoded( |
| const webrtc::VideoFrame& frame, |
| absl::optional<int32_t> decode_time_ms, |
| absl::optional<uint8_t> qp) { |
| rtc::CritScope crit(&lock_); |
| auto it = frame_stats_.find(frame.id()); |
| RTC_DCHECK(it != frame_stats_.end()); |
| frame_counters_.decoded++; |
| stream_frame_counters_[it->second.stream_label].decoded++; |
| it->second.decode_end_time = Now(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnFrameRendered( |
| const webrtc::VideoFrame& frame) { |
| rtc::CritScope crit(&lock_); |
| auto stats_it = frame_stats_.find(frame.id()); |
| RTC_DCHECK(stats_it != frame_stats_.end()); |
| FrameStats* frame_stats = &stats_it->second; |
| // Update frames counters. |
| frame_counters_.rendered++; |
| stream_frame_counters_[frame_stats->stream_label].rendered++; |
| |
| // Update current frame stats. |
| frame_stats->rendered_time = Now(); |
| frame_stats->rendered_frame_width = frame.width(); |
| frame_stats->rendered_frame_height = frame.height(); |
| |
| // Find corresponding captured frame. |
| auto frame_it = captured_frames_in_flight_.find(frame.id()); |
| RTC_DCHECK(frame_it != captured_frames_in_flight_.end()); |
| const VideoFrame& captured_frame = frame_it->second; |
| |
| // After we received frame here we need to check if there are any dropped |
| // frames between this one and last one, that was rendered for this video |
| // stream. |
| |
| const std::string& stream_label = frame_stats->stream_label; |
| StreamState* state = &stream_states_[stream_label]; |
| int dropped_count = 0; |
| while (!state->frame_ids.empty() && state->frame_ids.front() != frame.id()) { |
| dropped_count++; |
| uint16_t dropped_frame_id = state->frame_ids.front(); |
| state->frame_ids.pop_front(); |
| // Frame with id |dropped_frame_id| was dropped. We need: |
| // 1. Update global and stream frame counters |
| // 2. Extract corresponding frame from |captured_frames_in_flight_| |
| // 3. Extract corresponding frame stats from |frame_stats_| |
| // 4. Send extracted frame to comparison with dropped=true |
| // 5. Cleanup dropped frame |
| frame_counters_.dropped++; |
| stream_frame_counters_[stream_label].dropped++; |
| |
| auto dropped_frame_stats_it = frame_stats_.find(dropped_frame_id); |
| RTC_DCHECK(dropped_frame_stats_it != frame_stats_.end()); |
| auto dropped_frame_it = captured_frames_in_flight_.find(dropped_frame_id); |
| RTC_CHECK(dropped_frame_it != captured_frames_in_flight_.end()); |
| |
| AddComparison(dropped_frame_it->second, absl::nullopt, true, |
| dropped_frame_stats_it->second); |
| |
| frame_stats_.erase(dropped_frame_stats_it); |
| captured_frames_in_flight_.erase(dropped_frame_it); |
| } |
| RTC_DCHECK(!state->frame_ids.empty()); |
| state->frame_ids.pop_front(); |
| |
| if (state->last_rendered_frame_time) { |
| frame_stats->prev_frame_rendered_time = |
| state->last_rendered_frame_time.value(); |
| } |
| state->last_rendered_frame_time = frame_stats->rendered_time; |
| { |
| rtc::CritScope cr(&comparison_lock_); |
| stream_stats_[stream_label].skipped_between_rendered.AddSample( |
| dropped_count); |
| } |
| AddComparison(captured_frame, frame, false, *frame_stats); |
| |
| captured_frames_in_flight_.erase(frame_it); |
| frame_stats_.erase(stats_it); |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnEncoderError( |
| const webrtc::VideoFrame& frame, |
| int32_t error_code) { |
| RTC_LOG(LS_ERROR) << "Encoder error for frame.id=" << frame.id() |
| << ", code=" << error_code; |
| } |
| |
| void DefaultVideoQualityAnalyzer::OnDecoderError(uint16_t frame_id, |
| int32_t error_code) { |
| RTC_LOG(LS_ERROR) << "Decoder error for frame_id=" << frame_id |
| << ", code=" << error_code; |
| } |
| |
| void DefaultVideoQualityAnalyzer::Stop() { |
| { |
| rtc::CritScope crit(&lock_); |
| if (state_ == State::kStopped) { |
| return; |
| } |
| state_ = State::kStopped; |
| } |
| comparison_available_event_.Set(); |
| for (auto& thread : thread_pool_) { |
| thread->Stop(); |
| } |
| // PlatformThread have to be deleted on the same thread, where it was created |
| thread_pool_.clear(); |
| |
| // Perform final Metrics update. On this place analyzer is stopped and no one |
| // holds any locks. |
| { |
| // Time between freezes. |
| // Count time since the last freeze to the end of the call as time |
| // between freezes. |
| rtc::CritScope crit1(&lock_); |
| rtc::CritScope crit2(&comparison_lock_); |
| for (auto& item : stream_stats_) { |
| const StreamState& state = stream_states_[item.first]; |
| // If there are no freezes in the call we have to report |
| // time_between_freezes_ms as call duration and in such case |
| // |stream_last_freeze_end_time_| for this stream will be |start_time_|. |
| // If there is freeze, then we need add time from last rendered frame |
| // to last freeze end as time between freezes. |
| if (state.last_rendered_frame_time) { |
| item.second.time_between_freezes_ms.AddSample( |
| (state.last_rendered_frame_time.value() - |
| stream_last_freeze_end_time_.at(item.first)) |
| .ms()); |
| } |
| } |
| } |
| ReportResults(); |
| } |
| |
| std::string DefaultVideoQualityAnalyzer::GetStreamLabel(uint16_t frame_id) { |
| rtc::CritScope crit1(&lock_); |
| auto it = frame_stats_.find(frame_id); |
| if (it != frame_stats_.end()) { |
| return it->second.stream_label; |
| } |
| for (auto hist_it = stream_to_frame_id_history_.begin(); |
| hist_it != stream_to_frame_id_history_.end(); ++hist_it) { |
| auto hist_set_it = hist_it->second.find(frame_id); |
| if (hist_set_it != hist_it->second.end()) { |
| return hist_it->first; |
| } |
| } |
| RTC_CHECK(false) << "Unknown frame_id=" << frame_id; |
| } |
| |
| std::set<std::string> DefaultVideoQualityAnalyzer::GetKnownVideoStreams() |
| const { |
| rtc::CritScope crit2(&comparison_lock_); |
| std::set<std::string> out; |
| for (auto& item : stream_stats_) { |
| out.insert(item.first); |
| } |
| return out; |
| } |
| |
| const FrameCounters& DefaultVideoQualityAnalyzer::GetGlobalCounters() { |
| rtc::CritScope crit(&lock_); |
| return frame_counters_; |
| } |
| |
| const std::map<std::string, FrameCounters>& |
| DefaultVideoQualityAnalyzer::GetPerStreamCounters() const { |
| rtc::CritScope crit(&lock_); |
| return stream_frame_counters_; |
| } |
| |
| std::map<std::string, StreamStats> DefaultVideoQualityAnalyzer::GetStats() |
| const { |
| rtc::CritScope cri(&comparison_lock_); |
| return stream_stats_; |
| } |
| |
| AnalyzerStats DefaultVideoQualityAnalyzer::GetAnalyzerStats() const { |
| rtc::CritScope crit(&comparison_lock_); |
| return analyzer_stats_; |
| } |
| |
| // TODO(bugs.webrtc.org/10430): Migrate to the new GetStats as soon as |
| // bugs.webrtc.org/10428 is fixed. |
| void DefaultVideoQualityAnalyzer::OnStatsReports( |
| const std::string& pc_label, |
| const StatsReports& stats_reports) { |
| for (const StatsReport* stats_report : stats_reports) { |
| // The only stats collected by this analyzer are present in |
| // kStatsReportTypeBwe reports, so all other reports are just ignored. |
| if (stats_report->type() != StatsReport::StatsType::kStatsReportTypeBwe) { |
| continue; |
| } |
| const webrtc::StatsReport::Value* available_send_bandwidth = |
| stats_report->FindValue( |
| StatsReport::StatsValueName::kStatsValueNameAvailableSendBandwidth); |
| const webrtc::StatsReport::Value* retransmission_bitrate = |
| stats_report->FindValue( |
| StatsReport::StatsValueName::kStatsValueNameRetransmitBitrate); |
| const webrtc::StatsReport::Value* transmission_bitrate = |
| stats_report->FindValue( |
| StatsReport::StatsValueName::kStatsValueNameTransmitBitrate); |
| const webrtc::StatsReport::Value* actual_encode_bitrate = |
| stats_report->FindValue( |
| StatsReport::StatsValueName::kStatsValueNameActualEncBitrate); |
| const webrtc::StatsReport::Value* target_encode_bitrate = |
| stats_report->FindValue( |
| StatsReport::StatsValueName::kStatsValueNameTargetEncBitrate); |
| RTC_CHECK(available_send_bandwidth); |
| RTC_CHECK(retransmission_bitrate); |
| RTC_CHECK(transmission_bitrate); |
| RTC_CHECK(actual_encode_bitrate); |
| RTC_CHECK(target_encode_bitrate); |
| |
| rtc::CritScope crit(&video_bwe_stats_lock_); |
| VideoBweStats& video_bwe_stats = video_bwe_stats_[pc_label]; |
| video_bwe_stats.available_send_bandwidth.AddSample( |
| available_send_bandwidth->int_val()); |
| video_bwe_stats.transmission_bitrate.AddSample( |
| transmission_bitrate->int_val()); |
| video_bwe_stats.retransmission_bitrate.AddSample( |
| retransmission_bitrate->int_val()); |
| video_bwe_stats.actual_encode_bitrate.AddSample( |
| actual_encode_bitrate->int_val()); |
| video_bwe_stats.target_encode_bitrate.AddSample( |
| target_encode_bitrate->int_val()); |
| } |
| } |
| |
| std::map<std::string, VideoBweStats> |
| DefaultVideoQualityAnalyzer::GetVideoBweStats() const { |
| rtc::CritScope crit(&video_bwe_stats_lock_); |
| return video_bwe_stats_; |
| } |
| |
| void DefaultVideoQualityAnalyzer::AddComparison( |
| absl::optional<VideoFrame> captured, |
| absl::optional<VideoFrame> rendered, |
| bool dropped, |
| FrameStats frame_stats) { |
| rtc::CritScope crit(&comparison_lock_); |
| analyzer_stats_.comparisons_queue_size.AddSample(comparisons_.size()); |
| // If there too many computations waiting in the queue, we won't provide |
| // frames itself to make future computations lighter. |
| if (comparisons_.size() >= kMaxActiveComparisons) { |
| comparisons_.emplace_back(dropped, frame_stats); |
| } else { |
| comparisons_.emplace_back(std::move(captured), std::move(rendered), dropped, |
| frame_stats); |
| } |
| comparison_available_event_.Set(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::ProcessComparisonsThread(void* obj) { |
| static_cast<DefaultVideoQualityAnalyzer*>(obj)->ProcessComparisons(); |
| } |
| |
| void DefaultVideoQualityAnalyzer::ProcessComparisons() { |
| while (true) { |
| // Try to pick next comparison to perform from the queue. |
| absl::optional<FrameComparison> comparison = absl::nullopt; |
| { |
| rtc::CritScope crit(&comparison_lock_); |
| if (!comparisons_.empty()) { |
| comparison = comparisons_.front(); |
| comparisons_.pop_front(); |
| if (!comparisons_.empty()) { |
| comparison_available_event_.Set(); |
| } |
| } |
| } |
| if (!comparison) { |
| bool more_frames_expected; |
| { |
| // If there are no comparisons and state is stopped => |
| // no more frames expected. |
| rtc::CritScope crit(&lock_); |
| more_frames_expected = state_ != State::kStopped; |
| } |
| if (!more_frames_expected) { |
| comparison_available_event_.Set(); |
| return; |
| } |
| comparison_available_event_.Wait(1000); |
| continue; |
| } |
| |
| ProcessComparison(comparison.value()); |
| } |
| } |
| |
| void DefaultVideoQualityAnalyzer::ProcessComparison( |
| const FrameComparison& comparison) { |
| // Perform expensive psnr and ssim calculations while not holding lock. |
| double psnr = -1.0; |
| double ssim = -1.0; |
| if (heavy_metrics_computation_enabled_ && comparison.captured && |
| !comparison.dropped) { |
| psnr = I420PSNR(&*comparison.captured, &*comparison.rendered); |
| ssim = I420SSIM(&*comparison.captured, &*comparison.rendered); |
| } |
| |
| const FrameStats& frame_stats = comparison.frame_stats; |
| |
| rtc::CritScope crit(&comparison_lock_); |
| auto stats_it = stream_stats_.find(frame_stats.stream_label); |
| RTC_CHECK(stats_it != stream_stats_.end()); |
| StreamStats* stats = &stats_it->second; |
| analyzer_stats_.comparisons_done++; |
| if (!comparison.captured) { |
| analyzer_stats_.overloaded_comparisons_done++; |
| } |
| if (psnr > 0) { |
| stats->psnr.AddSample(psnr); |
| } |
| if (ssim > 0) { |
| stats->ssim.AddSample(ssim); |
| } |
| if (frame_stats.encoded_time.IsFinite()) { |
| stats->encode_time_ms.AddSample( |
| (frame_stats.encoded_time - frame_stats.pre_encode_time).ms()); |
| stats->encode_frame_rate.AddEvent(frame_stats.encoded_time); |
| } else { |
| if (frame_stats.pre_encode_time.IsFinite()) { |
| stats->dropped_by_encoder++; |
| } else { |
| stats->dropped_before_encoder++; |
| } |
| } |
| // Next stats can be calculated only if frame was received on remote side. |
| if (!comparison.dropped) { |
| stats->resolution_of_rendered_frame.AddSample( |
| *comparison.frame_stats.rendered_frame_width * |
| *comparison.frame_stats.rendered_frame_height); |
| stats->transport_time_ms.AddSample( |
| (frame_stats.decode_start_time - frame_stats.encoded_time).ms()); |
| stats->total_delay_incl_transport_ms.AddSample( |
| (frame_stats.rendered_time - frame_stats.captured_time).ms()); |
| stats->decode_time_ms.AddSample( |
| (frame_stats.decode_end_time - frame_stats.decode_start_time).ms()); |
| stats->receive_to_render_time_ms.AddSample( |
| (frame_stats.rendered_time - frame_stats.received_time).ms()); |
| |
| if (frame_stats.prev_frame_rendered_time.IsFinite()) { |
| TimeDelta time_between_rendered_frames = |
| frame_stats.rendered_time - frame_stats.prev_frame_rendered_time; |
| stats->time_between_rendered_frames_ms.AddSample( |
| time_between_rendered_frames.ms()); |
| double average_time_between_rendered_frames_ms = |
| stats->time_between_rendered_frames_ms.GetAverage(); |
| if (time_between_rendered_frames.ms() > |
| std::max(kFreezeThresholdMs + average_time_between_rendered_frames_ms, |
| 3 * average_time_between_rendered_frames_ms)) { |
| stats->freeze_time_ms.AddSample(time_between_rendered_frames.ms()); |
| auto freeze_end_it = |
| stream_last_freeze_end_time_.find(frame_stats.stream_label); |
| RTC_DCHECK(freeze_end_it != stream_last_freeze_end_time_.end()); |
| stats->time_between_freezes_ms.AddSample( |
| (frame_stats.prev_frame_rendered_time - freeze_end_it->second) |
| .ms()); |
| freeze_end_it->second = frame_stats.rendered_time; |
| } |
| } |
| } |
| } |
| |
| void DefaultVideoQualityAnalyzer::ReportResults() { |
| rtc::CritScope crit1(&lock_); |
| rtc::CritScope crit2(&comparison_lock_); |
| for (auto& item : stream_stats_) { |
| ReportResults(GetTestCaseName(item.first), item.second, |
| stream_frame_counters_.at(item.first)); |
| } |
| { |
| rtc::CritScope video_bwe_crit(&video_bwe_stats_lock_); |
| for (const auto& item : video_bwe_stats_) { |
| ReportVideoBweResults(GetTestCaseName(item.first), item.second); |
| } |
| } |
| LogFrameCounters("Global", frame_counters_); |
| for (auto& item : stream_stats_) { |
| LogFrameCounters(item.first, stream_frame_counters_.at(item.first)); |
| LogStreamInternalStats(item.first, item.second); |
| } |
| if (!analyzer_stats_.comparisons_queue_size.IsEmpty()) { |
| RTC_LOG(INFO) << "comparisons_queue_size min=" |
| << analyzer_stats_.comparisons_queue_size.GetMin() |
| << "; max=" << analyzer_stats_.comparisons_queue_size.GetMax() |
| << "; 99%=" |
| << analyzer_stats_.comparisons_queue_size.GetPercentile(0.99); |
| } |
| RTC_LOG(INFO) << "comparisons_done=" << analyzer_stats_.comparisons_done; |
| RTC_LOG(INFO) << "overloaded_comparisons_done=" |
| << analyzer_stats_.overloaded_comparisons_done; |
| } |
| |
| void DefaultVideoQualityAnalyzer::ReportVideoBweResults( |
| const std::string& test_case_name, |
| const VideoBweStats& video_bwe_stats) { |
| ReportResult("available_send_bandwidth", test_case_name, |
| video_bwe_stats.available_send_bandwidth / kBitsInByte, |
| "bytesPerSecond"); |
| ReportResult("transmission_bitrate", test_case_name, |
| video_bwe_stats.transmission_bitrate / kBitsInByte, |
| "bytesPerSecond"); |
| ReportResult("retransmission_bitrate", test_case_name, |
| video_bwe_stats.retransmission_bitrate / kBitsInByte, |
| "bytesPerSecond"); |
| ReportResult("actual_encode_bitrate", test_case_name, |
| video_bwe_stats.actual_encode_bitrate / kBitsInByte, |
| "bytesPerSecond"); |
| ReportResult("target_encode_bitrate", test_case_name, |
| video_bwe_stats.target_encode_bitrate / kBitsInByte, |
| "bytesPerSecond"); |
| } |
| |
| void DefaultVideoQualityAnalyzer::ReportResults( |
| const std::string& test_case_name, |
| const StreamStats& stats, |
| const FrameCounters& frame_counters) { |
| using ::webrtc::test::ImproveDirection; |
| |
| ReportResult("psnr", test_case_name, stats.psnr, "dB", |
| ImproveDirection::kBiggerIsBetter); |
| ReportResult("ssim", test_case_name, stats.ssim, "unitless", |
| ImproveDirection::kBiggerIsBetter); |
| ReportResult("transport_time", test_case_name, stats.transport_time_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| ReportResult("total_delay_incl_transport", test_case_name, |
| stats.total_delay_incl_transport_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| ReportResult("time_between_rendered_frames", test_case_name, |
| stats.time_between_rendered_frames_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| test::PrintResult("encode_frame_rate", "", test_case_name, |
| stats.encode_frame_rate.IsEmpty() |
| ? 0 |
| : stats.encode_frame_rate.GetEventsPerSecond(), |
| "fps", /*important=*/false, |
| ImproveDirection::kBiggerIsBetter); |
| ReportResult("encode_time", test_case_name, stats.encode_time_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| ReportResult("time_between_freezes", test_case_name, |
| stats.time_between_freezes_ms, "ms", |
| ImproveDirection::kBiggerIsBetter); |
| ReportResult("freeze_time_ms", test_case_name, stats.freeze_time_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| ReportResult("pixels_per_frame", test_case_name, |
| stats.resolution_of_rendered_frame, "count", |
| ImproveDirection::kBiggerIsBetter); |
| test::PrintResult("min_psnr", "", test_case_name, |
| stats.psnr.IsEmpty() ? 0 : stats.psnr.GetMin(), "dB", |
| /*important=*/false, ImproveDirection::kBiggerIsBetter); |
| ReportResult("decode_time", test_case_name, stats.decode_time_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| ReportResult("receive_to_render_time", test_case_name, |
| stats.receive_to_render_time_ms, "ms", |
| ImproveDirection::kSmallerIsBetter); |
| test::PrintResult("dropped_frames", "", test_case_name, |
| frame_counters.dropped, "count", |
| /*important=*/false, ImproveDirection::kSmallerIsBetter); |
| test::PrintResult("frames_in_flight", "", test_case_name, |
| frame_counters.captured - frame_counters.rendered - |
| frame_counters.dropped, |
| "count", |
| /*important=*/false, ImproveDirection::kSmallerIsBetter); |
| ReportResult("max_skipped", test_case_name, stats.skipped_between_rendered, |
| "count", ImproveDirection::kSmallerIsBetter); |
| } |
| |
| void DefaultVideoQualityAnalyzer::ReportResult( |
| const std::string& metric_name, |
| const std::string& test_case_name, |
| const SamplesStatsCounter& counter, |
| const std::string& unit, |
| webrtc::test::ImproveDirection improve_direction) { |
| test::PrintResult(metric_name, /*modifier=*/"", test_case_name, counter, unit, |
| /*important=*/false, improve_direction); |
| } |
| |
| std::string DefaultVideoQualityAnalyzer::GetTestCaseName( |
| const std::string& stream_label) const { |
| return test_label_ + "/" + stream_label; |
| } |
| |
| Timestamp DefaultVideoQualityAnalyzer::Now() { |
| return clock_->CurrentTime(); |
| } |
| |
| DefaultVideoQualityAnalyzer::FrameStats::FrameStats(std::string stream_label, |
| Timestamp captured_time) |
| : stream_label(std::move(stream_label)), captured_time(captured_time) {} |
| |
| DefaultVideoQualityAnalyzer::FrameComparison::FrameComparison( |
| absl::optional<VideoFrame> captured, |
| absl::optional<VideoFrame> rendered, |
| bool dropped, |
| FrameStats frame_stats) |
| : captured(std::move(captured)), |
| rendered(std::move(rendered)), |
| dropped(dropped), |
| frame_stats(std::move(frame_stats)) {} |
| |
| DefaultVideoQualityAnalyzer::FrameComparison::FrameComparison( |
| bool dropped, |
| FrameStats frame_stats) |
| : captured(absl::nullopt), |
| rendered(absl::nullopt), |
| dropped(dropped), |
| frame_stats(std::move(frame_stats)) {} |
| |
| } // namespace webrtc_pc_e2e |
| } // namespace webrtc |
