| /* |
| * Copyright (c) 2021 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_frames_comparator.h" |
| |
| #include <map> |
| #include <vector> |
| |
| #include "api/test/create_frame_generator.h" |
| #include "api/units/timestamp.h" |
| #include "rtc_base/strings/string_builder.h" |
| #include "system_wrappers/include/clock.h" |
| #include "system_wrappers/include/sleep.h" |
| #include "test/gtest.h" |
| #include "test/pc/e2e/analyzer/video/default_video_quality_analyzer_cpu_measurer.h" |
| #include "test/pc/e2e/analyzer/video/default_video_quality_analyzer_shared_objects.h" |
| |
| namespace webrtc { |
| namespace { |
| |
| using StatsSample = ::webrtc::SamplesStatsCounter::StatsSample; |
| |
| constexpr int kMaxFramesInFlightPerStream = 10; |
| |
| DefaultVideoQualityAnalyzerOptions AnalyzerOptionsForTest() { |
| DefaultVideoQualityAnalyzerOptions options; |
| options.heavy_metrics_computation_enabled = false; |
| options.adjust_cropping_before_comparing_frames = false; |
| options.max_frames_in_flight_per_stream_count = kMaxFramesInFlightPerStream; |
| return options; |
| } |
| |
| StreamCodecInfo Vp8CodecForOneFrame(uint16_t frame_id, Timestamp time) { |
| StreamCodecInfo info; |
| info.codec_name = "VP8"; |
| info.first_frame_id = frame_id; |
| info.last_frame_id = frame_id; |
| info.switched_on_at = time; |
| info.switched_from_at = time; |
| return info; |
| } |
| |
| FrameStats FrameStatsWith10msDeltaBetweenPhasesAnd10x10Frame( |
| Timestamp captured_time) { |
| FrameStats frame_stats(captured_time); |
| frame_stats.pre_encode_time = captured_time + TimeDelta::Millis(10); |
| frame_stats.encoded_time = captured_time + TimeDelta::Millis(20); |
| frame_stats.received_time = captured_time + TimeDelta::Millis(30); |
| frame_stats.decode_start_time = captured_time + TimeDelta::Millis(40); |
| frame_stats.decode_end_time = captured_time + TimeDelta::Millis(50); |
| frame_stats.rendered_time = captured_time + TimeDelta::Millis(60); |
| frame_stats.used_encoder = Vp8CodecForOneFrame(1, frame_stats.encoded_time); |
| frame_stats.used_decoder = |
| Vp8CodecForOneFrame(1, frame_stats.decode_end_time); |
| frame_stats.rendered_frame_width = 10; |
| frame_stats.rendered_frame_height = 10; |
| return frame_stats; |
| } |
| |
| FrameStats ShiftStatsOn(const FrameStats& stats, TimeDelta delta) { |
| FrameStats frame_stats(stats.captured_time + delta); |
| frame_stats.pre_encode_time = stats.pre_encode_time + delta; |
| frame_stats.encoded_time = stats.encoded_time + delta; |
| frame_stats.received_time = stats.received_time + delta; |
| frame_stats.decode_start_time = stats.decode_start_time + delta; |
| frame_stats.decode_end_time = stats.decode_end_time + delta; |
| frame_stats.rendered_time = stats.rendered_time + delta; |
| |
| frame_stats.used_encoder = stats.used_encoder; |
| frame_stats.used_decoder = stats.used_decoder; |
| frame_stats.rendered_frame_width = stats.rendered_frame_width; |
| frame_stats.rendered_frame_height = stats.rendered_frame_height; |
| |
| return frame_stats; |
| } |
| |
| double GetFirstOrDie(const SamplesStatsCounter& counter) { |
| EXPECT_TRUE(!counter.IsEmpty()) << "Counter has to be not empty"; |
| return counter.GetSamples()[0]; |
| } |
| |
| std::string ToString(const SamplesStatsCounter& counter) { |
| rtc::StringBuilder out; |
| for (const StatsSample& s : counter.GetTimedSamples()) { |
| out << "{ time_ms=" << s.time.ms() << "; value=" << s.value << "}, "; |
| } |
| return out.str(); |
| } |
| |
| TEST(DefaultVideoQualityAnalyzerFramesComparatorTest, |
| StatsPresentedAfterAddingOneComparison) { |
| DefaultVideoQualityAnalyzerCpuMeasurer cpu_measurer; |
| DefaultVideoQualityAnalyzerFramesComparator comparator( |
| Clock::GetRealTimeClock(), cpu_measurer, AnalyzerOptionsForTest()); |
| |
| Timestamp stream_start_time = Clock::GetRealTimeClock()->CurrentTime(); |
| size_t stream = 0; |
| size_t sender = 0; |
| size_t receiver = 1; |
| size_t peers_count = 2; |
| InternalStatsKey stats_key(stream, sender, receiver); |
| |
| FrameStats frame_stats = |
| FrameStatsWith10msDeltaBetweenPhasesAnd10x10Frame(stream_start_time); |
| |
| comparator.Start(1); |
| comparator.EnsureStatsForStream(stream, sender, peers_count, |
| stream_start_time, stream_start_time); |
| comparator.AddComparison(stats_key, |
| /*captured=*/absl::nullopt, |
| /*rendered=*/absl::nullopt, |
| FrameComparisonType::kRegular, frame_stats); |
| comparator.Stop(/*last_rendered_frame_times=*/{}); |
| |
| std::map<InternalStatsKey, StreamStats> stats = comparator.stream_stats(); |
| EXPECT_DOUBLE_EQ(GetFirstOrDie(stats.at(stats_key).transport_time_ms), 20.0); |
| EXPECT_DOUBLE_EQ( |
| GetFirstOrDie(stats.at(stats_key).total_delay_incl_transport_ms), 60.0); |
| EXPECT_DOUBLE_EQ(GetFirstOrDie(stats.at(stats_key).encode_time_ms), 10.0); |
| EXPECT_DOUBLE_EQ(GetFirstOrDie(stats.at(stats_key).decode_time_ms), 10.0); |
| EXPECT_DOUBLE_EQ(GetFirstOrDie(stats.at(stats_key).receive_to_render_time_ms), |
| 30.0); |
| EXPECT_DOUBLE_EQ( |
| GetFirstOrDie(stats.at(stats_key).resolution_of_rendered_frame), 100.0); |
| } |
| |
| TEST(DefaultVideoQualityAnalyzerFramesComparatorTest, |
| MultiFrameStatsPresentedAfterAddingTwoComparisonWith10msDelay) { |
| DefaultVideoQualityAnalyzerCpuMeasurer cpu_measurer; |
| DefaultVideoQualityAnalyzerFramesComparator comparator( |
| Clock::GetRealTimeClock(), cpu_measurer, AnalyzerOptionsForTest()); |
| |
| Timestamp stream_start_time = Clock::GetRealTimeClock()->CurrentTime(); |
| size_t stream = 0; |
| size_t sender = 0; |
| size_t receiver = 1; |
| size_t peers_count = 2; |
| InternalStatsKey stats_key(stream, sender, receiver); |
| |
| FrameStats frame_stats1 = |
| FrameStatsWith10msDeltaBetweenPhasesAnd10x10Frame(stream_start_time); |
| FrameStats frame_stats2 = FrameStatsWith10msDeltaBetweenPhasesAnd10x10Frame( |
| stream_start_time + TimeDelta::Millis(15)); |
| frame_stats2.prev_frame_rendered_time = frame_stats1.rendered_time; |
| |
| comparator.Start(1); |
| comparator.EnsureStatsForStream(stream, sender, peers_count, |
| stream_start_time, stream_start_time); |
| comparator.AddComparison(stats_key, |
| /*captured=*/absl::nullopt, |
| /*rendered=*/absl::nullopt, |
| FrameComparisonType::kRegular, frame_stats1); |
| comparator.AddComparison(stats_key, |
| /*captured=*/absl::nullopt, |
| /*rendered=*/absl::nullopt, |
| FrameComparisonType::kRegular, frame_stats2); |
| comparator.Stop(/*last_rendered_frame_times=*/{}); |
| |
| std::map<InternalStatsKey, StreamStats> stats = comparator.stream_stats(); |
| EXPECT_DOUBLE_EQ( |
| GetFirstOrDie(stats.at(stats_key).time_between_rendered_frames_ms), 15.0); |
| EXPECT_DOUBLE_EQ(stats.at(stats_key).encode_frame_rate.GetEventsPerSecond(), |
| 2.0 / 15 * 1000) |
| << "There should be 2 events with interval of 15 ms"; |
| ; |
| } |
| |
| TEST(DefaultVideoQualityAnalyzerFramesComparatorTest, |
| FrameInFlightStatsAreHandledCorrectly) { |
| DefaultVideoQualityAnalyzerCpuMeasurer cpu_measurer; |
| DefaultVideoQualityAnalyzerFramesComparator comparator( |
| Clock::GetRealTimeClock(), cpu_measurer, AnalyzerOptionsForTest()); |
| |
| Timestamp stream_start_time = Clock::GetRealTimeClock()->CurrentTime(); |
| size_t stream = 0; |
| size_t sender = 0; |
| size_t receiver = 1; |
| size_t peers_count = 2; |
| InternalStatsKey stats_key(stream, sender, receiver); |
| |
| // There are 7 different timings inside frame stats: captured, pre_encode, |
| // encoded, received, decode_start, decode_end, rendered. captured is always |
| // set and received is set together with decode_start. So we create 6 |
| // different frame stats with interval of 15 ms, where for each stat next |
| // timings will be set |
| // * 1st - captured |
| // * 2nd - captured, pre_encode |
| // * 3rd - captured, pre_encode, encoded |
| // * 4th - captured, pre_encode, encoded, received, decode_start |
| // * 5th - captured, pre_encode, encoded, received, decode_start, decode_end |
| // * 6th - all of them set |
| std::vector<FrameStats> stats; |
| // 1st stat |
| FrameStats frame_stats(stream_start_time); |
| stats.push_back(frame_stats); |
| // 2nd stat |
| frame_stats = ShiftStatsOn(frame_stats, TimeDelta::Millis(15)); |
| frame_stats.pre_encode_time = |
| frame_stats.captured_time + TimeDelta::Millis(10); |
| stats.push_back(frame_stats); |
| // 3rd stat |
| frame_stats = ShiftStatsOn(frame_stats, TimeDelta::Millis(15)); |
| frame_stats.encoded_time = frame_stats.captured_time + TimeDelta::Millis(20); |
| frame_stats.used_encoder = Vp8CodecForOneFrame(1, frame_stats.encoded_time); |
| stats.push_back(frame_stats); |
| // 4th stat |
| frame_stats = ShiftStatsOn(frame_stats, TimeDelta::Millis(15)); |
| frame_stats.received_time = frame_stats.captured_time + TimeDelta::Millis(30); |
| frame_stats.decode_start_time = |
| frame_stats.captured_time + TimeDelta::Millis(40); |
| stats.push_back(frame_stats); |
| // 5th stat |
| frame_stats = ShiftStatsOn(frame_stats, TimeDelta::Millis(15)); |
| frame_stats.decode_end_time = |
| frame_stats.captured_time + TimeDelta::Millis(50); |
| frame_stats.used_decoder = |
| Vp8CodecForOneFrame(1, frame_stats.decode_end_time); |
| stats.push_back(frame_stats); |
| // 6th stat |
| frame_stats = ShiftStatsOn(frame_stats, TimeDelta::Millis(15)); |
| frame_stats.rendered_time = frame_stats.captured_time + TimeDelta::Millis(60); |
| frame_stats.rendered_frame_width = 10; |
| frame_stats.rendered_frame_height = 10; |
| stats.push_back(frame_stats); |
| |
| comparator.Start(1); |
| comparator.EnsureStatsForStream(stream, sender, peers_count, |
| stream_start_time, stream_start_time); |
| for (size_t i = 0; i < stats.size() - 1; ++i) { |
| comparator.AddComparison(stats_key, |
| /*captured=*/absl::nullopt, |
| /*rendered=*/absl::nullopt, |
| FrameComparisonType::kFrameInFlight, stats[i]); |
| } |
| comparator.AddComparison(stats_key, |
| /*captured=*/absl::nullopt, |
| /*rendered=*/absl::nullopt, |
| FrameComparisonType::kRegular, |
| stats[stats.size() - 1]); |
| comparator.Stop(/*last_rendered_frame_times=*/{}); |
| |
| EXPECT_EQ(comparator.stream_stats().size(), 1lu); |
| StreamStats result_stats = comparator.stream_stats().at(stats_key); |
| |
| EXPECT_DOUBLE_EQ(result_stats.transport_time_ms.GetAverage(), 20.0) |
| << ToString(result_stats.transport_time_ms); |
| EXPECT_EQ(result_stats.transport_time_ms.NumSamples(), 3); |
| |
| EXPECT_DOUBLE_EQ(result_stats.total_delay_incl_transport_ms.GetAverage(), |
| 60.0) |
| << ToString(result_stats.total_delay_incl_transport_ms); |
| EXPECT_EQ(result_stats.total_delay_incl_transport_ms.NumSamples(), 1); |
| |
| EXPECT_DOUBLE_EQ(result_stats.encode_time_ms.GetAverage(), 10) |
| << ToString(result_stats.encode_time_ms); |
| EXPECT_EQ(result_stats.encode_time_ms.NumSamples(), 4); |
| |
| EXPECT_DOUBLE_EQ(result_stats.decode_time_ms.GetAverage(), 10) |
| << ToString(result_stats.decode_time_ms); |
| EXPECT_EQ(result_stats.decode_time_ms.NumSamples(), 2); |
| |
| EXPECT_DOUBLE_EQ(result_stats.receive_to_render_time_ms.GetAverage(), 30) |
| << ToString(result_stats.receive_to_render_time_ms); |
| EXPECT_EQ(result_stats.receive_to_render_time_ms.NumSamples(), 1); |
| |
| EXPECT_DOUBLE_EQ(result_stats.resolution_of_rendered_frame.GetAverage(), 100) |
| << ToString(result_stats.resolution_of_rendered_frame); |
| EXPECT_EQ(result_stats.resolution_of_rendered_frame.NumSamples(), 1); |
| |
| EXPECT_DOUBLE_EQ(result_stats.encode_frame_rate.GetEventsPerSecond(), |
| 4.0 / 45 * 1000) |
| << "There should be 4 events with interval of 15 ms"; |
| } |
| |
| } // namespace |
| } // namespace webrtc |