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send_statistics_proxy_unittest.cc
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/*
* Copyright (c) 2013 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 "video/send_statistics_proxy.h"
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "system_wrappers/include/metrics.h"
#include "system_wrappers/include/metrics_default.h"
#include "test/field_trial.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
const uint32_t kFirstSsrc = 17;
const uint32_t kSecondSsrc = 42;
const uint32_t kFirstRtxSsrc = 18;
const uint32_t kSecondRtxSsrc = 43;
const uint32_t kFlexFecSsrc = 55;
const int kFpsPeriodicIntervalMs = 2000;
const int kWidth = 640;
const int kHeight = 480;
const int kQpIdx0 = 21;
const int kQpIdx1 = 39;
const int kRtpClockRateHz = 90000;
const CodecSpecificInfo kDefaultCodecInfo = []() {
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
codec_info.codecSpecific.VP8.simulcastIdx = 0;
return codec_info;
}();
} // namespace
class SendStatisticsProxyTest : public ::testing::Test {
public:
SendStatisticsProxyTest() : SendStatisticsProxyTest("") {}
explicit SendStatisticsProxyTest(const std::string& field_trials)
: override_field_trials_(field_trials),
fake_clock_(1234),
config_(GetTestConfig()),
avg_delay_ms_(0),
max_delay_ms_(0) {}
virtual ~SendStatisticsProxyTest() {}
protected:
virtual void SetUp() {
metrics::Reset();
statistics_proxy_.reset(new SendStatisticsProxy(
&fake_clock_, GetTestConfig(),
VideoEncoderConfig::ContentType::kRealtimeVideo));
expected_ = VideoSendStream::Stats();
for (const auto& ssrc : config_.rtp.ssrcs)
expected_.substreams[ssrc].is_rtx = false;
for (const auto& ssrc : config_.rtp.rtx.ssrcs)
expected_.substreams[ssrc].is_rtx = true;
}
VideoSendStream::Config GetTestConfig() {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc);
config.rtp.ssrcs.push_back(kSecondSsrc);
config.rtp.rtx.ssrcs.push_back(kFirstRtxSsrc);
config.rtp.rtx.ssrcs.push_back(kSecondRtxSsrc);
config.rtp.ulpfec.red_payload_type = 17;
return config;
}
VideoSendStream::Config GetTestConfigWithFlexFec() {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc);
config.rtp.ssrcs.push_back(kSecondSsrc);
config.rtp.rtx.ssrcs.push_back(kFirstRtxSsrc);
config.rtp.rtx.ssrcs.push_back(kSecondRtxSsrc);
config.rtp.flexfec.payload_type = 50;
config.rtp.flexfec.ssrc = kFlexFecSsrc;
return config;
}
VideoSendStream::StreamStats GetStreamStats(uint32_t ssrc) {
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
std::map<uint32_t, VideoSendStream::StreamStats>::iterator it =
stats.substreams.find(ssrc);
EXPECT_NE(it, stats.substreams.end());
return it->second;
}
void UpdateDataCounters(uint32_t ssrc) {
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
proxy->DataCountersUpdated(counters, ssrc);
}
void ExpectEqual(VideoSendStream::Stats one, VideoSendStream::Stats other) {
EXPECT_EQ(one.input_frame_rate, other.input_frame_rate);
EXPECT_EQ(one.encode_frame_rate, other.encode_frame_rate);
EXPECT_EQ(one.media_bitrate_bps, other.media_bitrate_bps);
EXPECT_EQ(one.suspended, other.suspended);
EXPECT_EQ(one.substreams.size(), other.substreams.size());
for (std::map<uint32_t, VideoSendStream::StreamStats>::const_iterator it =
one.substreams.begin();
it != one.substreams.end(); ++it) {
std::map<uint32_t, VideoSendStream::StreamStats>::const_iterator
corresponding_it = other.substreams.find(it->first);
ASSERT_TRUE(corresponding_it != other.substreams.end());
const VideoSendStream::StreamStats& a = it->second;
const VideoSendStream::StreamStats& b = corresponding_it->second;
EXPECT_EQ(a.is_rtx, b.is_rtx);
EXPECT_EQ(a.frame_counts.key_frames, b.frame_counts.key_frames);
EXPECT_EQ(a.frame_counts.delta_frames, b.frame_counts.delta_frames);
EXPECT_EQ(a.total_bitrate_bps, b.total_bitrate_bps);
EXPECT_EQ(a.avg_delay_ms, b.avg_delay_ms);
EXPECT_EQ(a.max_delay_ms, b.max_delay_ms);
EXPECT_EQ(a.rtp_stats.transmitted.payload_bytes,
b.rtp_stats.transmitted.payload_bytes);
EXPECT_EQ(a.rtp_stats.transmitted.header_bytes,
b.rtp_stats.transmitted.header_bytes);
EXPECT_EQ(a.rtp_stats.transmitted.padding_bytes,
b.rtp_stats.transmitted.padding_bytes);
EXPECT_EQ(a.rtp_stats.transmitted.packets,
b.rtp_stats.transmitted.packets);
EXPECT_EQ(a.rtp_stats.retransmitted.packets,
b.rtp_stats.retransmitted.packets);
EXPECT_EQ(a.rtp_stats.fec.packets, b.rtp_stats.fec.packets);
EXPECT_EQ(a.rtcp_stats.fraction_lost, b.rtcp_stats.fraction_lost);
EXPECT_EQ(a.rtcp_stats.packets_lost, b.rtcp_stats.packets_lost);
EXPECT_EQ(a.rtcp_stats.extended_highest_sequence_number,
b.rtcp_stats.extended_highest_sequence_number);
EXPECT_EQ(a.rtcp_stats.jitter, b.rtcp_stats.jitter);
}
}
test::ScopedFieldTrials override_field_trials_;
SimulatedClock fake_clock_;
std::unique_ptr<SendStatisticsProxy> statistics_proxy_;
VideoSendStream::Config config_;
int avg_delay_ms_;
int max_delay_ms_;
VideoSendStream::Stats expected_;
typedef std::map<uint32_t, VideoSendStream::StreamStats>::const_iterator
StreamIterator;
};
TEST_F(SendStatisticsProxyTest, RtcpStatistics) {
RtcpStatisticsCallback* callback = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
VideoSendStream::StreamStats& ssrc_stats = expected_.substreams[ssrc];
// Add statistics with some arbitrary, but unique, numbers.
uint32_t offset = ssrc * sizeof(RtcpStatistics);
ssrc_stats.rtcp_stats.packets_lost = offset;
ssrc_stats.rtcp_stats.extended_highest_sequence_number = offset + 1;
ssrc_stats.rtcp_stats.fraction_lost = offset + 2;
ssrc_stats.rtcp_stats.jitter = offset + 3;
callback->StatisticsUpdated(ssrc_stats.rtcp_stats, ssrc);
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
VideoSendStream::StreamStats& ssrc_stats = expected_.substreams[ssrc];
// Add statistics with some arbitrary, but unique, numbers.
uint32_t offset = ssrc * sizeof(RtcpStatistics);
ssrc_stats.rtcp_stats.packets_lost = offset;
ssrc_stats.rtcp_stats.extended_highest_sequence_number = offset + 1;
ssrc_stats.rtcp_stats.fraction_lost = offset + 2;
ssrc_stats.rtcp_stats.jitter = offset + 3;
callback->StatisticsUpdated(ssrc_stats.rtcp_stats, ssrc);
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, Suspended) {
// Verify that the value is false by default.
EXPECT_FALSE(statistics_proxy_->GetStats().suspended);
// Verify that we can set it to true.
statistics_proxy_->OnSuspendChange(true);
EXPECT_TRUE(statistics_proxy_->GetStats().suspended);
// Verify that we can set it back to false again.
statistics_proxy_->OnSuspendChange(false);
EXPECT_FALSE(statistics_proxy_->GetStats().suspended);
}
TEST_F(SendStatisticsProxyTest, FrameCounts) {
FrameCountObserver* observer = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
// Add statistics with some arbitrary, but unique, numbers.
VideoSendStream::StreamStats& stats = expected_.substreams[ssrc];
uint32_t offset = ssrc * sizeof(VideoSendStream::StreamStats);
FrameCounts frame_counts;
frame_counts.key_frames = offset;
frame_counts.delta_frames = offset + 1;
stats.frame_counts = frame_counts;
observer->FrameCountUpdated(frame_counts, ssrc);
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
// Add statistics with some arbitrary, but unique, numbers.
VideoSendStream::StreamStats& stats = expected_.substreams[ssrc];
uint32_t offset = ssrc * sizeof(VideoSendStream::StreamStats);
FrameCounts frame_counts;
frame_counts.key_frames = offset;
frame_counts.delta_frames = offset + 1;
stats.frame_counts = frame_counts;
observer->FrameCountUpdated(frame_counts, ssrc);
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, DataCounters) {
StreamDataCountersCallback* callback = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
StreamDataCounters& counters = expected_.substreams[ssrc].rtp_stats;
// Add statistics with some arbitrary, but unique, numbers.
size_t offset = ssrc * sizeof(StreamDataCounters);
uint32_t offset_uint32 = static_cast<uint32_t>(offset);
counters.transmitted.payload_bytes = offset;
counters.transmitted.header_bytes = offset + 1;
counters.fec.packets = offset_uint32 + 2;
counters.transmitted.padding_bytes = offset + 3;
counters.retransmitted.packets = offset_uint32 + 4;
counters.transmitted.packets = offset_uint32 + 5;
callback->DataCountersUpdated(counters, ssrc);
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
StreamDataCounters& counters = expected_.substreams[ssrc].rtp_stats;
// Add statistics with some arbitrary, but unique, numbers.
size_t offset = ssrc * sizeof(StreamDataCounters);
uint32_t offset_uint32 = static_cast<uint32_t>(offset);
counters.transmitted.payload_bytes = offset;
counters.transmitted.header_bytes = offset + 1;
counters.fec.packets = offset_uint32 + 2;
counters.transmitted.padding_bytes = offset + 3;
counters.retransmitted.packets = offset_uint32 + 4;
counters.transmitted.packets = offset_uint32 + 5;
callback->DataCountersUpdated(counters, ssrc);
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, Bitrate) {
BitrateStatisticsObserver* observer = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
uint32_t total;
uint32_t retransmit;
// Use ssrc as bitrate_bps to get a unique value for each stream.
total = ssrc;
retransmit = ssrc + 1;
observer->Notify(total, retransmit, ssrc);
expected_.substreams[ssrc].total_bitrate_bps = total;
expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit;
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
uint32_t total;
uint32_t retransmit;
// Use ssrc as bitrate_bps to get a unique value for each stream.
total = ssrc;
retransmit = ssrc + 1;
observer->Notify(total, retransmit, ssrc);
expected_.substreams[ssrc].total_bitrate_bps = total;
expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit;
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, SendSideDelay) {
SendSideDelayObserver* observer = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
// Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
// stream.
int avg_delay_ms = ssrc;
int max_delay_ms = ssrc + 1;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
// Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
// stream.
int avg_delay_ms = ssrc;
int max_delay_ms = ssrc + 1;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, OnEncodedFrameTimeMeasured) {
const int kEncodeTimeMs = 11;
CpuOveruseMetrics metrics;
metrics.encode_usage_percent = 80;
statistics_proxy_->OnEncodedFrameTimeMeasured(kEncodeTimeMs, metrics);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodeTimeMs, stats.avg_encode_time_ms);
EXPECT_EQ(metrics.encode_usage_percent, stats.encode_usage_percent);
}
TEST_F(SendStatisticsProxyTest, OnSendEncodedImageIncreasesFramesEncoded) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
EXPECT_EQ(0u, statistics_proxy_->GetStats().frames_encoded);
for (uint32_t i = 1; i <= 3; ++i) {
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
EXPECT_EQ(i, statistics_proxy_->GetStats().frames_encoded);
}
}
TEST_F(SendStatisticsProxyTest, OnSendEncodedImageIncreasesQpSum) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
EXPECT_EQ(absl::nullopt, statistics_proxy_->GetStats().qp_sum);
encoded_image.qp_ = 3;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
EXPECT_EQ(3u, statistics_proxy_->GetStats().qp_sum);
encoded_image.qp_ = 127;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
EXPECT_EQ(130u, statistics_proxy_->GetStats().qp_sum);
}
TEST_F(SendStatisticsProxyTest, OnSendEncodedImageWithoutQpQpSumWontExist) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
encoded_image.qp_ = -1;
EXPECT_EQ(absl::nullopt, statistics_proxy_->GetStats().qp_sum);
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
EXPECT_EQ(absl::nullopt, statistics_proxy_->GetStats().qp_sum);
}
TEST_F(SendStatisticsProxyTest, GetCpuAdaptationStats) {
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.fps = 1;
cpu_counts.resolution = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.fps = 0;
cpu_counts.resolution = 1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.fps = 1;
cpu_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.fps = -1;
cpu_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetQualityAdaptationStats) {
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.fps = 1;
quality_counts.resolution = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.fps = 0;
quality_counts.resolution = 1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.fps = 1;
quality_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.fps = -1;
quality_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsCpuAdaptChanges) {
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
cpu_counts.resolution = 1;
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
cpu_counts.resolution = 2;
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsQualityAdaptChanges) {
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
quality_counts.fps = 1;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
quality_counts.fps = 0;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
}
TEST_F(SendStatisticsProxyTest, AdaptChangesNotReported_AdaptationNotEnabled) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Min runtime has passed.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(0,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesNotReported_MinRuntimeNotPassed) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Min runtime has not passed.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000 - 1);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(0,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
}
TEST_F(SendStatisticsProxyTest, ZeroAdaptChangesReported) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Min runtime has passed.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 0));
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 0));
}
TEST_F(SendStatisticsProxyTest, CpuAdaptChangesReported) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 6));
}
TEST_F(SendStatisticsProxyTest, ExcludesInitialQualityAdaptDownChange) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 1 (1 initial) = 0, elapsed time: 10 sec => 0 per minute.
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 0));
}
TEST_F(SendStatisticsProxyTest, ExcludesInitialQualityAdaptDownChanges) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 3 (2 initial) = 1, elapsed time: 10 sec => 6 per minute.
quality_counts.resolution = 1;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.resolution = 2;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.resolution = 3;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 6));
}
TEST_F(SendStatisticsProxyTest, InitialQualityAdaptChangesNotExcludedOnError) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 1 (2 initial) = 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 6));
}
TEST_F(SendStatisticsProxyTest, ExcludesInitialQualityAdaptDownAndUpChanges) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 8 (4 initial) = 4, elapsed time: 10 sec => 24 per minute.
quality_counts.resolution = 1;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.resolution = 2;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.resolution = 3;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
quality_counts.fps = 1;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
quality_counts.fps = 0;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
quality_counts.resolution = 2; // Initial resolution up.
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
quality_counts.resolution = 1; // Initial resolution up.
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
quality_counts.resolution = 0;
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 24));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesStatsExcludesDisabledTime) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Disable quality adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
quality_counts.fps = -1;
quality_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Enable quality adaptation.
// Adapt changes: 2, elapsed time: 20 sec.
quality_counts.fps = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(9000);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(6000);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
// Disable quality adaptation.
quality_counts.fps = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(30000);
// Enable quality adaptation.
// Adapt changes: 1, elapsed time: 10 sec.
quality_counts.resolution = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Disable quality adaptation.
quality_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(20000);
// Adapt changes: 3, elapsed time: 30 sec => 6 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 6));
}
TEST_F(SendStatisticsProxyTest,
AdaptChangesNotReported_ScalingNotEnabledVideoResumed) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Suspend and resume video.
statistics_proxy_->OnSuspendChange(true);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->OnSuspendChange(false);
// Min runtime has passed but scaling not enabled.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(0,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
}
TEST_F(SendStatisticsProxyTest, QualityAdaptChangesStatsExcludesSuspendedTime) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
// Adapt changes: 2, elapsed time: 20 sec.
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(20000);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
// Suspend and resume video.
statistics_proxy_->OnSuspendChange(true);
fake_clock_.AdvanceTimeMilliseconds(30000);
statistics_proxy_->OnSuspendChange(false);
// Adapt changes: 1, elapsed time: 10 sec.
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Adapt changes: 3, elapsed time: 30 sec => 6 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 6));
}
TEST_F(SendStatisticsProxyTest, CpuAdaptChangesStatsExcludesSuspendedTime) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Video not suspended.
statistics_proxy_->OnSuspendChange(false);
fake_clock_.AdvanceTimeMilliseconds(30000);
// Enable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
// Adapt changes: 1, elapsed time: 20 sec.
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
// Video not suspended, stats time already started.
statistics_proxy_->OnSuspendChange(false);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Disable adaptation.
cpu_counts.fps = -1;
cpu_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(30000);
// Suspend and resume video, stats time not started when scaling not enabled.
statistics_proxy_->OnSuspendChange(true);
fake_clock_.AdvanceTimeMilliseconds(30000);
statistics_proxy_->OnSuspendChange(false);
fake_clock_.AdvanceTimeMilliseconds(30000);
// Enable adaptation.
// Adapt changes: 1, elapsed time: 10 sec.
cpu_counts.fps = 0;
cpu_counts.resolution = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
// Adapt changes: 2, elapsed time: 30 sec => 4 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 4));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesStatsNotStartedIfVideoSuspended) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Video suspended.
statistics_proxy_->OnSuspendChange(true);
// Enable adaptation, stats time not started when suspended.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Resume video, stats time started.
// Adapt changes: 1, elapsed time: 10 sec.
statistics_proxy_->OnSuspendChange(false);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
// Adapt changes: 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 6));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesStatsRestartsOnFirstSentPacket) {
// Send first packet, adaptation enabled.
// Elapsed time before first packet is sent should be excluded.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
UpdateDataCounters(kFirstSsrc);
// Adapt changes: 1, elapsed time: 10 sec.
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnQualityAdaptationChanged(cpu_counts, quality_counts);
UpdateDataCounters(kFirstSsrc);
// Adapt changes: 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Quality", 6));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesStatsStartedAfterFirstSentPacket) {
// Enable and disable adaptation.
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(60000);
cpu_counts.fps = -1;
cpu_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Send first packet, scaling disabled.
// Elapsed time before first packet is sent should be excluded.
UpdateDataCounters(kFirstSsrc);
fake_clock_.AdvanceTimeMilliseconds(60000);
// Enable adaptation.
cpu_counts.resolution = 0;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
UpdateDataCounters(kFirstSsrc);
// Adapt changes: 1, elapsed time: 20 sec.
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
// Adapt changes: 1, elapsed time: 20 sec => 3 per minute.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 3));
}
TEST_F(SendStatisticsProxyTest, AdaptChangesReportedAfterContentSwitch) {
// First RTP packet sent, cpu adaptation enabled.
UpdateDataCounters(kFirstSsrc);
VideoStreamEncoder::AdaptCounts cpu_counts;
VideoStreamEncoder::AdaptCounts quality_counts;
quality_counts.fps = -1;
quality_counts.resolution = -1;
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 2, elapsed time: 15 sec => 8 per minute.
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(6000);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(9000);
// Switch content type, real-time stats should be updated.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kScreen;
statistics_proxy_->OnEncoderReconfigured(config, {});
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.AdaptChangesPerMinute.Cpu", 8));
EXPECT_EQ(0,
metrics::NumSamples("WebRTC.Video.AdaptChangesPerMinute.Quality"));
// First RTP packet sent, scaling enabled.
UpdateDataCounters(kFirstSsrc);
statistics_proxy_->SetAdaptationStats(cpu_counts, quality_counts);
// Adapt changes: 4, elapsed time: 120 sec => 2 per minute.
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
statistics_proxy_->OnCpuAdaptationChanged(cpu_counts, quality_counts);
fake_clock_.AdvanceTimeMilliseconds(120000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.AdaptChangesPerMinute.Cpu"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.AdaptChangesPerMinute.Cpu", 2));
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.Screenshare.AdaptChangesPerMinute.Quality"));
}
TEST_F(SendStatisticsProxyTest, SwitchContentTypeUpdatesHistograms) {
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
// No switch, stats should not be updated.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
statistics_proxy_->OnEncoderReconfigured(config, {});
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
// Switch to screenshare, real-time stats should be updated.
config.content_type = VideoEncoderConfig::ContentType::kScreen;
statistics_proxy_->OnEncoderReconfigured(config, {});
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
}
TEST_F(SendStatisticsProxyTest, InputResolutionHistogramsAreUpdated) {
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.InputWidthInPixels", kWidth));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputHeightInPixels"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.InputHeightInPixels", kHeight));
}
TEST_F(SendStatisticsProxyTest, SentResolutionHistogramsAreUpdated) {
const int64_t kMaxEncodedFrameWindowMs = 800;
const int kFps = 20;
const int kNumFramesPerWindow = kFps * kMaxEncodedFrameWindowMs / 1000;
const int kMinSamples = // Sample added when removed from EncodedFrameMap.
SendStatisticsProxy::kMinRequiredMetricsSamples + kNumFramesPerWindow;
EncodedImage encoded_image;
// Not enough samples, stats should not be updated.
for (int i = 0; i < kMinSamples - 1; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
++encoded_image._timeStamp;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
SetUp(); // Reset stats proxy also causes histograms to be reported.
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.SentWidthInPixels"));
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.SentHeightInPixels"));
// Enough samples, max resolution per frame should be reported.
encoded_image._timeStamp = 0xfffffff0; // Will wrap.
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
++encoded_image._timeStamp;
encoded_image._encodedWidth = kWidth;
encoded_image._encodedHeight = kHeight;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
encoded_image._encodedWidth = kWidth / 2;
encoded_image._encodedHeight = kHeight / 2;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SentWidthInPixels"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.SentWidthInPixels", kWidth));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SentHeightInPixels"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.SentHeightInPixels", kHeight));
}
TEST_F(SendStatisticsProxyTest, InputFpsHistogramIsUpdated) {
const int kFps = 20;
const int kMinPeriodicSamples = 6;
int frames = kMinPeriodicSamples * kFpsPeriodicIntervalMs * kFps / 1000;
for (int i = 0; i <= frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputFramesPerSecond"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.InputFramesPerSecond", kFps));
}
TEST_F(SendStatisticsProxyTest, SentFpsHistogramIsUpdated) {
EncodedImage encoded_image;
const int kFps = 20;
const int kMinPeriodicSamples = 6;
int frames = kMinPeriodicSamples * kFpsPeriodicIntervalMs * kFps / 1000 + 1;
for (int i = 0; i < frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
++encoded_image._timeStamp;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
// Frame with same timestamp should not be counted.
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SentFramesPerSecond"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.SentFramesPerSecond", kFps));
}
TEST_F(SendStatisticsProxyTest, InputFpsHistogramExcludesSuspendedTime) {
const int kFps = 20;
const int kSuspendTimeMs = 10000;
const int kMinPeriodicSamples = 6;
int frames = kMinPeriodicSamples * kFpsPeriodicIntervalMs * kFps / 1000;
for (int i = 0; i < frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
}
// Suspend.
statistics_proxy_->OnSuspendChange(true);
fake_clock_.AdvanceTimeMilliseconds(kSuspendTimeMs);
for (int i = 0; i < frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
}
// Suspended time interval should not affect the framerate.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputFramesPerSecond"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.InputFramesPerSecond", kFps));
}
TEST_F(SendStatisticsProxyTest, SentFpsHistogramExcludesSuspendedTime) {
EncodedImage encoded_image;
const int kFps = 20;
const int kSuspendTimeMs = 10000;
const int kMinPeriodicSamples = 6;
int frames = kMinPeriodicSamples * kFpsPeriodicIntervalMs * kFps / 1000;
for (int i = 0; i < frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image._timeStamp = i + 1;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
// Suspend.
statistics_proxy_->OnSuspendChange(true);
fake_clock_.AdvanceTimeMilliseconds(kSuspendTimeMs);
for (int i = 0; i < frames; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image._timeStamp = i + 1;