blob: 928bc8b701b5855d03d896c446f73fe8f77cc856 [file] [log] [blame]
/*
* 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 <algorithm>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "absl/algorithm/container.h"
#include "api/units/timestamp.h"
#include "rtc_base/fake_clock.h"
#include "system_wrappers/include/metrics.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;
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;
uint64_t total_packet_send_delay_ms = ssrc + 2;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms,
total_packet_send_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
expected_.substreams[ssrc].total_packet_send_delay_ms =
total_packet_send_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;
uint64_t total_packet_send_delay_ms = ssrc + 2;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms,
total_packet_send_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
expected_.substreams[ssrc].total_packet_send_delay_ms =
total_packet_send_delay_ms;
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, OnEncodedFrameTimeMeasured) {
const int kEncodeTimeMs = 11;
int encode_usage_percent = 80;
statistics_proxy_->OnEncodedFrameTimeMeasured(kEncodeTimeMs,
encode_usage_percent);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodeTimeMs, stats.avg_encode_time_ms);
EXPECT_EQ(encode_usage_percent, stats.encode_usage_percent);
}
TEST_F(SendStatisticsProxyTest, TotalEncodeTimeIncreasesPerFrameMeasured) {
const int kEncodeUsagePercent = 0; // Don't care for this test.
EXPECT_EQ(0u, statistics_proxy_->GetStats().total_encode_time_ms);
statistics_proxy_->OnEncodedFrameTimeMeasured(10, kEncodeUsagePercent);
EXPECT_EQ(10u, statistics_proxy_->GetStats().total_encode_time_ms);
statistics_proxy_->OnEncodedFrameTimeMeasured(20, kEncodeUsagePercent);
EXPECT_EQ(30u, statistics_proxy_->GetStats().total_encode_time_ms);
}
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, TotalEncodedBytesTargetFirstFrame) {
const uint32_t kTargetBytesPerSecond = 100000;
statistics_proxy_->OnSetEncoderTargetRate(kTargetBytesPerSecond * 8);
EXPECT_EQ(0u, statistics_proxy_->GetStats().total_encoded_bytes_target);
EncodedImage encoded_image;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
// On the first frame we don't know the frame rate yet, calculation yields
// zero. Our estimate assumes at least 1 FPS, so we expect the frame size to
// increment by a full |kTargetBytesPerSecond|.
EXPECT_EQ(kTargetBytesPerSecond,
statistics_proxy_->GetStats().total_encoded_bytes_target);
}
TEST_F(SendStatisticsProxyTest,
TotalEncodedBytesTargetIncrementsBasedOnFrameRate) {
const uint32_t kTargetBytesPerSecond = 100000;
const int kInterframeDelayMs = 100;
// SendStatisticsProxy uses a RateTracker internally. SendStatisticsProxy uses
// |fake_clock_| for testing, but the RateTracker relies on a global clock.
// This test relies on rtc::ScopedFakeClock to synchronize these two clocks.
// TODO(https://crbug.com/webrtc/10640): When the RateTracker uses a Clock
// this test can stop relying on rtc::ScopedFakeClock.
rtc::ScopedFakeClock fake_global_clock;
fake_global_clock.SetTime(Timestamp::ms(fake_clock_.TimeInMilliseconds()));
statistics_proxy_->OnSetEncoderTargetRate(kTargetBytesPerSecond * 8);
EncodedImage encoded_image;
// First frame
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
uint64_t first_total_encoded_bytes_target =
statistics_proxy_->GetStats().total_encoded_bytes_target;
// Second frame
fake_clock_.AdvanceTimeMilliseconds(kInterframeDelayMs);
fake_global_clock.SetTime(Timestamp::ms(fake_clock_.TimeInMilliseconds()));
encoded_image.SetTimestamp(encoded_image.Timestamp() +
90 * kInterframeDelayMs);
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
auto stats = statistics_proxy_->GetStats();
// By the time the second frame arrives, one frame has previously arrived
// during a |kInterframeDelayMs| interval. The estimated encode frame rate at
// the second frame's arrival should be 10 FPS.
uint64_t delta_encoded_bytes_target =
stats.total_encoded_bytes_target - first_total_encoded_bytes_target;
EXPECT_EQ(kTargetBytesPerSecond / 10, delta_encoded_bytes_target);
}
TEST_F(SendStatisticsProxyTest, GetCpuAdaptationStats) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.num_framerate_reductions = 1;
cpu_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.num_framerate_reductions = 0;
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.num_framerate_reductions = 1;
cpu_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
cpu_counts.num_framerate_reductions = absl::nullopt;
cpu_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetQualityAdaptationStats) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.num_framerate_reductions = 1;
quality_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.num_framerate_reductions = 0;
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.num_framerate_reductions = 1;
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
quality_counts.num_framerate_reductions = absl::nullopt;
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_framerate);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsCpuAdaptChanges) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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.num_resolution_reductions = 2;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
quality_counts.num_framerate_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.num_framerate_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 1 (1 initial) = 0, elapsed time: 10 sec => 0 per minute.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 3 (2 initial) = 1, elapsed time: 10 sec => 6 per minute.
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.num_resolution_reductions = 2;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.num_resolution_reductions = 3;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 1 (2 initial) = 1, elapsed time: 10 sec => 6 per minute.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 8 (4 initial) = 4, elapsed time: 10 sec => 24 per minute.
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.num_resolution_reductions = 2;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnInitialQualityResolutionAdaptDown();
quality_counts.num_resolution_reductions = 3;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
quality_counts.num_framerate_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
quality_counts.num_framerate_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
quality_counts.num_resolution_reductions = 2; // Initial resolution up.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
quality_counts.num_resolution_reductions = 1; // Initial resolution up.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
quality_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_framerate_reductions = absl::nullopt;
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Enable quality adaptation.
// Adapt changes: 2, elapsed time: 20 sec.
quality_counts.num_framerate_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(9000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(6000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
// Disable quality adaptation.
quality_counts.num_framerate_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(30000);
// Enable quality adaptation.
// Adapt changes: 1, elapsed time: 10 sec.
quality_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Disable quality adaptation.
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
// Adapt changes: 2, elapsed time: 20 sec.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(20000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
// Adapt changes: 1, elapsed time: 20 sec.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
// Video not suspended, stats time already started.
statistics_proxy_->OnSuspendChange(false);
fake_clock_.AdvanceTimeMilliseconds(10000);
// Disable adaptation.
cpu_counts.num_framerate_reductions = absl::nullopt;
cpu_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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.num_framerate_reductions = 0;
cpu_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
UpdateDataCounters(kFirstSsrc);
// Adapt changes: 1, elapsed time: 10 sec.
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, 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.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(60000);
cpu_counts.num_framerate_reductions = absl::nullopt;
cpu_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, 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.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(10000);
UpdateDataCounters(kFirstSsrc);
// Adapt changes: 1, elapsed time: 20 sec.
fake_clock_.AdvanceTimeMilliseconds(10000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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);
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_framerate_reductions = absl::nullopt;
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 2, elapsed time: 15 sec => 8 per minute.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(6000);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
// Adapt changes: 4, elapsed time: 120 sec => 2 per minute.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, 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,
QualityLimitationReasonIsCpuWhenCpuIsResolutionLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kCpu,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest,
QualityLimitationReasonIsCpuWhenCpuIsFramerateLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
cpu_counts.num_framerate_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kCpu,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest,
QualityLimitationReasonIsBandwidthWhenQualityIsResolutionLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kBandwidth,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest,
QualityLimitationReasonIsBandwidthWhenQualityIsFramerateLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_framerate_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kBandwidth,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest,
QualityLimitationReasonIsBandwidthWhenBothCpuAndQualityIsLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
cpu_counts.num_resolution_reductions = 1;
quality_counts.num_resolution_reductions = 1;
// Even if the last adaptation reason is kCpu, if the counters indicate being
// both CPU and quality (=bandwidth) limited, kBandwidth takes precedence.
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kBandwidth,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest, QualityLimitationReasonIsNoneWhenNotLimited) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
// Observe a limitation due to CPU. This makes sure the test doesn't pass
// due to "none" being the default value.
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
// Go back to not being limited.
cpu_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EXPECT_EQ(QualityLimitationReason::kNone,
statistics_proxy_->GetStats().quality_limitation_reason);
}
TEST_F(SendStatisticsProxyTest, QualityLimitationDurationIncreasesWithTime) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
// Not limited for 3000 ms
fake_clock_.AdvanceTimeMilliseconds(3000);
// CPU limited for 2000 ms
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(2000);
// Bandwidth limited for 1000 ms
cpu_counts.num_resolution_reductions = 0;
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(1000);
// CPU limited for another 2000 ms
cpu_counts.num_resolution_reductions = 1;
quality_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
fake_clock_.AdvanceTimeMilliseconds(2000);
auto quality_limitation_durations_ms =
statistics_proxy_->GetStats().quality_limitation_durations_ms;
EXPECT_EQ(3000,
quality_limitation_durations_ms[QualityLimitationReason::kNone]);
EXPECT_EQ(4000,
quality_limitation_durations_ms[QualityLimitationReason::kCpu]);
EXPECT_EQ(
1000,
quality_limitation_durations_ms[QualityLimitationReason::kBandwidth]);
EXPECT_EQ(0,
quality_limitation_durations_ms[QualityLimitationReason::kOther]);
}
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 = 5;
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.SetTimestamp(encoded_image.Timestamp() + 90 * 1000 / kFps);
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.SetTimestamp(0xffff0000); // Will wrap.
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() + 90 * 1000 / kFps);
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.SetTimestamp(encoded_image.Timestamp() + 1);
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.SetTimestamp(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.SetTimestamp(i + 1);
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
// Suspended time interval should not affect the framerate.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SentFramesPerSecond"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.SentFramesPerSecond", kFps));
}
TEST_F(SendStatisticsProxyTest, CpuLimitedHistogramNotUpdatedWhenDisabled) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
cpu_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
statistics_proxy_.reset();
EXPECT_EQ(0,
metrics::NumSamples("WebRTC.Video.CpuLimitedResolutionInPercent"));
}
TEST_F(SendStatisticsProxyTest, CpuLimitedHistogramUpdated) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
cpu_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
cpu_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kCpu, cpu_counts,
quality_counts);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
statistics_proxy_.reset();
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.CpuLimitedResolutionInPercent"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.CpuLimitedResolutionInPercent", 50));
}
TEST_F(SendStatisticsProxyTest, LifetimeHistogramIsUpdated) {
const int64_t kTimeSec = 3;
fake_clock_.AdvanceTimeMilliseconds(kTimeSec * 1000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.SendStreamLifetimeInSeconds"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.SendStreamLifetimeInSeconds",
kTimeSec));
}
TEST_F(SendStatisticsProxyTest, CodecTypeHistogramIsUpdated) {
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoder.CodecType"));
}
TEST_F(SendStatisticsProxyTest, PauseEventHistogramIsUpdated) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Min runtime has passed.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.NumberOfPauseEvents", 0));
}
TEST_F(SendStatisticsProxyTest,
PauseEventHistogramIsNotUpdatedIfMinRuntimeHasNotPassed) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Min runtime has not passed.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000 - 1);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.PausedTimeInPercent"));
}
TEST_F(SendStatisticsProxyTest,
PauseEventHistogramIsNotUpdatedIfNoMediaIsSent) {
// First RTP packet not sent.
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
}
TEST_F(SendStatisticsProxyTest, NoPauseEvent) {
// First RTP packet sent and min runtime passed.
UpdateDataCounters(kFirstSsrc);
// No change. Video: 10000 ms, paused: 0 ms (0%).
statistics_proxy_->OnSetEncoderTargetRate(50000);
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
statistics_proxy_->OnSetEncoderTargetRate(0); // VideoSendStream::Stop
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.NumberOfPauseEvents", 0));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PausedTimeInPercent"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PausedTimeInPercent", 0));
}
TEST_F(SendStatisticsProxyTest, OnePauseEvent) {
// First RTP packet sent and min runtime passed.
UpdateDataCounters(kFirstSsrc);
// One change. Video: 7000 ms, paused: 3000 ms (30%).
statistics_proxy_->OnSetEncoderTargetRate(50000);
fake_clock_.AdvanceTimeMilliseconds(7000);
statistics_proxy_->OnSetEncoderTargetRate(0);
fake_clock_.AdvanceTimeMilliseconds(3000);
statistics_proxy_->OnSetEncoderTargetRate(0); // VideoSendStream::Stop
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.NumberOfPauseEvents", 1));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PausedTimeInPercent"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PausedTimeInPercent", 30));
}
TEST_F(SendStatisticsProxyTest, TwoPauseEvents) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
// Two changes. Video: 19000 ms, paused: 1000 ms (5%).
statistics_proxy_->OnSetEncoderTargetRate(0);
fake_clock_.AdvanceTimeMilliseconds(1000);
statistics_proxy_->OnSetEncoderTargetRate(50000); // Starts on bitrate > 0.
fake_clock_.AdvanceTimeMilliseconds(7000);
statistics_proxy_->OnSetEncoderTargetRate(60000);
fake_clock_.AdvanceTimeMilliseconds(3000);
statistics_proxy_->OnSetEncoderTargetRate(0);
fake_clock_.AdvanceTimeMilliseconds(250);
statistics_proxy_->OnSetEncoderTargetRate(0);
fake_clock_.AdvanceTimeMilliseconds(750);
statistics_proxy_->OnSetEncoderTargetRate(60000);
fake_clock_.AdvanceTimeMilliseconds(5000);
statistics_proxy_->OnSetEncoderTargetRate(50000);
fake_clock_.AdvanceTimeMilliseconds(4000);
statistics_proxy_->OnSetEncoderTargetRate(0); // VideoSendStream::Stop
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.NumberOfPauseEvents"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.NumberOfPauseEvents", 2));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PausedTimeInPercent"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PausedTimeInPercent", 5));
}
TEST_F(SendStatisticsProxyTest,
PausedTimeHistogramIsNotUpdatedIfMinRuntimeHasNotPassed) {
// First RTP packet sent.
UpdateDataCounters(kFirstSsrc);
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000);
// Min runtime has not passed.
statistics_proxy_->OnSetEncoderTargetRate(50000);
fake_clock_.AdvanceTimeMilliseconds(metrics::kMinRunTimeInSeconds * 1000 - 1);
statistics_proxy_->OnSetEncoderTargetRate(0); // VideoSendStream::Stop
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.PausedTimeInPercent"));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_Vp8) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
encoded_image.SetSpatialIndex(0);
encoded_image.qp_ = kQpIdx0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.SetSpatialIndex(1);
encoded_image.qp_ = kQpIdx1;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp8.S0"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp8.S0", kQpIdx0));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp8.S1"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp8.S1", kQpIdx1));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_Vp8OneSsrc) {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc);
statistics_proxy_.reset(new SendStatisticsProxy(
&fake_clock_, config, VideoEncoderConfig::ContentType::kRealtimeVideo));
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
encoded_image.SetSpatialIndex(0);
encoded_image.qp_ = kQpIdx0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp8"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp8", kQpIdx0));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_Vp9) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP9;
codec_info.codecSpecific.VP9.num_spatial_layers = 2;
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
encoded_image.qp_ = kQpIdx0;
encoded_image.SetSpatialIndex(0);
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.qp_ = kQpIdx1;
encoded_image.SetSpatialIndex(1);
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp9.S0"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp9.S0", kQpIdx0));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp9.S1"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp9.S1", kQpIdx1));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_Vp9OneSpatialLayer) {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc);
statistics_proxy_.reset(new SendStatisticsProxy(
&fake_clock_, config, VideoEncoderConfig::ContentType::kRealtimeVideo));
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP9;
codec_info.codecSpecific.VP9.num_spatial_layers = 1;
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
encoded_image.qp_ = kQpIdx0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.Vp9"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.Vp9", kQpIdx0));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_H264) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecH264;
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
encoded_image.SetSpatialIndex(0);
encoded_image.qp_ = kQpIdx0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.SetSpatialIndex(1);
encoded_image.qp_ = kQpIdx1;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
}
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.H264.S0"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.H264.S0", kQpIdx0));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.Encoded.Qp.H264.S1"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.Encoded.Qp.H264.S1", kQpIdx1));
}
TEST_F(SendStatisticsProxyTest,
BandwidthLimitedHistogramsNotUpdatedForOneStream) {
// Configure one stream.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
VideoStream stream1;
stream1.width = kWidth;
stream1.height = kHeight;
statistics_proxy_->OnEncoderReconfigured(config, {stream1});
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;
// Stream encoded.
EncodedImage encoded_image;
encoded_image._encodedWidth = kWidth;
encoded_image._encodedHeight = kHeight;
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionInPercent"));
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionsDisabled"));
}
TEST_F(SendStatisticsProxyTest,
BandwidthLimitedHistogramsUpdatedForTwoStreams_NoResolutionDisabled) {
// Configure two streams.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
VideoStream stream1;
stream1.width = kWidth / 2;
stream1.height = kHeight / 2;
VideoStream stream2;
stream2.width = kWidth;
stream2.height = kHeight;
statistics_proxy_->OnEncoderReconfigured(config, {stream1, stream2});
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;
// Two streams encoded.
EncodedImage encoded_image;
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
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);
}
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionInPercent"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.BandwidthLimitedResolutionInPercent", 0));
// No resolution disabled.
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionsDisabled"));
}
TEST_F(SendStatisticsProxyTest,
BandwidthLimitedHistogramsUpdatedForTwoStreams_OneResolutionDisabled) {
// Configure two streams.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
VideoStream stream1;
stream1.width = kWidth / 2;
stream1.height = kHeight / 2;
VideoStream stream2;
stream2.width = kWidth;
stream2.height = kHeight;
statistics_proxy_->OnEncoderReconfigured(config, {stream1, stream2});
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;
// One stream encoded.
EncodedImage encoded_image;
encoded_image._encodedWidth = kWidth / 2;
encoded_image._encodedHeight = kHeight / 2;
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
}
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionInPercent"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.BandwidthLimitedResolutionInPercent", 100));
// One resolution disabled.
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.BandwidthLimitedResolutionsDisabled"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.BandwidthLimitedResolutionsDisabled", 1));
}
TEST_F(SendStatisticsProxyTest,
QualityLimitedHistogramsNotUpdatedWhenDisabled) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_resolution_reductions = absl::nullopt;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EncodedImage encoded_image;
encoded_image.SetSpatialIndex(0);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnSendEncodedImage(encoded_image, &kDefaultCodecInfo);
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(
0, metrics::NumSamples("WebRTC.Video.QualityLimitedResolutionInPercent"));
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.QualityLimitedResolutionDownscales"));
}
TEST_F(SendStatisticsProxyTest,
QualityLimitedHistogramsUpdatedWhenEnabled_NoResolutionDownscale) {
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_resolution_reductions = 0;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EncodedImage encoded_image;
encoded_image.SetSpatialIndex(0);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnSendEncodedImage(encoded_image, &kDefaultCodecInfo);
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.QualityLimitedResolutionInPercent"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.QualityLimitedResolutionInPercent", 0));
// No resolution downscale.
EXPECT_EQ(0, metrics::NumSamples(
"WebRTC.Video.QualityLimitedResolutionDownscales"));
}
TEST_F(SendStatisticsProxyTest,
QualityLimitedHistogramsUpdatedWhenEnabled_TwoResolutionDownscales) {
const int kDownscales = 2;
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_resolution_reductions = kDownscales;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kNone, cpu_counts,
quality_counts);
EncodedImage encoded_image;
encoded_image.SetSpatialIndex(0);
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnSendEncodedImage(encoded_image, &kDefaultCodecInfo);
// Histograms are updated when the statistics_proxy_ is deleted.
statistics_proxy_.reset();
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.QualityLimitedResolutionInPercent"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.QualityLimitedResolutionInPercent", 100));
// Resolution downscales.
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.QualityLimitedResolutionDownscales"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.QualityLimitedResolutionDownscales",
kDownscales));
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsBandwidthLimitedResolution) {
// Initially false.
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
// Configure two streams.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kRealtimeVideo;
VideoStream stream1;
stream1.width = kWidth / 2;
stream1.height = kHeight / 2;
VideoStream stream2;
stream2.width = kWidth;
stream2.height = kHeight;
statistics_proxy_->OnEncoderReconfigured(config, {stream1, stream2});
const int64_t kMaxEncodedFrameWindowMs = 800;
const int kFps = 20;
const int kMinSamples = // Sample added when removed from EncodedFrameMap.
kFps * kMaxEncodedFrameWindowMs / 1000;
// One stream encoded.
EncodedImage encoded_image;
encoded_image._encodedWidth = kWidth / 2;
encoded_image._encodedHeight = kHeight / 2;
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
}
// First frame removed from EncodedFrameMap, stats updated.
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() + 1);
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
// Two streams encoded.
for (int i = 0; i < kMinSamples; ++i) {
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
encoded_image._encodedWidth = kWidth;
encoded_image._encodedHeight = kHeight;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
encoded_image._encodedWidth = kWidth / 2;
encoded_image._encodedHeight = kHeight / 2;
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
}
// First frame with two streams removed, expect no resolution limit.
fake_clock_.AdvanceTimeMilliseconds(1000 / kFps);
encoded_image.SetTimestamp(encoded_image.Timestamp() +
(kRtpClockRateHz / kFps));
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
// Resolution scaled due to quality.
SendStatisticsProxy::AdaptationSteps cpu_counts;
SendStatisticsProxy::AdaptationSteps quality_counts;
quality_counts.num_resolution_reductions = 1;
statistics_proxy_->OnAdaptationChanged(
VideoStreamEncoderObserver::AdaptationReason::kQuality, cpu_counts,
quality_counts);
statistics_proxy_->OnSendEncodedImage(encoded_image, nullptr);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsTargetMediaBitrate) {
// Initially zero.
EXPECT_EQ(0, statistics_proxy_->GetStats().target_media_bitrate_bps);
const int kBitrate = 100000;
statistics_proxy_->OnSetEncoderTargetRate(kBitrate);
EXPECT_EQ(kBitrate, statistics_proxy_->GetStats().target_media_bitrate_bps);
statistics_proxy_->OnSetEncoderTargetRate(0);
EXPECT_EQ(0, statistics_proxy_->GetStats().target_media_bitrate_bps);
}
TEST_F(SendStatisticsProxyTest, NoSubstreams) {
uint32_t excluded_ssrc =
std::max(*absl::c_max_element(config_.rtp.ssrcs),
*absl::c_max_element(config_.rtp.rtx.ssrcs)) +
1;
// From RtcpStatisticsCallback.
RtcpStatistics rtcp_stats;
RtcpStatisticsCallback* rtcp_callback = statistics_proxy_.get();
rtcp_callback->StatisticsUpdated(rtcp_stats, excluded_ssrc);
// From BitrateStatisticsObserver.
uint32_t total = 0;
uint32_t retransmit = 0;
BitrateStatisticsObserver* bitrate_observer = statistics_proxy_.get();
bitrate_observer->Notify(total, retransmit, excluded_ssrc);
// From FrameCountObserver.
FrameCountObserver* fps_observer = statistics_proxy_.get();
FrameCounts frame_counts;
frame_counts.key_frames = 1;
fps_observer->FrameCountUpdated(frame_counts, excluded_ssrc);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_TRUE(stats.substreams.empty());
}
TEST_F(SendStatisticsProxyTest, EncodedResolutionTimesOut) {
static const int kEncodedWidth = 123;
static const int kEncodedHeight = 81;
EncodedImage encoded_image;
encoded_image._encodedWidth = kEncodedWidth;
encoded_image._encodedHeight = kEncodedHeight;
encoded_image.SetSpatialIndex(0);
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.SetSpatialIndex(1);
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[0]].height);
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[1]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[1]].height);
// Forward almost to timeout, this should not have removed stats.
fake_clock_.AdvanceTimeMilliseconds(SendStatisticsProxy::kStatsTimeoutMs - 1);
stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[0]].height);
// Update the first SSRC with bogus RTCP stats to make sure that encoded
// resolution still times out (no global timeout for all stats).
RtcpStatistics rtcp_statistics;
RtcpStatisticsCallback* rtcp_stats = statistics_proxy_.get();
rtcp_stats->StatisticsUpdated(rtcp_statistics, config_.rtp.ssrcs[0]);
// Report stats for second SSRC to make sure it's not outdated along with the
// first SSRC.
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
// Forward 1 ms, reach timeout, substream 0 should have no resolution
// reported, but substream 1 should.
fake_clock_.AdvanceTimeMilliseconds(1);
stats = statistics_proxy_->GetStats();
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[0]].height);
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[1]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[1]].height);
}
TEST_F(SendStatisticsProxyTest, ClearsResolutionFromInactiveSsrcs) {
static const int kEncodedWidth = 123;
static const int kEncodedHeight = 81;
EncodedImage encoded_image;
encoded_image._encodedWidth = kEncodedWidth;
encoded_image._encodedHeight = kEncodedHeight;
encoded_image.SetSpatialIndex(0);
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.SetSpatialIndex(1);
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
statistics_proxy_->OnInactiveSsrc(config_.rtp.ssrcs[1]);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[0]].height);
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[1]].width);
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[1]].height);
}
TEST_F(SendStatisticsProxyTest, ClearsBitratesFromInactiveSsrcs) {
uint32_t bitrate = 42;
BitrateStatisticsObserver* observer = statistics_proxy_.get();
observer->Notify(bitrate, bitrate, config_.rtp.ssrcs[0]);
observer->Notify(bitrate, bitrate, config_.rtp.ssrcs[1]);
statistics_proxy_->OnInactiveSsrc(config_.rtp.ssrcs[1]);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(static_cast<int>(bitrate),
stats.substreams[config_.rtp.ssrcs[0]].total_bitrate_bps);
EXPECT_EQ(static_cast<int>(bitrate),
stats.substreams[config_.rtp.ssrcs[0]].retransmit_bitrate_bps);
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[1]].total_bitrate_bps);
EXPECT_EQ(0, stats.substreams[config_.rtp.ssrcs[1]].retransmit_bitrate_bps);
}
TEST_F(SendStatisticsProxyTest, ResetsRtcpCountersOnContentChange) {
RtcpPacketTypeCounterObserver* proxy =
static_cast<RtcpPacketTypeCounterObserver*>(statistics_proxy_.get());
RtcpPacketTypeCounter counters;
counters.first_packet_time_ms = fake_clock_.TimeInMilliseconds();
proxy->RtcpPacketTypesCounterUpdated(kFirstSsrc, counters);
proxy->RtcpPacketTypesCounterUpdated(kSecondSsrc, counters);
fake_clock_.AdvanceTimeMilliseconds(1000 * metrics::kMinRunTimeInSeconds);
counters.nack_packets += 1 * metrics::kMinRunTimeInSeconds;
counters.fir_packets += 2 * metrics::kMinRunTimeInSeconds;
counters.pli_packets += 3 * metrics::kMinRunTimeInSeconds;
counters.unique_nack_requests += 4 * metrics::kMinRunTimeInSeconds;
counters.nack_requests += 5 * metrics::kMinRunTimeInSeconds;
proxy->RtcpPacketTypesCounterUpdated(kFirstSsrc, counters);
proxy->RtcpPacketTypesCounterUpdated(kSecondSsrc, counters);
// Changing content type causes histograms to be reported.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kScreen;
statistics_proxy_->OnEncoderReconfigured(config, {});
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.NackPacketsReceivedPerMinute"));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FirPacketsReceivedPerMinute"));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PliPacketsReceivedPerMinute"));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.UniqueNackRequestsReceivedInPercent"));
const int kRate = 60 * 2; // Packets per minute with two streams.
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.NackPacketsReceivedPerMinute",
1 * kRate));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.FirPacketsReceivedPerMinute",
2 * kRate));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PliPacketsReceivedPerMinute",
3 * kRate));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.UniqueNackRequestsReceivedInPercent",
4 * 100 / 5));
// New start time but same counter values.
proxy->RtcpPacketTypesCounterUpdated(kFirstSsrc, counters);
proxy->RtcpPacketTypesCounterUpdated(kSecondSsrc, counters);
fake_clock_.AdvanceTimeMilliseconds(1000 * metrics::kMinRunTimeInSeconds);
counters.nack_packets += 1 * metrics::kMinRunTimeInSeconds;
counters.fir_packets += 2 * metrics::kMinRunTimeInSeconds;
counters.pli_packets += 3 * metrics::kMinRunTimeInSeconds;
counters.unique_nack_requests += 4 * metrics::kMinRunTimeInSeconds;
counters.nack_requests += 5 * metrics::kMinRunTimeInSeconds;
proxy->RtcpPacketTypesCounterUpdated(kFirstSsrc, counters);
proxy->RtcpPacketTypesCounterUpdated(kSecondSsrc, counters);
SetUp(); // Reset stats proxy also causes histograms to be reported.
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.NackPacketsReceivedPerMinute"));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.FirPacketsReceivedPerMinute"));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.PliPacketsReceivedPerMinute"));
EXPECT_EQ(
1, metrics::NumSamples(
"WebRTC.Video.Screenshare.UniqueNackRequestsReceivedInPercent"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.NackPacketsReceivedPerMinute",
1 * kRate));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.FirPacketsReceivedPerMinute",
2 * kRate));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.PliPacketsReceivedPerMinute",
3 * kRate));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.Screenshare.UniqueNackRequestsReceivedInPercent",
4 * 100 / 5));
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsIsFlexFec) {
statistics_proxy_.reset(
new SendStatisticsProxy(&fake_clock_, GetTestConfigWithFlexFec(),
VideoEncoderConfig::ContentType::kRealtimeVideo));
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kFlexFecSsrc);
EXPECT_FALSE(GetStreamStats(kFirstSsrc).is_flexfec);
EXPECT_TRUE(GetStreamStats(kFlexFecSsrc).is_flexfec);
}
TEST_F(SendStatisticsProxyTest, SendBitratesAreReportedWithFlexFecEnabled) {
statistics_proxy_.reset(
new SendStatisticsProxy(&fake_clock_, GetTestConfigWithFlexFec(),
VideoEncoderConfig::ContentType::kRealtimeVideo));
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
StreamDataCounters rtx_counters;
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.padding_bytes += 1000;
counters.transmitted.payload_bytes += 2000;
counters.retransmitted.packets += 2;
counters.retransmitted.header_bytes += 25;
counters.retransmitted.padding_bytes += 100;
counters.retransmitted.payload_bytes += 250;
counters.fec = counters.retransmitted;
rtx_counters.transmitted = counters.transmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kSecondSsrc);
proxy->DataCountersUpdated(rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(rtx_counters, kSecondRtxSsrc);
proxy->DataCountersUpdated(counters, kFlexFecSsrc);
}
statistics_proxy_.reset();
// Interval: 3500 bytes * 4 / 2 sec = 7000 bytes / sec = 56 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.BitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.BitrateSentInKbps", 56));
// Interval: 3500 bytes * 2 / 2 sec = 3500 bytes / sec = 28 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.RtxBitrateSentInKbps", 28));
// Interval: (2000 - 2 * 250) bytes / 2 sec = 1500 bytes / sec = 12 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.MediaBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.MediaBitrateSentInKbps", 12));
// Interval: 1000 bytes * 4 / 2 sec = 2000 bytes / sec = 16 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PaddingBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PaddingBitrateSentInKbps", 16));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.FecBitrateSentInKbps", 3));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.RetransmittedBitrateSentInKbps"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.RetransmittedBitrateSentInKbps", 3));
}
TEST_F(SendStatisticsProxyTest, ResetsRtpCountersOnContentChange) {
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
StreamDataCounters rtx_counters;
counters.first_packet_time_ms = fake_clock_.TimeInMilliseconds();
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.padding_bytes += 1000;
counters.transmitted.payload_bytes += 2000;
counters.retransmitted.packets += 2;
counters.retransmitted.header_bytes += 25;
counters.retransmitted.padding_bytes += 100;
counters.retransmitted.payload_bytes += 250;
counters.fec = counters.retransmitted;
rtx_counters.transmitted = counters.transmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kSecondSsrc);
proxy->DataCountersUpdated(rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(rtx_counters, kSecondRtxSsrc);
}
// Changing content type causes histograms to be reported.
VideoEncoderConfig config;
config.content_type = VideoEncoderConfig::ContentType::kScreen;
statistics_proxy_->OnEncoderReconfigured(config, {});
// Interval: 3500 bytes * 4 / 2 sec = 7000 bytes / sec = 56 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.BitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.BitrateSentInKbps", 56));
// Interval: 3500 bytes * 2 / 2 sec = 3500 bytes / sec = 28 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.RtxBitrateSentInKbps", 28));
// Interval: (2000 - 2 * 250) bytes / 2 sec = 1500 bytes / sec = 12 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.MediaBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.MediaBitrateSentInKbps", 12));
// Interval: 1000 bytes * 4 / 2 sec = 2000 bytes / sec = 16 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PaddingBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.PaddingBitrateSentInKbps", 16));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.FecBitrateSentInKbps", 3));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.RetransmittedBitrateSentInKbps"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.RetransmittedBitrateSentInKbps", 3));
// New metric counters but same data counters.
// Double counter values, this should result in the same counts as before but
// with new histogram names.
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.padding_bytes += 1000;
counters.transmitted.payload_bytes += 2000;
counters.retransmitted.packets += 2;
counters.retransmitted.header_bytes += 25;
counters.retransmitted.padding_bytes += 100;
counters.retransmitted.payload_bytes += 250;
counters.fec = counters.retransmitted;
rtx_counters.transmitted = counters.transmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kSecondSsrc);
proxy->DataCountersUpdated(rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(rtx_counters, kSecondRtxSsrc);
}
// Reset stats proxy also causes histograms to be reported.
statistics_proxy_.reset();
// Interval: 3500 bytes * 4 / 2 sec = 7000 bytes / sec = 56 kbps
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.Screenshare.BitrateSentInKbps"));
EXPECT_EQ(
1, metrics::NumEvents("WebRTC.Video.Screenshare.BitrateSentInKbps", 56));
// Interval: 3500 bytes * 2 / 2 sec = 3500 bytes / sec = 28 kbps
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.Screenshare.RtxBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.RtxBitrateSentInKbps", 28));
// Interval: (2000 - 2 * 250) bytes / 2 sec = 1500 bytes / sec = 12 kbps
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.MediaBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.MediaBitrateSentInKbps", 12));
// Interval: 1000 bytes * 4 / 2 sec = 2000 bytes / sec = 16 kbps
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.PaddingBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.PaddingBitrateSentInKbps", 16));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.Screenshare.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.FecBitrateSentInKbps", 3));
// Interval: 375 bytes * 2 / 2 sec = 375 bytes / sec = 3 kbps
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.RetransmittedBitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.Screenshare.RetransmittedBitrateSentInKbps", 3));
}
TEST_F(SendStatisticsProxyTest, RtxBitrateIsZeroWhenEnabledAndNoRtxDataIsSent) {
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
StreamDataCounters rtx_counters;
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.payload_bytes += 2000;
counters.fec = counters.retransmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
}
// RTX enabled. No data sent over RTX.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.RtxBitrateSentInKbps", 0));
}
TEST_F(SendStatisticsProxyTest, RtxBitrateNotReportedWhenNotEnabled) {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc); // RTX not configured.
statistics_proxy_.reset(new SendStatisticsProxy(
&fake_clock_, config, VideoEncoderConfig::ContentType::kRealtimeVideo));
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.payload_bytes += 2000;
counters.fec = counters.retransmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
}
// RTX not enabled.
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
}
TEST_F(SendStatisticsProxyTest, FecBitrateIsZeroWhenEnabledAndNoFecDataIsSent) {
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
StreamDataCounters rtx_counters;
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.payload_bytes += 2000;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
}
// FEC enabled. No FEC data sent.
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents("WebRTC.Video.FecBitrateSentInKbps", 0));
}
TEST_F(SendStatisticsProxyTest, FecBitrateNotReportedWhenNotEnabled) {
VideoSendStream::Config config(nullptr);
config.rtp.ssrcs.push_back(kFirstSsrc); // FEC not configured.
statistics_proxy_.reset(new SendStatisticsProxy(
&fake_clock_, config, VideoEncoderConfig::ContentType::kRealtimeVideo));
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
const int kMinRequiredPeriodSamples = 8;
const int kPeriodIntervalMs = 2000;
for (int i = 0; i < kMinRequiredPeriodSamples; ++i) {
counters.transmitted.packets += 20;
counters.transmitted.header_bytes += 500;
counters.transmitted.payload_bytes += 2000;
counters.fec = counters.retransmitted;
// Advance one interval and update counters.
fake_clock_.AdvanceTimeMilliseconds(kPeriodIntervalMs);
proxy->DataCountersUpdated(counters, kFirstSsrc);
}
// FEC not enabled.
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsEncoderImplementationName) {
const std::string kName = "encoderName";
statistics_proxy_->OnEncoderImplementationChanged(kName);
EXPECT_EQ(kName, statistics_proxy_->GetStats().encoder_implementation_name);
}
TEST_F(SendStatisticsProxyTest, Vp9SvcLowSpatialLayerDoesNotUpdateResolution) {
static const int kEncodedWidth = 123;
static const int kEncodedHeight = 81;
EncodedImage encoded_image;
encoded_image._encodedWidth = kEncodedWidth;
encoded_image._encodedHeight = kEncodedHeight;
encoded_image.SetSpatialIndex(0);
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP9;
// For first picture, it is expected that low layer updates resolution.
codec_info.codecSpecific.VP9.end_of_picture = false;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight, stats.substreams[config_.rtp.ssrcs[0]].height);
// Top layer updates resolution.
encoded_image._encodedWidth = kEncodedWidth * 2;
encoded_image._encodedHeight = kEncodedHeight * 2;
codec_info.codecSpecific.VP9.end_of_picture = true;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth * 2, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight * 2, stats.substreams[config_.rtp.ssrcs[0]].height);
// Low layer of next frame doesn't update resolution.
encoded_image._encodedWidth = kEncodedWidth;
encoded_image._encodedHeight = kEncodedHeight;
codec_info.codecSpecific.VP9.end_of_picture = false;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodedWidth * 2, stats.substreams[config_.rtp.ssrcs[0]].width);
EXPECT_EQ(kEncodedHeight * 2, stats.substreams[config_.rtp.ssrcs[0]].height);
}
class ForcedFallbackTest : public SendStatisticsProxyTest {
public:
explicit ForcedFallbackTest(const std::string& field_trials)
: SendStatisticsProxyTest(field_trials) {
codec_info_.codecType = kVideoCodecVP8;
codec_info_.codecSpecific.VP8.temporalIdx = 0;
encoded_image_._encodedWidth = kWidth;
encoded_image_._encodedHeight = kHeight;
encoded_image_.SetSpatialIndex(0);
}
~ForcedFallbackTest() override {}
protected:
void InsertEncodedFrames(int num_frames, int interval_ms) {
statistics_proxy_->OnEncoderImplementationChanged(codec_name_);
// First frame is not updating stats, insert initial frame.
if (statistics_proxy_->GetStats().frames_encoded == 0) {
statistics_proxy_->OnSendEncodedImage(encoded_image_, &codec_info_);
}
for (int i = 0; i < num_frames; ++i) {
statistics_proxy_->OnSendEncodedImage(encoded_image_, &codec_info_);
fake_clock_.AdvanceTimeMilliseconds(interval_ms);
}
// Add frame to include last time interval.
statistics_proxy_->OnSendEncodedImage(encoded_image_, &codec_info_);
}
EncodedImage encoded_image_;
CodecSpecificInfo codec_info_;
std::string codec_name_;
const std::string kPrefix = "WebRTC.Video.Encoder.ForcedSw";
const int kFrameIntervalMs = 1000;
const int kMinFrames = 20; // Min run time 20 sec.
};
class ForcedFallbackDisabled : public ForcedFallbackTest {
public:
ForcedFallbackDisabled()
: ForcedFallbackTest("WebRTC-VP8-Forced-Fallback-Encoder-v2/Disabled-1," +
std::to_string(kWidth * kHeight) + ",3/") {}
};
class ForcedFallbackEnabled : public ForcedFallbackTest {
public:
ForcedFallbackEnabled()
: ForcedFallbackTest("WebRTC-VP8-Forced-Fallback-Encoder-v2/Enabled-1," +
std::to_string(kWidth * kHeight) + ",3/") {}
};
TEST_F(ForcedFallbackEnabled, StatsNotUpdatedIfMinRunTimeHasNotPassed) {
InsertEncodedFrames(kMinFrames, kFrameIntervalMs - 1);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples(kPrefix + "FallbackTimeInPercent.Vp8"));
EXPECT_EQ(0, metrics::NumSamples(kPrefix + "FallbackChangesPerMinute.Vp8"));
}
TEST_F(ForcedFallbackEnabled, StatsUpdated) {
InsertEncodedFrames(kMinFrames, kFrameIntervalMs);
EXPECT_FALSE(statistics_proxy_->GetStats().has_entered_low_resolution);
statistics_proxy_.reset();
EXPECT_EQ(1, metrics::NumSamples(kPrefix + "FallbackTimeInPercent.Vp8"));
EXPECT_EQ(1, metrics::NumEvents(kPrefix + "FallbackTimeInPercent.Vp8", 0));
EXPECT_EQ(1, metrics::NumSamples(kPrefix + "FallbackChangesPerMinute.Vp8"));
EXPECT_EQ(1, metrics::NumEvents(kPrefix + "FallbackChangesPerMinute.Vp8", 0));
}
TEST_F(ForcedFallbackEnabled, StatsNotUpdatedIfNotVp8) {
codec_info_.codecType = kVideoCodecVP9;
InsertEncodedFrames(kMinFrames, kFrameIntervalMs);
statistics_proxy_.reset();
EXPECT_EQ(0, metrics::NumSamples(kPrefix + "FallbackTimeInPercent.Vp8"));