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rhubarb-lip-sync/rhubarb/lib/webrtc-8d2248ff/webrtc/video/send_statistics_proxy_unitt...

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/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/video/send_statistics_proxy.h"
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/system_wrappers/include/metrics.h"
#include "webrtc/system_wrappers/include/metrics_default.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 int kMinRequiredSamples = 200;
const int kQpIdx0 = 21;
const int kQpIdx1 = 39;
} // namespace
class SendStatisticsProxyTest : public ::testing::Test {
public:
SendStatisticsProxyTest()
: 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();
}
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.fec.red_payload_type = 17;
return config;
}
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.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.cumulative_lost, b.rtcp_stats.cumulative_lost);
EXPECT_EQ(a.rtcp_stats.extended_max_sequence_number,
b.rtcp_stats.extended_max_sequence_number);
EXPECT_EQ(a.rtcp_stats.jitter, b.rtcp_stats.jitter);
}
}
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.cumulative_lost = offset;
ssrc_stats.rtcp_stats.extended_max_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.cumulative_lost = offset;
ssrc_stats.rtcp_stats.extended_max_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, EncodedBitrateAndFramerate) {
int media_bitrate_bps = 500;
int encode_fps = 29;
statistics_proxy_->OnEncoderStatsUpdate(encode_fps, media_bitrate_bps,
"encoder name");
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(media_bitrate_bps, stats.media_bitrate_bps);
EXPECT_EQ(encode_fps, stats.encode_frame_rate);
EXPECT_EQ("encoder name", stats.encoder_implementation_name);
}
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) {
BitrateStatistics total;
BitrateStatistics retransmit;
// Use ssrc as bitrate_bps to get a unique value for each stream.
total.bitrate_bps = ssrc;
retransmit.bitrate_bps = ssrc + 1;
observer->Notify(total, retransmit, ssrc);
expected_.substreams[ssrc].total_bitrate_bps = total.bitrate_bps;
expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit.bitrate_bps;
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
BitrateStatistics total;
BitrateStatistics retransmit;
// Use ssrc as bitrate_bps to get a unique value for each stream.
total.bitrate_bps = ssrc;
retransmit.bitrate_bps = ssrc + 1;
observer->Notify(total, retransmit, ssrc);
expected_.substreams[ssrc].total_bitrate_bps = total.bitrate_bps;
expected_.substreams[ssrc].retransmit_bitrate_bps = retransmit.bitrate_bps;
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, SendSideDelay) {
SendSideDelayObserver* observer = statistics_proxy_.get();
for (const auto& ssrc : config_.rtp.ssrcs) {
// Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
// stream.
int avg_delay_ms = ssrc;
int max_delay_ms = ssrc + 1;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
}
for (const auto& ssrc : config_.rtp.rtx.ssrcs) {
// Use ssrc as avg_delay_ms and max_delay_ms to get a unique value for each
// stream.
int avg_delay_ms = ssrc;
int max_delay_ms = ssrc + 1;
observer->SendSideDelayUpdated(avg_delay_ms, max_delay_ms, ssrc);
expected_.substreams[ssrc].avg_delay_ms = avg_delay_ms;
expected_.substreams[ssrc].max_delay_ms = max_delay_ms;
}
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
ExpectEqual(expected_, stats);
}
TEST_F(SendStatisticsProxyTest, OnEncodedFrameTimeMeasured) {
const int kEncodeTimeMs = 11;
CpuOveruseMetrics metrics;
metrics.encode_usage_percent = 80;
statistics_proxy_->OnEncodedFrameTimeMeasured(kEncodeTimeMs, metrics);
VideoSendStream::Stats stats = statistics_proxy_->GetStats();
EXPECT_EQ(kEncodeTimeMs, stats.avg_encode_time_ms);
EXPECT_EQ(metrics.encode_usage_percent, stats.encode_usage_percent);
}
TEST_F(SendStatisticsProxyTest, SwitchContentTypeUpdatesHistograms) {
const int kWidth = 640;
const int kHeight = 480;
for (int i = 0; i < kMinRequiredSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);
// No switch, stats not should be updated.
statistics_proxy_->SetContentType(
VideoEncoderConfig::ContentType::kRealtimeVideo);
EXPECT_EQ(0, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
// Switch to screenshare, real-time stats should be updated.
statistics_proxy_->SetContentType(VideoEncoderConfig::ContentType::kScreen);
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.InputWidthInPixels"));
}
TEST_F(SendStatisticsProxyTest, VerifyQpHistogramStats_Vp8) {
EncodedImage encoded_image;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
for (int i = 0; i < kMinRequiredSamples; ++i) {
codec_info.codecSpecific.VP8.simulcastIdx = 0;
encoded_image.qp_ = kQpIdx0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
codec_info.codecSpecific.VP8.simulcastIdx = 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 < kMinRequiredSamples; ++i) {
codec_info.codecSpecific.VP8.simulcastIdx = 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 < kMinRequiredSamples; ++i) {
encoded_image.qp_ = kQpIdx0;
codec_info.codecSpecific.VP9.spatial_idx = 0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
encoded_image.qp_ = kQpIdx1;
codec_info.codecSpecific.VP9.spatial_idx = 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 < kMinRequiredSamples; ++i) {
encoded_image.qp_ = kQpIdx0;
codec_info.codecSpecific.VP9.spatial_idx = 0;
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, NoSubstreams) {
uint32_t excluded_ssrc =
std::max(
*std::max_element(config_.rtp.ssrcs.begin(), config_.rtp.ssrcs.end()),
*std::max_element(config_.rtp.rtx.ssrcs.begin(),
config_.rtp.rtx.ssrcs.end())) +
1;
// From RtcpStatisticsCallback.
RtcpStatistics rtcp_stats;
RtcpStatisticsCallback* rtcp_callback = statistics_proxy_.get();
rtcp_callback->StatisticsUpdated(rtcp_stats, excluded_ssrc);
// From BitrateStatisticsObserver.
BitrateStatistics total;
BitrateStatistics retransmit;
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;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
codec_info.codecSpecific.VP8.simulcastIdx = 0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
codec_info.codecSpecific.VP8.simulcastIdx = 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.
codec_info.codecSpecific.VP8.simulcastIdx = 1;
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;
CodecSpecificInfo codec_info;
codec_info.codecType = kVideoCodecVP8;
codec_info.codecSpecific.VP8.simulcastIdx = 0;
statistics_proxy_->OnSendEncodedImage(encoded_image, &codec_info);
codec_info.codecSpecific.VP8.simulcastIdx = 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) {
BitrateStatistics bitrate;
bitrate.bitrate_bps = 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.bitrate_bps),
stats.substreams[config_.rtp.ssrcs[0]].total_bitrate_bps);
EXPECT_EQ(static_cast<int>(bitrate.bitrate_bps),
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.
statistics_proxy_->SetContentType(VideoEncoderConfig::ContentType::kScreen);
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, ResetsRtpCountersOnContentChange) {
StreamDataCountersCallback* proxy =
static_cast<StreamDataCountersCallback*>(statistics_proxy_.get());
StreamDataCounters counters;
StreamDataCounters rtx_counters;
counters.first_packet_time_ms = fake_clock_.TimeInMilliseconds();
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kSecondSsrc);
proxy->DataCountersUpdated(rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(rtx_counters, kSecondRtxSsrc);
counters.transmitted.header_bytes = 400;
counters.transmitted.packets = 20;
counters.transmitted.padding_bytes = 1000;
counters.transmitted.payload_bytes = 2000;
counters.retransmitted.header_bytes = 40;
counters.retransmitted.packets = 2;
counters.retransmitted.padding_bytes = 100;
counters.retransmitted.payload_bytes = 200;
counters.fec = counters.retransmitted;
rtx_counters.transmitted = counters.transmitted;
fake_clock_.AdvanceTimeMilliseconds(1000 * metrics::kMinRunTimeInSeconds);
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.
statistics_proxy_->SetContentType(VideoEncoderConfig::ContentType::kScreen);
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.BitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.BitrateSentInKbps",
static_cast<int>((counters.transmitted.TotalBytes() * 4 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.MediaBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.MediaBitrateSentInKbps",
static_cast<int>((counters.MediaPayloadBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.PaddingBitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.PaddingBitrateSentInKbps",
static_cast<int>((counters.transmitted.padding_bytes * 4 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.RetransmittedBitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.RetransmittedBitrateSentInKbps",
static_cast<int>((counters.retransmitted.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.RtxBitrateSentInKbps"));
EXPECT_EQ(
1, metrics::NumEvents(
"WebRTC.Video.RtxBitrateSentInKbps",
static_cast<int>((rtx_counters.transmitted.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples("WebRTC.Video.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.FecBitrateSentInKbps",
static_cast<int>((rtx_counters.fec.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
// New start time but same counter values.
proxy->DataCountersUpdated(counters, kFirstSsrc);
proxy->DataCountersUpdated(counters, kSecondSsrc);
proxy->DataCountersUpdated(rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(rtx_counters, kSecondRtxSsrc);
// Double counter values, this should result in the same counts as before but
// with new histogram names.
StreamDataCounters new_counters = counters;
new_counters.Add(counters);
StreamDataCounters new_rtx_counters = rtx_counters;
new_rtx_counters.Add(rtx_counters);
fake_clock_.AdvanceTimeMilliseconds(1000 * metrics::kMinRunTimeInSeconds);
proxy->DataCountersUpdated(new_counters, kFirstSsrc);
proxy->DataCountersUpdated(new_counters, kSecondSsrc);
proxy->DataCountersUpdated(new_rtx_counters, kFirstRtxSsrc);
proxy->DataCountersUpdated(new_rtx_counters, kSecondRtxSsrc);
SetUp(); // Reset stats proxy also causes histograms to be reported.
EXPECT_EQ(1,
metrics::NumSamples("WebRTC.Video.Screenshare.BitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.Screenshare.BitrateSentInKbps",
static_cast<int>((counters.transmitted.TotalBytes() * 4 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.MediaBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.MediaBitrateSentInKbps",
static_cast<int>((counters.MediaPayloadBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.PaddingBitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.Screenshare.PaddingBitrateSentInKbps",
static_cast<int>((counters.transmitted.padding_bytes * 4 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(1, metrics::NumSamples(
"WebRTC.Video.Screenshare.RetransmittedBitrateSentInKbps"));
EXPECT_EQ(1,
metrics::NumEvents(
"WebRTC.Video.Screenshare.RetransmittedBitrateSentInKbps",
static_cast<int>((counters.retransmitted.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.Screenshare.RtxBitrateSentInKbps"));
EXPECT_EQ(
1, metrics::NumEvents(
"WebRTC.Video.Screenshare.RtxBitrateSentInKbps",
static_cast<int>((rtx_counters.transmitted.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
EXPECT_EQ(
1, metrics::NumSamples("WebRTC.Video.Screenshare.FecBitrateSentInKbps"));
EXPECT_EQ(1, metrics::NumEvents(
"WebRTC.Video.Screenshare.FecBitrateSentInKbps",
static_cast<int>((rtx_counters.fec.TotalBytes() * 2 * 8) /
metrics::kMinRunTimeInSeconds / 1000)));
}
} // namespace webrtc
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