Add number of quality adapt changes to VideoSendStream stats.

The stats will be used in an upcoming cl to track the rate of adapt changes.

BUG=webrtc:6634

Review-Url: https://codereview.webrtc.org/2775173004
Cr-Commit-Position: refs/heads/master@{#17528}
This commit is contained in:
asapersson 2017-04-04 05:51:49 -07:00 committed by Commit bot
parent e3aa88bbd5
commit fab67071a4
4 changed files with 163 additions and 116 deletions

View File

@ -706,6 +706,7 @@ void SendStatisticsProxy::OnCpuRestrictedResolutionChanged(
void SendStatisticsProxy::OnQualityRestrictedResolutionChanged(
int num_quality_downscales) {
rtc::CritScope lock(&crit_);
++stats_.number_of_quality_adapt_changes;
quality_downscales_ = num_quality_downscales;
stats_.bw_limited_resolution = quality_downscales_ > 0;
}

View File

@ -385,6 +385,40 @@ TEST_F(SendStatisticsProxyTest, SetQualityScalingUpdatesStats) {
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsCpuResolutionChanges) {
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
statistics_proxy_->OnCpuRestrictedResolutionChanged(true);
EXPECT_TRUE(statistics_proxy_->GetStats().cpu_limited_resolution);
EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
statistics_proxy_->OnCpuRestrictedResolutionChanged(false);
EXPECT_FALSE(statistics_proxy_->GetStats().cpu_limited_resolution);
EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_cpu_adapt_changes);
}
TEST_F(SendStatisticsProxyTest, GetStatsReportsQualityResolutionChanges) {
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(0, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
statistics_proxy_->OnQualityRestrictedResolutionChanged(1);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(1, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
statistics_proxy_->OnQualityRestrictedResolutionChanged(2);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(2, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
statistics_proxy_->OnQualityRestrictedResolutionChanged(1);
EXPECT_TRUE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(3, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
statistics_proxy_->OnQualityRestrictedResolutionChanged(0);
EXPECT_FALSE(statistics_proxy_->GetStats().bw_limited_resolution);
EXPECT_EQ(4, statistics_proxy_->GetStats().number_of_quality_adapt_changes);
}
TEST_F(SendStatisticsProxyTest, SwitchContentTypeUpdatesHistograms) {
for (int i = 0; i < SendStatisticsProxy::kMinRequiredMetricsSamples; ++i)
statistics_proxy_->OnIncomingFrame(kWidth, kHeight);

View File

@ -131,14 +131,14 @@ class VideoStreamFactory
class AdaptingFrameForwarder : public test::FrameForwarder {
public:
AdaptingFrameForwarder() : adaptation_enabled_(false) {}
virtual ~AdaptingFrameForwarder() {}
~AdaptingFrameForwarder() override {}
void set_adaptation_enabled(bool enabled) {
rtc::CritScope cs(&crit_);
adaptation_enabled_ = enabled;
}
bool adaption_enabled() {
bool adaption_enabled() const {
rtc::CritScope cs(&crit_);
return adaptation_enabled_;
}
@ -290,7 +290,7 @@ class ViEEncoderTest : public ::testing::Test {
: FakeEncoder(Clock::GetRealTimeClock()),
continue_encode_event_(false, false) {}
VideoCodec codec_config() {
VideoCodec codec_config() const {
rtc::CritScope lock(&crit_sect_);
return config_;
}
@ -431,12 +431,12 @@ class ViEEncoderTest : public ::testing::Test {
expect_frames_ = false;
}
int number_of_reconfigurations() {
int number_of_reconfigurations() const {
rtc::CritScope lock(&crit_);
return number_of_reconfigurations_;
}
int last_min_transmit_bitrate() {
int last_min_transmit_bitrate() const {
rtc::CritScope lock(&crit_);
return min_transmit_bitrate_bps_;
}
@ -874,14 +874,47 @@ TEST_F(ViEEncoderTest, SinkWantsStoredByDegradationPreference) {
vie_encoder_->Stop();
}
TEST_F(ViEEncoderTest, StatsTracksAdaptationStats) {
TEST_F(ViEEncoderTest, StatsTracksQualityAdaptationStats) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
int frame_width = 1280;
int frame_height = 720;
const int kWidth = 1280;
const int kHeight = 720;
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.bw_limited_resolution);
EXPECT_EQ(0, stats.number_of_quality_adapt_changes);
// Trigger adapt down.
vie_encoder_->TriggerQualityLow();
video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight));
sink_.WaitForEncodedFrame(2);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.bw_limited_resolution);
EXPECT_EQ(1, stats.number_of_quality_adapt_changes);
// Trigger adapt up.
vie_encoder_->TriggerQualityHigh();
video_source_.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight));
sink_.WaitForEncodedFrame(3);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.bw_limited_resolution);
EXPECT_EQ(2, stats.number_of_quality_adapt_changes);
EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
vie_encoder_->Stop();
}
TEST_F(ViEEncoderTest, StatsTracksCpuAdaptationStats) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
const int kWidth = 1280;
const int kHeight = 720;
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
@ -889,8 +922,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStats) {
// Trigger CPU overuse.
vie_encoder_->TriggerCpuOveruse();
video_source_.IncomingCapturedFrame(
CreateFrame(2, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight));
sink_.WaitForEncodedFrame(2);
stats = stats_proxy_->GetStats();
@ -899,13 +931,13 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStats) {
// Trigger CPU normal use.
vie_encoder_->TriggerCpuNormalUsage();
video_source_.IncomingCapturedFrame(
CreateFrame(3, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight));
sink_.WaitForEncodedFrame(3);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_EQ(2, stats.number_of_cpu_adapt_changes);
EXPECT_EQ(0, stats.number_of_quality_adapt_changes);
vie_encoder_->Stop();
}
@ -913,20 +945,17 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStats) {
TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
int frame_width = 1280;
int frame_height = 720;
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
const int kWidth = 1280;
const int kHeight = 720;
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
// Trigger CPU overuse.
vie_encoder_->TriggerCpuOveruse();
video_source_.IncomingCapturedFrame(
CreateFrame(2, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight));
sink_.WaitForEncodedFrame(2);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.cpu_limited_resolution);
@ -938,8 +967,7 @@ TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) {
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainFramerate);
new_video_source.IncomingCapturedFrame(
CreateFrame(3, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight));
sink_.WaitForEncodedFrame(3);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.cpu_limited_resolution);
@ -950,8 +978,7 @@ TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) {
&new_video_source,
VideoSendStream::DegradationPreference::kDegradationDisabled);
new_video_source.IncomingCapturedFrame(
CreateFrame(4, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight));
sink_.WaitForEncodedFrame(4);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
@ -962,17 +989,15 @@ TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) {
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainFramerate);
new_video_source.IncomingCapturedFrame(
CreateFrame(5, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight));
sink_.WaitForEncodedFrame(5);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.cpu_limited_resolution);
EXPECT_EQ(1, stats.number_of_cpu_adapt_changes);
// Trigger CPU normal use.
vie_encoder_->TriggerCpuNormalUsage();
new_video_source.IncomingCapturedFrame(
CreateFrame(6, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(6, kWidth, kHeight));
sink_.WaitForEncodedFrame(6);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
@ -984,60 +1009,59 @@ TEST_F(ViEEncoderTest, SwitchingSourceKeepsCpuAdaptation) {
TEST_F(ViEEncoderTest, SwitchingSourceKeepsQualityAdaptation) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
int frame_width = 1280;
int frame_height = 720;
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
const int kWidth = 1280;
const int kHeight = 720;
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_FALSE(stats.bw_limited_resolution);
EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
EXPECT_EQ(0, stats.number_of_quality_adapt_changes);
// Set new source with adaptation still enabled.
test::FrameForwarder new_video_source;
vie_encoder_->SetSource(&new_video_source,
VideoSendStream::DegradationPreference::kBalanced);
new_video_source.IncomingCapturedFrame(
CreateFrame(2, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight));
sink_.WaitForEncodedFrame(2);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_FALSE(stats.bw_limited_resolution);
EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
EXPECT_EQ(0, stats.number_of_quality_adapt_changes);
// Trigger adapt down.
vie_encoder_->TriggerQualityLow();
new_video_source.IncomingCapturedFrame(
CreateFrame(3, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight));
sink_.WaitForEncodedFrame(3);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_TRUE(stats.bw_limited_resolution);
EXPECT_EQ(1, stats.number_of_quality_adapt_changes);
// Set new source with adaptation still enabled.
vie_encoder_->SetSource(&new_video_source,
VideoSendStream::DegradationPreference::kBalanced);
new_video_source.IncomingCapturedFrame(
CreateFrame(4, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight));
sink_.WaitForEncodedFrame(4);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_TRUE(stats.bw_limited_resolution);
EXPECT_EQ(1, stats.number_of_quality_adapt_changes);
// Set adaptation disabled.
vie_encoder_->SetSource(
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainResolution);
new_video_source.IncomingCapturedFrame(
CreateFrame(5, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(5, kWidth, kHeight));
sink_.WaitForEncodedFrame(5);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
EXPECT_FALSE(stats.bw_limited_resolution);
EXPECT_EQ(1, stats.number_of_quality_adapt_changes);
EXPECT_EQ(0, stats.number_of_cpu_adapt_changes);
vie_encoder_->Stop();
}
@ -1088,12 +1112,11 @@ TEST_F(ViEEncoderTest, QualityAdaptationStatsAreResetWhenScalerIsDisabled) {
TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
int frame_width = 1280;
int frame_height = 720;
int kWidth = 1280;
int kHeight = 720;
int sequence = 1;
video_source_.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
@ -1102,8 +1125,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
// Trigger CPU overuse again, should now adapt down.
vie_encoder_->TriggerCpuOveruse();
video_source_.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
@ -1117,7 +1139,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
VideoSendStream::DegradationPreference::kMaintainFramerate);
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.cpu_limited_resolution);
@ -1128,7 +1150,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainResolution);
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
// Not adapted at first.
@ -1144,7 +1166,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
stats_proxy_->ResetMockStats();
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
// Framerate now adapted.
@ -1157,7 +1179,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
&new_video_source,
VideoSendStream::DegradationPreference::kDegradationDisabled);
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
@ -1177,8 +1199,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
vie_encoder_->SetSource(
&video_source_,
VideoSendStream::DegradationPreference::kMaintainFramerate);
video_source_.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
EXPECT_TRUE(stats.cpu_limited_resolution);
@ -1186,8 +1207,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
// Trigger CPU normal usage.
vie_encoder_->TriggerCpuNormalUsage();
video_source_.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
@ -1198,7 +1218,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainResolution);
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
// Disabled, since we previously switched the source too disabled.
@ -1208,7 +1228,7 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
// Trigger CPU normal usage.
vie_encoder_->TriggerCpuNormalUsage();
new_video_source.IncomingCapturedFrame(
CreateFrame(sequence, frame_width, frame_height));
CreateFrame(sequence, kWidth, kHeight));
sink_.WaitForEncodedFrame(sequence++);
stats = stats_proxy_->GetStats();
EXPECT_FALSE(stats.cpu_limited_resolution);
@ -1220,7 +1240,9 @@ TEST_F(ViEEncoderTest, StatsTracksAdaptationStatsWhenSwitchingSource) {
TEST_F(ViEEncoderTest, StatsTracksPreferredBitrate) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
video_source_.IncomingCapturedFrame(CreateFrame(1, 1280, 720));
const int kWidth = 1280;
const int kHeight = 720;
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
VideoSendStream::Stats stats = stats_proxy_->GetStats();
@ -1231,30 +1253,27 @@ TEST_F(ViEEncoderTest, StatsTracksPreferredBitrate) {
}
TEST_F(ViEEncoderTest, ScalingUpAndDownDoesNothingWithMaintainResolution) {
int frame_width = 1280;
int frame_height = 720;
const int kWidth = 1280;
const int kHeight = 720;
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
// Expect no scaling to begin with
// Expect no scaling to begin with.
EXPECT_FALSE(video_source_.sink_wants().target_pixel_count);
EXPECT_EQ(std::numeric_limits<int>::max(),
video_source_.sink_wants().max_pixel_count);
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
sink_.WaitForEncodedFrame(1);
// Trigger scale down
// Trigger scale down.
vie_encoder_->TriggerQualityLow();
video_source_.IncomingCapturedFrame(
CreateFrame(2, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(2, kWidth, kHeight));
sink_.WaitForEncodedFrame(2);
// Expect a scale down.
EXPECT_TRUE(video_source_.sink_wants().max_pixel_count);
EXPECT_LT(video_source_.sink_wants().max_pixel_count,
frame_width * frame_height);
EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight);
// Set adaptation disabled.
test::FrameForwarder new_video_source;
@ -1262,20 +1281,18 @@ TEST_F(ViEEncoderTest, ScalingUpAndDownDoesNothingWithMaintainResolution) {
&new_video_source,
VideoSendStream::DegradationPreference::kMaintainResolution);
// Trigger scale down
// Trigger scale down.
vie_encoder_->TriggerQualityLow();
new_video_source.IncomingCapturedFrame(
CreateFrame(3, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(3, kWidth, kHeight));
sink_.WaitForEncodedFrame(3);
// Expect no scaling
// Expect no scaling.
EXPECT_EQ(std::numeric_limits<int>::max(),
new_video_source.sink_wants().max_pixel_count);
// Trigger scale up
// Trigger scale up.
vie_encoder_->TriggerQualityHigh();
new_video_source.IncomingCapturedFrame(
CreateFrame(4, frame_width, frame_height));
new_video_source.IncomingCapturedFrame(CreateFrame(4, kWidth, kHeight));
sink_.WaitForEncodedFrame(4);
// Expect nothing to change, still no scaling
@ -1294,7 +1311,7 @@ TEST_F(ViEEncoderTest, DoesNotScaleBelowSetLimit) {
video_source_.IncomingCapturedFrame(
CreateFrame(i, frame_width, frame_height));
sink_.WaitForEncodedFrame(i);
// Trigger scale down
// Trigger scale down.
vie_encoder_->TriggerQualityLow();
EXPECT_GE(video_source_.sink_wants().max_pixel_count, kMinPixelsPerFrame);
}
@ -1305,20 +1322,18 @@ TEST_F(ViEEncoderTest, DoesNotScaleBelowSetLimit) {
TEST_F(ViEEncoderTest, UMACpuLimitedResolutionInPercent) {
vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
int frame_width = 640;
int frame_height = 360;
const int kWidth = 640;
const int kHeight = 360;
for (int i = 1; i <= SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
video_source_.IncomingCapturedFrame(
CreateFrame(i, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight));
sink_.WaitForEncodedFrame(i);
}
vie_encoder_->TriggerCpuOveruse();
for (int i = 1; i <= SendStatisticsProxy::kMinRequiredMetricsSamples; ++i) {
video_source_.IncomingCapturedFrame(
CreateFrame(SendStatisticsProxy::kMinRequiredMetricsSamples + i,
frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(
SendStatisticsProxy::kMinRequiredMetricsSamples + i, kWidth, kHeight));
sink_.WaitForEncodedFrame(SendStatisticsProxy::kMinRequiredMetricsSamples +
i);
}
@ -1378,12 +1393,12 @@ TEST_F(ViEEncoderTest, CallsBitrateObserver) {
}
TEST_F(ViEEncoderTest, DropsFramesAndScalesWhenBitrateIsTooLow) {
vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0);
int frame_width = 640;
int frame_height = 360;
const int kTooLowBitrateForFrameSizeBps = 10000;
vie_encoder_->OnBitrateUpdated(kTooLowBitrateForFrameSizeBps, 0, 0);
const int kWidth = 640;
const int kHeight = 360;
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
// Expect to drop this frame, the wait should time out.
sink_.ExpectDroppedFrame();
@ -1393,9 +1408,9 @@ TEST_F(ViEEncoderTest, DropsFramesAndScalesWhenBitrateIsTooLow) {
int last_pixel_count = video_source_.sink_wants().max_pixel_count;
// Next frame is scaled
// Next frame is scaled.
video_source_.IncomingCapturedFrame(
CreateFrame(2, frame_width * 3 / 4, frame_height * 3 / 4));
CreateFrame(2, kWidth * 3 / 4, kHeight * 3 / 4));
// Expect to drop this frame, the wait should time out.
sink_.ExpectDroppedFrame();
@ -1405,33 +1420,31 @@ TEST_F(ViEEncoderTest, DropsFramesAndScalesWhenBitrateIsTooLow) {
vie_encoder_->Stop();
}
TEST_F(ViEEncoderTest, NrOfDroppedFramesLimited) {
// 1kbps. This can never be achieved.
vie_encoder_->OnBitrateUpdated(1000, 0, 0);
int frame_width = 640;
int frame_height = 360;
TEST_F(ViEEncoderTest, NrOfDroppedFramesLimitedWhenBitrateIsTooLow) {
const int kTooLowBitrateForFrameSizeBps = 10000;
vie_encoder_->OnBitrateUpdated(kTooLowBitrateForFrameSizeBps, 0, 0);
const int kWidth = 640;
const int kHeight = 360;
// We expect the n initial frames to get dropped.
int i;
for (i = 1; i <= kMaxInitialFramedrop; ++i) {
video_source_.IncomingCapturedFrame(
CreateFrame(i, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight));
sink_.ExpectDroppedFrame();
}
// The n+1th frame should not be dropped, even though it's size is too large.
video_source_.IncomingCapturedFrame(
CreateFrame(i, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(i, kWidth, kHeight));
sink_.WaitForEncodedFrame(i);
// Expect the sink_wants to specify a scaled frame.
EXPECT_LT(video_source_.sink_wants().max_pixel_count, 1000 * 1000);
EXPECT_LT(video_source_.sink_wants().max_pixel_count, kWidth * kHeight);
vie_encoder_->Stop();
}
TEST_F(ViEEncoderTest, InitialFrameDropOffWithMaintainResolutionPreference) {
int frame_width = 640;
int frame_height = 360;
const int kWidth = 640;
const int kHeight = 360;
vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0);
// Set degradation preference.
@ -1439,8 +1452,7 @@ TEST_F(ViEEncoderTest, InitialFrameDropOffWithMaintainResolutionPreference) {
&video_source_,
VideoSendStream::DegradationPreference::kMaintainResolution);
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
// Frame should not be dropped, even if it's too large.
sink_.WaitForEncodedFrame(1);
@ -1448,16 +1460,15 @@ TEST_F(ViEEncoderTest, InitialFrameDropOffWithMaintainResolutionPreference) {
}
TEST_F(ViEEncoderTest, InitialFrameDropOffWhenEncoderDisabledScaling) {
int frame_width = 640;
int frame_height = 360;
const int kWidth = 640;
const int kHeight = 360;
fake_encoder_.SetQualityScaling(false);
vie_encoder_->OnBitrateUpdated(kLowTargetBitrateBps, 0, 0);
// Force quality scaler reconfiguration by resetting the source.
vie_encoder_->SetSource(&video_source_,
VideoSendStream::DegradationPreference::kBalanced);
video_source_.IncomingCapturedFrame(
CreateFrame(1, frame_width, frame_height));
video_source_.IncomingCapturedFrame(CreateFrame(1, kWidth, kHeight));
// Frame should not be dropped, even if it's too large.
sink_.WaitForEncodedFrame(1);
@ -1485,7 +1496,7 @@ TEST_F(ViEEncoderTest, AdaptsResolutionOnOveruse) {
CreateFrame(2, kFrameWidth, kFrameHeight));
sink_.WaitForEncodedFrame((kFrameWidth * 3) / 4, (kFrameHeight * 3) / 4);
// Trigger CPU normal use, return to original resolution;
// Trigger CPU normal use, return to original resolution.
vie_encoder_->TriggerCpuNormalUsage();
video_source_.IncomingCapturedFrame(
CreateFrame(3, kFrameWidth, kFrameHeight));

View File

@ -70,8 +70,9 @@ class VideoSendStream {
bool bw_limited_resolution = false;
bool cpu_limited_resolution = false;
// Total number of times resolution as been requested to be changed due to
// CPU adaptation.
// CPU/quality adaptation.
int number_of_cpu_adapt_changes = 0;
int number_of_quality_adapt_changes = 0;
std::map<uint32_t, StreamStats> substreams;
};