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Revert "Add ability to cap the video jitter estimate to a max value."

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This reverts commit a8ae407a480a2a9982eecf9e3a9b10da5373cd9a.

Reason for revert: This CL incorrectly affects non-experiment branch.  A new CL affecting only the experiment will be uploaded.

Original change's description:
> Add ability to cap the video jitter estimate to a max value.
>
> Bug: webrtc:10572
> Change-Id: I21112824dc02afa71db61bb8c2f02723e8b325b6
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133963
> Commit-Queue: Michael Horowitz <mhoro@webrtc.org>
> Reviewed-by: Stefan Holmer <stefan@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#27744}

TBR=stefan@webrtc.org,mhoro@webrtc.org

Bug: webrtc:10572
Change-Id: I4af334168ca70ecfae7fd18fc7c852819a98d866
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138063
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Michael Horowitz <mhoro@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Stefan Holmer <stefan@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28025}
This commit is contained in:
Stefan Holmer
2019-05-22 16:06:14 +02:00
committed by Commit Bot
parent 040dc4388b
commit 4ed7e511f6
5 changed files with 7 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
modules/video_coding/frame_buffer2.cc
View File

@ -299,14 +299,10 @@ EncodedFrame* FrameBuffer::GetNextFrame() {
}
float rtt_mult = protection_mode_ == kProtectionNackFEC ? 0.0 : 1.0;
float jitter_est_cap_ms = 300.0;
if (RttMultExperiment::RttMultEnabled()) {
rtt_mult = RttMultExperiment::GetRttMultValue();
// TODO(mhoro): add RttMultExperiment::GetJitterEstCapValue();
jitter_est_cap_ms = 300.0;
}
timing_->SetJitterDelay(
jitter_estimator_.GetJitterEstimate(rtt_mult, jitter_est_cap_ms));
timing_->SetJitterDelay(jitter_estimator_.GetJitterEstimate(rtt_mult));
timing_->UpdateCurrentDelay(render_time_ms, now_ms);
} else {
if (RttMultExperiment::RttMultEnabled() || add_rtt_to_playout_delay_)

3
modules/video_coding/jitter_buffer.cc
View File

@ -582,8 +582,7 @@ void VCMJitterBuffer::FindAndInsertContinuousFramesWithState(
uint32_t VCMJitterBuffer::EstimatedJitterMs() {
rtc::CritScope cs(&crit_sect_);
const double rtt_mult = 1.0f;
const double jitter_est_cap_ms = 300.0f;
return jitter_estimate_.GetJitterEstimate(rtt_mult, jitter_est_cap_ms);
return jitter_estimate_.GetJitterEstimate(rtt_mult);
}
void VCMJitterBuffer::SetNackSettings(size_t max_nack_list_size,

7
modules/video_coding/jitter_estimator.cc
View File

@ -374,8 +374,7 @@ void VCMJitterEstimator::UpdateRtt(int64_t rttMs) {
// Returns the current filtered estimate if available,
// otherwise tries to calculate an estimate.
int VCMJitterEstimator::GetJitterEstimate(double rttMultiplier,
double jitterEstCapMs) {
int VCMJitterEstimator::GetJitterEstimate(double rttMultiplier) {
double jitterMS = CalculateEstimate() + OPERATING_SYSTEM_JITTER;
uint64_t now = clock_->TimeInMicroseconds();
@ -384,10 +383,8 @@ int VCMJitterEstimator::GetJitterEstimate(double rttMultiplier,
if (_filterJitterEstimate > jitterMS)
jitterMS = _filterJitterEstimate;
if (_nackCount >= _nackLimit) {
if (_nackCount >= _nackLimit)
jitterMS += _rttFilter.RttMs() * rttMultiplier;
jitterMS = std::min(jitterMS, jitterEstCapMs);
}
static const double kJitterScaleLowThreshold = 5.0;
static const double kJitterScaleHighThreshold = 10.0;

2
modules/video_coding/jitter_estimator.h
View File

@ -46,7 +46,7 @@ class VCMJitterEstimator {
// - rttMultiplier : RTT param multiplier (when applicable).
//
// Return value : Jitter estimate in milliseconds.
virtual int GetJitterEstimate(double rttMultiplier, double jitterEstCapMs);
virtual int GetJitterEstimate(double rttMultiplier);
// Updates the nack counter.
void FrameNacked();

4
modules/video_coding/jitter_estimator_tests.cc
View File

@ -67,7 +67,7 @@ TEST_F(TestVCMJitterEstimator, TestLowRate) {
estimator_->UpdateEstimate(gen.Delay(), gen.FrameSize());
AdvanceClock(time_delta_us);
if (i > 2)
EXPECT_EQ(estimator_->GetJitterEstimate(0, 300), 0);
EXPECT_EQ(estimator_->GetJitterEstimate(0), 0);
gen.Advance();
}
}
@ -98,7 +98,7 @@ TEST_F(TestVCMJitterEstimator, TestUpperBound) {
estimator_->UpdateEstimate(gen.Delay(), gen.FrameSize());
AdvanceClock(time_delta_us);
context.percentiles.Add(
static_cast<uint32_t>(estimator_->GetJitterEstimate(0, 300)));
static_cast<uint32_t>(estimator_->GetJitterEstimate(0)));
gen.Advance();
}
}