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Add logging of delay-based bandwidth estimate.

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BUG=webrtc:6423

Review-Url: https://codereview.webrtc.org/2695923004
Cr-Commit-Position: refs/heads/master@{#16663}
This commit is contained in:
terelius
2017-02-17 03:38:28 -08:00
committed by Commit bot
parent 9c997a3b9e
commit 0baf55d23b
22 changed files with 305 additions and 22 deletions
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15
webrtc/modules/congestion_controller/delay_based_bwe.cc
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@ -18,6 +18,7 @@
#include "webrtc/base/constructormagic.h"
#include "webrtc/base/logging.h"
#include "webrtc/base/thread_annotations.h"
#include "webrtc/logging/rtc_event_log/rtc_event_log.h"
#include "webrtc/modules/congestion_controller/include/congestion_controller.h"
#include "webrtc/modules/pacing/paced_sender.h"
#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
@ -208,9 +209,10 @@ rtc::Optional<uint32_t> DelayBasedBwe::BitrateEstimator::bitrate_bps() const {
return rtc::Optional<uint32_t>(bitrate_estimate_ * 1000);
}
DelayBasedBwe::DelayBasedBwe(Clock* clock)
DelayBasedBwe::DelayBasedBwe(RtcEventLog* event_log, Clock* clock)
: in_trendline_experiment_(TrendlineFilterExperimentIsEnabled()),
in_median_slope_experiment_(MedianSlopeFilterExperimentIsEnabled()),
event_log_(event_log),
clock_(clock),
inter_arrival_(),
kalman_estimator_(),
@ -226,7 +228,9 @@ DelayBasedBwe::DelayBasedBwe(Clock* clock)
probing_interval_estimator_(&rate_control_),
median_slope_window_size_(kDefaultMedianSlopeWindowSize),
median_slope_threshold_gain_(kDefaultMedianSlopeThresholdGain),
consecutive_delayed_feedbacks_(0) {
consecutive_delayed_feedbacks_(0),
last_logged_bitrate_(0),
last_logged_state_(kBwNormal) {
if (in_trendline_experiment_) {
ReadTrendlineFilterExperimentParameters(&trendline_window_size_,
&trendline_smoothing_coeff_,
@ -389,6 +393,13 @@ DelayBasedBwe::Result DelayBasedBwe::IncomingPacketInfo(
last_update_ms_ = now_ms;
BWE_TEST_LOGGING_PLOT(1, "target_bitrate_bps", now_ms,
result.target_bitrate_bps);
if (event_log_ && (result.target_bitrate_bps != last_logged_bitrate_ ||
detector_.State() != last_logged_state_)) {
event_log_->LogBwePacketDelayEvent(result.target_bitrate_bps,
detector_.State());
last_logged_bitrate_ = result.target_bitrate_bps;
last_logged_state_ = detector_.State();
}
}
return result;