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Don't pace audio by default

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After experimentation, not pacing audio is better. This is controlled
by the field trial WebRTC-Pacer-BlockAudio. This change keeps the flag,
but changes the behaviour such that it defaults to Disabled. However,
audio can still be paced if one chooses by enabling the field trial.

Bug: webrtc:11257
Change-Id: I5b23a82bb6708c007cf8dfb40065c821eefdc4e3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165381
Commit-Queue: Evan Shrubsole <eshr@google.com>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Christoffer Rodbro <crodbro@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30262}
This commit is contained in:
Evan Shrubsole
2020-01-08 16:45:08 +01:00
committed by Commit Bot
parent 6dc06c8146
commit 6ef59d1ced
2 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
modules/pacing/pacing_controller_unittest.cc
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@ -367,7 +367,8 @@ TEST_P(PacingControllerFieldTrialTest, PaddingInSilenceWithTrial) {
pacer.ProcessPackets();
}
TEST_P(PacingControllerFieldTrialTest, DefaultCongestionWindowAffectsAudio) {
TEST_P(PacingControllerFieldTrialTest, CongestionWindowAffectsAudioInTrial) {
ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Enabled/");
EXPECT_CALL(callback_, SendPadding).Times(0);
PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
pacer.SetPacingRates(DataRate::kbps(10000), DataRate::Zero());
@ -394,8 +395,7 @@ TEST_P(PacingControllerFieldTrialTest, DefaultCongestionWindowAffectsAudio) {
}
TEST_P(PacingControllerFieldTrialTest,
CongestionWindowDoesNotAffectAudioInTrial) {
ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Disabled/");
DefaultCongestionWindowDoesNotAffectAudio) {
EXPECT_CALL(callback_, SendPadding).Times(0);
PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
pacer.SetPacingRates(DataRate::bps(10000000), DataRate::Zero());
@ -411,7 +411,8 @@ TEST_P(PacingControllerFieldTrialTest,
ProcessNext(&pacer);
}
TEST_P(PacingControllerFieldTrialTest, DefaultBudgetAffectsAudio) {
TEST_P(PacingControllerFieldTrialTest, BudgetAffectsAudioInTrial) {
ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Enabled/");
PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
DataRate pacing_rate =
DataRate::bps(video.packet_size / 3 * 8 * kProcessIntervalsPerSecond);
@ -440,8 +441,7 @@ TEST_P(PacingControllerFieldTrialTest, DefaultBudgetAffectsAudio) {
: PacingController::kMinSleepTime);
}
TEST_P(PacingControllerFieldTrialTest, BudgetDoesNotAffectAudioInTrial) {
ScopedFieldTrials trial("WebRTC-Pacer-BlockAudio/Disabled/");
TEST_P(PacingControllerFieldTrialTest, DefaultBudgetDoesNotAffectAudio) {
EXPECT_CALL(callback_, SendPadding).Times(0);
PacingController pacer(&clock_, &callback_, nullptr, nullptr, GetParam());
pacer.SetPacingRates(