| #!/usr/bin/env vpython3 |
| |
| # Copyright (c) 2022 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. |
| |
| import datetime |
| from datetime import date |
| import hashlib |
| import sys |
| from typing import FrozenSet, List, Set |
| |
| import argparse |
| import dataclasses |
| |
| |
| @dataclasses.dataclass(frozen=True) |
| class FieldTrial: |
| """Representation of all attributes associated with a field trial. |
| |
| Attributes: |
| key: Field trial key. |
| bug_id: Associated open bug containing more context. |
| end_date: Date when the field trial expires and must be deleted. |
| """ |
| key: str |
| bug_id: int |
| end_date: date |
| |
| def bug_url(self) -> str: |
| if self.bug_id <= 0: |
| return '' |
| return f'https://issues.webrtc.org/issues/{self.bug_id}' |
| |
| |
| # As per the policy in `g3doc/field-trials.md`, all field trials should be |
| # registered in the container below. |
| ACTIVE_FIELD_TRIALS: FrozenSet[FieldTrial] = frozenset([ |
| # keep-sorted start |
| FieldTrial('WebRTC-Aec3BufferingMaxAllowedExcessRenderBlocksOverride', |
| 337900458, |
| date(2024, 9, 1)), |
| FieldTrial('WebRTC-Audio-GainController2', |
| 42232605, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-OpusGeneratePlc', |
| 42223518, |
| date(2025, 4, 1)), |
| FieldTrial('WebRTC-Audio-PriorityBitrate', |
| 42226125, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AV1-OverridePriorityBitrate', |
| 42226119, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Av1-GetEncoderInfoOverride', |
| 42225234, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BitrateAdjusterUseNewfangledHeadroomAdjustment', |
| 349561566, |
| date(2025, 8, 26)), |
| FieldTrial('WebRTC-Bwe-LimitPacingFactorByUpperLinkCapacityEstimate', |
| 42220543, |
| date(2025, 1, 1)), |
| FieldTrial('WebRTC-Bwe-ResetOnAdapterIdChange', |
| 42225231, |
| date(2025, 5, 30)), |
| FieldTrial('WebRTC-DataChannelMessageInterleaving', |
| 41481008, |
| date(2024, 10, 1)), |
| FieldTrial('WebRTC-DisableRtxRateLimiter', |
| 42225500, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-EncoderDataDumpDirectory', |
| 296242528, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-FrameCadenceAdapter-UseVideoFrameTimestamp', |
| 42226256, |
| date(2024, 10, 1)), |
| FieldTrial('WebRTC-IPv6NetworkResolutionFixes', |
| 42224598, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-IncomingTimestampOnMarkerBitOnly', |
| 42224805, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-IncreaseIceCandidatePriorityHostSrflx', |
| 42225331, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-JitterEstimatorConfig', |
| 42224404, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-LibaomAv1Encoder-MaxConsecFrameDrop', |
| 42226184, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-LibvpxVp9Encoder-SvcFrameDropConfig', |
| 42226190, |
| date(2024, 9, 1)), |
| FieldTrial('WebRTC-LibvpxVp8Encoder-AndroidSpecificThreadingSettings', |
| 42226191, |
| date(2024, 9, 1)), |
| FieldTrial('WebRTC-Pacer-FastRetransmissions', |
| 40235589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Pacer-KeyframeFlushing', |
| 42221435, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-PermuteTlsClientHello', |
| 42225803, |
| date(2024, 7, 1)), |
| FieldTrial('WebRTC-QCM-Dynamic-AV1', |
| 349860657, |
| date(2025, 7, 1)), |
| FieldTrial('WebRTC-QCM-Dynamic-VP8', |
| 349860657, |
| date(2025, 7, 1)), |
| FieldTrial('WebRTC-QCM-Dynamic-VP9', |
| 349860657, |
| date(2025, 7, 1)), |
| FieldTrial('WebRTC-ReceiveBufferSize', |
| 42225927, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-RFC8888CongestionControlFeedback', |
| 42225697, |
| date(2025, 1, 30)), |
| FieldTrial('WebRTC-RtcEventLogEncodeDependencyDescriptor', |
| 42225280, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-RtcEventLogEncodeNetEqSetMinimumDelayKillSwitch', |
| 42225058, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SetCodecPreferences-ReceiveOnlyFilterInsteadOfThrow', |
| 40644399, |
| date(2024, 12, 1)), |
| FieldTrial('WebRTC-SrtpRemoveReceiveStream', |
| 42225949, |
| date(2024, 10, 1)), |
| FieldTrial('WebRTC-TaskQueue-ReplaceLibeventWithStdlib', |
| 42224654, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-UseNtpTimeAbsoluteSendTime', |
| 42226305, |
| date(2024, 9, 1)), |
| FieldTrial('WebRTC-VP8-MaxFrameInterval', |
| 42225870, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-AV1EvenPayloadSizes', |
| 42226301, |
| date(2024, 11, 1)), |
| FieldTrial('WebRTC-Video-EnableRetransmitAllLayers', |
| 42225262, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-EncoderFallbackSettings', |
| 42231704, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-SimulcastIndependentFrameIds', |
| 42226243, |
| date(2024, 12, 1)), |
| FieldTrial('WebRTC-VideoEncoderSettings', |
| 40252667, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ZeroHertzQueueOverload', |
| 42225879, |
| date(2024, 7, 1)), |
| FieldTrial('WebRTC-Video-H26xPacketBuffer', |
| 41480904, |
| date(2024, 6, 1)), |
| FieldTrial('WebRTC-Video-Vp9FlexibleMode', |
| 329396373, |
| date(2025, 6, 26)), |
| # keep-sorted end |
| ]) # yapf: disable |
| |
| NO_BUG = -1 |
| INDEFINITE = date(datetime.MAXYEAR, 1, 1) |
| |
| # These field trials precedes the policy in `g3doc/field-trials.md` and are |
| # therefore not required to follow it. Do not add any new field trials here. |
| # If you remove an entry you should also update |
| # POLICY_EXEMPT_FIELD_TRIALS_DIGEST. |
| POLICY_EXEMPT_FIELD_TRIALS: FrozenSet[FieldTrial] = frozenset([ |
| # keep-sorted start |
| FieldTrial('WebRTC-AddNetworkCostToVpn', |
| 42223280, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AddPacingToCongestionWindowPushback', |
| 42220204, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AdjustOpusBandwidth', |
| 42233664, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3AecStateFullResetKillSwitch', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3AecStateSubtractorAnalyzerResetKillSwitch', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3AntiHowlingMinimizationKillSwitch', |
| 150764764, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3ClampInstQualityToOneKillSwitch', |
| 42220991, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3ClampInstQualityToZeroKillSwitch', |
| 42220991, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3CoarseFilterResetHangoverKillSwitch', |
| 42222401, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3ConservativeTailFreqResponse', |
| 42223361, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3DeactivateInitialStateResetKillSwitch', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3DelayEstimateSmoothingDelayFoundOverride', |
| 42222934, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3DelayEstimateSmoothingOverride', |
| 42222934, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3EchoSaturationDetectionKillSwitch', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceCaptureDelayEstimationDownmixing', |
| 42221238, |
| INDEFINITE), |
| FieldTrial( |
| 'WebRTC-Aec3EnforceCaptureDelayEstimationLeftRightPrioritization', |
| 42221238, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceConservativeHfSuppression', |
| 42222109, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3EnforceLowActiveRenderLimit', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceMoreTransparentNearendSuppressorHfTuning', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceMoreTransparentNearendSuppressorTuning', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceMoreTransparentNormalSuppressorHfTuning', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceMoreTransparentNormalSuppressorTuning', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceRapidlyAdjustingNearendSuppressorTunings', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceRapidlyAdjustingNormalSuppressorTunings', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceRenderDelayEstimationDownmixing', |
| 42221238, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceSlowlyAdjustingNearendSuppressorTunings', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceSlowlyAdjustingNormalSuppressorTunings', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceStationarityProperties', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceStationarityPropertiesAtInit', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3EnforceVeryLowActiveRenderLimit', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3HighPassFilterEchoReference', |
| 42222401, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3MinErleDuringOnsetsKillSwitch', |
| 42220385, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3NonlinearModeReverbKillSwitch', |
| 42222109, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3OnsetDetectionKillSwitch', |
| 42221578, |
| INDEFINITE), |
| FieldTrial( |
| 'WebRTC-Aec3RenderDelayEstimationLeftRightPrioritizationKillSwitch', |
| 42221238, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SensitiveDominantNearendActivation', |
| 42221578, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SetupSpecificDefaultConfigDefaultsKillSwitch', |
| 42221236, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3ShortHeadroomKillSwitch', |
| 42220385, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3StereoContentDetectionKillSwitch', |
| 42225201, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorAntiHowlingGainOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorDominantNearendEnrExitThresholdOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorDominantNearendEnrThresholdOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorDominantNearendHoldDurationOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorDominantNearendSnrThresholdOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorDominantNearendTriggerThresholdOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorNearendHfMaskSuppressOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorNearendHfMaskTransparentOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorNearendLfMaskSuppressOverride', |
| 42221589, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3SuppressorNearendLfMaskTransparentOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNearendMaxDecFactorLfOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNearendMaxIncFactorOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalHfMaskSuppressOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalHfMaskTransparentOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalLfMaskSuppressOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalLfMaskTransparentOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalMaxDecFactorLfOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorNormalMaxIncFactorOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3SuppressorTuningOverride', |
| 42221589, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3TransparentAntiHowlingGain', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3TransparentModeHmm', |
| 42222401, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3TransparentModeKillSwitch', |
| 42234438, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3Use1Dot2SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3Use1Dot6SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3Use2Dot0SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseDot1SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseDot2SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseDot3SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseDot6SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseDot9SecondsInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseErleOnsetCompensationInDominantNearend', |
| 42222842, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseLowEarlyReflectionsDefaultGain', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseLowLateReflectionsDefaultGain', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseNearendReverbLen', |
| 42223329, |
| INDEFINITE), |
| FieldTrial('WebRTC-Aec3UseShortConfigChangeDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3UseZeroInitialStateDuration', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Aec3VerySensitiveDominantNearendActivation', |
| 42221578, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Agc2SimdAvx2KillSwitch', |
| 42232605, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Agc2SimdNeonKillSwitch', |
| 42232605, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Agc2SimdSse2KillSwitch', |
| 42232605, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AllowMACBasedIPv6', |
| 41480878, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AlrDetectorParameters', |
| 42220590, |
| INDEFINITE), |
| FieldTrial('WebRTC-AndroidNetworkMonitor-IsAdapterAvailable', |
| 42223964, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ApmExperimentalMultiChannelCaptureKillSwitch', |
| 42225202, |
| INDEFINITE), |
| FieldTrial('WebRTC-ApmExperimentalMultiChannelRenderKillSwitch', |
| 42225203, |
| INDEFINITE), |
| FieldTrial('WebRTC-Audio-2ndAgcMinMicLevelExperiment', |
| 40207112, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-ABWENoTWCC', |
| 42233370, |
| INDEFINITE), |
| FieldTrial('WebRTC-Audio-AdaptivePtime', |
| 40694579, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-Allocation', |
| 42220324, |
| INDEFINITE), |
| FieldTrial('WebRTC-Audio-AlrProbing', |
| 42220234, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-FecAdaptation', |
| 42233254, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-LegacyOverhead', |
| 42221084, |
| INDEFINITE), |
| FieldTrial('WebRTC-Audio-MinimizeResamplingOnMobile', |
| 42231221, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-NetEqDecisionLogicConfig', |
| 42223518, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-NetEqDelayManagerConfig', |
| 42220376, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-NetEqNackTrackerConfig', |
| 42220211, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-NetEqSmartFlushing', |
| 42222334, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-OpusAvoidNoisePumpingDuringDtx', |
| 42222522, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-OpusBitrateMultipliers', |
| 42221139, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-OpusPlcUsePrevDecodedSamples', |
| 143582588, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-Red-For-Opus', |
| 42221750, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Audio-StableTargetAdaptation', |
| 42221061, |
| INDEFINITE), |
| FieldTrial('WebRTC-Audio-iOS-Holding', |
| 42233253, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-AudioDevicePlayoutBufferSizeFactor', |
| 42221006, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BindUsingInterfaceName', |
| 42220770, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-AllocationProbing', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-AlrProbing', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-EstimateBoundedIncrease', |
| 42220543, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-ExponentialProbing', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-IgnoreProbesLowerThanNetworkStateEstimate', |
| 42220543, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-InitialProbing', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-InjectedCongestionController', |
| 'webrtc:8415', |
| INDEFINITE), |
| FieldTrial('WebRTC-Bwe-LimitProbesLowerThanThroughputEstimate', |
| 42221601, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-LossBasedBweV2', |
| 42222865, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-LossBasedControl', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-MaxRttLimit', |
| 42234928, |
| INDEFINITE), |
| FieldTrial('WebRTC-Bwe-MinAllocAsLowerBound', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-NetworkRouteConstraints', |
| 42221535, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-NoFeedbackReset', |
| 42234928, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-PaceAtMaxOfBweAndLowerLinkCapacity', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-ProbingBehavior', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-ProbingConfiguration', |
| 42220440, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-ReceiveTimeFix', |
| 42234228, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-ReceiverLimitCapsOnly', |
| 42222445, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-RobustThroughputEstimatorSettings', |
| 42220312, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-SafeResetOnRouteChange', |
| 42234928, |
| INDEFINITE), |
| FieldTrial('WebRTC-Bwe-SeparateAudioPackets', |
| 42221011, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Bwe-TrendlineEstimatorSettings', |
| 42221011, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BweBackOffFactor', |
| 42233342, |
| INDEFINITE), |
| FieldTrial('WebRTC-BweLossExperiment', |
| 42230863, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BweRapidRecoveryExperiment', |
| 42233136, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BweThroughputWindowConfig', |
| 42220312, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-BweWindowSizeInPackets', |
| 42233342, |
| INDEFINITE), |
| FieldTrial('WebRTC-CongestionWindow', |
| 42225197, |
| INDEFINITE), |
| FieldTrial('WebRTC-CpuLoadEstimator', |
| 42233645, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Debugging-RtpDump', |
| 42220735, |
| INDEFINITE), |
| FieldTrial('WebRTC-DecoderDataDumpDirectory', |
| 42224491, |
| INDEFINITE), |
| FieldTrial('WebRTC-DefaultBitrateLimitsKillSwitch', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-DependencyDescriptorAdvertised', |
| 42220386, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-DisableUlpFecExperiment', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-DontIncreaseDelayBasedBweInAlr', |
| 42220590, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-DscpFieldTrial', |
| 42223835, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ExtraICEPing', |
| 42220311, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-FakeNetworkReceiveConfig', |
| 42224493, |
| INDEFINITE), |
| FieldTrial('WebRTC-FakeNetworkSendConfig', |
| 42224493, |
| INDEFINITE), |
| FieldTrial('WebRTC-FilterAbsSendTimeExtension', |
| 42220271, |
| INDEFINITE), |
| FieldTrial('WebRTC-FindNetworkHandleWithoutIpv6TemporaryPart', |
| 42221149, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-FlexFEC-03', |
| 42230680, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-FlexFEC-03-Advertised', |
| 42230680, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ForcePlayoutDelay', |
| 42222016, |
| INDEFINITE), |
| FieldTrial('WebRTC-ForceSendPlayoutDelay', |
| 42222016, |
| INDEFINITE), |
| FieldTrial('WebRTC-ForceSimulatedOveruseIntervalMs', |
| 42224494, |
| INDEFINITE), |
| FieldTrial('WebRTC-FrameDropper', |
| 42234921, |
| INDEFINITE), |
| FieldTrial('WebRTC-FullBandHpfKillSwitch', |
| 42221279, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-GenericCodecDependencyDescriptor', |
| 42225273, |
| INDEFINITE), |
| FieldTrial('WebRTC-GenericDescriptorAdvertised', |
| 42234553, |
| INDEFINITE), |
| FieldTrial('WebRTC-GenericDescriptorAuth', |
| 42220132, |
| INDEFINITE), |
| FieldTrial('WebRTC-GenericPictureId', |
| 42234553, |
| INDEFINITE), |
| FieldTrial('WebRTC-GetEncoderInfoOverride', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-H264HighProfile', |
| 41481030, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-IPv6Default', |
| NO_BUG, # chromium:413437 |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-IceControllerFieldTrials', |
| 40658968, |
| INDEFINITE), |
| FieldTrial('WebRTC-IceFieldTrials', |
| 42221103, |
| INDEFINITE), |
| FieldTrial('WebRTC-KeyframeInterval', |
| 42220470, |
| INDEFINITE), |
| FieldTrial('WebRTC-LegacyFrameIdJumpBehavior', |
| 42223541, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-LegacySimulcastLayerLimit', |
| 42233936, |
| INDEFINITE), |
| FieldTrial('WebRTC-LegacyTlsProtocols', |
| 40644300, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-LowresSimulcastBitrateInterpolation', |
| 42222558, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-MutedStateKillSwitch', |
| 177830919, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Network-UseNWPathMonitor', |
| 42221045, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-NetworkMonitorAutoDetect', |
| 42223964, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-NormalizeSimulcastResolution', |
| NO_BUG, |
| INDEFINITE), |
| FieldTrial('WebRTC-Pacer-BlockAudio', |
| 42233548, |
| INDEFINITE), |
| FieldTrial('WebRTC-Pacer-DrainQueue', |
| 42233548, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Pacer-IgnoreTransportOverhead', |
| 42235102, |
| INDEFINITE), |
| FieldTrial('WebRTC-Pacer-PadInSilence', |
| 42233548, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-PacketBufferMaxSize', |
| 42235070, |
| INDEFINITE), |
| FieldTrial('WebRTC-PcFactoryDefaultBitrates', |
| 42220941, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-PiggybackIceCheckAcknowledgement', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-PixelLimitResource', |
| 42222397, |
| INDEFINITE), |
| FieldTrial('WebRTC-ProbingScreenshareBwe', |
| 42232804, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ProtectionOverheadRateThreshold', |
| 42225198, |
| INDEFINITE), |
| FieldTrial('WebRTC-QpParsingKillSwitch', |
| 42222690, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-RtcEventLogKillSwitch', |
| 42222210, |
| INDEFINITE), |
| FieldTrial('WebRTC-RtcEventLogNewFormat', |
| 42233237, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-RtcpLossNotification', |
| 42220379, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SendBufferSizeBytes', |
| 42222026, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SendNackDelayMs', |
| 42235176, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SetSocketReceiveBuffer', |
| 42223976, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SimulcastEncoderAdapter-GetEncoderInfoOverride', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SimulcastLayerLimitRoundUp', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SpsPpsIdrIsH264Keyframe', |
| 42233557, |
| INDEFINITE), |
| FieldTrial('WebRTC-StableTargetRate', |
| 42220156, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-StrictPacingAndProbing', |
| 42233198, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-StunInterPacketDelay', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SurfaceCellularTypes', |
| 42221576, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-SwitchEncoderOnInitializationFailures', |
| 42223783, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Target-Bitrate-Rtcp', |
| 42235192, |
| INDEFINITE), |
| FieldTrial('WebRTC-TransientSuppressorForcedOff', |
| 40172597, |
| INDEFINITE), |
| FieldTrial('WebRTC-UseBaseHeavyVP8TL3RateAllocation', |
| 42234670, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-UseDifferentiatedCellularCosts', |
| 42221576, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-UseStandardBytesStats', |
| 42220573, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-UseTurnServerAsStunServer', |
| 42221142, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP8-ForcePartitionResilience', |
| 42221952, |
| INDEFINITE), |
| FieldTrial('WebRTC-VP8-Forced-Fallback-Encoder-v2', |
| 42231704, |
| INDEFINITE), |
| FieldTrial('WebRTC-VP8-GetEncoderInfoOverride', |
| 42221952, |
| INDEFINITE), |
| FieldTrial('WebRTC-VP8-Postproc-Config', |
| 42221657, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP8-Postproc-Config-Arm', |
| 42231704, |
| INDEFINITE), |
| FieldTrial('WebRTC-VP8ConferenceTemporalLayers', |
| 42234443, |
| INDEFINITE), |
| FieldTrial('WebRTC-VP8IosMaxNumberOfThread', |
| 42220027, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP9-GetEncoderInfoOverride', |
| NO_BUG, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP9-LowTierOptimizations', |
| 42224122, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP9-PerformanceFlags', |
| 42221657, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VP9QualityScaler', |
| 42221411, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-BalancedDegradation', |
| 42232717, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-BalancedDegradationSettings', |
| NO_BUG, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-DisableAutomaticResize', |
| 42221931, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-DiscardPacketsWithUnknownSsrc', |
| 42235091, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-ForcedSwDecoderFallback', |
| NO_BUG, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-InitialDecoderResolution', |
| 42222018, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-MinVideoBitrate', |
| 42220993, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-Pacing', |
| 42220062, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Video-PreferTemporalSupportOnBaseLayer', |
| 42221417, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-QualityScalerSettings', |
| NO_BUG, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-QualityScaling', |
| 42234348, |
| INDEFINITE), |
| FieldTrial('WebRTC-Video-UseFrameRateForOverhead', |
| 166341943, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-VideoFrameTrackingIdAdvertised', |
| 42222747, |
| INDEFINITE), |
| FieldTrial('WebRTC-VideoLayersAllocationAdvertised', |
| 42222126, |
| INDEFINITE), |
| FieldTrial('WebRTC-VideoRateControl', |
| 42220259, |
| INDEFINITE), |
| FieldTrial('WebRTC-VoIPChannelRemixingAdjustmentKillSwitch', |
| 40108588, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Vp9ExternalRefCtrl', |
| 42234783, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-Vp9InterLayerPred', |
| NO_BUG, # chromium:949536 |
| INDEFINITE), |
| FieldTrial('WebRTC-Vp9IssueKeyFrameOnLayerDeactivation', |
| 40595338, |
| date(2024, 4, 1)), |
| FieldTrial('WebRTC-ZeroPlayoutDelay', |
| 40228487, |
| date(2024, 4, 1)), |
| # keep-sorted end |
| ]) # yapf: disable |
| |
| POLICY_EXEMPT_FIELD_TRIALS_DIGEST: str = \ |
| 'd6beac9eb318c70cd1695598b3d3c069cd17b42f' |
| |
| REGISTERED_FIELD_TRIALS: FrozenSet[FieldTrial] = ACTIVE_FIELD_TRIALS.union( |
| POLICY_EXEMPT_FIELD_TRIALS) |
| |
| |
| def todays_date() -> date: |
| now = datetime.datetime.now(datetime.timezone.utc) |
| return date(now.year, now.month, now.day) |
| |
| |
| def registry_header( |
| field_trials: FrozenSet[FieldTrial] = REGISTERED_FIELD_TRIALS) -> str: |
| """Generates a C++ header with all field trial keys. |
| |
| Args: |
| field_trials: Field trials to include in the header. |
| |
| Returns: |
| String representation of a C++ header file containing all field trial |
| keys. |
| |
| >>> trials = { |
| ... FieldTrial('B', '', date(1, 1, 1)), |
| ... FieldTrial('A', '', date(1, 1, 1)), |
| ... FieldTrial('B', '', date(2, 2, 2)), |
| ... } |
| >>> print(registry_header(trials)) |
| // This file was automatically generated. Do not edit. |
| <BLANKLINE> |
| #ifndef GEN_REGISTERED_FIELD_TRIALS_H_ |
| #define GEN_REGISTERED_FIELD_TRIALS_H_ |
| <BLANKLINE> |
| #include "absl/strings/string_view.h" |
| <BLANKLINE> |
| namespace webrtc { |
| <BLANKLINE> |
| inline constexpr absl::string_view kRegisteredFieldTrials[] = { |
| "A", |
| "B", |
| }; |
| <BLANKLINE> |
| } // namespace webrtc |
| <BLANKLINE> |
| #endif // GEN_REGISTERED_FIELD_TRIALS_H_ |
| <BLANKLINE> |
| """ |
| registered_keys = {f.key for f in field_trials} |
| keys = '\n'.join(f' "{k}",' for k in sorted(registered_keys)) |
| return ('// This file was automatically generated. Do not edit.\n' |
| '\n' |
| '#ifndef GEN_REGISTERED_FIELD_TRIALS_H_\n' |
| '#define GEN_REGISTERED_FIELD_TRIALS_H_\n' |
| '\n' |
| '#include "absl/strings/string_view.h"\n' |
| '\n' |
| 'namespace webrtc {\n' |
| '\n' |
| 'inline constexpr absl::string_view kRegisteredFieldTrials[] = {\n' |
| f'{keys}\n' |
| '};\n' |
| '\n' |
| '} // namespace webrtc\n' |
| '\n' |
| '#endif // GEN_REGISTERED_FIELD_TRIALS_H_\n') |
| |
| |
| def expired_field_trials( |
| threshold: date, |
| field_trials: FrozenSet[FieldTrial] = REGISTERED_FIELD_TRIALS |
| ) -> Set[FieldTrial]: |
| """Obtains expired field trials. |
| |
| Args: |
| threshold: Date from which to check end date. |
| field_trials: Field trials to validate. |
| |
| Returns: |
| All expired field trials. |
| |
| >>> trials = { |
| ... FieldTrial('Expired', '', date(1, 1, 1)), |
| ... FieldTrial('Not-Expired', '', date(1, 1, 2)), |
| ... } |
| >>> expired_field_trials(date(1, 1, 1), trials) |
| {FieldTrial(key='Expired', bug='', end_date=datetime.date(1, 1, 1))} |
| """ |
| return {f for f in field_trials if f.end_date <= threshold} |
| |
| |
| def validate_field_trials( |
| field_trials: FrozenSet[FieldTrial] = ACTIVE_FIELD_TRIALS |
| ) -> List[str]: |
| """Validate that field trials conforms to the policy. |
| |
| Args: |
| field_trials: Field trials to validate. |
| |
| Returns: |
| A list of explanations for invalid field trials. |
| """ |
| invalid = [] |
| |
| sha1 = hashlib.sha1() |
| for trial in sorted(POLICY_EXEMPT_FIELD_TRIALS, key=lambda f: f.key): |
| sha1.update(trial.key.encode('ascii')) |
| if sha1.hexdigest() != POLICY_EXEMPT_FIELD_TRIALS_DIGEST: |
| invalid.append( |
| 'POLICY_EXEMPT_FIELD_TRIALS has been modified. Please note that ' |
| 'you must not add any new entries there. If you removed an entry ' |
| 'you should also update POLICY_EXEMPT_FIELD_TRIALS_DIGEST. The ' |
| f'new digest is "{sha1.hexdigest()}".') |
| |
| for trial in field_trials: |
| if not trial.key.startswith('WebRTC-'): |
| invalid.append(f'{trial.key} does not start with "WebRTC-".') |
| if trial.bug_id <= 0: |
| invalid.append(f'{trial.key} must have an associated bug.') |
| if trial.end_date >= INDEFINITE: |
| invalid.append(f'{trial.key} must have an end date.') |
| |
| return invalid |
| |
| |
| def cmd_header(args: argparse.Namespace) -> None: |
| if not args.no_validation: |
| if errors := validate_field_trials(): |
| print('\n'.join(sorted(errors))) |
| sys.exit(1) |
| |
| args.output.write(registry_header()) |
| |
| |
| def cmd_expired(args: argparse.Namespace) -> None: |
| today = todays_date() |
| diff = datetime.timedelta(days=args.in_days) |
| expired = expired_field_trials( |
| today + diff, |
| ACTIVE_FIELD_TRIALS if args.no_exempt else REGISTERED_FIELD_TRIALS) |
| |
| if len(expired) <= 0: |
| return |
| |
| expired_by_date = sorted(expired, key=lambda f: (f.end_date, f.key)) |
| print('\n'.join( |
| f'{f.key} ' |
| f'{f"<{f.bug_url()}> " if f.bug_url() else ""}' |
| f'{"expired" if f.end_date <= today else "expires"} on {f.end_date}' |
| for f in expired_by_date)) |
| if any(f.end_date <= today for f in expired_by_date): |
| sys.exit(1) |
| |
| |
| def cmd_validate(args: argparse.Namespace) -> None: |
| del args |
| invalid = validate_field_trials() |
| |
| if len(invalid) <= 0: |
| return |
| |
| print('\n'.join(sorted(invalid))) |
| sys.exit(1) |
| |
| |
| def main() -> None: |
| parser = argparse.ArgumentParser() |
| subcommand = parser.add_subparsers(dest='cmd') |
| |
| parser_header = subcommand.add_parser( |
| 'header', |
| help='generate C++ header file containing registered field trial keys') |
| parser_header.add_argument('--output', |
| default=sys.stdout, |
| type=argparse.FileType('w'), |
| required=False, |
| help='output file') |
| parser_header.add_argument( |
| '--no-validation', |
| default=False, |
| action='store_true', |
| required=False, |
| help='whether to validate the field trials before writing') |
| parser_header.set_defaults(cmd=cmd_header) |
| |
| parser_expired = subcommand.add_parser( |
| 'expired', |
| help='lists all expired field trials', |
| description=''' |
| Lists all expired field trials. Exits with a non-zero exit status if |
| any field trials has expired, ignoring the --in-days argument. |
| ''') |
| parser_expired.add_argument( |
| '--no-exempt', |
| default=False, |
| action='store_true', |
| required=False, |
| help='whether to include policy exempt field trials') |
| parser_expired.add_argument( |
| '--in-days', |
| default=0, |
| type=int, |
| required=False, |
| help='number of days relative to today to check') |
| parser_expired.set_defaults(cmd=cmd_expired) |
| |
| parser_validate = subcommand.add_parser( |
| 'validate', |
| help='validates that all field trials conforms to the policy.', |
| description=''' |
| Validates that all field trials conforms to the policy. Exits with a |
| non-zero exit status if any field trials does not. |
| ''') |
| parser_validate.set_defaults(cmd=cmd_validate) |
| |
| args = parser.parse_args() |
| |
| if not args.cmd: |
| parser.print_help(sys.stderr) |
| sys.exit(1) |
| |
| args.cmd(args) |
| |
| |
| if __name__ == '__main__': |
| main() |
