| /* |
| * Copyright 2016 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 <Foundation/Foundation.h> |
| |
| #import <WebRTC/RTCMacros.h> |
| |
| /** The only valid value for the following if set is kRTCFieldTrialEnabledValue. */ |
| RTC_EXTERN NSString * const kRTCFieldTrialAudioSendSideBweKey; |
| RTC_EXTERN NSString * const kRTCFieldTrialSendSideBweWithOverheadKey; |
| RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03AdvertisedKey; |
| RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03Key; |
| RTC_EXTERN NSString * const kRTCFieldTrialImprovedBitrateEstimateKey; |
| RTC_EXTERN NSString * const kRTCFieldTrialH264HighProfileKey; |
| RTC_EXTERN NSString * const kRTCFieldTrialMinimizeResamplingOnMobileKey; |
| |
| /** The valid value for field trials above. */ |
| RTC_EXTERN NSString * const kRTCFieldTrialEnabledValue; |
| |
| /** Use a string returned by RTCFieldTrialMedianSlopeFilterValue as the value. */ |
| RTC_EXTERN NSString * const kRTCFieldTrialMedianSlopeFilterKey; |
| RTC_EXTERN NSString *RTCFieldTrialMedianSlopeFilterValue( |
| size_t windowSize, double thresholdGain); |
| |
| /** Use a string returned by RTCFieldTrialTrendlineFilterValue as the value. */ |
| RTC_EXTERN NSString * const kRTCFieldTrialTrendlineFilterKey; |
| /** Returns a valid value for kRTCFieldTrialTrendlineFilterKey. */ |
| RTC_EXTERN NSString *RTCFieldTrialTrendlineFilterValue( |
| size_t windowSize, double smoothingCoeff, double thresholdGain); |
| |
| /** Initialize field trials using a dictionary mapping field trial keys to their values. See above |
| * for valid keys and values. |
| * Must be called before any other call into WebRTC. See: |
| * webrtc/system_wrappers/include/field_trial_default.h |
| */ |
| RTC_EXTERN void RTCInitFieldTrialDictionary(NSDictionary<NSString *, NSString *> *fieldTrials); |
