| Anders Carlsson | 7bca8ca | 2018-08-30 09:30:29 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #import <Foundation/Foundation.h> |
| 12 | |
| 13 | #import "RTCMacros.h" |
| 14 | |
| 15 | /** The only valid value for the following if set is kRTCFieldTrialEnabledValue. */ |
| 16 | RTC_EXTERN NSString * const kRTCFieldTrialAudioSendSideBweKey; |
| 17 | RTC_EXTERN NSString * const kRTCFieldTrialAudioSendSideBweForVideoKey; |
| 18 | RTC_EXTERN NSString * const kRTCFieldTrialAudioForceNoTWCCKey; |
| 19 | RTC_EXTERN NSString * const kRTCFieldTrialAudioForceABWENoTWCCKey; |
| 20 | RTC_EXTERN NSString * const kRTCFieldTrialSendSideBweWithOverheadKey; |
| 21 | RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03AdvertisedKey; |
| 22 | RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03Key; |
| 23 | RTC_EXTERN NSString * const kRTCFieldTrialImprovedBitrateEstimateKey; |
| 24 | RTC_EXTERN NSString * const kRTCFieldTrialH264HighProfileKey; |
| 25 | RTC_EXTERN NSString * const kRTCFieldTrialMinimizeResamplingOnMobileKey; |
| 26 | |
| 27 | /** The valid value for field trials above. */ |
| 28 | RTC_EXTERN NSString * const kRTCFieldTrialEnabledValue; |
| 29 | |
| 30 | /** Use a string returned by RTCFieldTrialMedianSlopeFilterValue as the value. */ |
| 31 | RTC_EXTERN NSString * const kRTCFieldTrialMedianSlopeFilterKey; |
| 32 | RTC_EXTERN NSString *RTCFieldTrialMedianSlopeFilterValue( |
| 33 | size_t windowSize, double thresholdGain); |
| 34 | |
| 35 | /** Use a string returned by RTCFieldTrialTrendlineFilterValue as the value. */ |
| 36 | RTC_EXTERN NSString * const kRTCFieldTrialTrendlineFilterKey; |
| 37 | /** Returns a valid value for kRTCFieldTrialTrendlineFilterKey. */ |
| 38 | RTC_EXTERN NSString *RTCFieldTrialTrendlineFilterValue( |
| 39 | size_t windowSize, double smoothingCoeff, double thresholdGain); |
| 40 | |
| 41 | /** Initialize field trials using a dictionary mapping field trial keys to their values. See above |
| 42 | * for valid keys and values. |
| 43 | * Must be called before any other call into WebRTC. See: |
| 44 | * webrtc/system_wrappers/include/field_trial_default.h |
| 45 | */ |
| 46 | RTC_EXTERN void RTCInitFieldTrialDictionary(NSDictionary<NSString *, NSString *> *fieldTrials); |