8a8ebd94b0
When operating on mobile devices, where hardware support is available for the AEC and NS functionality, it is desirable to be able to operate without hardcoded behaviors for the WebRTC AGC and HPF. This CL adds support to allow a field trial to turn these off whenever that is possible. BUG=webrtc:6220, webrtc:6183, webrtc:6181 Review-Url: https://codereview.webrtc.org/2876133002 Cr-Commit-Position: refs/heads/master@{#18226}
44 lines
2.0 KiB
Objective-C
44 lines
2.0 KiB
Objective-C
/*
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* Copyright 2016 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <WebRTC/RTCMacros.h>
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/** The only valid value for the following if set is kRTCFieldTrialEnabledValue. */
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RTC_EXTERN NSString * const kRTCFieldTrialAudioSendSideBweKey;
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RTC_EXTERN NSString * const kRTCFieldTrialSendSideBweWithOverheadKey;
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RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03AdvertisedKey;
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RTC_EXTERN NSString * const kRTCFieldTrialFlexFec03Key;
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RTC_EXTERN NSString * const kRTCFieldTrialImprovedBitrateEstimateKey;
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RTC_EXTERN NSString * const kRTCFieldTrialH264HighProfileKey;
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RTC_EXTERN NSString * const kRTCFieldTrialMinimizeResamplingOnMobileKey;
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/** The valid value for field trials above. */
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RTC_EXTERN NSString * const kRTCFieldTrialEnabledValue;
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/** Use a string returned by RTCFieldTrialMedianSlopeFilterValue as the value. */
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RTC_EXTERN NSString * const kRTCFieldTrialMedianSlopeFilterKey;
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RTC_EXTERN NSString *RTCFieldTrialMedianSlopeFilterValue(
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size_t windowSize, double thresholdGain);
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/** Use a string returned by RTCFieldTrialTrendlineFilterValue as the value. */
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RTC_EXTERN NSString * const kRTCFieldTrialTrendlineFilterKey;
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/** Returns a valid value for kRTCFieldTrialTrendlineFilterKey. */
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RTC_EXTERN NSString *RTCFieldTrialTrendlineFilterValue(
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size_t windowSize, double smoothingCoeff, double thresholdGain);
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/** Initialize field trials using a dictionary mapping field trial keys to their values. See above
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* for valid keys and values.
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* Must be called before any other call into WebRTC. See:
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* webrtc/system_wrappers/include/field_trial_default.h
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*/
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RTC_EXTERN void RTCInitFieldTrialDictionary(NSDictionary<NSString *, NSString *> *fieldTrials);
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