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Field trial support to whenever possible turn off the AGC and HPF

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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}
This commit is contained in:
peah
2017-05-22 15:48:47 -07:00
committed by Commit bot
parent ef37ca5fb3
commit 8a8ebd94b0
3 changed files with 44 additions and 11 deletions
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2
webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
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@ -27,6 +27,8 @@ NSString * const kRTCFieldTrialImprovedBitrateEstimateKey = @"WebRTC-ImprovedBit
NSString * const kRTCFieldTrialMedianSlopeFilterKey = @"WebRTC-BweMedianSlopeFilter";
NSString * const kRTCFieldTrialTrendlineFilterKey = @"WebRTC-BweTrendlineFilter";
NSString * const kRTCFieldTrialH264HighProfileKey = @"WebRTC-H264HighProfile";
NSString * const kRTCFieldTrialMinimizeResamplingOnMobileKey =
@"WebRTC-Audio-MinimizeResamplingOnMobile";
NSString * const kRTCFieldTrialEnabledValue = @"Enabled";
static std::unique_ptr<char[]> gFieldTrialInitString;