iOS: Add MedianSlopeFilter field trial.
BUG=0
Review-Url: https://codereview.webrtc.org/2646443013
Cr-Commit-Position: refs/heads/master@{#16223}
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
index 89cf3c8..a353496 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
@@ -19,12 +19,19 @@
NSString * const kRTCFieldTrialAudioSendSideBweKey = @"WebRTC-Audio-SendSideBwe";
NSString * const kRTCFieldTrialFlexFec03Key = @"WebRTC-FlexFEC-03";
NSString * const kRTCFieldTrialImprovedBitrateEstimateKey = @"WebRTC-ImprovedBitrateEstimate";
+NSString * const kRTCFieldTrialMedianSlopeFilterKey = @"WebRTC-BweMedianSlopeFilter";
NSString * const kRTCFieldTrialTrendlineFilterKey = @"WebRTC-BweTrendlineFilter";
NSString * const kRTCFieldTrialH264HighProfileKey = @"WebRTC-H264HighProfile";
NSString * const kRTCFieldTrialEnabledValue = @"Enabled";
static std::unique_ptr<char[]> gFieldTrialInitString;
+NSString *RTCFieldTrialMedianSlopeFilterValue(
+ size_t windowSize, double thresholdGain) {
+ NSString *format = @"Enabled-%zu,%lf";
+ return [NSString stringWithFormat:format, windowSize, thresholdGain];
+}
+
NSString *RTCFieldTrialTrendlineFilterValue(
size_t windowSize, double smoothingCoeff, double thresholdGain) {
NSString *format = @"Enabled-%zu,%lf,%lf";
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
index 60c51d8..4ea9113 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
@@ -21,6 +21,11 @@
/** 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. */