iOS: Add improved BWE field trial.
BUG=webrtc:6664
NOTRY=True
Review-Url: https://codereview.webrtc.org/2482593002
Cr-Commit-Position: refs/heads/master@{#14958}
diff --git a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
index 6e4230d..ff76133 100644
--- a/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
+++ b/webrtc/sdk/objc/Framework/Classes/RTCFieldTrials.mm
@@ -16,12 +16,20 @@
#include "webrtc/system_wrappers/include/field_trial_default.h"
+static NSString * const kRTCEnableImprovedBitrateEstimateString =
+ @"WebRTC-ImprovedBitrateEstimate/Enabled/";
+
static std::unique_ptr<char[]> gFieldTrialInitString;
void RTCInitFieldTrials(RTCFieldTrialOptions options) {
NSMutableString *fieldTrialInitString = [NSMutableString string];
size_t len = fieldTrialInitString.length + 1;
gFieldTrialInitString.reset(new char[len]);
+
+ if (options & RTCFieldTrialOptionsImprovedBitrateEstimate) {
+ [fieldTrialInitString appendString:kRTCEnableImprovedBitrateEstimateString];
+ }
+
if (![fieldTrialInitString getCString:gFieldTrialInitString.get()
maxLength:len
encoding:NSUTF8StringEncoding]) {
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
index 7e7c1c4..10f84b3 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCFieldTrials.h
@@ -14,7 +14,7 @@
typedef NS_OPTIONS(NSUInteger, RTCFieldTrialOptions) {
RTCFieldTrialOptionsNone = 0,
- RTCFieldTrialOptionsSendSideBwe = 1 << 0,
+ RTCFieldTrialOptionsImprovedBitrateEstimate = 1 << 0,
};
/** Must be called before any other call into WebRTC. See: