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1 /* | 1 /* |
2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #import "WebRTC/RTCFieldTrials.h" | 11 #import "WebRTC/RTCFieldTrials.h" |
12 | 12 |
13 #include <memory> | 13 #include <memory> |
14 | 14 |
15 #import "WebRTC/RTCLogging.h" | 15 #import "WebRTC/RTCLogging.h" |
16 | 16 |
17 #include "webrtc/system_wrappers/include/field_trial_default.h" | 17 #include "webrtc/system_wrappers/include/field_trial_default.h" |
18 | 18 |
19 NSString * const kRTCFieldTrialAudioSendSideBweKey = @"WebRTC-Audio-SendSideBwe"
; | 19 NSString * const kRTCFieldTrialAudioSendSideBweKey = @"WebRTC-Audio-SendSideBwe"
; |
20 NSString * const kRTCFieldTrialFlexFec03Key = @"WebRTC-FlexFEC-03"; | 20 NSString * const kRTCFieldTrialFlexFec03Key = @"WebRTC-FlexFEC-03"; |
21 NSString * const kRTCFieldTrialImprovedBitrateEstimateKey = @"WebRTC-ImprovedBit
rateEstimate"; | 21 NSString * const kRTCFieldTrialImprovedBitrateEstimateKey = @"WebRTC-ImprovedBit
rateEstimate"; |
22 NSString * const kRTCFieldTrialTrendlineFilterKey = @"WebRTC-BweTrendlineFilter"
; | 22 NSString * const kRTCFieldTrialTrendlineFilterKey = @"WebRTC-BweTrendlineFilter"
; |
| 23 NSString * const kRTCFieldTrialH264HighProfileKey = @"WebRTC-H264HighProfile"; |
23 NSString * const kRTCFieldTrialEnabledValue = @"Enabled"; | 24 NSString * const kRTCFieldTrialEnabledValue = @"Enabled"; |
24 | 25 |
25 static std::unique_ptr<char[]> gFieldTrialInitString; | 26 static std::unique_ptr<char[]> gFieldTrialInitString; |
26 | 27 |
27 NSString *RTCFieldTrialTrendlineFilterValue( | 28 NSString *RTCFieldTrialTrendlineFilterValue( |
28 size_t windowSize, double smoothingCoeff, double thresholdGain) { | 29 size_t windowSize, double smoothingCoeff, double thresholdGain) { |
29 NSString *format = @"Enabled-%zu,%lf,%lf"; | 30 NSString *format = @"Enabled-%zu,%lf,%lf"; |
30 return [NSString stringWithFormat:format, windowSize, smoothingCoeff, threshol
dGain]; | 31 return [NSString stringWithFormat:format, windowSize, smoothingCoeff, threshol
dGain]; |
31 } | 32 } |
32 | 33 |
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45 size_t len = fieldTrialInitString.length + 1; | 46 size_t len = fieldTrialInitString.length + 1; |
46 gFieldTrialInitString.reset(new char[len]); | 47 gFieldTrialInitString.reset(new char[len]); |
47 if (![fieldTrialInitString getCString:gFieldTrialInitString.get() | 48 if (![fieldTrialInitString getCString:gFieldTrialInitString.get() |
48 maxLength:len | 49 maxLength:len |
49 encoding:NSUTF8StringEncoding]) { | 50 encoding:NSUTF8StringEncoding]) { |
50 RTCLogError(@"Failed to convert field trial string."); | 51 RTCLogError(@"Failed to convert field trial string."); |
51 return; | 52 return; |
52 } | 53 } |
53 webrtc::field_trial::InitFieldTrialsFromString(gFieldTrialInitString.get()); | 54 webrtc::field_trial::InitFieldTrialsFromString(gFieldTrialInitString.get()); |
54 } | 55 } |
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