|  | /* | 
|  | *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "rtc_base/experiments/keyframe_interval_settings.h" | 
|  |  | 
|  | #include <optional> | 
|  |  | 
|  | #include "api/field_trials_view.h" | 
|  | #include "rtc_base/experiments/field_trial_parser.h" | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | constexpr char kFieldTrialName[] = "WebRTC-KeyframeInterval"; | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | KeyframeIntervalSettings::KeyframeIntervalSettings( | 
|  | const FieldTrialsView& key_value_config) | 
|  | : min_keyframe_send_interval_ms_("min_keyframe_send_interval_ms") { | 
|  | ParseFieldTrial({&min_keyframe_send_interval_ms_}, | 
|  | key_value_config.Lookup(kFieldTrialName)); | 
|  | } | 
|  |  | 
|  | std::optional<int> KeyframeIntervalSettings::MinKeyframeSendIntervalMs() const { | 
|  | return min_keyframe_send_interval_ms_.GetOptional(); | 
|  | } | 
|  | }  // namespace webrtc |