1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings.h b/third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings.h
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+++ b/third_party/libwebrtc/rtc_base/experiments/keyframe_interval_settings.h
@@ -0,0 +1,39 @@
+/*
+ *  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.
+ */
+
+#ifndef RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_
+#define RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_
+
+#include "absl/types/optional.h"
+#include "api/field_trials_view.h"
+#include "rtc_base/experiments/field_trial_parser.h"
+
+namespace webrtc {
+
+// TODO(bugs.webrtc.org/10427): Remove and replace with proper configuration
+// parameter, or move to using FIR if intent is to avoid triggering multiple
+// times to PLIs corresponding to the same request when RTT is large.
+class KeyframeIntervalSettings final {
+ public:
+  static KeyframeIntervalSettings ParseFromFieldTrials();
+
+  // Sender side.
+  // The encoded keyframe send rate is <= 1/MinKeyframeSendIntervalMs().
+  absl::optional<int> MinKeyframeSendIntervalMs() const;
+
+ private:
+  explicit KeyframeIntervalSettings(const FieldTrialsView* key_value_config);
+
+  FieldTrialOptional<int> min_keyframe_send_interval_ms_;
+};
+
+}  // namespace webrtc
+
+#endif  // RTC_BASE_EXPERIMENTS_KEYFRAME_INTERVAL_SETTINGS_H_