36 lines
1 KiB
C++
36 lines
1 KiB
C++
/*
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* Copyright (c) 2023 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "rtc_base/frequency_tracker.h"
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#include <optional>
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#include "api/units/frequency.h"
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#include "api/units/time_delta.h"
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#include "api/units/timestamp.h"
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#include "rtc_base/rate_statistics.h"
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namespace webrtc {
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FrequencyTracker::FrequencyTracker(TimeDelta max_window_size)
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: impl_(max_window_size.ms(), 1'000'000) {}
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std::optional<Frequency> FrequencyTracker::Rate(Timestamp now) const {
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if (std::optional<int64_t> rate = impl_.Rate(now.ms())) {
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return Frequency::MilliHertz(*rate);
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}
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return std::nullopt;
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}
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void FrequencyTracker::Update(int64_t count, Timestamp now) {
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impl_.Update(count, now.ms());
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}
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} // namespace webrtc
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