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/*
* Copyright (c) 2023 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/frequency_tracker.h"
#include "absl/types/optional.h"
#include "api/units/frequency.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "rtc_base/rate_statistics.h"
namespace webrtc {
FrequencyTracker::FrequencyTracker(TimeDelta max_window_size)
: impl_(max_window_size.ms(), 1'000'000) {}
absl::optional<Frequency> FrequencyTracker::Rate(Timestamp now) const {
if (absl::optional<int64_t> rate = impl_.Rate(now.ms())) {
return Frequency::MilliHertz(*rate);
}
return absl::nullopt;
}
void FrequencyTracker::Update(int64_t count, Timestamp now) {
impl_.Update(count, now.ms());
}
} // namespace webrtc
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