File: frequency_tracker.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (37 lines) | stat: -rw-r--r-- 1,088 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
/*
 *  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 <cstdint>
#include <optional>

#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) {}

std::optional<Frequency> FrequencyTracker::Rate(Timestamp now) const {
  if (std::optional<int64_t> rate = impl_.Rate(now.ms())) {
    return Frequency::MilliHertz(*rate);
  }
  return std::nullopt;
}

void FrequencyTracker::Update(int64_t count, Timestamp now) {
  impl_.Update(count, now.ms());
}

}  // namespace webrtc