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0040b66ad3
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script from modules with parameters
'pacing video_coding congestion_controller remote_bitrate_estimator':
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"(../)*api:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I8ea501d7f1ee36e8d8cd3ed37e6b763c7fe29118
Reviewed-on: https://webrtc-review.googlesource.com/83900
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23640}
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright (c) 2016 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 "modules/video_coding/utility/moving_average.h"
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#include <algorithm>
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namespace webrtc {
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MovingAverage::MovingAverage(size_t s) : sum_history_(s + 1, 0) {}
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MovingAverage::~MovingAverage() = default;
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void MovingAverage::AddSample(int sample) {
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count_++;
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sum_ += sample;
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sum_history_[count_ % sum_history_.size()] = sum_;
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}
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absl::optional<int> MovingAverage::GetAverage() const {
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return GetAverage(size());
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}
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absl::optional<int> MovingAverage::GetAverage(size_t num_samples) const {
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if (num_samples > size() || num_samples == 0)
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return absl::nullopt;
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int sum = sum_ - sum_history_[(count_ - num_samples) % sum_history_.size()];
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return sum / static_cast<int>(num_samples);
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}
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void MovingAverage::Reset() {
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count_ = 0;
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sum_ = 0;
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std::fill(sum_history_.begin(), sum_history_.end(), 0);
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}
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size_t MovingAverage::size() const {
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return std::min(count_, sum_history_.size() - 1);
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}
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} // namespace webrtc
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