webrtc/modules/audio_processing/utility/block_mean_calculator.cc
Yves Gerey 665174fdbb Reformat the WebRTC code base
Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
2018-06-19 14:00:39 +00:00

50 lines
1.2 KiB
C++

/*
* Copyright 2016 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 "modules/audio_processing/utility/block_mean_calculator.h"
#include "rtc_base/checks.h"
namespace webrtc {
BlockMeanCalculator::BlockMeanCalculator(size_t block_length)
: block_length_(block_length), count_(0), sum_(0.0), mean_(0.0) {
RTC_DCHECK(block_length_ != 0);
}
void BlockMeanCalculator::Reset() {
Clear();
mean_ = 0.0;
}
void BlockMeanCalculator::AddValue(float value) {
sum_ += value;
++count_;
if (count_ == block_length_) {
mean_ = sum_ / block_length_;
Clear();
}
}
bool BlockMeanCalculator::EndOfBlock() const {
return count_ == 0;
}
float BlockMeanCalculator::GetLatestMean() const {
return mean_;
}
// Flush all samples added.
void BlockMeanCalculator::Clear() {
count_ = 0;
sum_ = 0.0;
}
} // namespace webrtc