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10542f21c8
Mechanically generated by running this command: tools_webrtc/do-renames.sh update all-renames.txt && git cl format Then manually updating: tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc Bug: webrtc:10159 No-Presubmit: true No-Tree-Checks: true No-Try: true Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833 Reviewed-on: https://webrtc-review.googlesource.com/c/115653 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26226}
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/*
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* Copyright 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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#ifndef MODULES_AUDIO_PROCESSING_UTILITY_BLOCK_MEAN_CALCULATOR_H_
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#define MODULES_AUDIO_PROCESSING_UTILITY_BLOCK_MEAN_CALCULATOR_H_
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#include <stddef.h>
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#include "rtc_base/constructor_magic.h"
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namespace webrtc {
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// BlockMeanCalculator calculates the mean of a block of values. Values are
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// added one after another, and the mean is updated at the end of every block.
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class BlockMeanCalculator {
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public:
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explicit BlockMeanCalculator(size_t block_length);
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// Reset.
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void Reset();
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// Add one value to the sequence.
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void AddValue(float value);
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// Return whether the latest added value was at the end of a block.
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bool EndOfBlock() const;
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// Return the latest mean.
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float GetLatestMean() const;
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private:
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// Clear all values added.
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void Clear();
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const size_t block_length_;
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size_t count_;
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float sum_;
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float mean_;
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RTC_DISALLOW_COPY_AND_ASSIGN(BlockMeanCalculator);
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_UTILITY_BLOCK_MEAN_CALCULATOR_H_
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