b5c48b97f6
Ongoing fixes and improvements, transient suppressor is gone. Also, dropping isac because it doesn't seem to be useful, and is just build system deadweight now. Upstream references: Version: 131.0.6778.200 WebRTC: 79aff54b0fa9238ce3518dd9eaf9610cd6f22e82 Chromium: 2a19506ad24af755f2a215a4c61f775393e0db42
50 lines
1.5 KiB
C++
50 lines
1.5 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/audio_processing/echo_detector/circular_buffer.h"
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#include <algorithm>
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#include "rtc_base/checks.h"
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namespace webrtc {
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CircularBuffer::CircularBuffer(size_t size) : buffer_(size) {}
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CircularBuffer::~CircularBuffer() = default;
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void CircularBuffer::Push(float value) {
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buffer_[next_insertion_index_] = value;
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++next_insertion_index_;
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next_insertion_index_ %= buffer_.size();
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RTC_DCHECK_LT(next_insertion_index_, buffer_.size());
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nr_elements_in_buffer_ = std::min(nr_elements_in_buffer_ + 1, buffer_.size());
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RTC_DCHECK_LE(nr_elements_in_buffer_, buffer_.size());
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}
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std::optional<float> CircularBuffer::Pop() {
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if (nr_elements_in_buffer_ == 0) {
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return std::nullopt;
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}
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const size_t index =
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(buffer_.size() + next_insertion_index_ - nr_elements_in_buffer_) %
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buffer_.size();
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RTC_DCHECK_LT(index, buffer_.size());
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--nr_elements_in_buffer_;
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return buffer_[index];
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}
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void CircularBuffer::Clear() {
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std::fill(buffer_.begin(), buffer_.end(), 0.f);
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next_insertion_index_ = 0;
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nr_elements_in_buffer_ = 0;
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}
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} // namespace webrtc
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