webrtc/modules/audio_processing/echo_detector/circular_buffer.cc
Philipp Hancke e10dfc9fa9 IWYU modules/audio_processing
using
  find modules/audio_processing/ -name "*.h" -o -name "*.cc" | grep -v "aecm_core_neon.cc" | grep -v aecm_core_mips.cc | xargs tools_webrtc/iwyu/apply-include-cleaner
followed by
  tools_webrtc/gn_check_autofix.py -C out/Default/
and git cl format

Manual changes:
- changes to AECM caused linker errors. Reverted aecm/
- manual modifications in PS 9..12: https://webrtc-review.googlesource.com/c/src/+/387680/9..12
- rebase and follow-up in https://webrtc-review.googlesource.com/c/src/+/387680/14..18
- rebase and follow-up in https://webrtc-review.googlesource.com/c/src/+/387680/19..24
- moved generated debug.pb.h to protobuf_utils.h and exported
- agc2 target visibility changes
- stringstream TODOs

Bug: webrtc:42226242
Change-Id: I9b87208b90f3a7e8f179c1038e6b4dabbcbbbf3c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/387680
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@meta.com>
Cr-Commit-Position: refs/heads/main@{#44809}
2025-06-03 00:08:10 -07:00

52 lines
1.5 KiB
C++

/*
* Copyright (c) 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/echo_detector/circular_buffer.h"
#include <algorithm>
#include <cstddef>
#include <optional>
#include "rtc_base/checks.h"
namespace webrtc {
CircularBuffer::CircularBuffer(size_t size) : buffer_(size) {}
CircularBuffer::~CircularBuffer() = default;
void CircularBuffer::Push(float value) {
buffer_[next_insertion_index_] = value;
++next_insertion_index_;
next_insertion_index_ %= buffer_.size();
RTC_DCHECK_LT(next_insertion_index_, buffer_.size());
nr_elements_in_buffer_ = std::min(nr_elements_in_buffer_ + 1, buffer_.size());
RTC_DCHECK_LE(nr_elements_in_buffer_, buffer_.size());
}
std::optional<float> CircularBuffer::Pop() {
if (nr_elements_in_buffer_ == 0) {
return std::nullopt;
}
const size_t index =
(buffer_.size() + next_insertion_index_ - nr_elements_in_buffer_) %
buffer_.size();
RTC_DCHECK_LT(index, buffer_.size());
--nr_elements_in_buffer_;
return buffer_[index];
}
void CircularBuffer::Clear() {
std::fill(buffer_.begin(), buffer_.end(), 0.f);
next_insertion_index_ = 0;
nr_elements_in_buffer_ = 0;
}
} // namespace webrtc