blob: db1aeaebf609dfea485d9c78cf9656e005e2636c [file] [log] [blame]
* 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 <stddef.h>
#include <vector>
#include "absl/types/optional.h"
namespace webrtc {
// Ring buffer containing floating point values.
struct CircularBuffer {
explicit CircularBuffer(size_t size);
void Push(float value);
absl::optional<float> Pop();
size_t Size() const { return nr_elements_in_buffer_; }
// This function fills the buffer with zeros, but does not change its size.
void Clear();
std::vector<float> buffer_;
size_t next_insertion_index_ = 0;
// This is the number of elements that have been pushed into the circular
// buffer, not the allocated buffer size.
size_t nr_elements_in_buffer_ = 0;
} // namespace webrtc