blob: 1acfeaccbb47e9d0dcfc7263cd92a63c730bdee6 [file] [log] [blame]
* Copyright (c) 2017 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 <algorithm>
#include <vector>
#include "webrtc/api/array_view.h"
#include "webrtc/rtc_base/constructormagic.h"
#include "webrtc/rtc_base/random.h"
namespace webrtc {
// Randomizes the elements in a vector with values -32767.f:32767.f.
void RandomizeSampleVector(Random* random_generator, rtc::ArrayView<float> v);
// Class for delaying a signal a fixed number of samples.
template <typename T>
class DelayBuffer {
explicit DelayBuffer(size_t delay) : buffer_(delay) {}
~DelayBuffer() = default;
// Produces a delayed signal copy of x.
void Delay(rtc::ArrayView<const T> x, rtc::ArrayView<T> x_delayed);
std::vector<T> buffer_;
size_t next_insert_index_ = 0;
} // namespace webrtc