/*
 *  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 "modules/audio_processing/aec3/spectrum_buffer.h"

#include <algorithm>
#include <array>
#include <cstddef>
#include <vector>

#include "modules/audio_processing/aec3/aec3_common.h"

namespace webrtc {

SpectrumBuffer::SpectrumBuffer(size_t size, size_t num_channels)
    : size(static_cast<int>(size)),
      buffer(size,
             std::vector<std::array<float, kFftLengthBy2Plus1>>(num_channels)) {
  for (auto& channel : buffer) {
    for (auto& c : channel) {
      std::fill(c.begin(), c.end(), 0.f);
    }
  }
}

SpectrumBuffer::~SpectrumBuffer() = default;

}  // namespace webrtc