chromium/third_party/webrtc/common_audio/real_fourier.h

/*
 *  Copyright (c) 2014 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.
 */

#ifndef COMMON_AUDIO_REAL_FOURIER_H_
#define COMMON_AUDIO_REAL_FOURIER_H_

#include <stddef.h>

#include <complex>
#include <memory>

#include "rtc_base/memory/aligned_malloc.h"

// Uniform interface class for the real DFT and its inverse, for power-of-2
// input lengths. Also contains helper functions for buffer allocation, taking
// care of any memory alignment requirements the underlying library might have.

namespace webrtc {

class RealFourier { … };

}  // namespace webrtc

#endif  // COMMON_AUDIO_REAL_FOURIER_H_