chromium/third_party/webrtc/common_audio/window_generator.cc

/*
 *  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.
 */

#define _USE_MATH_DEFINES

#include "common_audio/window_generator.h"

#include <cmath>
#include <complex>

#include "rtc_base/checks.h"

complex;

namespace {

// Modified Bessel function of order 0 for complex inputs.
complex<float> I0(complex<float> x) { … }

}  // namespace

namespace webrtc {

void WindowGenerator::Hanning(int length, float* window) { … }

void WindowGenerator::KaiserBesselDerived(float alpha,
                                          size_t length,
                                          float* window) { … }

}  // namespace webrtc