325cff01b4
Add code for doing block-based frequency domain processing. Developed and reviewed in isolation. Corresponding export CL: https://chromereviews.googleplex.com/95187013/ R=bercic@google.com, kjellander@webrtc.org, turaj@webrtc.org Review URL: https://webrtc-codereview.appspot.com/31539004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7359 4adac7df-926f-26a2-2b94-8c16560cd09d
32 lines
944 B
C++
32 lines
944 B
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_COMMON_AUDIO_WINDOW_GENERATOR_H_
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#define WEBRTC_COMMON_AUDIO_WINDOW_GENERATOR_H_
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#include "webrtc/base/constructormagic.h"
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namespace webrtc {
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// Helper class with generators for various signal transform windows.
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class WindowGenerator {
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public:
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static void Hanning(int length, float* window);
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static void KaiserBesselDerived(float alpha, int length, float* window);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(WindowGenerator);
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};
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} // namespace webrtc
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#endif // WEBRTC_COMMON_AUDIO_WINDOW_GENERATOR_H_
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