OpenShot Audio Library | OpenShotAudio 0.4.0
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juce_Windowing.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 By using JUCE, you agree to the terms of both the JUCE 7 End-User License
11 Agreement and JUCE Privacy Policy.
12
13 End User License Agreement: www.juce.com/juce-7-licence
14 Privacy Policy: www.juce.com/juce-privacy-policy
15
16 Or: You may also use this code under the terms of the GPL v3 (see
17 www.gnu.org/licenses).
18
19 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
20 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
21 DISCLAIMED.
22
23 ==============================================================================
24*/
25
26namespace juce::dsp
27{
28
39template <typename FloatType>
40class JUCE_API WindowingFunction
41{
42public:
43 //==============================================================================
46 {
47 rectangular = 0,
48 triangular,
49 hann,
50 hamming,
51 blackman,
52 blackmanHarris,
53 flatTop,
54 kaiser,
55 numWindowingMethods
56 };
57
58 //==============================================================================
64 WindowingFunction (size_t size, WindowingMethod,
65 bool normalise = true, FloatType beta = 0);
66
67 //==============================================================================
78 void fillWindowingTables (size_t size, WindowingMethod type,
79 bool normalise = true, FloatType beta = 0) noexcept;
80
91 static void fillWindowingTables (FloatType* samples, size_t size, WindowingMethod,
92 bool normalise = true, FloatType beta = 0) noexcept;
93
95 void multiplyWithWindowingTable (FloatType* samples, size_t size) const noexcept;
96
98 static const char* getWindowingMethodName (WindowingMethod) noexcept;
99
100
101private:
102 //==============================================================================
103 Array<FloatType> windowTable;
104
105 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WindowingFunction)
106};
107
108} // namespace juce::dsp