1 /*
2   ==============================================================================
3 
4    This file is part of the JUCE library.
5    Copyright (c) 2020 - Raw Material Software Limited
6 
7    JUCE is an open source library subject to commercial or open-source
8    licensing.
9 
10    The code included in this file is provided under the terms of the ISC license
11    http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12    To use, copy, modify, and/or distribute this software for any purpose with or
13    without fee is hereby granted provided that the above copyright notice and
14    this permission notice appear in all copies.
15 
16    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18    DISCLAIMED.
19 
20   ==============================================================================
21 */
22 
23 namespace juce
24 {
25 
26 //==============================================================================
27 /**
28     An AudioSource that uses the Reverb class to apply a reverb to another AudioSource.
29 
30     @see Reverb
31 
32     @tags{Audio}
33 */
34 class JUCE_API  ReverbAudioSource   : public AudioSource
35 {
36 public:
37     /** Creates a ReverbAudioSource to process a given input source.
38 
39         @param inputSource              the input source to read from - this must not be null
40         @param deleteInputWhenDeleted   if true, the input source will be deleted when
41                                         this object is deleted
42     */
43     ReverbAudioSource (AudioSource* inputSource,
44                        bool deleteInputWhenDeleted);
45 
46     /** Destructor. */
47     ~ReverbAudioSource() override;
48 
49     //==============================================================================
50     /** Returns the parameters from the reverb. */
getParameters()51     const Reverb::Parameters& getParameters() const noexcept    { return reverb.getParameters(); }
52 
53     /** Changes the reverb's parameters. */
54     void setParameters (const Reverb::Parameters& newParams);
55 
56     void setBypassed (bool isBypassed) noexcept;
isBypassed()57     bool isBypassed() const noexcept                            { return bypass; }
58 
59     //==============================================================================
60     void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
61     void releaseResources() override;
62     void getNextAudioBlock (const AudioSourceChannelInfo&) override;
63 
64 private:
65     //==============================================================================
66     CriticalSection lock;
67     OptionalScopedPointer<AudioSource> input;
68     Reverb reverb;
69     std::atomic<bool> bypass;
70 
71     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ReverbAudioSource)
72 };
73 
74 } // namespace juce
75