/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   The code included in this file is provided under the terms of the ISC license
   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
   To use, copy, modify, and/or distribute this software for any purpose with or
   without fee is hereby granted provided that the above copyright notice and
   this permission notice appear in all copies.

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

//==============================================================================
/**
    An AudioSource that uses the Reverb class to apply a reverb to another AudioSource.

    @see Reverb

    @tags{Audio}
*/
class JUCE_API  ReverbAudioSource   : public AudioSource
{
public:
    /** Creates a ReverbAudioSource to process a given input source.

        @param inputSource              the input source to read from - this must not be null
        @param deleteInputWhenDeleted   if true, the input source will be deleted when
                                        this object is deleted
    */
    ReverbAudioSource (AudioSource* inputSource,
                       bool deleteInputWhenDeleted);

    /** Destructor. */
    ~ReverbAudioSource() override;

    //==============================================================================
    /** Returns the parameters from the reverb. */
    const Reverb::Parameters& getParameters() const noexcept    { return reverb.getParameters(); }

    /** Changes the reverb's parameters. */
    void setParameters (const Reverb::Parameters& newParams);

    void setBypassed (bool isBypassed) noexcept;
    bool isBypassed() const noexcept                            { return bypass; }

    //==============================================================================
    void prepareToPlay (int samplesPerBlockExpected, double sampleRate) override;
    void releaseResources() override;
    void getNextAudioBlock (const AudioSourceChannelInfo&) override;

private:
    //==============================================================================
    CriticalSection lock;
    OptionalScopedPointer<AudioSource> input;
    Reverb reverb;
    std::atomic<bool> bypass;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ReverbAudioSource)
};

} // namespace juce
