tracktion_FadeInOutAudioNode.h

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 /*
    ,--.                     ,--.     ,--.  ,--.
  ,-'  '-.,--.--.,--,--.,---.|  |,-.,-'  '-.`--' ,---. ,--,--,      Copyright 2024
  '-.  .-'|  .--' ,-.  | .--'|     /'-.  .-',--.| .-. ||      \   Tracktion Software
    |  |  |  |  \ '-'  \ `--.|  \  \  |  |  |  |' '-' '|  ||  |       Corporation
    `---' `--'   `--`--'`---'`--'`--' `---' `--' `---' `--''--'    www.tracktion.com
 
    Tracktion Engine uses a GPL/commercial licence - see LICENCE.md for details.
*/
 
#pragma once
 
namespace tracktion { inline namespace engine
{
 
class FadeInOutAudioNode : public SingleInputAudioNode
{
public:
    FadeInOutAudioNode (AudioNode* input,
                        legacy::EditTimeRange fadeIn,
                        legacy::EditTimeRange fadeOut,
                        AudioFadeCurve::Type fadeInType,
                        AudioFadeCurve::Type fadeOutType,
                        bool clearSamplesOutsideFade = true);
 
    ~FadeInOutAudioNode() override;
 
    static AudioNode* createForEdit (Edit&, AudioNode* input);
 
    //==============================================================================
    void renderOver (const AudioRenderContext& rc) override;
    void renderAdding (const AudioRenderContext& rc) override;
 
    void renderSection (const AudioRenderContext&, legacy::EditTimeRange);
 
private:
    //==============================================================================
    legacy::EditTimeRange fadeIn, fadeOut;
    AudioFadeCurve::Type fadeInType, fadeOutType;
    bool clearExtraSamples = true;
 
    bool renderingNeeded (const AudioRenderContext&) const;
 
    static int timeToSample (const AudioRenderContext&, legacy::EditTimeRange, double);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FadeInOutAudioNode)
};
 
}} // namespace tracktion { inline namespace engine