tracktion_CombiningAudioNode.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
 
#include "tracktion_AudioNode.h"
 
 
namespace tracktion { inline namespace engine
{
 
class CombiningAudioNode   : public AudioNode
{
public:
    CombiningAudioNode();
    ~CombiningAudioNode() override;
 
    //==============================================================================
    void addInput (legacy::EditTimeRange time, AudioNode* inputNode);
 
    void clear();
 
    //==============================================================================
    void getAudioNodeProperties (AudioNodeProperties&) override;
    void visitNodes (const VisitorFn&) override;
 
    bool purgeSubNodes (bool keepAudio, bool keepMidi) override;
 
    void prepareAudioNodeToPlay (const PlaybackInitialisationInfo&) override;
    bool isReadyToRender() override;
    void releaseAudioNodeResources() override;
 
    void renderOver (const AudioRenderContext&) override;
    void renderAdding (const AudioRenderContext&) override;
    void prepareForNextBlock (const AudioRenderContext&) override;
 
    void renderSection (const AudioRenderContext&, legacy::EditTimeRange);
 
private:
    struct TimedAudioNode;
    juce::OwnedArray<TimedAudioNode> inputs;
    juce::OwnedArray<juce::Array<TimedAudioNode*>> groups;
 
    bool hasAudio = false, hasMidi = false;
    int maxNumberOfChannels = 0;
 
    void prefetchGroup (const AudioRenderContext&, double time);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CombiningAudioNode)
};
 
}} // namespace tracktion { inline namespace engine