tracktion_CombiningNode.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.
*/
 
namespace tracktion { inline namespace engine
{
 
class CombiningNode final : public tracktion::graph::Node,
                            public TracktionEngineNode
{
public:
    CombiningNode (EditItemID, ProcessState&);
    ~CombiningNode() override;
 
    //==============================================================================
    void addInput (std::unique_ptr<Node>, TimeRange);
 
    void addInput (std::unique_ptr<Node>, BeatRange);
 
    int getNumInputs() const;
 
    std::vector<Node*> getInternalNodes() override;
 
    //==============================================================================
    std::vector<Node*> getDirectInputNodes() override;
    tracktion::graph::NodeProperties getNodeProperties() override;
    void prepareToPlay (const tracktion::graph::PlaybackInitialisationInfo&) override;
    bool isReadyToProcess() override;
    void prefetchBlock (juce::Range<int64_t> /*referenceSampleRange*/) override;
    void process (ProcessContext&) override;
 
    size_t getAllocatedBytes() const override;
 
private:
    const EditItemID itemID;
 
    struct TimedNode;
    juce::OwnedArray<TimedNode> inputs;
    juce::OwnedArray<juce::Array<TimedNode*>> groups;
    std::atomic<bool> isReadyToProcessBlock { false };
    choc::buffer::ChannelArrayBuffer<float> tempAudioBuffer;
    MidiMessageArray noteOffEventsToSend;
 
    tracktion::graph::NodeProperties nodeProperties;
 
    void prefetchGroup (juce::Range<int64_t>, TimeRange, BeatRange);
    void queueNoteOffsForClipsNoLongerPresent (const CombiningNode&);
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CombiningNode)
};
 
}} // namespace tracktion { inline namespace engine