Merge.h

#pragma once
 
#include "Module.h"
#include "declarative/PropertyMacros.h"
 
class MergeProps : public ModuleProps
{
public:
    MergeProps() : ModuleProps()
    {
        maxDelay = 30;
    }
 
    uint32_t maxDelay; // Difference between current frame and first frame in the queue
 
    // ============================================================
    // Property Binding for Declarative Pipeline
    // ============================================================
    template<typename PropsT>
    static void applyProperties(
        PropsT& props,
        const std::map<std::string, apra::ScalarPropertyValue>& values,
        std::vector<std::string>& missingRequired
    ) {
        apra::applyProp(props.maxDelay, "maxDelay", values, false, missingRequired);
    }
 
    apra::ScalarPropertyValue getProperty(const std::string& propName) const {
        if (propName == "maxDelay") return static_cast<int64_t>(maxDelay);
        throw std::runtime_error("Unknown property: " + propName);
    }
 
    bool setProperty(const std::string& propName, const apra::ScalarPropertyValue& value) {
        if (propName == "maxDelay") {
            return apra::applyFromVariant(maxDelay, value);
        }
        return false;
    }
 
    std::vector<std::string> dynamicPropertyNames() const {
        return {};  // maxDelay is not dynamically changeable at runtime
    }
};
 
class Merge : public Module {
public:
 
    Merge(MergeProps _props=MergeProps());
    virtual ~Merge() {}
 
    virtual bool init();
    virtual bool term();
 
protected:  
    bool process(frame_container& frames);
    bool validateInputPins();
    bool validateOutputPins();      
    void addInputPin(framemetadata_sp& metadata, string& pinId);
 
private:    
    class Detail;
    boost::shared_ptr<Detail> mDetail;
};