OverlayNPPI.h

#pragma once
 
#include "Module.h"
#include "CudaCommon.h"
 
class OverlayNPPIProps : public ModuleProps
{
public:
    OverlayNPPIProps(cudastream_sp& _stream)
    {
        stream_sp = _stream;
        stream = _stream->getCudaStream();
        offsetX = 0;
        offsetY = 0;
        globalAlpha = -1;
    }
 
    int offsetX;
    int offsetY;
    int globalAlpha;
    cudaStream_t stream;
    cudastream_sp stream_sp;
 
    size_t getSerializeSize()
    {
        return ModuleProps::getSerializeSize() + sizeof(offsetX) + sizeof(offsetY) + sizeof(globalAlpha) + sizeof(stream);
    }
 
private:
    friend class boost::serialization::access;
 
    template<class Archive>
    void serialize(Archive &ar, const unsigned int version)
    {
        ar & boost::serialization::base_object<ModuleProps>(*this);
        ar & offsetX;
        ar & offsetY;
        ar & globalAlpha;
    }
};
 
class OverlayNPPI : public Module
{
 
public:
    OverlayNPPI(OverlayNPPIProps _props);
    virtual ~OverlayNPPI();
    bool init();
    bool term();
 
    void setProps(OverlayNPPIProps& props);
    OverlayNPPIProps getProps();
 
protected:
    bool process(frame_container& frames);
    bool processSOS(frame_sp& frame);
    bool validateInputOutputPins();
    bool validateInputPins();
    bool validateOutputPins();
    void addInputPin(framemetadata_sp& metadata, string& pinId); // throws exception if validation fails     
    bool shouldTriggerSOS();
    bool processEOS(string& pinId);
    bool handlePropsChange(frame_sp& frame);
 
private:
    void setMetadata(framemetadata_sp& metadata);
 
    class Detail;
    boost::shared_ptr<Detail> mDetail;
 
    int mFrameType;
    size_t mFrameLength;
    framemetadata_sp mOutputMetadata;
    std::string mOutputPinId;
    OverlayNPPIProps props;        
};