LadspaWrapper.hxx

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#ifndef _LadspaWrapper_hxx_
#define _LadspaWrapper_hxx_

#include "DataTypes.hxx"
#include "OutControl.hxx"
#include "InControl.hxx"
#include "Processing.hxx"
#include "RunTimeLibraryLoader.hxx"

#include <ladspa.h>

#include <string>

namespace CLAM
{
        class AudioInPort;
        class AudioOutPort;

class LadspaWrapper : public Processing
{
private:
        typedef void * SOPointer;
        LADSPA_Handle _instance;
        const LADSPA_Descriptor * _descriptor;
        SOPointer _sharedObject;
        std::string _libraryFileName;

        std::vector< AudioInPort* > _inputPorts;
        std::vector< AudioOutPort* > _outputPorts;

        std::vector< FloatInControl* > _inputControls;
        std::vector< FloatOutControl* > _outputControls;
        std::vector< LADSPA_Data > _outputControlValues;
        unsigned _bufferSize;
        std::string _factoryKey;
        void RemovePortsAndControls();
        void ConfigurePortsAndControls();
        void ConfigureControlsPointers();
        void DoUpdatePortsPointers();

public:
        LadspaWrapper( const Config & c = Config());
        LadspaWrapper( const std::string& libraryFileName, unsigned index, const std::string& factoryKey );
        bool ConcreteStart();
        bool ConcreteStop();
        bool ConcreteConfigure(const ProcessingConfig&);

        bool Do();
        virtual ~LadspaWrapper();

        const char * GetClassName() const;
        
        bool LoadLibraryFunction(const std::string& libraryFileName, unsigned index, const std::string& factoryKey);

};

} //namespace CLAM

#endif