Chris@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: #ifndef FLATTENDYNAMICS_LADSPA_H
Chris@0: #define FLATTENDYNAMICS_LADSPA_H
Chris@0: 
Chris@0: #include <ladspa.h>
Chris@0: 
Chris@0: class FlattenDynamics
Chris@0: {
Chris@0: public:
Chris@0:     static const LADSPA_Descriptor *getDescriptor(unsigned long index);
Chris@0: 
Chris@0: private:
Chris@0:     FlattenDynamics(int sampleRate);
Chris@0:     ~FlattenDynamics();
Chris@0: 
Chris@0:     enum {
Chris@1:         AudioInputPort     = 0,
Chris@1: 	AudioOutputPort    = 1,
Chris@1:         GainOutputPort     = 2,
Chris@1: 	PortCount          = 3,
Chris@0:     };
Chris@0: 
Chris@0:     static const char *const portNames[PortCount];
Chris@0:     static const LADSPA_PortDescriptor ports[PortCount];
Chris@0:     static const LADSPA_PortRangeHint hints[PortCount];
Chris@0:     static const LADSPA_Properties properties;
Chris@0:     static const LADSPA_Descriptor ladspaDescriptor;
Chris@0: 
Chris@0:     static LADSPA_Handle instantiate(const LADSPA_Descriptor *, unsigned long);
Chris@0:     static void connectPort(LADSPA_Handle, unsigned long, LADSPA_Data *);
Chris@0:     static void activate(LADSPA_Handle);
Chris@0:     static void run(LADSPA_Handle, unsigned long);
Chris@0:     static void deactivate(LADSPA_Handle);
Chris@0:     static void cleanup(LADSPA_Handle);
Chris@0: 
Chris@0:     void reset();
Chris@0:     void runImpl(unsigned long);
Chris@1:     float process(float);
Chris@1:     void updateRMS(float);
Chris@0:     void updateParameters();
Chris@0: 
Chris@0:     int m_sampleRate;
Chris@0:     float *m_input;
Chris@0:     float *m_output;
Chris@1:     float *m_pgain;
Chris@1: 
Chris@1:     float *m_history;
Chris@1:     int m_histlen;
Chris@1:     int m_histwrite;
Chris@1:     int m_histread;
Chris@1: 
Chris@7:     double m_sumOfSquaresLongTerm;
Chris@7:     double m_sumOfSquaresShortTerm;
Chris@7: 
Chris@7:     float m_rmsLongTerm;
Chris@7:     float m_rmsShortTerm;
Chris@7: 
Chris@7:     float m_maxRmsLongTerm;
Chris@7: 
Chris@1:     float m_gain;
Chris@0: };
Chris@0: 
Chris@0: #endif