cmt.h

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/* cmt.h
 
   Computer Music Toolkit - a library of LADSPA plugins. Copyright (C)
   2000-2002 Richard W.E. Furse.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public Licence as
   published by the Free Software Foundation; either version 2 of the
   Licence, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307, USA. */
 
#ifndef CMT_BASE_INCLUDED
#define CMT_BASE_INCLUDED
 
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327
#endif
 
/*****************************************************************************/
 
#include "ladspa_types.h"
 
/*****************************************************************************/

class CMT_ImplementationData {
public:
  virtual ~CMT_ImplementationData() {
  }
};
 
/*****************************************************************************/

 
struct CMT_Descriptor : public _LADSPA_Descriptor {
private:
 
  CMT_Descriptor &operator=(const CMT_Descriptor &) {
    return *this;
  }
  CMT_Descriptor(const CMT_Descriptor &) {
  }
 
public:
 
  ~CMT_Descriptor();

  CMT_Descriptor(unsigned long                       lUniqueID,
                 const char *                        pcLabel,
                 LADSPA_Properties                   iProperties,
                 const char *                        pcName,
                 const char *                        pcMaker,
                 const char *                        pcCopyright,
                 CMT_ImplementationData *            poImplementationData,
                 LADSPA_Instantiate_Function         fInstantiate,
                 LADSPA_Activate_Function            fActivate,
                 LADSPA_Run_Function                 fRun,
                 LADSPA_Run_Adding_Function          fRunAdding,
                 LADSPA_Set_Run_Adding_Gain_Function fSetRunAddingGain,
                 LADSPA_Deactivate_Function          fDeactivate);

  void addPort(LADSPA_PortDescriptor          iPortDescriptor,
               const char *                   pcPortName,
               LADSPA_PortRangeHintDescriptor iHintDescriptor = 0,
               LADSPA_Data                    fLowerBound = 0,
               LADSPA_Data                    fUpperBound = 0);
  
};
 
typedef CMT_Descriptor * CMT_Descriptor_ptr;
 
/*****************************************************************************/

void registerNewPluginDescriptor(CMT_Descriptor * psDescriptor);
 
/*****************************************************************************/

class CMT_PluginInstance {
private:
 
  CMT_PluginInstance &operator=(const CMT_PluginInstance &) {
    return *this;
  }
  CMT_PluginInstance(const CMT_PluginInstance &) {
  }
 
protected:
  
  LADSPA_Data ** m_ppfPorts;
 
  CMT_PluginInstance(const unsigned long lPortCount)
    : m_ppfPorts(new LADSPA_Data_ptr[lPortCount]) {
  }
  virtual ~CMT_PluginInstance() {
    delete [] m_ppfPorts;
  }
 
  friend void CMT_ConnectPort(LADSPA_Handle Instance,
                              unsigned long Port,
                              LADSPA_Data * DataLocation);
  friend void CMT_Cleanup(LADSPA_Handle Instance);
 
};
 
/*****************************************************************************/

template <class T> LADSPA_Handle 
CMT_Instantiate(const LADSPA_Descriptor * Descriptor,
                unsigned long             SampleRate) {
  return new T(Descriptor, SampleRate);
}
 
/*****************************************************************************/

#define CMT_MAKER(AUTHORS)                                              \
        "CMT (http://www.ladspa.org/cmt, plugin by " AUTHORS ")"

#define CMT_COPYRIGHT(YEARS, AUTHORS)                                   \
        "(C)" YEARS ", " AUTHORS ". "                                   \
        "GNU General Public Licence Version 2 applies."
 
/*****************************************************************************/
 
#endif
 
/* EOF */