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vst_plugin.h

/*
    Copyright (C) 2004 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: vst_plugin.h,v 1.8 2004/12/11 23:57:44 pauld Exp $
*/

#ifndef __ardour_vst_plugin_h__
#define __ardour_vst_plugin_h__

#include <list>
#include <map>
#include <set>
#include <vector>
#include <string>
#include <dlfcn.h>

#include <midi++/controllable.h>
#include <sigc++/signal_system.h>

#include <jack/types.h>
#include <ardour/stateful.h>
#include <ardour/plugin_state.h>
#include <ardour/plugin.h>
#include <ardour/vst_plugin.h>

using std::string;
using std::vector;
using std::list;
using std::map;

struct _FSTHandle;
struct _FST;
typedef struct _FSTHandle FSTHandle;
typedef struct _FST FST;
class AEffect;

namespace ARDOUR {
class AudioEngine;
class Session;

class VSTPlugin : public ARDOUR::Plugin
{
  public:
      VSTPlugin (ARDOUR::AudioEngine&, ARDOUR::Session&, FSTHandle* handle);
      VSTPlugin (const VSTPlugin &);
      ~VSTPlugin ();

      /* Plugin interface */
      
      uint32_t unique_id() const;
      const char * label() const;
      const char * name() const;
      const char * maker() const;
      uint32_t parameter_count() const;
      float default_value (uint32_t port);
      jack_nframes_t latency() const;
      void set_parameter (uint32_t port, float val);
      float get_parameter (uint32_t port) const;
      int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
      std::set<uint32_t> automatable() const;
      uint32_t nth_parameter (uint32_t port, bool& ok) const;
      void activate ();
      void deactivate ();
      void set_block_size (jack_nframes_t nframes);
      int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset);
      void store_state (ARDOUR::PluginState&);
      void restore_state (ARDOUR::PluginState&);
      string describe_parameter (uint32_t);
      string state_node_name() const { return "vst"; }
      void print_parameter (uint32_t, char*, uint32_t len) const;

      bool parameter_is_audio(uint32_t i) const { return false; }
      bool parameter_is_control(uint32_t i) const { return true; }
      bool parameter_is_input(uint32_t i) const { return true; }
      bool parameter_is_output(uint32_t i) const { return false; }

      bool load_preset (const string preset_label );
      bool save_preset(string name);

      bool has_editor () const;

      XMLNode& get_state();
      int set_state(const XMLNode& node);

      AEffect* plugin() const { return _plugin; }
      FST* fst() const { return _fst; }


  private:
      FSTHandle* handle;
      FST*       _fst;
      AEffect*   _plugin;
      bool        been_resumed;
};

}

#endif /* __ardour_vst_plugin_h__ */

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