Logo Search packages:      
Sourcecode: ardour version File versions  Download package

insert.h

/*
    Copyright (C) 2000 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: insert.h,v 1.42 2005/09/09 03:24:25 pauld Exp $
*/

#ifndef __ardour_insert_h__
#define __ardour_insert_h__

#include <vector>
#include <string>
#include <exception>

#include <sigc++/signal_system.h>
#include <ardour/ardour.h>
#include <ardour/redirect.h>
#include <ardour/plugin_state.h>

class XMLNode;

namespace MIDI {
      class Port;
}

namespace ARDOUR {

class Session;
class Plugin;
class Route;

class Insert : public Redirect
{
  public:
      Insert(Session& s, Placement p);
      Insert(Session& s, string name, Placement p);

      Insert(Session& s, Placement p, int imin, int imax, int omin, int omax);
      
      virtual ~Insert() { }

      virtual void run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset) = 0;
      virtual void activate () {}
      virtual void deactivate () {}

      virtual int32_t can_support_input_configuration (int32_t in) const = 0;
      virtual int32_t configure_io (int32_t magic, int32_t in, int32_t out) = 0;
      virtual int32_t compute_output_streams (int32_t cnt) const = 0;
};

class PortInsert : public Insert 
{
  public:
      PortInsert (Session&, Placement);
      PortInsert (Session&, const XMLNode&);
      PortInsert (const PortInsert&);
      ~PortInsert ();

      XMLNode& state(bool full);
      XMLNode& get_state(void);
      int set_state(const XMLNode&);

      void init ();
      void run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset);

      jack_nframes_t latency();
      
      uint32_t output_streams() const;
      uint32_t input_streams() const;

      int32_t can_support_input_configuration (int32_t) const;
      int32_t configure_io (int32_t magic, int32_t in, int32_t out);
      int32_t compute_output_streams (int32_t cnt) const;
};

struct PluginInsertState : public RedirectState
{
    PluginInsertState (std::string why) 
          : RedirectState (why) {}
    ~PluginInsertState() {}

    PluginState plugin_state;
};

class PluginInsert : public Insert
{
  public:
      PluginInsert (Session&, Plugin&, Placement);
      PluginInsert (Session&, const XMLNode&);
      PluginInsert (const PluginInsert&);
      ~PluginInsert ();

      static const string port_automation_node_name;
      
      XMLNode& state(bool);
      XMLNode& get_state(void);
      int set_state(const XMLNode&);

      StateManager::State* state_factory (std::string why) const;
      Change restore_state (StateManager::State&);

      void run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset);
      void silence (jack_nframes_t nframes, jack_nframes_t offset);
      void activate ();
      void deactivate ();

      void set_block_size (jack_nframes_t nframes);

      uint32_t output_streams() const;
      uint32_t input_streams() const;
      uint32_t natural_output_streams() const;
      uint32_t natural_input_streams() const;

      int      set_count (uint32_t num);
      uint32_t get_count () const { return _plugins.size(); }

      int32_t can_support_input_configuration (int32_t) const;
      int32_t configure_io (int32_t magic, int32_t in, int32_t out);
      int32_t compute_output_streams (int32_t cnt) const;

      bool is_generator() const;

      void reset_midi_control (MIDI::Port*, bool);
      void send_all_midi_feedback ();

      void set_parameter (uint32_t port, float val);

      AutoState get_port_automation_state (uint32_t port);
      void set_port_automation_state (uint32_t port, AutoState);
      void protect_automation ();

      float default_parameter_value (uint32_t which);

      Plugin& plugin(uint32_t num=0) const {
            if (num < _plugins.size()) { 
                  return *_plugins[num];
            } else {
                  return *_plugins[0]; // we always have one
            }
      }

      string describe_parameter (uint32_t);

      jack_nframes_t latency();

      void transport_stopped (jack_nframes_t now);
      void automation_snapshot (jack_nframes_t now);

  protected:
      void store_state (PluginInsertState&) const;

  private:

      void parameter_changed (uint32_t, float);
      
      vector<Plugin*> _plugins;
      void automation_run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset);
      void connect_and_run (vector<Sample *>& bufs, uint32_t nbufs, jack_nframes_t nframes, jack_nframes_t offset, bool with_auto, jack_nframes_t now = 0);

      void init ();
      void set_automatable ();
      void auto_state_changed (uint32_t which);
      void automation_list_creation_callback (uint32_t, AutomationList&);

      Plugin* plugin_factory (Plugin&);
};

}; /* namespace ARDOUR */

#endif /* __ardour_insert_h__ */

Generated by  Doxygen 1.6.0   Back to index