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send.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.

*/

#ifndef __ardour_send_h__
#define __ardour_send_h__

#include <sigc++/signal.h>
#include <string>


#include <pbd/stateful.h> 
#include <ardour/ardour.h>
#include <ardour/audioengine.h>
#include <ardour/io.h>
#include <ardour/redirect.h>

namespace ARDOUR {

class Send : public Redirect 
{
  public:   
      Send (Session&, Placement);
      Send (Session&, const XMLNode&);
      Send (const Send&);
      virtual ~Send ();

      uint32_t bit_slot() const { return bitslot; }
      
      void run (vector<Sample *> &bufs, uint32_t nbufs, nframes_t nframes);
      void activate() {}
      void deactivate () {}

      void set_metering (bool yn);

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

      uint32_t pans_required() const { return expected_inputs; }
      void expect_inputs (uint32_t);

      static uint32_t how_many_sends();

  private:
      bool _metering;
      uint32_t expected_inputs;
      uint32_t bitslot;
};

} // namespace ARDOUR

#endif /* __ardour_send_h__ */

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