export_status.h

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/*
    Copyright (C) 2008 Paul Davis
    Author: Sakari Bergen

    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_export_status_h__
#define __ardour_export_status_h__

#include <stdint.h>

#include "ardour/libardour_visibility.h"
#include "ardour/types.h"

#include "pbd/signals.h"

namespace ARDOUR
{

class LIBARDOUR_API ExportStatus {
  public:
        ExportStatus ();
        void init ();

        /* Status info */

        volatile bool           stop;
        volatile bool           running;

        void abort (bool error_occurred = false);
        bool aborted () const { return _aborted; }
        bool errors () const { return _errors; }

        PBD::Signal0<void>      Finished;
        void finish ();
        bool finished () const { return _finished; }

        void cleanup ();

        /* Progress info */

        volatile bool           normalizing;

        volatile uint32_t       total_timespans;
        volatile uint32_t       timespan;
        std::string             timespan_name;

        volatile framecnt_t     total_frames;
        volatile framecnt_t     processed_frames;

        volatile framecnt_t     total_frames_current_timespan;
        volatile framecnt_t     processed_frames_current_timespan;

        volatile uint32_t       total_normalize_cycles;
        volatile uint32_t       current_normalize_cycle;

  private:
        volatile bool          _aborted;
        volatile bool          _errors;
        volatile bool          _finished;

};

} // namespace ARDOUR

#endif /* __ardour_export_status_h__ */