//-------------------------------------------------------------------------
// Filename:      sequence.hh
// Version:       $Id: sequence.hh,v 1.1.2.2 1999/06/09 10:14:03 erik Exp $
// Copyright:     Copyright (C) 1999, Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
// Author:        Erik Mouw <J.A.K.Mouw@its.tudelft.nl>
// Description:   MIDI sequence class
// Created at:    Sat May 15 14:55:46 1999
// Modified by:   Erik Mouw <J.A.K.Mouw@its.tudelft.nl>
// Modified at:   Wed May 26 17:02:53 1999
//-------------------------------------------------------------------------
// 
// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

#ident "$Id: sequence.hh,v 1.1.2.2 1999/06/09 10:14:03 erik Exp $"

#ifndef musica_sequence_hh
#define musica_sequence_hh




#include "track.hh"
#include "mididevice.hh"




static const int maxMidiTracks = 32;




class midiSequence
{
private:
  int numTracks;
  int division; // delta time / quarter note
  int frames;    // frames / second
  int units;    // units / frame
  
  midiTrack *tracks[maxMidiTracks];
  long int currentTimes[maxMidiTracks];
  long int nextTimes[maxMidiTracks];
  
  long int allCurrentTime;
  long int allNextTime;

  int currentTrack;
  int nextTrack;

  void updateState(void);

public:
  // constructor
  midiSequence(void);

  // destructor
  ~midiSequence(void);

  void setDivision(int d) { frames = units = -1; division = d; };
  void setDivision(int f, int u) { division = -1; frames = f; units = u; };
  int getDivision(void);

  int addTrack(midiTrack *track);
  int getNumTracks(void) { return(numTracks); };

  void rewind(void);

  long int getCurrentTime(void) { return(allCurrentTime); };
  long int getNextTime(void) { return(allNextTime); };
  long int getDeltaTime(void);

  void play(midiDevice *device, midiPlayer *player);
};




#endif