/*
  This file is part of LilyPond, the GNU music typesetter.

  Copyright (C) 1997--2012 Jan Nieuwenhuizen <janneke@gnu.org>

  LilyPond 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 3 of the License, or
  (at your option) any later version.

  LilyPond 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 LilyPond.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "performance.hh"

#include <ctime>
using namespace std;

#include "audio-column.hh"
#include "audio-staff.hh"
#include "file-name.hh"
#include "international.hh"
#include "lily-version.hh"
#include "main.hh"
#include "midi-chunk.hh"
#include "midi-stream.hh"
#include "score.hh"
#include "string-convert.hh"
#include "warn.hh"

Performance::Performance (bool ports)
  : midi_ (0),
    ports_ (ports)
{
}

Performance::~Performance ()
{
  junk_pointers (audio_elements_);
}

void
Performance::output (Midi_stream &midi_stream) const
{
  int tracks_ = audio_staffs_.size ();

  midi_stream.write (Midi_header (1, tracks_, 384));
  debug_output (_ ("Track...") + " ", false);

  for (vsize i = 0; i < audio_staffs_.size (); i++)
    {
      Audio_staff *s = audio_staffs_[i];
      debug_output ("[" + ::to_string (i), true);
      s->output (midi_stream, i, ports_);
      debug_output ("]", false);
    }
}

void
Performance::add_element (Audio_element *p)
{
  audio_elements_.push_back (p);
}

void
Performance::write_output (string out) const
{
  if (out == "-")
    out = "lelie.midi";

  /* Maybe a bit crude, but we had this before */
  File_name file_name (out);
  out = file_name.to_string ();

  Midi_stream midi_stream (out);
  message (_f ("MIDI output to `%s'...", out));

  output (midi_stream);
  progress_indication ("\n");
}

void
Performance::process ()
{
}

Performance *
unsmob_performance (SCM x)
{
  return dynamic_cast<Performance *> (unsmob_music_output (x));
}
