MidiToAudioExporter.java

package org.herac.tuxguitar.io.gervill;

import java.io.OutputStream;

import org.herac.tuxguitar.io.base.TGFileFormat;
import org.herac.tuxguitar.io.base.TGFileFormatException;
import org.herac.tuxguitar.io.base.TGLocalFileExporter;
import org.herac.tuxguitar.player.base.MidiSequenceParser;
import org.herac.tuxguitar.song.managers.TGSongManager;
import org.herac.tuxguitar.song.models.TGSong;

public class MidiToAudioExporter implements TGLocalFileExporter {

  private MidiToAudioSettings settings;
  private OutputStream stream;

  public MidiToAudioExporter() {
    this.settings = new MidiToAudioSettings();
    this.settings.setDefaults();
  }

  public boolean configure(boolean setDefaults) {
    if (!setDefaults) {
      return new MidiToAudioSettingsDialog().open(this.settings);
    }
    this.settings.setDefaults();

    return true;
  }

  public void exportSong(TGSong song) throws TGFileFormatException {
    try {
      if (this.stream != null) {
        TGSongManager manager = new TGSongManager();
        manager.setSong(song);
        MidiSequenceParser parser = new MidiSequenceParser(manager,
            MidiSequenceParser.DEFAULT_EXPORT_FLAGS, 100, 0);
        MidiSequenceHandlerImpl sequence = new MidiSequenceHandlerImpl((song
            .countTracks() + 1));
        parser.parse(sequence);
        MidiToAudioWriter.write(this.stream, sequence.getEvents(),
            this.settings);
      }
    } catch (Throwable throwable) {
      throw new TGFileFormatException(throwable.getMessage(), throwable);
    }
  }

  public String getExportName() {
    return "Audio File";
  }

  public TGFileFormat getFileFormat() {
    return new TGFileFormat(this.settings.getType().toString(),
        ("*." + this.settings.getType().getExtension()));
  }

  public void init(OutputStream stream) {
    this.stream = stream;
  }
}