TranscodingTab.java

/*
 * PS3 Media Server, for streaming any medias to your PS3.
 * Copyright (C) 2008  A.Brochard
 *
 * 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; version 2
 * of the License only.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package net.pms.newgui;

import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
import com.sun.jna.Platform;
import net.pms.Messages;
import net.pms.PMS;
import net.pms.configuration.PmsConfiguration;
import net.pms.encoders.Player;
import net.pms.encoders.PlayerFactory;
import net.pms.encoders.PlayerPurpose;
import net.pms.util.FormLayoutUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import static net.pms.encoders.PlayerPurpose.*;

public class TranscodingTab {
	private static final Logger logger = LoggerFactory.getLogger(TranscodingTab.class);
	private static final String COMMON_COL_SPEC = "left:pref, 3dlu, pref:grow";
	private static final String COMMON_ROW_SPEC = "4*(pref, 3dlu), pref, 9dlu, pref, 9dlu:grow, pref";
	private static final String EMPTY_COL_SPEC = "left:pref, 3dlu, pref:grow";
	private static final String EMPTY_ROW_SPEC = "p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p , 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 3dlu, p, 20dlu, p, 3dlu, p, 3dlu, p";
	private static final String LEFT_COL_SPEC = "left:pref, pref, pref, pref, 0:grow";
	private static final String LEFT_ROW_SPEC = "fill:10:grow, 3dlu, p, 3dlu, p, 3dlu, p";
	private static final String MAIN_COL_SPEC = "left:pref, pref, 7dlu, pref, pref, fill:10:grow";
	private static final String MAIN_ROW_SPEC = "fill:10:grow";

	private final PmsConfiguration configuration;
	private ComponentOrientation orientation;

	TranscodingTab(PmsConfiguration configuration) {
		this.configuration = configuration;
		// Apply the orientation for the locale
		Locale locale = new Locale(configuration.getLanguage());
		orientation = ComponentOrientation.getOrientation(locale);
	}
	
	private JCheckBox disableSubs;
	private JTextField forcetranscode;
	private JTextField notranscode;
	private JTextField maxbuffer;
	private JComboBox nbcores;
	private Map<PlayerPurpose, DefaultMutableTreeNode> engineTreeNodes;
	private JPanel tabbedPanel;
	private CardLayout cl;
	private JTextField abitrate;
	private JTree tree;
	private JCheckBox forcePCM;
	private JCheckBox forceDTSinPCM;
	private JComboBox channels;
	private JComboBox vq;
	private JCheckBox ac3remux;
	private JCheckBox mpeg2remux;
	private JCheckBox chapter_support;
	private JTextField chapter_interval;
	private JCheckBox videoHWacceleration;
	private JTextField langs;
	private JTextField defaultsubs;
	private JTextField forcedsub;
	private JTextField forcedtags;
	private JTextField alternateSubFolder;
	private JButton folderSelectButton;
	private JCheckBox subs;
	private JTextField defaultaudiosubs;
	private JComboBox subtitleCodePage;
	private JTextField defaultfont;
	private JButton fontselect;
	private JCheckBox fribidi;
	private JTextField ass_scale;
	private JTextField ass_outline;
	private JTextField ass_shadow;
	private JTextField ass_margin;
	private JButton subColor;

	/*
	 * 16 cores is the maximum allowed by MEncoder as of MPlayer r34863.
	 * Revisions before that allowed only 8.
	 */
	private static final int MAX_CORES = 16;

	private void updateEngineModel() {
		ArrayList<String> engines = new ArrayList<String>();
		Object root = tree.getModel().getRoot();
		for (int i = 0; i < tree.getModel().getChildCount(root); i++) {
			Object firstChild = tree.getModel().getChild(root, i);
			if (!tree.getModel().isLeaf(firstChild)) {
				for (int j = 0; j < tree.getModel().getChildCount(firstChild); j++) {
					Object secondChild = tree.getModel().getChild(firstChild, j);
					if (secondChild instanceof TreeNodeSettings) {
						TreeNodeSettings tns = (TreeNodeSettings) secondChild;
						if (tns.isEnable() && tns.getPlayer() != null) {
							engines.add(tns.getPlayer().id());
						}
					}
				}
			}
		}
		configuration.setEnginesAsList(engines);
	}

	private void handleCardComponentChange(Component component) {
		tabbedPanel.setPreferredSize(component.getPreferredSize());
		tabbedPanel.getParent().invalidate();
		tabbedPanel.getParent().validate();
		tabbedPanel.getParent().repaint();
	}

	public JComponent build() {
		String colSpec = FormLayoutUtil.getColSpec(MAIN_COL_SPEC, orientation);
		FormLayout mainlayout = new FormLayout(colSpec, MAIN_ROW_SPEC);
		PanelBuilder builder = new PanelBuilder(mainlayout);
		builder.border(Borders.DLU4);
		builder.opaque(true);

		CellConstraints cc = new CellConstraints();
		builder.add(buildRightTabbedPanel(), FormLayoutUtil.flip(cc.xyw(4, 1, 3), colSpec, orientation));
		builder.add(buildLeft(), FormLayoutUtil.flip(cc.xy(2, 1), colSpec, orientation));

		JPanel panel = builder.getPanel();
		
		// Apply the orientation to the panel and all components in it
		panel.applyComponentOrientation(orientation);

		return panel;
	}

	private JComponent buildRightTabbedPanel() {
		cl = new CardLayout();
		tabbedPanel = new JPanel(cl);
		tabbedPanel.setBorder(BorderFactory.createEmptyBorder());
		JScrollPane scrollPane = new JScrollPane(tabbedPanel);
		scrollPane.setBorder(BorderFactory.createEmptyBorder());
		return scrollPane;
	}

	public JComponent buildLeft() {
		String colSpec = FormLayoutUtil.getColSpec(LEFT_COL_SPEC, orientation);
		FormLayout layout = new FormLayout(colSpec, LEFT_ROW_SPEC);
		PanelBuilder builder = new PanelBuilder(layout);
		CellConstraints cc = new CellConstraints();

		JButton but = new JButton(LooksFrame.readImageIcon("kdevelop_down-32.png"));
		but.setToolTipText(Messages.getString("TrTab2.6"));
		but.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				TreePath path = tree.getSelectionModel().getSelectionPath();
				if (path != null && path.getLastPathComponent() instanceof TreeNodeSettings) {
					TreeNodeSettings node = ((TreeNodeSettings) path.getLastPathComponent());
					if (node.getPlayer() != null) {
						DefaultTreeModel dtm = (DefaultTreeModel) tree.getModel();   // get the tree model
						//now get the index of the selected node in the DefaultTreeModel
						int index = dtm.getIndexOfChild(node.getParent(), node);
						// if selected node is first, return (can't move it up)
						if (index < node.getParent().getChildCount() - 1) {
							dtm.insertNodeInto(node, (DefaultMutableTreeNode) node.getParent(), index + 1);   // move the node
							dtm.reload();
							for (int i = 0; i < tree.getRowCount(); i++) {
								tree.expandRow(i);
							}
							tree.getSelectionModel().setSelectionPath(new TreePath(node.getPath()));
							updateEngineModel();
						}
					}
				}
			}
		});
		builder.add(but, FormLayoutUtil.flip(cc.xy(2, 3), colSpec, orientation));

		JButton but2 = new JButton(LooksFrame.readImageIcon("up-32.png"));
		but2.setToolTipText(Messages.getString("TrTab2.6"));
		but2.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				TreePath path = tree.getSelectionModel().getSelectionPath();
				if (path != null && path.getLastPathComponent() instanceof TreeNodeSettings) {
					TreeNodeSettings node = ((TreeNodeSettings) path.getLastPathComponent());
					if (node.getPlayer() != null) {
						DefaultTreeModel dtm = (DefaultTreeModel) tree.getModel();   // get the tree model
						//now get the index of the selected node in the DefaultTreeModel
						int index = dtm.getIndexOfChild(node.getParent(), node);
						// if selected node is first, return (can't move it up)
						if (index != 0) {
							dtm.insertNodeInto(node, (DefaultMutableTreeNode) node.getParent(), index - 1);   // move the node
							dtm.reload();
							for (int i = 0; i < tree.getRowCount(); i++) {
								tree.expandRow(i);
							}
							tree.getSelectionModel().setSelectionPath(new TreePath(node.getPath()));
							updateEngineModel();
						}
					}
				}
			}
		});
		builder.add(but2, FormLayoutUtil.flip(cc.xy(3, 3), colSpec, orientation));

		JButton but3 = new JButton(LooksFrame.readImageIcon("connect_no-32.png"));
		but3.setToolTipText(Messages.getString("TrTab2.0"));
		but3.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				TreePath path = tree.getSelectionModel().getSelectionPath();
				if (path != null && path.getLastPathComponent() instanceof TreeNodeSettings && ((TreeNodeSettings) path.getLastPathComponent()).getPlayer() != null) {
					((TreeNodeSettings) path.getLastPathComponent()).setEnable(!((TreeNodeSettings) path.getLastPathComponent()).isEnable());
					updateEngineModel();
					tree.updateUI();
				}
			}
		});
		builder.add(but3, FormLayoutUtil.flip(cc.xy(4, 3), colSpec, orientation));

		DefaultMutableTreeNode root = new DefaultMutableTreeNode(Messages.getString("TrTab2.11"));
		TreeNodeSettings commonEnc = new TreeNodeSettings(Messages.getString("TrTab2.5"), null, buildCommon());
		commonEnc.getConfigPanel().addComponentListener(new ComponentAdapter() {
			@Override
			public void componentShown(ComponentEvent e) {
				handleCardComponentChange(e.getComponent());
			}
		});
		tabbedPanel.add(commonEnc.id(), commonEnc.getConfigPanel());
		root.add(commonEnc);

		engineTreeNodes = new HashMap<PlayerPurpose, DefaultMutableTreeNode>(5);
		engineTreeNodes.put(VIDEO_FILE_PLAYER, new DefaultMutableTreeNode(Messages.getString("TrTab2.14")));
		engineTreeNodes.put(AUDIO_FILE_PLAYER, new DefaultMutableTreeNode(Messages.getString("TrTab2.15")));
		engineTreeNodes.put(VIDEO_WEB_STREAM_PLAYER, new DefaultMutableTreeNode(Messages.getString("TrTab2.16")));
		engineTreeNodes.put(AUDIO_WEB_STREAM_PLAYER, new DefaultMutableTreeNode(Messages.getString("TrTab2.17")));
		engineTreeNodes.put(MISC_PLAYER, new DefaultMutableTreeNode(Messages.getString("TrTab2.18")));
		root.add(engineTreeNodes.get(VIDEO_FILE_PLAYER));
		root.add(engineTreeNodes.get(AUDIO_FILE_PLAYER));
		root.add(engineTreeNodes.get(VIDEO_WEB_STREAM_PLAYER));
		root.add(engineTreeNodes.get(AUDIO_WEB_STREAM_PLAYER));
		root.add(engineTreeNodes.get(MISC_PLAYER));

		tree = new JTree(new DefaultTreeModel(root)) {
			private static final long serialVersionUID = -6703434752606636290L;
		};
		tree.setRootVisible(false);
		tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
		tree.addTreeSelectionListener(new TreeSelectionListener() {
			@Override
			public void valueChanged(TreeSelectionEvent e) {
				if (e.getNewLeadSelectionPath() != null && e.getNewLeadSelectionPath().getLastPathComponent() instanceof TreeNodeSettings) {
					TreeNodeSettings tns = (TreeNodeSettings) e.getNewLeadSelectionPath().getLastPathComponent();
					cl.show(tabbedPanel, tns.id());
				}
			}
		});

		tree.setRequestFocusEnabled(false);
		tree.setCellRenderer(new TreeRenderer());
		JScrollPane pane = new JScrollPane(tree, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);

		builder.add(pane, FormLayoutUtil.flip(cc.xyw(2, 1, 4), colSpec, orientation));

		builder.addLabel(Messages.getString("TrTab2.19"), FormLayoutUtil.flip(cc.xyw(2, 5, 4), colSpec, orientation));
		builder.addLabel(Messages.getString("TrTab2.20"), FormLayoutUtil.flip(cc.xyw(2, 7, 4), colSpec, orientation));

		JPanel panel = builder.getPanel();

		// Apply the orientation to the panel and all components in it
		panel.applyComponentOrientation(orientation);

		return panel;
	}

	public void addEngines() {
		ArrayList<Player> disPlayers = new ArrayList<Player>();
		ArrayList<Player> ordPlayers = new ArrayList<Player>();

		for (String id : configuration.getEnginesAsList()) {
			// boolean matched = false;
			for (Player p : PlayerFactory.getAllPlayers()) {
				if (p.id().equals(id)) {
					ordPlayers.add(p);
					if (p.isVideoHardwareAccelerationReady()) {
						videoHWacceleration.setEnabled(true);
						videoHWacceleration.setSelected(configuration.isVideoHardwareAcceleration());
					}
					// matched = true;
				}
			}
		}

		for (Player p : PlayerFactory.getAllPlayers()) {
			if (!ordPlayers.contains(p)) {
				ordPlayers.add(p);
				disPlayers.add(p);
			}
		}

		for (Player p : ordPlayers) {
			TreeNodeSettings engine = new TreeNodeSettings(p.name(), p, null);

			if (disPlayers.contains(p)) {
				engine.setEnable(false);
			}

			JComponent jc = engine.getConfigPanel();

			if (jc == null) {
				jc = buildEmpty();
			}

			jc.addComponentListener(new ComponentAdapter() {
				@Override
				public void componentShown(ComponentEvent e) {
					handleCardComponentChange(e.getComponent());
				}
			});

			tabbedPanel.add(engine.id(), jc);
			engineTreeNodes.get(p.getPurpose()).add(engine);
		}

		for (int i = 0; i < tree.getRowCount(); i++) {
			tree.expandRow(i);
		}


		tree.setSelectionRow(0);
	}

	public JComponent buildEmpty() {
		String colSpec = FormLayoutUtil.getColSpec(EMPTY_COL_SPEC, orientation);
		FormLayout layout = new FormLayout(colSpec, EMPTY_ROW_SPEC);
		PanelBuilder builder = new PanelBuilder(layout);

		CellConstraints cc = new CellConstraints();

		builder.addSeparator(Messages.getString("TrTab2.1"), FormLayoutUtil.flip(cc.xyw(1, 1, 3), colSpec, orientation));

		JPanel panel = builder.getPanel();

		// Apply the orientation to the panel and all components in it
		panel.applyComponentOrientation(orientation);

		return panel;
	}

	public JComponent buildCommon() {
		String colSpec = FormLayoutUtil.getColSpec(COMMON_COL_SPEC, orientation);
		FormLayout layout = new FormLayout(colSpec, COMMON_ROW_SPEC);
		PanelBuilder builder = new PanelBuilder(layout);

		CellConstraints cc = new CellConstraints();

		JComponent cmp = builder.addSeparator(Messages.getString("NetworkTab.5"), FormLayoutUtil.flip(cc.xyw(1, 1, 3), colSpec, orientation));
		cmp = (JComponent) cmp.getComponent(0);
		cmp.setFont(cmp.getFont().deriveFont(Font.BOLD));
		
		disableSubs = new JCheckBox(Messages.getString("TrTab2.51"),configuration.isDisableSubtitles());
		disableSubs.setContentAreaFilled(false);
 		disableSubs.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setDisableSubtitles((e.getStateChange() == ItemEvent.SELECTED));
			}
		});

		builder.addLabel(Messages.getString("TrTab2.23"), FormLayoutUtil.flip(cc.xy(1, 3), colSpec, orientation));
		maxbuffer = new JTextField("" + configuration.getMaxMemoryBufferSize());
		maxbuffer.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				try {
					int ab = Integer.parseInt(maxbuffer.getText());
					configuration.setMaxMemoryBufferSize(ab);
				} catch (NumberFormatException nfe) {
					logger.debug("Could not parse max memory buffer size from \"" + maxbuffer.getText() + "\"");
				}
			}
		});
		builder.add(maxbuffer, FormLayoutUtil.flip(cc.xy(3, 3), colSpec, orientation));

		String nCpusLabel = String.format(Messages.getString("TrTab2.24"), Runtime.getRuntime().availableProcessors());
		builder.addLabel(nCpusLabel, FormLayoutUtil.flip(cc.xy(1, 5), colSpec, orientation));
		
		String[] guiCores = new String[MAX_CORES];
		for (int i = 0; i < MAX_CORES; i++) {
			guiCores[i] = Integer.toString(i + 1);
		}
		nbcores = new JComboBox(guiCores);
		nbcores.setEditable(false);
		int nbConfCores = configuration.getNumberOfCpuCores();
		if (nbConfCores > 0 && nbConfCores <= MAX_CORES) {
			nbcores.setSelectedItem(Integer.toString(nbConfCores));
		} else {
			nbcores.setSelectedIndex(0);
		}

		nbcores.addItemListener(new ItemListener() {
				@Override
			public void itemStateChanged(ItemEvent e) {
			        configuration.setNumberOfCpuCores(Integer.parseInt(e.getItem().toString()));
			}
		});
		builder.add(nbcores, FormLayoutUtil.flip(cc.xy(3, 5), colSpec, orientation));

		chapter_support = new JCheckBox(Messages.getString("TrTab2.52"), configuration.isChapterSupport());
		chapter_support.setContentAreaFilled(false);
		chapter_support.addItemListener(new ItemListener() {
				@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setChapterSupport((e.getStateChange() == ItemEvent.SELECTED));
				chapter_interval.setEnabled(configuration.isChapterSupport());
			}
		});
		builder.add(chapter_support, FormLayoutUtil.flip(cc.xy(1, 7), colSpec, orientation));
		
		chapter_interval = new JTextField("" + configuration.getChapterInterval());
		chapter_interval.setEnabled(configuration.isChapterSupport());
		chapter_interval.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				try {
					int ab = Integer.parseInt(chapter_interval.getText());
					configuration.setChapterInterval(ab);
				} catch (NumberFormatException nfe) {
					logger.debug("Could not parse chapter interval from \"" + chapter_interval.getText() + "\"");
				}
			}
		});
		builder.add(chapter_interval, FormLayoutUtil.flip(cc.xy(3, 7), colSpec, orientation));
		builder.add(disableSubs, FormLayoutUtil.flip(cc.xy(1, 9), colSpec, orientation));

		JTabbedPane setupTabbedPanel = new JTabbedPane();

		setupTabbedPanel.addTab(Messages.getString("TrTab2.67"), buildVideoSetupPanel());
		setupTabbedPanel.addTab(Messages.getString("TrTab2.68"), buildAudioSetupPanel());
		setupTabbedPanel.addTab(Messages.getString("MEncoderVideo.8"), buildSubtitlesSetupPanel());
		
		builder.add(setupTabbedPanel, FormLayoutUtil.flip(cc.xywh(1, 11, 3, 3), colSpec, orientation));

		JPanel panel = builder.getPanel();
		panel.applyComponentOrientation(orientation);

		return panel;
	}

	private JComponent buildVideoSetupPanel() {
		String colSpec = FormLayoutUtil.getColSpec("left:pref, 2dlu, pref:grow", orientation);
		FormLayout layout = new FormLayout(colSpec, "$lgap, 2*(pref, 2dlu), 10dlu, 10dlu, 3*(pref, 2dlu), pref");
		PanelBuilder builder = new PanelBuilder(layout);
		builder.border(Borders.DLU4);
		CellConstraints cc = new CellConstraints();

		videoHWacceleration = new JCheckBox(Messages.getString("TrTab2.70"), configuration.isVideoHardwareAcceleration());
		videoHWacceleration.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setVideoHardwareAcceleration((e.getStateChange() == ItemEvent.SELECTED));
			}
		});
		builder.add(videoHWacceleration, FormLayoutUtil.flip(cc.xy(1, 2), colSpec, orientation));
		videoHWacceleration.setEnabled(false);

		mpeg2remux = new JCheckBox(Messages.getString("MEncoderVideo.39") + (Platform.isWindows() ? " " + Messages.getString("TrTab2.21") : ""), configuration.isMencoderRemuxMPEG2());
		mpeg2remux.setContentAreaFilled(false);
		mpeg2remux.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setMencoderRemuxMPEG2((e.getStateChange() == ItemEvent.SELECTED));
			}
		});
		builder.add(mpeg2remux, FormLayoutUtil.flip(cc.xyw(1, 6, 3), colSpec, orientation));
		
		JComponent cmp = builder.addSeparator(Messages.getString("TrTab2.7"), FormLayoutUtil.flip(cc.xyw(1, 8, 3), colSpec, orientation));
		cmp = (JComponent) cmp.getComponent(0);
		cmp.setFont(cmp.getFont().deriveFont(Font.BOLD));
		
		builder.add(new JLabel(Messages.getString("TrTab2.32")), FormLayoutUtil.flip(cc.xy(1, 10), colSpec, orientation));
		Object data[] = new Object[] {
			configuration.getMPEG2MainSettings(),                                                   /* current setting */
			String.format("Automatic (Wired)  /* %s */", Messages.getString("TrTab2.71")),
			String.format("Automatic (Wireless)  /* %s */", Messages.getString("TrTab2.72")),
			String.format("keyint=5:vqscale=1:vqmin=2  /* %s */", Messages.getString("TrTab2.60")), /* great */
			String.format("keyint=5:vqscale=1:vqmin=1  /* %s */", Messages.getString("TrTab2.61")), /* lossless */
			String.format("keyint=5:vqscale=2:vqmin=3  /* %s */", Messages.getString("TrTab2.62")), /* good (wired) */
			String.format("keyint=25:vqmax=5:vqmin=2  /* %s */",  Messages.getString("TrTab2.63")), /* good (wireless) */
			String.format("keyint=25:vqmax=7:vqmin=2  /* %s */",  Messages.getString("TrTab2.64")), /* medium (wireless) */
			String.format("keyint=25:vqmax=8:vqmin=3  /* %s */",  Messages.getString("TrTab2.65"))  /* low */
		};

		MyComboBoxModel cbm = new MyComboBoxModel(data);
		vq = new JComboBox(cbm);
		vq.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				if (e.getStateChange() == ItemEvent.SELECTED) {
					String s = (String) e.getItem();
					if (s.indexOf("/*") > -1) {
						s = s.substring(0, s.indexOf("/*")).trim();
					}
					configuration.setMPEG2MainSettings(s);
				}
			}
		});
		vq.getEditor().getEditorComponent().addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				vq.getItemListeners()[0].itemStateChanged(new ItemEvent(vq, 0, vq.getEditor().getItem(), ItemEvent.SELECTED));
			}
		});
		vq.setEditable(true);
		builder.add(vq, FormLayoutUtil.flip(cc.xy(3, 10), colSpec, orientation));

		builder.add(new JLabel(Messages.getString("TrTab2.8")), FormLayoutUtil.flip(cc.xy(1, 12), colSpec, orientation));
		notranscode = new JTextField(configuration.getDisableTranscodeForExtensions());
		notranscode.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setDisableTranscodeForExtensions(notranscode.getText());
			}
		});
		builder.add(notranscode, FormLayoutUtil.flip(cc.xy(3, 12), colSpec, orientation));

		builder.addLabel(Messages.getString("TrTab2.9"), FormLayoutUtil.flip(cc.xy(1, 14), colSpec, orientation));
		forcetranscode = new JTextField(configuration.getForceTranscodeForExtensions());
		forcetranscode.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setForceTranscodeForEtensions(forcetranscode.getText());
			}
		});
		builder.add(forcetranscode, FormLayoutUtil.flip(cc.xy(3, 14), colSpec, orientation));

		JPanel panel = builder.getPanel();
		panel.applyComponentOrientation(orientation);

		return panel;
	}
	
	private JComponent buildAudioSetupPanel() {
		String colSpec = FormLayoutUtil.getColSpec("left:pref, 2dlu, pref:grow", orientation);
		FormLayout layout = new FormLayout(colSpec, "$lgap, pref, 2dlu, 4*(pref, 2dlu), pref, 12dlu, 3*(pref, 2dlu), pref:grow");
		PanelBuilder builder = new PanelBuilder(layout);
		builder.border(Borders.DLU4);
		CellConstraints cc = new CellConstraints();
	
		builder.addLabel(Messages.getString("TrTab2.50"), FormLayoutUtil.flip(cc.xy(1, 2), colSpec, orientation));

		channels = new JComboBox(new Object[]{Messages.getString("TrTab2.55"),  Messages.getString("TrTab2.56") /*, "8 channels 7.1" */}); // 7.1 not supported by Mplayer :\
		channels.setEditable(false);
		if (configuration.getAudioChannelCount() == 2) {
			channels.setSelectedIndex(0);
		} else {
			channels.setSelectedIndex(1);
		}
		channels.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setAudioChannelCount(Integer.parseInt(e.getItem().toString().substring(0, 1)));
			}
		});
		builder.add(channels, FormLayoutUtil.flip(cc.xy(3, 2), colSpec, orientation));

		forcePCM = new JCheckBox(Messages.getString("TrTab2.27"), configuration.isAudioUsePCM());
		forcePCM.setContentAreaFilled(false);
		forcePCM.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setAudioUsePCM(e.getStateChange() == ItemEvent.SELECTED);
			}
		});
		builder.add(forcePCM, FormLayoutUtil.flip(cc.xy(1, 4), colSpec, orientation));

		ac3remux = new JCheckBox(Messages.getString("TrTab2.26") + " " + (Platform.isWindows() ? Messages.getString("TrTab2.21") : ""));

		if (configuration.isAudioRemuxAC3()) {
			ac3remux.setSelected(true);
		}

		ac3remux.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setAudioRemuxAC3((e.getStateChange() == ItemEvent.SELECTED));
			}
		});
		builder.add(ac3remux, FormLayoutUtil.flip(cc.xyw(1, 6, 3), colSpec, orientation));

		forceDTSinPCM = new JCheckBox(Messages.getString("TrTab2.28") + (Platform.isWindows() ? " " + Messages.getString("TrTab2.21") : ""), configuration.isAudioEmbedDtsInPcm());
		forceDTSinPCM.setContentAreaFilled(false);
		forceDTSinPCM.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				configuration.setAudioEmbedDtsInPcm(forceDTSinPCM.isSelected());
				if (configuration.isAudioEmbedDtsInPcm()) {
					JOptionPane.showMessageDialog(
							(JFrame) (SwingUtilities.getWindowAncestor((Component) PMS.get().getFrame())),
							Messages.getString("TrTab2.10"),
							Messages.getString("Dialog.Information"),
							JOptionPane.INFORMATION_MESSAGE);
				}
			}
		});
		builder.add(forceDTSinPCM, FormLayoutUtil.flip(cc.xyw(1, 8, 3), colSpec, orientation));

		builder.addLabel(Messages.getString("TrTab2.29"), FormLayoutUtil.flip(cc.xy(1, 10), colSpec, orientation));
		abitrate = new JTextField("" + configuration.getAudioBitrate());
		abitrate.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				try {
					int ab = Integer.parseInt(abitrate.getText());
					configuration.setAudioBitrate(ab);
				} catch (NumberFormatException nfe) {
					logger.debug("Could not parse audio bitrate from \"" + abitrate.getText() + "\"");
				}
			}
		});
		builder.add(abitrate, FormLayoutUtil.flip(cc.xy(3, 10), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.7"), FormLayoutUtil.flip(cc.xy(1, 12), colSpec, orientation));
		langs = new JTextField(configuration.getAudioLanguages());
		langs.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAudioLanguages(langs.getText());
			}
		});
		builder.add(langs, FormLayoutUtil.flip(cc.xy(3, 12), colSpec, orientation));

		JPanel panel = builder.getPanel();
		panel.applyComponentOrientation(orientation);

	return panel;
}
	
	private JComponent buildSubtitlesSetupPanel() {
		String colSpec = FormLayoutUtil.getColSpec("left:pref, 3dlu, p:grow, 3dlu, right:p:grow, 3dlu, p:grow, 3dlu, right:p:grow,3dlu, p:grow, 3dlu, right:p:grow,3dlu, pref:grow", orientation);
		FormLayout layout = new FormLayout(colSpec, "$lgap, 7*(pref, 3dlu), pref");
		final PanelBuilder builder = new PanelBuilder(layout);
		builder.border(Borders.DLU4);
		CellConstraints cc = new CellConstraints();

		builder.addLabel(Messages.getString("MEncoderVideo.9"), FormLayoutUtil.flip(cc.xy(1, 2), colSpec, orientation));
		defaultsubs = new JTextField(configuration.getSubtitlesLanguages());
		defaultsubs.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setSubtitlesLanguages(defaultsubs.getText());
			}
		});
		builder.add(defaultsubs, FormLayoutUtil.flip(cc.xyw(3, 2, 5), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.94"), FormLayoutUtil.flip(cc.xyw(8, 2, 2, CellConstraints.RIGHT, CellConstraints.CENTER), colSpec, orientation));
		forcedsub = new JTextField(configuration.getForcedSubtitleLanguage());
		forcedsub.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setForcedSubtitleLanguage(forcedsub.getText());
			}
		});
		builder.add(forcedsub, FormLayoutUtil.flip(cc.xyw(11, 2, 2), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.95"), FormLayoutUtil.flip(cc.xyw(12, 2, 2, CellConstraints.RIGHT, CellConstraints.CENTER), colSpec, orientation));
		forcedtags = new JTextField(configuration.getForcedSubtitleTags());
		forcedtags.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setForcedSubtitleTags(forcedtags.getText());
			}
		});
		builder.add(forcedtags, FormLayoutUtil.flip(cc.xyw(14, 2, 2), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.10"), FormLayoutUtil.flip(cc.xy(1, 4), colSpec, orientation));
		defaultaudiosubs = new JTextField(configuration.getAudioSubLanguages());
		defaultaudiosubs.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAudioSubLanguages(defaultaudiosubs.getText());
			}
		});
		builder.add(defaultaudiosubs, FormLayoutUtil.flip(cc.xyw(3, 4, 8), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.37"), FormLayoutUtil.flip(cc.xyw(1, 6, 2), colSpec, orientation));
		alternateSubFolder = new JTextField(configuration.getAlternateSubtitlesFolder());
		alternateSubFolder.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAlternateSubtitlesFolder(alternateSubFolder.getText());
			}
		});
		builder.add(alternateSubFolder, FormLayoutUtil.flip(cc.xyw(3, 6, 8), colSpec, orientation));

		folderSelectButton = new JButton("...");
		folderSelectButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				JFileChooser chooser;
				try {
					chooser = new JFileChooser();
				} catch (Exception ee) {
					chooser = new JFileChooser(new RestrictedFileSystemView());
				}
				chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
				int returnVal = chooser.showDialog((Component) e.getSource(), Messages.getString("FoldTab.28"));
				if (returnVal == JFileChooser.APPROVE_OPTION) {
					alternateSubFolder.setText(chooser.getSelectedFile().getAbsolutePath());
					configuration.setAlternateSubtitlesFolder(chooser.getSelectedFile().getAbsolutePath());
				}
			}
		});
		builder.add(folderSelectButton, FormLayoutUtil.flip(cc.xyw(11, 6, 2), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.11"), FormLayoutUtil.flip(cc.xy(1, 8), colSpec, orientation));
		Object data[] = new Object[]{
			configuration.getSubtitlesCodepage(),
			Messages.getString("MEncoderVideo.96"),
			Messages.getString("MEncoderVideo.97"),
			Messages.getString("MEncoderVideo.98"),
			Messages.getString("MEncoderVideo.99"),
			Messages.getString("MEncoderVideo.100"),
			Messages.getString("MEncoderVideo.101"),
			Messages.getString("MEncoderVideo.102"),
			Messages.getString("MEncoderVideo.103"),
			Messages.getString("MEncoderVideo.104"),
			Messages.getString("MEncoderVideo.105"),
			Messages.getString("MEncoderVideo.106"),
			Messages.getString("MEncoderVideo.107"),
			Messages.getString("MEncoderVideo.108"),
			Messages.getString("MEncoderVideo.109"),
			Messages.getString("MEncoderVideo.110"),
			Messages.getString("MEncoderVideo.111"),
			Messages.getString("MEncoderVideo.112"),
			Messages.getString("MEncoderVideo.113"),
			Messages.getString("MEncoderVideo.114"),
			Messages.getString("MEncoderVideo.115"),
			Messages.getString("MEncoderVideo.116"),
			Messages.getString("MEncoderVideo.117"),
			Messages.getString("MEncoderVideo.118"),
			Messages.getString("MEncoderVideo.119"),
			Messages.getString("MEncoderVideo.120"),
			Messages.getString("MEncoderVideo.121"),
			Messages.getString("MEncoderVideo.122"),
			Messages.getString("MEncoderVideo.123"),
			Messages.getString("MEncoderVideo.124")
		};

		MyComboBoxModel cbm = new MyComboBoxModel(data);
		subtitleCodePage = new JComboBox(cbm);
		subtitleCodePage.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				if (e.getStateChange() == ItemEvent.SELECTED) {
					String s = (String) e.getItem();
					int offset = s.indexOf("/*");

					if (offset > -1) {
						s = s.substring(0, offset).trim();
					}

					configuration.setSubtitlesCodepage(s);
				}
			}
		});

		subtitleCodePage.getEditor().getEditorComponent().addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				subtitleCodePage.getItemListeners()[0].itemStateChanged(new ItemEvent(subtitleCodePage, 0, subtitleCodePage.getEditor().getItem(), ItemEvent.SELECTED));
			}
		});

		subtitleCodePage.setEditable(true);
		builder.add(subtitleCodePage, FormLayoutUtil.flip(cc.xyw(3, 8, 7), colSpec, orientation));

		fribidi = new JCheckBox(Messages.getString("MEncoderVideo.23"));
		fribidi.setContentAreaFilled(false);

		if (configuration.isMencoderSubFribidi()) {
			fribidi.setSelected(true);
		}

		fribidi.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setMencoderSubFribidi(e.getStateChange() == ItemEvent.SELECTED);
			}
		});

		builder.add(fribidi, FormLayoutUtil.flip(cc.xyw(11, 8, 4), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.24"), FormLayoutUtil.flip(cc.xy(1, 10), colSpec, orientation));
		defaultfont = new JTextField(configuration.getFont());
		defaultfont.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setFont(defaultfont.getText());
			}
		});

		builder.add(defaultfont, FormLayoutUtil.flip(cc.xyw(3, 10, 8), colSpec, orientation));

		fontselect = new JButton("...");
		fontselect.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				JFileChooser chooser = new JFileChooser();
				chooser.setFileFilter(new FontFileFilter());
				int returnVal = chooser.showDialog((Component) e.getSource(), Messages.getString("MEncoderVideo.25"));
				if (returnVal == JFileChooser.APPROVE_OPTION) {
					defaultfont.setText(chooser.getSelectedFile().getAbsolutePath());
					configuration.setFont(chooser.getSelectedFile().getAbsolutePath());
				}
			}
		});

		builder.add(fontselect, FormLayoutUtil.flip(cc.xyw(11, 10, 2), colSpec, orientation));

		builder.addLabel(Messages.getString("MEncoderVideo.12"), FormLayoutUtil.flip(cc.xy(1, 12), colSpec, orientation));
		builder.addLabel(Messages.getString("MEncoderVideo.133"), FormLayoutUtil.flip(cc.xy(1, 14), colSpec, orientation));
		ass_scale = new JTextField(configuration.getAssScale());
		ass_scale.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAssScale(ass_scale.getText());
			}
		});

		builder.addLabel(Messages.getString("MEncoderVideo.13"), FormLayoutUtil.flip(cc.xy(5, 12), colSpec, orientation));

		ass_outline = new JTextField(configuration.getAssOutline());
		ass_outline.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAssOutline(ass_outline.getText());
			}
		});

		builder.addLabel(Messages.getString("MEncoderVideo.14"), FormLayoutUtil.flip(cc.xy(9, 12), colSpec, orientation));

		ass_shadow = new JTextField(configuration.getAssShadow());
		ass_shadow.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAssShadow(ass_shadow.getText());
			}
		});

		builder.addLabel(Messages.getString("MEncoderVideo.15"), FormLayoutUtil.flip(cc.xy(13, 12), colSpec, orientation));

		ass_margin = new JTextField(configuration.getAssMargin());
		ass_margin.addKeyListener(new KeyAdapter() {
			@Override
			public void keyReleased(KeyEvent e) {
				configuration.setAssMargin(ass_margin.getText());
			}
		});

		builder.add(ass_scale, FormLayoutUtil.flip(cc.xy(3, 12), colSpec, orientation));
		builder.add(ass_outline, FormLayoutUtil.flip(cc.xy(7, 12), colSpec, orientation));
		builder.add(ass_shadow, FormLayoutUtil.flip(cc.xy(11, 12), colSpec, orientation));
		builder.add(ass_margin, FormLayoutUtil.flip(cc.xy(15, 12), colSpec, orientation));

		subs = new JCheckBox(Messages.getString("MEncoderVideo.22"), configuration.isAutoloadExternalSubtitles());
		subs.setContentAreaFilled(false);
		subs.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				configuration.setAutoloadExternalSubtitles((e.getStateChange() == ItemEvent.SELECTED));
			}
		});
		builder.add(subs, FormLayoutUtil.flip(cc.xyw(1, 16, 13), colSpec, orientation));

		subColor = new JButton();
		subColor.setText(Messages.getString("MEncoderVideo.31"));
		subColor.setBackground(new Color(configuration.getSubsColor()));
		subColor.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				Color newColor = JColorChooser.showDialog(
						SwingUtilities.getWindowAncestor((Component) PMS.get().getFrame()),
						Messages.getString("MEncoderVideo.125"),
						subColor.getBackground()
				);

				if (newColor != null) {
					subColor.setBackground(newColor);
					configuration.setSubsColor(newColor.getRGB());
				}
			}
		});
		builder.add(subColor, FormLayoutUtil.flip(cc.xyw(13, 16, 3), colSpec, orientation));

		final JPanel panel = builder.getPanel();
		
		boolean enable = !configuration.isDisableSubtitles();
	    for (Component component : panel.getComponents()) {
	    	component.setEnabled(enable);
	    }

		disableSubs.addItemListener(new ItemListener() {
			@Override
			public void itemStateChanged(ItemEvent e) {
				// If "Disable Subtitles" is not selected, subtitles are enabled
				boolean enabled = e.getStateChange() != ItemEvent.SELECTED;
			    for (Component component : panel.getComponents()) {
			    	component.setEnabled(enabled);
			    }
			}
		});
		
		panel.applyComponentOrientation(orientation);

		return panel;
	}
}