/** Sets initial paths and conditions for an opened file */
public void initializeSubEditor(String option) {
String path = tools.getFileChooser("SRT files only", option + " subtitle file", "srt");
// Enable edit options for a valid srt file
if (path != null) {
openSubtitle.setText(path.substring(path.lastIndexOf("/") + 1, path.length()));
editSubtitle.setEnabled(true);
subEditor.panel.setInputFile(path);
SubtitleEditor.model.fireTableDataChanged();
subEditor.setVisible(true);
}
}
/**
* Constructor sets up layout of buttons and calls methods to set up functionality. Adds subtitle
* editing and video filter options to the frame.
*
* @param controls
*/
public VideoSettings(final VidivoxGUI controls) {
/* Set up layout and access to controls */
this.controls = controls;
setLayout(new GridBagLayout());
tools.getTitle("Video Settings", this);
/*Initialise and add implementations for buttons */
setUpButtons();
addSubtitleListeners();
addVideoFilterListeners();
/* Add subtitle and video filter panels */
subEditor = new SubtitleFrame();
vidFilter = new VideoFilter();
GridBagConstraints gbc = tools.addConstraints(vidFilter, 0, 2, 8, 8, false);
add(vidFilter, gbc);
/* Select buttons to be enabled/disabled for user limitation */
Common.activeBtns.add(apply);
Common.activeBtns.add(preview);
}
/** Setup button positioning on panel */
private void setUpButtons() {
/* Initialize buttons */
apply = new JButton("Apply changes");
apply.setIcon(applyIcon);
apply.setHorizontalAlignment(SwingConstants.RIGHT);
preview = new JButton("Preview");
openSubtitle = new JButton("Load subtitle file (.srt)");
createSub = new JButton("Create subtitle file (.srt)");
editSubtitle = new JButton("Edit Subtitles");
editSubtitle.setEnabled(false);
/* Add buttons to locations in the panel */
GridBagConstraints gbc = tools.addConstraints(openSubtitle, 0, 12, 4, 1, true);
add(openSubtitle, gbc);
gbc = tools.addConstraints(createSub, 4, 12, 4, 1, true);
add(createSub, gbc);
gbc = tools.addConstraints(editSubtitle, 0, 13, 8, 1, true);
add(editSubtitle, gbc);
JPanel buttonPanel = new JPanel();
buttonPanel.add(preview);
buttonPanel.add(apply);
gbc = tools.addConstraints(buttonPanel, 0, 11, 8, 1, true);
add(buttonPanel, gbc);
}
private NodeList getAssetFiles(String resource) {
return Common.stopRecordingParseCharlesSession(resource);
}
/**
* Used to apply video edits to the video. Is the main class for video settings, using other classes
* including SubtitleEditor and VideoFilter to bring together and implement video settings. Control
* center for editing subtitles or applying video filters
*
* @author pban945
*/
@SuppressWarnings("serial")
public class VideoSettings extends JPanel {
// For access to tools and controls
private Common tools = new Common();
private VidivoxGUI controls;
// Video editing functionality
public static VideoFilter vidFilter;
private SubtitleFrame subEditor;
private double audRate, vidRate;
private String extraAudio;
// Buttons and icon
private JButton openSubtitle, createSub, editSubtitle, preview, apply;
private ImageIcon applyIcon =
new ImageIcon(tools.createIcon(getClass().getResource("/icons/apply.png"), 18, 18));
/**
* Constructor sets up layout of buttons and calls methods to set up functionality. Adds subtitle
* editing and video filter options to the frame.
*
* @param controls
*/
public VideoSettings(final VidivoxGUI controls) {
/* Set up layout and access to controls */
this.controls = controls;
setLayout(new GridBagLayout());
tools.getTitle("Video Settings", this);
/*Initialise and add implementations for buttons */
setUpButtons();
addSubtitleListeners();
addVideoFilterListeners();
/* Add subtitle and video filter panels */
subEditor = new SubtitleFrame();
vidFilter = new VideoFilter();
GridBagConstraints gbc = tools.addConstraints(vidFilter, 0, 2, 8, 8, false);
add(vidFilter, gbc);
/* Select buttons to be enabled/disabled for user limitation */
Common.activeBtns.add(apply);
Common.activeBtns.add(preview);
}
/** Setup button positioning on panel */
private void setUpButtons() {
/* Initialize buttons */
apply = new JButton("Apply changes");
apply.setIcon(applyIcon);
apply.setHorizontalAlignment(SwingConstants.RIGHT);
preview = new JButton("Preview");
openSubtitle = new JButton("Load subtitle file (.srt)");
createSub = new JButton("Create subtitle file (.srt)");
editSubtitle = new JButton("Edit Subtitles");
editSubtitle.setEnabled(false);
/* Add buttons to locations in the panel */
GridBagConstraints gbc = tools.addConstraints(openSubtitle, 0, 12, 4, 1, true);
add(openSubtitle, gbc);
gbc = tools.addConstraints(createSub, 4, 12, 4, 1, true);
add(createSub, gbc);
gbc = tools.addConstraints(editSubtitle, 0, 13, 8, 1, true);
add(editSubtitle, gbc);
JPanel buttonPanel = new JPanel();
buttonPanel.add(preview);
buttonPanel.add(apply);
gbc = tools.addConstraints(buttonPanel, 0, 11, 8, 1, true);
add(buttonPanel, gbc);
}
/** Implement subtitle functionality */
private void addSubtitleListeners() {
/* Load a subtitle file */
openSubtitle.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
initializeSubEditor("Open");
}
});
/* Create new subtitle file */
createSub.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
initializeSubEditor("Save");
}
});
/* Edit the loaded subtitle file */
editSubtitle.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// Show and update subtitle editor
subEditor.setVisible(true);
SubtitleEditor.model.fireTableDataChanged();
// Pause the video components in the editor to show frames only
SubtitleEditor.player1.play();
SubtitleEditor.player2.play();
try {
Thread.sleep(200);
} catch (InterruptedException e1) {
}
SubtitleEditor.player1.getOurMediaPlayer().pause();
SubtitleEditor.player2.getOurMediaPlayer().pause();
}
});
}
/** Sets the appropriate output of the video based on preview or apply modes */
public void addVideoFilterListeners() {
/*Set up preview using ffplay for previewing */
preview.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
setRates();
String path = Main.player.getVideoFile();
String cmd =
"ffplay -i \""
+ path
+ "\" -vf \""
+ vidFilter.getValues()
+ "setpts="
+ vidRate
+ "*PTS\" -af \"atempo="
+ audRate
+ extraAudio
+ "\"";
SettingsFrame.progress.setIndeterminate(true);
new RateWorker("preview", cmd, 1 / vidRate, null).execute();
}
});
/* Set up apply using ffmpeg for writing changes */
apply.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
setRates();
String path = Main.player.getVideoFile();
SettingsFrame.progress.setIndeterminate(false);
// Increment number of changes to get unique filename
controls.numberOfChanges++;
String output = Common.appDir + controls.numberOfChanges + controls.edittedFile;
String cmd =
"ffmpeg -y -i \""
+ path
+ "\" -vf \""
+ vidFilter.getValues()
+ "setpts="
+ vidRate
+ "*PTS\" -af \"atempo="
+ audRate
+ extraAudio
+ "\" -strict -2 \""
+ output
+ "\"";
controls.originalFile = output;
new RateWorker("save", cmd, 1 / vidRate, controls).execute();
Common.activateBtns(false);
}
});
}
/** Set the selected rates to be passed onto the ffmpeg command */
public void setRates() {
// Compute rates to be passed to command
double selectedRate = (Double) vidFilter.rateBox.getSelectedItem();
vidRate = 1 / selectedRate;
audRate = selectedRate;
extraAudio = "";
// Multiple audio rate commands required for rate>2
if (audRate > 2.0) {
double extra = 0;
extra = audRate / 2;
audRate = 2;
extraAudio = ",atempo=" + extra;
}
}
/** Sets initial paths and conditions for an opened file */
public void initializeSubEditor(String option) {
String path = tools.getFileChooser("SRT files only", option + " subtitle file", "srt");
// Enable edit options for a valid srt file
if (path != null) {
openSubtitle.setText(path.substring(path.lastIndexOf("/") + 1, path.length()));
editSubtitle.setEnabled(true);
subEditor.panel.setInputFile(path);
SubtitleEditor.model.fireTableDataChanged();
subEditor.setVisible(true);
}
}
/** Opens subtitle editor in new window */
class SubtitleFrame extends JFrame {
// Initialize editor component
SubtitleEditor panel = new SubtitleEditor(controls);
public SubtitleFrame() {
super("Subtitle Editor");
/* Set the dimensions and layout */
setBounds(600, 200, 800, 420);
setResizable(false);
JPanel contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.add(panel);
}
}
}