net.luniks.jtvd
Class GrabPanel

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  net.luniks.jtvd.GrabPanel

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class GrabPanel

extends javax.swing.JPanel

JPanel containing all the components and methods that make up the user interface for grabbing from the TV Card.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private javax.swing.JComboBox	aspectComboBox
private javax.swing.JLabel	aspectLabel
private javax.swing.JComboBox	audioBitrateComboBox
private javax.swing.JRadioButton	audioCBRRadioButton
private javax.swing.JComboBox	audioComboBox
private javax.swing.JLabel	audioLabel
private javax.swing.JPanel	audioPanel
private javax.swing.JComboBox	audioQualityComboBox
private javax.swing.JRadioButton	audioVBRRadioButton
private javax.swing.JLabel	brightnessLabel
private javax.swing.JSpinner	brightnessSpinner
private javax.swing.JPanel	buttonPanel
private boolean	capLow
private javax.swing.JComboBox	channelComboBox
private javax.swing.JLabel	channelLabel
private javax.swing.JLabel	contrastLabel
private javax.swing.JSpinner	contrastSpinner
private int	duration
private javax.swing.JLabel	fineLabel
private javax.swing.JSpinner	fineSpinner
private float	freq
private javax.swing.JTextField	freqField
private java.text.DecimalFormat	freqFormat
private javax.swing.JLabel	freqLabel
private FreqTables.FreqTable	freqTable
private javax.swing.JTextField	freqTableField
private javax.swing.JLabel	freqTableLabel
private Grabber	grabber
static java.lang.String	GRABBER
private javax.swing.JComboBox	grabberComboBox
private javax.swing.JLabel	grabberLabel
private javax.swing.JButton	grabButton
private javax.swing.ImageIcon	grabIcon
private javax.swing.JLabel	hueLabel
private javax.swing.JSpinner	hueSpinner
private javax.swing.ImageIcon	infoIcon
private boolean	initCompleted
private javax.swing.JComboBox	inputComboBox
private javax.swing.JLabel	inputLabel
private java.awt.Insets	insets
private javax.swing.JTextArea	jmfErrorText
private JTVDFrame	mainFrame
private javax.swing.JCheckBox	noiseFilterCheckBox
static java.lang.String	NONAME_NAME
private javax.swing.JComboBox	normComboBox
private javax.swing.JLabel	normLabel
private javax.swing.ImageIcon	pauseIcon
private javax.swing.JPanel	picturePanel
private javax.swing.JPanel	playerPanel
private javax.swing.ImageIcon	recordIcon
private javax.swing.JComboBox	resolutionComboBox
private javax.swing.JLabel	resolutionLabel
private javax.swing.JLabel	saturationLabel
private javax.swing.JSpinner	saturationSpinner
private javax.swing.JButton	scheduleButton
private javax.swing.ImageIcon	scheduleIcon
private boolean	schedulerActive
private Task[]	schedulerTasks
private boolean	selectFrequency
private javax.swing.JPanel	sourcePanel
private javax.swing.JComboBox	stationComboBox
private javax.swing.JLabel	stationLabel
private javax.swing.JPanel	stationPanel
private javax.swing.JButton	stopButton
private javax.swing.ImageIcon	stopIcon
private java.lang.Object	taskSynch
private java.util.Timer	timer
private javax.swing.JTextField	titleField
private javax.swing.JLabel	titleLabel
private javax.swing.JPanel	titlePanel
private javax.swing.JLabel	tvScreenLabel
private javax.swing.JToggleButton	tvScreenToggleButton
static java.lang.String	UNKNOWN_CHANNEL
private javax.swing.JCheckBox	useAspectCheckBox
private javax.swing.JCheckBox	useFMP4CheckBox
private javax.swing.JCheckBox	useODMLCheckBox
private boolean	v4l2Available
private V4L2Ctrl	v4l2Ctrl
private V4L2Info	v4l2Info
private V4LCtrl	v4lCtrl
private V4LInfo	v4lInfo
private javax.swing.JTextField	videoBitrateField
private javax.swing.JRadioButton	videoCBRRadioButton
private javax.swing.JComboBox	videoCodecComboBox
private javax.swing.JLabel	videoCodecLabel
private javax.swing.JCheckBox	videoMaxBitrateCheckBox
private javax.swing.JTextField	videoMaxBitrateField
private javax.swing.JCheckBox	videoMinBitrateCheckBox
private javax.swing.JTextField	videoMinBitrateField
private javax.swing.JPanel	videoPanel
private javax.swing.JComboBox	videoQualityComboBox
private javax.swing.JRadioButton	videoVBRRadioButton
private javax.swing.JButton	viewButton
private javax.swing.ImageIcon	viewIcon

Fields inherited from class javax.swing.JPanel

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Container

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

GrabPanel(JTVDFrame frame)
Constructs the panel and calls some methods to set up the interface.

Method Summary

(package private) void	cancelTimer()
(package private) void	closeJMFPlayer() Turns off the TV screen.
private void	cycleStations(int i) Cycles through the stations in the direction specified by the argument
(package private) Station	getStation() Returns the currently selected station
(package private) java.util.List	getStations() Returns the stations (in the combobox)
private void	grab() Method to start the grabbing process.
private void	grabAction() Called, when the user presses "Grab".
(package private) java.io.File	grabbingFile() Returns the file that is just being grabbed to, null if no grabbing is done.
private void	initJMFPlayer() Sets up a PlayerPanel as the TV screen.
(package private) void	initJV4LInfo() Gets information about the video device and populates the relevant components like the combobox listing the available inputs
(package private) boolean	isGrabbing() Returns true, if a grabbing process is running, false otherwise
(package private) boolean	isSchedulerActive()
(package private) void	muteAudio(boolean mute) Mutes/unmutes the audio depending on the argument
private void	populate() Instanciates the Grabber and populates some components using values from it, for example the comboboxes.
private void	scheduleAction()
private void	selectAudio() Selects the audiomode of the video device according to the selected value of the "Audio" combobox
private void	selectChannel() Resets the "Fine" spinner to 0 and calls selectFrequency() to select the frequency of the selected channel
private void	selectFine() Selects the frequency of the selected channel shifted by the current fine value
(package private) void	selectFrequency() Selects the frequency of the currently selected station.
(package private) void	selectFrequency(FreqTables.FreqTable freqTable, java.lang.String channel, int fine) Selects the frequency.
private void	selectInput() Selects the input of the video device according to the selected value of the "Input" combobox
private void	selectNorm() Selects the standard of the video device according to the selected value of the "Norm" combobox
private void	selectStation() Sets the "Channel" combobox and the "Fine" spinner to the values of the selected station
private void	selectV4L() This is run once after startup to set the settings of the video device accordingly to the selection of the components
private void	setAudios() Populates the "Audio" combobox with the audiomodes supported by the tuner at the currently selected input
void	setComponents() Sets all components in this tab to values taken from the global properties
private void	setComponentsEnabled(boolean enabled) Disables or enables all components that do things that should not be done during grabbing, like selecting another input or station.
(package private) void	setFreqTable(FreqTables.FreqTable freqTable) Sets the freqTable instance variable and the textfield accordingly, and populates the channels combobox with the channels of the frequency table given as argument
private void	setGrabber(Grabber grabber) Sets the type of grabber to be used, the "Backend" the user has chosen
private void	setInputs() Populates the "Input" combobox with the available inputs of the video device
private void	setNorms() Populates the "Norm" combobox with the standards supported by the currently selected input
void	setProperties() Puts the current settings of all components in this tab in the global properties
(package private) void	setStation(Station station) Sets the currently selected station to the one given as argument
(package private) void	setStations() Populates the stations combobox with the stations returned by Environment.getStations(), which are the stations read from the configfile and set/modified by the preferences dialog.
private void	setTimer()
private void	setup() Sets up the grabber using values from the components, meaning the values the user has chosen.
(package private) void	startJMFPlayer() Resumes the TV screen and sets the "TV Screen" button to selected.
private void	stop() Terminates the process
private void	stopAction() Called, when the user presses "Stop".
(package private) void	stopJMFPlayer() Pauses the TV screen and set the "TV Screen" button to deselected.
private void	tvScreenAction(boolean on) Resumes or pauses the TV screen
private void	viewAction() Called, when the user presses "View".

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

mainFrame

private JTVDFrame mainFrame

GRABBER

public static final java.lang.String GRABBER

See Also:

Constant Field Values

NONAME_NAME

public static final java.lang.String NONAME_NAME

See Also:

Constant Field Values

UNKNOWN_CHANNEL

public static final java.lang.String UNKNOWN_CHANNEL

See Also:

Constant Field Values

initCompleted

private boolean initCompleted

selectFrequency

private boolean selectFrequency

freqTable

private FreqTables.FreqTable freqTable

freq

private float freq

v4lInfo

private V4LInfo v4lInfo

v4lCtrl

private V4LCtrl v4lCtrl

v4l2Info

private V4L2Info v4l2Info

v4l2Ctrl

private V4L2Ctrl v4l2Ctrl

capLow

private boolean capLow

v4l2Available

private boolean v4l2Available

grabber

private Grabber grabber

freqFormat

private java.text.DecimalFormat freqFormat

titlePanel

private javax.swing.JPanel titlePanel

sourcePanel

private javax.swing.JPanel sourcePanel

stationPanel

private javax.swing.JPanel stationPanel

playerPanel

private javax.swing.JPanel playerPanel

picturePanel

private javax.swing.JPanel picturePanel

videoPanel

private javax.swing.JPanel videoPanel

audioPanel

private javax.swing.JPanel audioPanel

buttonPanel

private javax.swing.JPanel buttonPanel

titleLabel

private javax.swing.JLabel titleLabel

titleField

private javax.swing.JTextField titleField

grabberLabel

private javax.swing.JLabel grabberLabel

grabberComboBox

private javax.swing.JComboBox grabberComboBox

inputLabel

private javax.swing.JLabel inputLabel

inputComboBox

private javax.swing.JComboBox inputComboBox

normLabel

private javax.swing.JLabel normLabel

normComboBox

private javax.swing.JComboBox normComboBox

resolutionLabel

private javax.swing.JLabel resolutionLabel

resolutionComboBox

private javax.swing.JComboBox resolutionComboBox

audioLabel

private javax.swing.JLabel audioLabel

audioComboBox

private javax.swing.JComboBox audioComboBox

stationLabel

private javax.swing.JLabel stationLabel

stationComboBox

private javax.swing.JComboBox stationComboBox

channelLabel

private javax.swing.JLabel channelLabel

channelComboBox

private javax.swing.JComboBox channelComboBox

freqLabel

private javax.swing.JLabel freqLabel

freqField

private javax.swing.JTextField freqField

fineLabel

private javax.swing.JLabel fineLabel

fineSpinner

private javax.swing.JSpinner fineSpinner

freqTableLabel

private javax.swing.JLabel freqTableLabel

freqTableField

private javax.swing.JTextField freqTableField

tvScreenLabel

private javax.swing.JLabel tvScreenLabel

tvScreenToggleButton

private javax.swing.JToggleButton tvScreenToggleButton

jmfErrorText

private javax.swing.JTextArea jmfErrorText

brightnessLabel

private javax.swing.JLabel brightnessLabel

contrastLabel

private javax.swing.JLabel contrastLabel

hueLabel

private javax.swing.JLabel hueLabel

saturationLabel

private javax.swing.JLabel saturationLabel

brightnessSpinner

private javax.swing.JSpinner brightnessSpinner

contrastSpinner

private javax.swing.JSpinner contrastSpinner

hueSpinner

private javax.swing.JSpinner hueSpinner

saturationSpinner

private javax.swing.JSpinner saturationSpinner

videoCodecLabel

private javax.swing.JLabel videoCodecLabel

videoCodecComboBox

private javax.swing.JComboBox videoCodecComboBox

aspectLabel

private javax.swing.JLabel aspectLabel

aspectComboBox

private javax.swing.JComboBox aspectComboBox

useAspectCheckBox

private javax.swing.JCheckBox useAspectCheckBox

noiseFilterCheckBox

private javax.swing.JCheckBox noiseFilterCheckBox

videoCBRRadioButton

private javax.swing.JRadioButton videoCBRRadioButton

videoBitrateField

private javax.swing.JTextField videoBitrateField

videoVBRRadioButton

private javax.swing.JRadioButton videoVBRRadioButton

videoQualityComboBox

private javax.swing.JComboBox videoQualityComboBox

useODMLCheckBox

private javax.swing.JCheckBox useODMLCheckBox

useFMP4CheckBox

private javax.swing.JCheckBox useFMP4CheckBox

videoMinBitrateCheckBox

private javax.swing.JCheckBox videoMinBitrateCheckBox

videoMinBitrateField

private javax.swing.JTextField videoMinBitrateField

videoMaxBitrateCheckBox

private javax.swing.JCheckBox videoMaxBitrateCheckBox

videoMaxBitrateField

private javax.swing.JTextField videoMaxBitrateField

audioCBRRadioButton

private javax.swing.JRadioButton audioCBRRadioButton

audioBitrateComboBox

private javax.swing.JComboBox audioBitrateComboBox

audioVBRRadioButton

private javax.swing.JRadioButton audioVBRRadioButton

audioQualityComboBox

private javax.swing.JComboBox audioQualityComboBox

scheduleButton

private javax.swing.JButton scheduleButton

grabButton

private javax.swing.JButton grabButton

stopButton

private javax.swing.JButton stopButton

viewButton

private javax.swing.JButton viewButton

grabIcon

private javax.swing.ImageIcon grabIcon

stopIcon

private javax.swing.ImageIcon stopIcon

viewIcon

private javax.swing.ImageIcon viewIcon

pauseIcon

private javax.swing.ImageIcon pauseIcon

infoIcon

private javax.swing.ImageIcon infoIcon

scheduleIcon

private javax.swing.ImageIcon scheduleIcon

recordIcon

private javax.swing.ImageIcon recordIcon

schedulerActive

private boolean schedulerActive

schedulerTasks

private Task[] schedulerTasks

timer

private java.util.Timer timer

taskSynch

private java.lang.Object taskSynch

duration

private int duration

insets

private java.awt.Insets insets

Constructor Detail

GrabPanel

public GrabPanel(JTVDFrame frame)

Constructs the panel and calls some methods to set up the interface.

Parameters:

frame - the JFrame of this application, used to be able to refer to the other panels in this application.

Method Detail

initJMFPlayer

private void initJMFPlayer()

Sets up a PlayerPanel as the TV screen. If that fails, a normal JPanel with a TextField showing an error message is set up instead.

startJMFPlayer

void startJMFPlayer()

Resumes the TV screen and sets the "TV Screen" button to selected. The method does nothing when isGrabbing() returns true.

stopJMFPlayer

void stopJMFPlayer()

Pauses the TV screen and set the "TV Screen" button to deselected.

closeJMFPlayer

void closeJMFPlayer()

Turns off the TV screen. After calling this method the TV screen cannot be turned on again or resumed.

tvScreenAction

private void tvScreenAction(boolean on)

Resumes or pauses the TV screen

Parameters:

on - true to resume, false to pause

muteAudio

void muteAudio(boolean mute)

Mutes/unmutes the audio depending on the argument

Parameters:

mute - true to mute, false to unmute

setComponentsEnabled

private void setComponentsEnabled(boolean enabled)

Disables or enables all components that do things that should not be done during grabbing, like selecting another input or station.

Parameters:

enabled - true to enable, false to disable

populate

private void populate()

Instanciates the Grabber and populates some components using values from it, for example the comboboxes.

setGrabber

private void setGrabber(Grabber grabber)

Sets the type of grabber to be used, the "Backend" the user has chosen

Parameters:

grabber - Grabber to be used

setComponents

public void setComponents()

Sets all components in this tab to values taken from the global properties

setProperties

public void setProperties()

Puts the current settings of all components in this tab in the global properties

initJV4LInfo

void initJV4LInfo()

Gets information about the video device and populates the relevant components like the combobox listing the available inputs

setInputs

private void setInputs()

Populates the "Input" combobox with the available inputs of the video device

setNorms

private void setNorms()

Populates the "Norm" combobox with the standards supported by the currently selected input

setAudios

private void setAudios()

Populates the "Audio" combobox with the audiomodes supported by the tuner at the currently selected input

setFreqTable

void setFreqTable(FreqTables.FreqTable freqTable)

Sets the freqTable instance variable and the textfield accordingly, and populates the channels combobox with the channels of the frequency table given as argument

Parameters:

freqTable - the new frequency table to be used

setStations

void setStations()

Populates the stations combobox with the stations returned by Environment.getStations(), which are the stations read from the configfile and set/modified by the preferences dialog.

selectV4L

private void selectV4L()

This is run once after startup to set the settings of the video device accordingly to the selection of the components

selectInput

private void selectInput()

Selects the input of the video device according to the selected value of the "Input" combobox

selectNorm

private void selectNorm()

Selects the standard of the video device according to the selected value of the "Norm" combobox

selectAudio

private void selectAudio()

Selects the audiomode of the video device according to the selected value of the "Audio" combobox

selectStation

private void selectStation()

Sets the "Channel" combobox and the "Fine" spinner to the values of the selected station

selectChannel

private void selectChannel()

Resets the "Fine" spinner to 0 and calls selectFrequency() to select the frequency of the selected channel

selectFine

private void selectFine()

Selects the frequency of the selected channel shifted by the current fine value

cycleStations

private void cycleStations(int i)

Cycles through the stations in the direction specified by the argument

Parameters:

i - 1 for the next, -1 for the previous station

getStation

Station getStation()

Returns the currently selected station

Returns:

the currently selected station

getStations

java.util.List getStations()

Returns the stations (in the combobox)

Returns:

the station

setStation

void setStation(Station station)

Sets the currently selected station to the one given as argument

Parameters:

station - the station to be set

selectFrequency

void selectFrequency()

Selects the frequency of the currently selected station. Does nothing if a grabbing process is running

selectFrequency

void selectFrequency(FreqTables.FreqTable freqTable,
                     java.lang.String channel,
                     int fine)

Selects the frequency. Does nothing if a grabbing process is running

Parameters:

freqTable - the frequency table to be used

channel - the channel whose frequency should be set

fine - the fine value in units of 62.5 (k)Hz

setup

private void setup()

Sets up the grabber using values from the components, meaning the values the user has chosen.

scheduleAction

private void scheduleAction()

setTimer

private void setTimer()

cancelTimer

void cancelTimer()

isSchedulerActive

boolean isSchedulerActive()

grabAction

private void grabAction()

Called, when the user presses "Grab". Performs some checks and starts grabbing.

stopAction

private void stopAction()

Called, when the user presses "Stop". Stops grabbing.

viewAction

private void viewAction()

Called, when the user presses "View". Plays the file that has been previously grabbed.

grab

private void grab()

Method to start the grabbing process. Sets up the global process handler for grabbing, updates the UI with status information as well as stdout and stderr obtained from the process handler and checks the exit code. Pauses the TV screen and disables relevant components during grabbing.

stop

private void stop()

Terminates the process

isGrabbing

boolean isGrabbing()

Returns true, if a grabbing process is running, false otherwise

Returns:

true if currently grabbing, false otherwise

grabbingFile

java.io.File grabbingFile()

Returns the file that is just being grabbed to, null if no grabbing is done.

Returns:

the file being grabbed to