org.jitsi.impl.neomedia.quicktime

Class QTCaptureDevice

java.lang.Object

org.jitsi.impl.neomedia.quicktime.NSObject

org.jitsi.impl.neomedia.quicktime.QTCaptureDevice

public class QTCaptureDevice
extends NSObject

Represents a QTKit capture device which is connected or has been previously connected to the user's computer during the lifetime of the application.

Author:

Lyubomir Marinov

Constructor Summary

Constructors

Constructor and Description
QTCaptureDevice(long ptr) Initializes a new QTCaptureDevice instance which is to represent a specific QTKit QTCaptureDevice object.

Method Summary

Modifier and Type	Method and Description
void	close() Releases application control over this device acquired in the open() method.
static QTCaptureDevice	deviceWithUniqueID(String deviceUID) Gets the QTCaptureDevice with a specific unique identifier.
protected void	finalize() Called by the garbage collector to release system resources and perform other cleanup.
QTFormatDescription[]	formatDescriptions()
double	getVideoMinFrameDuration()
static QTCaptureDevice[]	inputDevicesWithMediaType(QTMediaType mediaType)
boolean	isConnected() Gets the indicator which determines whether this QTCaptureDevice is connected and available to applications.
String	localizedDisplayName() Gets the localized human-readable name of this QTCaptureDevice.
boolean	open() Attempts to give the application control over this QTCaptureDevice so that it can be used for capture.
double	setVideoMinFrameDuration(double videoMinframeDuration)
String	uniqueID() Gets the unique identifier of this QTCaptureDevice.

Methods inherited from class org.jitsi.impl.neomedia.quicktime.NSObject

getPtr, release, release, retain, setPtr

Methods inherited from class java.lang.Object

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

Constructor Detail

QTCaptureDevice

public QTCaptureDevice(long ptr)

Initializes a new QTCaptureDevice instance which is to represent a specific QTKit QTCaptureDevice object.

Parameters:

ptr - the pointer to the QTKit QTCaptureDevice object which is to be represented by the new instance

Method Detail

close

public void close()

Releases application control over this device acquired in the open() method.

deviceWithUniqueID

public static QTCaptureDevice deviceWithUniqueID(String deviceUID)

Gets the QTCaptureDevice with a specific unique identifier.

Parameters:

deviceUID - the unique identifier of the QTCaptureDevice to be retrieved

Returns:

the QTCaptureDevice with the specified unique identifier if such a QTCaptureDevice exists; otherwise, null

finalize

protected void finalize()

Called by the garbage collector to release system resources and perform other cleanup.

Overrides:

finalize in class Object

See Also:

Object.finalize()

formatDescriptions

public QTFormatDescription[] formatDescriptions()

inputDevicesWithMediaType

public static QTCaptureDevice[] inputDevicesWithMediaType(QTMediaType mediaType)

isConnected

public boolean isConnected()

Gets the indicator which determines whether this QTCaptureDevice is connected and available to applications.

Returns:

true if this QTCaptureDevice is connected and available to applications; otherwise, false

localizedDisplayName

public String localizedDisplayName()

Gets the localized human-readable name of this QTCaptureDevice.

Returns:

the localized human-readable name of this QTCaptureDevice

open

public boolean open()
             throws NSErrorException

Attempts to give the application control over this QTCaptureDevice so that it can be used for capture.

Returns:

true if this device was opened successfully; otherwise, false

Throws:

NSErrorException - if this device was not opened successfully and carries an NSError describing why this device could not be opened

uniqueID

public String uniqueID()

Gets the unique identifier of this QTCaptureDevice.

Returns:

the unique identifier of this QTCaptureDevice

getVideoMinFrameDuration

public double getVideoMinFrameDuration()

setVideoMinFrameDuration

public double setVideoMinFrameDuration(double videoMinframeDuration)