net.luniks.linux.jv4linfo
Class VideoCapability

java.lang.Object
  net.luniks.linux.jv4linfo.VideoCapability

public class VideoCapability

extends java.lang.Object

Class to hold information about the capabilities of a v4l device. Almost all fields and comments are taken from videodev.h

Author:

Torsten Römer, www.luniks.net

Field Summary

private int	audios
private int	channels
private int	maxheight
private int	maxwidth
private int	minheight
private int	minwidth
private java.lang.String	name
private int	type
static int	VID_TYPE_CAPTURE Can capture
static int	VID_TYPE_CHROMAKEY Overlay by chromakey
static int	VID_TYPE_CLIPPING Can clip
static int	VID_TYPE_FRAMERAM Uses the frame buffer memory
static int	VID_TYPE_MJPEG_DECODER Can decode MJPEG streams
static int	VID_TYPE_MJPEG_ENCODER Can encode MJPEG streams
static int	VID_TYPE_MONOCHROME Monochrome only
static int	VID_TYPE_MPEG_DECODER Can decode MPEG streams
static int	VID_TYPE_MPEG_ENCODER Can encode MPEG streams
static int	VID_TYPE_OVERLAY Overlay onto frame buffer
static int	VID_TYPE_SCALES Scalable
static int	VID_TYPE_SUBCAPTURE Can capture subareas of the image
static int	VID_TYPE_TELETEXT Does teletext
static int	VID_TYPE_TUNER Can tune

Constructor Summary

VideoCapability()

Method Summary

boolean	canCapture() Can capture
boolean	canCaptureSubareas() Can capture subareas of the image
boolean	canClip() Can clip
boolean	canDecodeMJPEG() Can decode MJPEG streams
boolean	canDecodeMPEG() Can decode MPEG streams
boolean	canEncodeMJPEG() Can encode MJPEG streams
boolean	canEncodeMPEG() Can encode MPEG streams
boolean	canTune() Can tune
boolean	doesTeletext() Does teletext
int	getAudios() Number of audio devices
int	getChannels() Number of channels/inputs
int	getMaxheight() Max. supported height
int	getMaxwidth() Max. supported width
int	getMinheight() Min. supported height
int	getMinwidth() Min. supported width
java.lang.String	getName() Name of the device
int	getType() Type of the device
boolean	isMonochrome() Monochrome only
boolean	isScalable() Scalable
boolean	overlayByChromakey() Overlay by chromakey
boolean	overlayOntoFramebuffer() Overlay onto frame buffer
java.lang.String	toString() String representation of the capability info
boolean	usesFramebufferMemory() Uses the frame buffer memory

Methods inherited from class java.lang.Object

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

Field Detail

VID_TYPE_CAPTURE

public static final int VID_TYPE_CAPTURE

Can capture

See Also:

Constant Field Values

VID_TYPE_TUNER

public static final int VID_TYPE_TUNER

Can tune

See Also:

Constant Field Values

VID_TYPE_TELETEXT

public static final int VID_TYPE_TELETEXT

Does teletext

See Also:

Constant Field Values

VID_TYPE_OVERLAY

public static final int VID_TYPE_OVERLAY

Overlay onto frame buffer

See Also:

Constant Field Values

VID_TYPE_CHROMAKEY

public static final int VID_TYPE_CHROMAKEY

Overlay by chromakey

See Also:

Constant Field Values

VID_TYPE_CLIPPING

public static final int VID_TYPE_CLIPPING

Can clip

See Also:

Constant Field Values

VID_TYPE_FRAMERAM

public static final int VID_TYPE_FRAMERAM

Uses the frame buffer memory

See Also:

Constant Field Values

VID_TYPE_SCALES

public static final int VID_TYPE_SCALES

Scalable

See Also:

Constant Field Values

VID_TYPE_MONOCHROME

public static final int VID_TYPE_MONOCHROME

Monochrome only

See Also:

Constant Field Values

VID_TYPE_SUBCAPTURE

public static final int VID_TYPE_SUBCAPTURE

Can capture subareas of the image

See Also:

Constant Field Values

VID_TYPE_MPEG_DECODER

public static final int VID_TYPE_MPEG_DECODER

Can decode MPEG streams

See Also:

Constant Field Values

VID_TYPE_MPEG_ENCODER

public static final int VID_TYPE_MPEG_ENCODER

Can encode MPEG streams

See Also:

Constant Field Values

VID_TYPE_MJPEG_DECODER

public static final int VID_TYPE_MJPEG_DECODER

Can decode MJPEG streams

See Also:

Constant Field Values

VID_TYPE_MJPEG_ENCODER

public static final int VID_TYPE_MJPEG_ENCODER

Can encode MJPEG streams

See Also:

Constant Field Values

name

private java.lang.String name

type

private int type

channels

private int channels

audios

private int audios

maxwidth

private int maxwidth

maxheight

private int maxheight

minwidth

private int minwidth

minheight

private int minheight

Constructor Detail

VideoCapability

public VideoCapability()

Method Detail

getName

public java.lang.String getName()

Name of the device

getType

public int getType()

Type of the device

getChannels

public int getChannels()

Number of channels/inputs

getAudios

public int getAudios()

Number of audio devices

getMaxwidth

public int getMaxwidth()

Max. supported width

getMaxheight

public int getMaxheight()

Max. supported height

getMinwidth

public int getMinwidth()

Min. supported width

getMinheight

public int getMinheight()

Min. supported height

canCapture

public boolean canCapture()

Can capture

canTune

public boolean canTune()

Can tune

doesTeletext

public boolean doesTeletext()

Does teletext

overlayOntoFramebuffer

public boolean overlayOntoFramebuffer()

Overlay onto frame buffer

overlayByChromakey

public boolean overlayByChromakey()

Overlay by chromakey

canClip

public boolean canClip()

Can clip

usesFramebufferMemory

public boolean usesFramebufferMemory()

Uses the frame buffer memory

isScalable

public boolean isScalable()

Scalable

isMonochrome

public boolean isMonochrome()

Monochrome only

canCaptureSubareas

public boolean canCaptureSubareas()

Can capture subareas of the image

canDecodeMPEG

public boolean canDecodeMPEG()

Can decode MPEG streams

canEncodeMPEG

public boolean canEncodeMPEG()

Can encode MPEG streams

canDecodeMJPEG

public boolean canDecodeMJPEG()

Can decode MJPEG streams

canEncodeMJPEG

public boolean canEncodeMJPEG()

Can encode MJPEG streams

toString

public java.lang.String toString()

String representation of the capability info