net.luniks.linux.jv4linfo
Class V4L2Capability

java.lang.Object
  net.luniks.linux.jv4linfo.V4L2Capability

public class V4L2Capability

extends java.lang.Object

Class to hold information about the capabilities of a v4l2 device. Almost all fields and comments are taken from videodev2.h or the Video for Linux Two API Specification

Author:

Torsten Römer, www.luniks.net

Field Summary

private java.lang.String	busInfo
private int	capabilities
private java.lang.String	card
private java.lang.String	driver
static int	V4L2_CAP_ASYNCIO async I/O
static int	V4L2_CAP_AUDIO has audio support
static int	V4L2_CAP_RADIO is a radio device
static int	V4L2_CAP_RDS_CAPTURE RDS data capture
static int	V4L2_CAP_READWRITE read/write systemcalls
static int	V4L2_CAP_STREAMING streaming I/O ioctls
static int	V4L2_CAP_TUNER has a tuner
static int	V4L2_CAP_VBI_CAPTURE Is a VBI capture device
static int	V4L2_CAP_VBI_OUTPUT Is a VBI output device
static int	V4L2_CAP_VIDEO_CAPTURE Is a video capture device
static int	V4L2_CAP_VIDEO_OUTPUT Is a video output device
static int	V4L2_CAP_VIDEO_OVERLAY Can do video overlay
private int	version

Constructor Summary

V4L2Capability()

Method Summary

boolean	canAsyncio() async I/O
boolean	canDoVideoOverlay() Can do video overlay
boolean	canReadwrite() read/write systemcalls
boolean	canStream() streaming I/O ioctls
java.lang.String	getBusInfo() "PCI:" + pci_name(pci_dev)
int	getCapabilities() Device capabilities
java.lang.String	getCard() For example "Hauppauge WinTV"
java.lang.String	getDriver() For example "bttv"
int	getVersion() should use KERNEL_VERSION()
boolean	hasAudio() has audio support
boolean	hasTuner() has a tuner
boolean	isRadio() is a radio device
boolean	isRDSCaptureDevice() RDS data capture
boolean	isVBICaptureDevice() Is a VBI capture device
boolean	isVBIOutputDevice() Is a VBI output device
boolean	isVideoCaptureDevice() Is a video capture device
boolean	isVideoOutputDevice() Is a video output device
java.lang.String	toString() String representation of the capability info

Methods inherited from class java.lang.Object

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

Field Detail

V4L2_CAP_VIDEO_CAPTURE

public static final int V4L2_CAP_VIDEO_CAPTURE

Is a video capture device

See Also:

Constant Field Values

V4L2_CAP_VIDEO_OUTPUT

public static final int V4L2_CAP_VIDEO_OUTPUT

Is a video output device

See Also:

Constant Field Values

V4L2_CAP_VIDEO_OVERLAY

public static final int V4L2_CAP_VIDEO_OVERLAY

Can do video overlay

See Also:

Constant Field Values

V4L2_CAP_VBI_CAPTURE

public static final int V4L2_CAP_VBI_CAPTURE

Is a VBI capture device

See Also:

Constant Field Values

V4L2_CAP_VBI_OUTPUT

public static final int V4L2_CAP_VBI_OUTPUT

Is a VBI output device

See Also:

Constant Field Values

V4L2_CAP_RDS_CAPTURE

public static final int V4L2_CAP_RDS_CAPTURE

RDS data capture

See Also:

Constant Field Values

V4L2_CAP_TUNER

public static final int V4L2_CAP_TUNER

has a tuner

See Also:

Constant Field Values

V4L2_CAP_AUDIO

public static final int V4L2_CAP_AUDIO

has audio support

See Also:

Constant Field Values

V4L2_CAP_RADIO

public static final int V4L2_CAP_RADIO

is a radio device

See Also:

Constant Field Values

V4L2_CAP_READWRITE

public static final int V4L2_CAP_READWRITE

read/write systemcalls

See Also:

Constant Field Values

V4L2_CAP_ASYNCIO

public static final int V4L2_CAP_ASYNCIO

async I/O

See Also:

Constant Field Values

V4L2_CAP_STREAMING

public static final int V4L2_CAP_STREAMING

streaming I/O ioctls

See Also:

Constant Field Values

driver

private java.lang.String driver

card

private java.lang.String card

busInfo

private java.lang.String busInfo

version

private int version

capabilities

private int capabilities

Constructor Detail

V4L2Capability

public V4L2Capability()

Method Detail

getDriver

public java.lang.String getDriver()

For example "bttv"

getCard

public java.lang.String getCard()

For example "Hauppauge WinTV"

getBusInfo

public java.lang.String getBusInfo()

"PCI:" + pci_name(pci_dev)

getVersion

public int getVersion()

should use KERNEL_VERSION()

getCapabilities

public int getCapabilities()

Device capabilities

isVideoCaptureDevice

public boolean isVideoCaptureDevice()

Is a video capture device

isVideoOutputDevice

public boolean isVideoOutputDevice()

Is a video output device

canDoVideoOverlay

public boolean canDoVideoOverlay()

Can do video overlay

isVBICaptureDevice

public boolean isVBICaptureDevice()

Is a VBI capture device

isVBIOutputDevice

public boolean isVBIOutputDevice()

Is a VBI output device

isRDSCaptureDevice

public boolean isRDSCaptureDevice()

RDS data capture

hasTuner

public boolean hasTuner()

has a tuner

hasAudio

public boolean hasAudio()

has audio support

isRadio

public boolean isRadio()

is a radio device

canReadwrite

public boolean canReadwrite()

read/write systemcalls

canAsyncio

public boolean canAsyncio()

async I/O

canStream

public boolean canStream()

streaming I/O ioctls

toString

public java.lang.String toString()

String representation of the capability info