net.luniks.linux.jv4linfo
Class V4L2Tuner

java.lang.Object
  net.luniks.linux.jv4linfo.V4L2Tuner

public class V4L2Tuner

extends java.lang.Object

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

Author:

Torsten Römer, www.luniks.net

Nested Class Summary

static class

V4L2Tuner.Audmode

Field Summary

private int	afc
private int	audmode
private int	capability
private int	index
private java.lang.String	name
private int	rangehigh
private int	rangelow
private int[]	reserved
private int	rxsubchans
private int	signal
private int	type
static int	V4L2_TUNER_ANALOG_TV
static int	V4L2_TUNER_CAP_LANG1
static int	V4L2_TUNER_CAP_LANG2
static int	V4L2_TUNER_CAP_LOW
static int	V4L2_TUNER_CAP_NORM
static int	V4L2_TUNER_CAP_SAP
static int	V4L2_TUNER_CAP_STEREO
static int	V4L2_TUNER_MODE_LANG1
static int	V4L2_TUNER_MODE_LANG2
static int	V4L2_TUNER_MODE_MONO
static int	V4L2_TUNER_MODE_SAP
static int	V4L2_TUNER_MODE_STEREO
static int	V4L2_TUNER_RADIO
static int	V4L2_TUNER_SUB_LANG1
static int	V4L2_TUNER_SUB_LANG2
static int	V4L2_TUNER_SUB_MONO
static int	V4L2_TUNER_SUB_SAP
static int	V4L2_TUNER_SUB_STEREO

Constructor Summary

V4L2Tuner()

Method Summary

int	getAfc() Automatic frequency control
int	getAudmode() The selected audio mode
V4L2Tuner.Audmode[]	getAudmodes() Returns the audio modes supported by the tuner
int	getCapability() The tuner's capabilities
int	getIndex() The index of the tuner
java.lang.String	getName() The name of the tuner
int	getRangehigh() The highest tunable frequency in units of 62.5 KHz, or if isCapLow() returns true, in units of 62.5 Hz.
int	getRangelow() The lowest tunable frequency in units of 62.5 KHz, or if isCapLow() returns true, in units of 62.5 Hz.
int[]	getReserved() Currently not used, returns null
int	getRxsubchans() The audio subprograms the hardware may currently receive
int	getSignal() The signal strength if known
int	getType() The type of the tuner
boolean	isAnalogTV() Returns true, if the tuner is an analog TV
boolean	isCapLow() Returns true, if the frequency is in units of 62.5 Hz, and false, if it is in units of 62.5 kHz.
boolean	isMultistandard() Is a multi-standard tuner
boolean	isRadio() Returns true, if the tuner is a radio
void	setAudmode(int audmode) Sets the audiomode, currently the only field that can be set
void	setIndex(int index) Sets the index of the tuner that should be queried/set
boolean	supportsLang1() Returns true, if reception of a primary language (of two) is supported
boolean	supportsLang2() Returns true, if reception of a secondary language is supported
boolean	supportsSAP() Returns true, if reception of the Secondary Audio Program is supported
boolean	supportsStereo() Returns true, if stereo audio reception is supported
java.lang.String	toString() String representation of the tuner info

Methods inherited from class java.lang.Object

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

Field Detail

V4L2_TUNER_CAP_LOW

public static final int V4L2_TUNER_CAP_LOW

See Also:

Constant Field Values

V4L2_TUNER_CAP_NORM

public static final int V4L2_TUNER_CAP_NORM

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Constant Field Values

V4L2_TUNER_CAP_STEREO

public static final int V4L2_TUNER_CAP_STEREO

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Constant Field Values

V4L2_TUNER_CAP_LANG2

public static final int V4L2_TUNER_CAP_LANG2

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Constant Field Values

V4L2_TUNER_CAP_SAP

public static final int V4L2_TUNER_CAP_SAP

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Constant Field Values

V4L2_TUNER_CAP_LANG1

public static final int V4L2_TUNER_CAP_LANG1

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Constant Field Values

V4L2_TUNER_SUB_MONO

public static final int V4L2_TUNER_SUB_MONO

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Constant Field Values

V4L2_TUNER_SUB_STEREO

public static final int V4L2_TUNER_SUB_STEREO

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Constant Field Values

V4L2_TUNER_SUB_LANG2

public static final int V4L2_TUNER_SUB_LANG2

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Constant Field Values

V4L2_TUNER_SUB_SAP

public static final int V4L2_TUNER_SUB_SAP

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Constant Field Values

V4L2_TUNER_SUB_LANG1

public static final int V4L2_TUNER_SUB_LANG1

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Constant Field Values

V4L2_TUNER_MODE_MONO

public static final int V4L2_TUNER_MODE_MONO

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Constant Field Values

V4L2_TUNER_MODE_STEREO

public static final int V4L2_TUNER_MODE_STEREO

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Constant Field Values

V4L2_TUNER_MODE_LANG2

public static final int V4L2_TUNER_MODE_LANG2

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Constant Field Values

V4L2_TUNER_MODE_SAP

public static final int V4L2_TUNER_MODE_SAP

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Constant Field Values

V4L2_TUNER_MODE_LANG1

public static final int V4L2_TUNER_MODE_LANG1

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Constant Field Values

V4L2_TUNER_RADIO

public static final int V4L2_TUNER_RADIO

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Constant Field Values

V4L2_TUNER_ANALOG_TV

public static final int V4L2_TUNER_ANALOG_TV

See Also:

Constant Field Values

index

private int index

name

private java.lang.String name

type

private int type

capability

private int capability

rangelow

private int rangelow

rangehigh

private int rangehigh

rxsubchans

private int rxsubchans

audmode

private int audmode

signal

private int signal

afc

private int afc

reserved

private int[] reserved

Constructor Detail

V4L2Tuner

public V4L2Tuner()

Method Detail

getIndex

public int getIndex()

The index of the tuner

getName

public java.lang.String getName()

The name of the tuner

getType

public int getType()

The type of the tuner

getCapability

public int getCapability()

The tuner's capabilities

getRangelow

public int getRangelow()

The lowest tunable frequency in units of 62.5 KHz, or if isCapLow() returns true, in units of 62.5 Hz.

getRangehigh

public int getRangehigh()

The highest tunable frequency in units of 62.5 KHz, or if isCapLow() returns true, in units of 62.5 Hz.

getRxsubchans

public int getRxsubchans()

The audio subprograms the hardware may currently receive

getAudmode

public int getAudmode()

The selected audio mode

getSignal

public int getSignal()

The signal strength if known

getAfc

public int getAfc()

Automatic frequency control

getReserved

public int[] getReserved()

Currently not used, returns null

isRadio

public boolean isRadio()

Returns true, if the tuner is a radio

isAnalogTV

public boolean isAnalogTV()

Returns true, if the tuner is an analog TV

isCapLow

public boolean isCapLow()

Returns true, if the frequency is in units of 62.5 Hz, and false, if it is in units of 62.5 kHz.

isMultistandard

public boolean isMultistandard()

Is a multi-standard tuner

supportsStereo

public boolean supportsStereo()

Returns true, if stereo audio reception is supported

supportsLang1

public boolean supportsLang1()

Returns true, if reception of a primary language (of two) is supported

supportsLang2

public boolean supportsLang2()

Returns true, if reception of a secondary language is supported

supportsSAP

public boolean supportsSAP()

Returns true, if reception of the Secondary Audio Program is supported

setIndex

public void setIndex(int index)

Sets the index of the tuner that should be queried/set

setAudmode

public void setAudmode(int audmode)

Sets the audiomode, currently the only field that can be set

getAudmodes

public V4L2Tuner.Audmode[] getAudmodes()

Returns the audio modes supported by the tuner

toString

public java.lang.String toString()

String representation of the tuner info