Package org.red5.io.flv.impl

Class Tag

java.lang.Object

org.red5.io.flv.impl.Tag

All Implemented Interfaces:

IoConstants, ITag

public class Tag
extends Object
implements ITag

A Tag represents the contents or payload of a FLV file.

Author:

The Red5 Project, Dominick Accattato ([email protected]), Luke Hubbard, Codegent Ltd ([email protected])

See Also:

• FLV Tag

Field Summary

Fields

Modifier and Type	Field	Description
private byte	bitflags	Bit flags
private org.apache.mina.core.buffer.IoBuffer	body	Tag body as byte buffer
private int	bodySize	Tag body size
private byte	dataType	Tag data type
private int	previousTagSize	Previous tag size
private int	timestamp	Timestamp
private byte	type	Tag type

Fields inherited from interface org.red5.io.IoConstants

AVC_PACKET_TYPE_END_OF_SEQUENCE, AVC_PACKET_TYPE_NALU, AVC_PACKET_TYPE_SEQUENCE_HEADER, FLAG_CODEC_H263, FLAG_CODEC_SCREEN, FLAG_CODEC_VP6, FLAG_FORMAT_ADPCM, FLAG_FORMAT_MP3, FLAG_FORMAT_NELLYMOSER, FLAG_FORMAT_NELLYMOSER_8_KHZ, FLAG_FORMAT_RAW, FLAG_FRAMETYPE_DISPOSABLE, FLAG_FRAMETYPE_GENERATED_KEYFRAME, FLAG_FRAMETYPE_INFO, FLAG_FRAMETYPE_INTERFRAME, FLAG_FRAMETYPE_KEYFRAME, FLAG_RATE_11_KHZ, FLAG_RATE_22_KHZ, FLAG_RATE_44_KHZ, FLAG_RATE_48_KHZ, FLAG_RATE_5_5_KHZ, FLAG_SIZE_16_BIT, FLAG_SIZE_8_BIT, FLAG_TYPE_MONO, FLAG_TYPE_STEREO, INFO_PACKET_SEEK_END, INFO_PACKET_SEEK_START, MASK_SOUND_FORMAT, MASK_SOUND_RATE, MASK_SOUND_SIZE, MASK_SOUND_TYPE, MASK_VIDEO_CODEC, MASK_VIDEO_FRAMETYPE, TYPE_AUDIO, TYPE_ENCRYPTED, TYPE_ENCRYPTED_AUDIO, TYPE_ENCRYPTED_METADATA, TYPE_ENCRYPTED_VIDEO, TYPE_METADATA, TYPE_VIDEO

Constructor Summary

Constructors

Constructor	Description
Tag()	Constructs a new Tag.
Tag(byte dataType, int timestamp, int bodySize, org.apache.mina.core.buffer.IoBuffer body, int previousTagSize)	TagImpl Constructor

Method Summary

Modifier and Type	Method	Description
byte	getBitflags()	Getter for bit flags
org.apache.mina.core.buffer.IoBuffer	getBody()	Return the body IoBuffer
int	getBodySize()	Return the size of the body
org.apache.mina.core.buffer.IoBuffer	getData()	Returns the data as a ByteBuffer
byte	getDataType()	Get the data type
int	getPreviousTagSize()	Return previous tag size
int	getTimestamp()	Return the timestamp
byte	getType()	Getter for tag type
void	setBitflags(byte bitflags)	Setter for bit flags
void	setBody(org.apache.mina.core.buffer.IoBuffer body)	Set the body ByteBuffer.
void	setBodySize(int bodySize)	Set the size of the body.
void	setData()	Setter for tag data.
void	setDataType(byte dataType)	Set the data type.
void	setPreviousTagSize(int size)	Set the size of the previous tag.
void	setTimestamp(int timestamp)	Set the timestamp.
void	setType(byte type)	Setter for tag type
String	toString()	Prints out the contents of the tag

Methods inherited from class java.lang.Object

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

Field Details

type

private byte type

Tag type

dataType

private byte dataType

Tag data type

timestamp

private int timestamp

Timestamp

bodySize

private int bodySize

Tag body size

body

private org.apache.mina.core.buffer.IoBuffer body

Tag body as byte buffer

previousTagSize

private int previousTagSize

Previous tag size

bitflags

private byte bitflags

Bit flags

Constructor Details

Tag

public Tag(byte dataType,
 int timestamp,
 int bodySize,
 org.apache.mina.core.buffer.IoBuffer body,
 int previousTagSize)

TagImpl Constructor

Parameters:

dataType - Tag data type

timestamp - Timestamp

bodySize - Tag body size

body - Tag body

previousTagSize - Previous tag size information

Tag

public Tag()

Constructs a new Tag.

Method Details

getBitflags

public byte getBitflags()

Getter for bit flags

Returns:

Value for bit flags

setBitflags

public void setBitflags(byte bitflags)

Setter for bit flags

Parameters:

bitflags - Bit flags

getData

public org.apache.mina.core.buffer.IoBuffer getData()

Returns the data as a ByteBuffer

Specified by:

getData in interface ITag

Returns:

ByteBuffer Data as byte buffer

getBody

public org.apache.mina.core.buffer.IoBuffer getBody()

Return the body IoBuffer

Specified by:

getBody in interface ITag

Returns:

Tag body

getBodySize

public int getBodySize()

Return the size of the body

Specified by:

getBodySize in interface ITag

Returns:

Tag body size

getDataType

public byte getDataType()

Get the data type

Specified by:

getDataType in interface ITag

Returns:

Tag data type

getTimestamp

public int getTimestamp()

Return the timestamp

Specified by:

getTimestamp in interface ITag

Returns:

Tag timestamp

getPreviousTagSize

public int getPreviousTagSize()

Return previous tag size

Specified by:

getPreviousTagSize in interface ITag

Returns:

Previous tag size

toString

public String toString()

Prints out the contents of the tag

Overrides:

toString in class Object

Returns:

Tag contents

getType

public byte getType()

Getter for tag type

Returns:

Tag type

setType

public void setType(byte type)

Setter for tag type

Parameters:

type - Tag type

setBody

public void setBody(org.apache.mina.core.buffer.IoBuffer body)

Set the body ByteBuffer.

Specified by:

setBody in interface ITag

Parameters:

body - Body as ByteBuffer

setBodySize

public void setBodySize(int bodySize)

Set the size of the body.

Specified by:

setBodySize in interface ITag

Parameters:

bodySize - Body size

setDataType

public void setDataType(byte dataType)

Set the data type.

Specified by:

setDataType in interface ITag

Parameters:

dataType - Data type

setTimestamp

public void setTimestamp(int timestamp)

Set the timestamp.

Specified by:

setTimestamp in interface ITag

Parameters:

timestamp - Timestamp

setData

public void setData()

Setter for tag data. Empty method.

setPreviousTagSize

public void setPreviousTagSize(int size)

Set the size of the previous tag.

Specified by:

setPreviousTagSize in interface ITag

Parameters:

size - Previous tag size