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FrameBodyPOSS.javaAPI DocJaudiotagger 2.0.44261Wed Mar 30 16:12:02 BST 2011org.jaudiotagger.tag.id3.framebody

FrameBodyPOSS

public class FrameBodyPOSS extends AbstractID3v2FrameBody implements ID3v24FrameBody, ID3v23FrameBody
Position synchronisation frame.

This frame delivers information to the listener of how far into the audio stream he picked up; in effect, it states the time offset of the first frame in the stream. The frame layout is:

<Head for 'Position synchronisation', ID: "POSS">
Time stamp format $xx
Position $xx (xx ...)

Where time stamp format is:

$01 Absolute time, 32 bit sized, using MPEG frames as unit
$02 Absolute time, 32 bit sized, using milliseconds as unit

and position is where in the audio the listener starts to receive, i.e. the beginning of the next frame. If this frame is used in the beginning of a file the value is always 0. There may only be one "POSS" frame in each tag.

For more details, please refer to the ID3 specifications:

author
: Paul Taylor
author
: Eric Farng
version
$Id: FrameBodyPOSS.java 867 2010-01-28 16:27:11Z paultaylor $

Fields Summary
Constructors Summary
public FrameBodyPOSS()
Creates a new FrameBodyPOSS datatype.

        //        this.setObject(ObjectNumberHashMap.OBJ_TIME_STAMP_FORMAT, new Byte((byte) 0));
        //        this.setObject("Position", new Long(0));
public FrameBodyPOSS(FrameBodyPOSS body)

        super(body);
public FrameBodyPOSS(byte timeStampFormat, long position)
Creates a new FrameBodyPOSS datatype.

param
timeStampFormat
param
position

        this.setObjectValue(DataTypes.OBJ_TIME_STAMP_FORMAT, timeStampFormat);
        this.setObjectValue(DataTypes.OBJ_POSITION, position);
public FrameBodyPOSS(ByteBuffer byteBuffer, int frameSize)
Creates a new FrameBodyPOSS datatype.

param
byteBuffer
param
frameSize
throws
InvalidTagException if unable to create framebody from buffer

        super(byteBuffer, frameSize);
Methods Summary
public java.lang.StringgetIdentifier()
The ID3v2 frame identifier

return
the ID3v2 frame identifier for this frame type

        return ID3v24Frames.FRAME_ID_POSITION_SYNC;
protected voidsetupObjectList()

        objectList.add(new NumberHashMap(DataTypes.OBJ_TIME_STAMP_FORMAT, this, EventTimingTimestampTypes.TIMESTAMP_KEY_FIELD_SIZE));
        objectList.add(new NumberVariableLength(DataTypes.OBJ_POSITION, this, 1));