Package org.mp4parser.boxes.apple

Class PixelAspectRationAtom

java.lang.Object

org.mp4parser.support.AbstractBox

org.mp4parser.boxes.apple.PixelAspectRationAtom

All Implemented Interfaces:

Box, ParsableBox

public class PixelAspectRationAtom
extends AbstractBox

4cc = ""pasp""

This extension specifies the height-to-width ratio of pixels found in the video sample. This is a required extension for MPEG-4 and uncompressed Y ́CbCr video formats when non-square pixels are used. It is optional when square pixels are used.

Field Summary

Fields

Modifier and Type	Field	Description
static String	TYPE

Fields inherited from class org.mp4parser.support.AbstractBox

content, type

Constructor Summary

Constructors

Constructor	Description
PixelAspectRationAtom()

Method Summary

Modifier and Type	Method	Description
protected void	_parseDetails(ByteBuffer content)	Parse the box's fields and child boxes if any.
protected void	getContent(ByteBuffer byteBuffer)	Write the box's content into the given ByteBuffer.
protected long	getContentSize()	Get the box's content size without its header.
int	gethSpacing()
int	getvSpacing()
void	sethSpacing(int hSpacing)
void	setvSpacing(int vSpacing)

Methods inherited from class org.mp4parser.support.AbstractBox

getBox, getSize, getType, getUserType, isParsed, parse, parseDetails

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final String TYPE

See Also:

Constant Field Values

Constructor Detail

PixelAspectRationAtom

public PixelAspectRationAtom()

Method Detail

gethSpacing

public int gethSpacing()

sethSpacing

public void sethSpacing(int hSpacing)

getvSpacing

public int getvSpacing()

setvSpacing

public void setvSpacing(int vSpacing)

getContentSize

protected long getContentSize()

Description copied from class: AbstractBox

Get the box's content size without its header. This must be the exact number of bytes that getContent(ByteBuffer) writes.

Specified by:

getContentSize in class AbstractBox

Returns:

Gets the box's content size in bytes

See Also:

AbstractBox.getContent(java.nio.ByteBuffer)

getContent

protected void getContent(ByteBuffer byteBuffer)

Description copied from class: AbstractBox

Write the box's content into the given ByteBuffer. This must include flags and version in case of a full box. byteBuffer has been initialized with getSize() bytes.

Specified by:

getContent in class AbstractBox

Parameters:

byteBuffer - the sink for the box's content

_parseDetails

protected void _parseDetails(ByteBuffer content)

Description copied from class: AbstractBox

Parse the box's fields and child boxes if any.

Specified by:

_parseDetails in class AbstractBox

Parameters:

content - the box's raw content beginning after the 4-cc field.