Package ws.schild.jave.filters

Class FilterChain

java.lang.Object

ws.schild.jave.filters.FilterChain

All Implemented Interfaces:

VideoFilter

public class FilterChain
extends java.lang.Object
implements VideoFilter

A filterchain as described by FFMPEG Documentation.

A filterchain is a comma separated series of filters.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<Filter>	filters

Constructor Summary

Constructors

Constructor	Description
FilterChain()	Create an empty filterchain.
FilterChain(Filter... filters)	Create a filterchain with the specified filters

Method Summary

Modifier and Type	Method	Description
FilterChain	addFilter(Filter filter)	Add one Filter to this filterchain
java.lang.String	getExpression()	The expression to be used in the video filter argument to ffmpeg
FilterChain	prependFilter(Filter filter)
FilterChain	setInputLabel(java.lang.String label)	Adds an input label to the first filter in this chain.
FilterChain	setOutputLabel(java.lang.String label)	Adds an output label to the first filter in this chain.

Methods inherited from class java.lang.Object

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

Field Detail

filters

private final java.util.List<Filter> filters

Constructor Detail

FilterChain

public FilterChain()

Create an empty filterchain.

FilterChain

public FilterChain(Filter... filters)

Create a filterchain with the specified filters

Parameters:

filters - The ordered list of filters in this chain

Method Detail

addFilter

public FilterChain addFilter(Filter filter)

Add one Filter to this filterchain

Parameters:

filter - The Filter to add to this chain.

Returns:

this FilterChain for builder pattern magic

prependFilter

public FilterChain prependFilter(Filter filter)

setInputLabel

public FilterChain setInputLabel(java.lang.String label)

Adds an input label to the first filter in this chain.

Parameters:

label - The label to use for the input label for the first filter in this chain

Returns:

this FilterChain for builder pattern magic

Throws:

java.lang.IndexOutOfBoundsException - if there are no filters in this chain.

setOutputLabel

public FilterChain setOutputLabel(java.lang.String label)

Adds an output label to the first filter in this chain.

Parameters:

label - The label to use for the output label for the last filter in this chain

Returns:

this FilterChain for builder pattern magic

Throws:

java.lang.IndexOutOfBoundsException - if there are no filters in this chain.

getExpression

public java.lang.String getExpression()

Description copied from interface: VideoFilter

The expression to be used in the video filter argument to ffmpeg

Specified by:

getExpression in interface VideoFilter

Returns:

A string that will be placed in the -vf or -filter_complex option to ffmpeg.