ws.schild.jave.filters

Class FilterGraph

java.lang.Object

ws.schild.jave.filters.FilterGraph

All Implemented Interfaces:

VideoFilter

Direct Known Subclasses:

FilterAndWatermark, OverlayWatermark

public class FilterGraph
extends Object
implements VideoFilter

A filtergraph as described by FFMPEG Documentation.

A filtergraph can optionally start with sws_flags for scaling of outputs and is then composed of a semi-colon separated series of filterchains.

Author:

mressler

Constructor Summary

Constructors

Constructor and Description
FilterGraph() Create an empty filtergraph.
FilterGraph(FilterChain... chains) Create a filtergraph with a specified list of filterchains.
FilterGraph(String swsFlags, FilterChain... chains) Create a filtergraph with a specified list of filterchains and specified sws_flags.

Method Summary

Modifier and Type	Method and Description
FilterGraph	addChain(FilterChain chain) Add a filterchain to this filtergraph.
String	getExpression() The expression to be used in the video filter argument to ffmpeg
FilterGraph	setSwsFlags(String swsFlags) set the sws_flags to pass to libavfilter scale filters.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterGraph

public FilterGraph()

Create an empty filtergraph.

FilterGraph

public FilterGraph(FilterChain... chains)

Create a filtergraph with a specified list of filterchains.

Parameters:

chains - The list of filterchains to be used in this filtergraph.

FilterGraph

public FilterGraph(String swsFlags,
                   FilterChain... chains)

Create a filtergraph with a specified list of filterchains and specified sws_flags.

Parameters:

chains - The list of filterchains to be used in this filtergraph.

swsFlags - The sws_flags parameter to pass to libavfilter scale filters.

Method Detail

addChain

public FilterGraph addChain(FilterChain chain)

Add a filterchain to this filtergraph.

Parameters:

chain - The filterchain to add to this filtergraph.

Returns:

this FilterGraph for builder pattern magic

setSwsFlags

public FilterGraph setSwsFlags(String swsFlags)

set the sws_flags to pass to libavfilter scale filters.

Parameters:

swsFlags - The flags that will; be passed to libavfilter scale filters.

Returns:

this FilterGraph for builder pattern magic

getExpression

public 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.