com.teamdev.jxcapture.video.win.directshow

Class FilterGraphManager

java.lang.Object

com.teamdev.jxcapture.video.win.directshow.FilterGraphManager

public class FilterGraphManager
extends java.lang.Object

Base implementation of filter graph that allows to build IFilterGraph graph object.
It allows to add/remove codecs to the filter graph, connect filters.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FilterGraphManager.GraphThreadMode

Constructor Summary

Constructors

Constructor and Description
FilterGraphManager() Creates filter graph manager.
FilterGraphManager(FilterGraphManager.GraphThreadMode threadMode) Creates filter graph manager.

Method Summary

Modifier and Type	Method and Description
void	addFilter(FilterWrapper filterWrapper) Adds the specified filter to this graph.
void	clearGraph() Removes all filters that are connected to this filter graph.
void	configureVideoWindow(boolean showPreview) Configures video window.
FilterWrapper	connectFilters(FilterWrapper sourceFilter, FilterWrapper destFilter, FilterWrapper[] alternateFilters) Connects the specified source filter to the dest filter.
void	connectPins(PinWrapper outputPin, PinWrapper inputPin)
protected IGraphBuilder	createFilterGraph(FilterGraphManager.GraphThreadMode threadMode)
FilterWrapper	findAnyFilter(java.lang.String... filterCLSIDs) Service function that searches for any of specified filters in this graph.
FilterWrapper	findFilter(java.lang.String filterCLSID) Service function that searches for the specified filters in this graph.
protected java.util.List<IBaseFilter>	getConnectedFilters() Returns filters which are connected to this filter graph.
IGraphBuilder	getFilterGraph() Returns filter graph peer.
java.util.Set<FilterWrapper>	getFilters() Returns the list that contains all filters in the graph.
void	release() Release this filter graph manager.
protected void	removeAllFilters() Removes all filters from this filter graph.
void	removeFilter(FilterWrapper filterWrapper) Removes the specified filter from this graph.
void	renderFile(java.io.File file) Renders a specified file
protected void	setNullSinkFilter()
protected void	synchronizeFilterSet()

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterGraphManager

public FilterGraphManager()

Creates filter graph manager.

FilterGraphManager

public FilterGraphManager(FilterGraphManager.GraphThreadMode threadMode)

Creates filter graph manager.

Parameters:

threadMode - defines graph threading mode

Method Detail

createFilterGraph

protected IGraphBuilder createFilterGraph(FilterGraphManager.GraphThreadMode threadMode)

clearGraph

public void clearGraph()

Removes all filters that are connected to this filter graph.

getConnectedFilters

protected java.util.List<IBaseFilter> getConnectedFilters()

Returns filters which are connected to this filter graph.

Returns:

list of filters

removeAllFilters

protected void removeAllFilters()

Removes all filters from this filter graph.

release

public void release()

Release this filter graph manager.

getFilterGraph

public IGraphBuilder getFilterGraph()

Returns filter graph peer.

Returns:

filter graph peer

addFilter

public void addFilter(FilterWrapper filterWrapper)

Adds the specified filter to this graph.

Parameters:

filterWrapper - filter to join

removeFilter

public void removeFilter(FilterWrapper filterWrapper)

Removes the specified filter from this graph.

Parameters:

filterWrapper - filter to remove

connectFilters

public FilterWrapper connectFilters(FilterWrapper sourceFilter,
                                    FilterWrapper destFilter,
                                    FilterWrapper[] alternateFilters)

Connects the specified source filter to the dest filter. If they fail to connect, method tries to connect one of the alternate filters.

Parameters:

sourceFilter - source filter

destFilter - dest filter

alternateFilters - alternate filter

Returns:

connected filter; null if none of filters were connected.

configureVideoWindow

public void configureVideoWindow(boolean showPreview)

Configures video window.

Parameters:

showPreview - true makes video window visible; false makes video window hidden.

synchronizeFilterSet

protected void synchronizeFilterSet()

getFilters

public java.util.Set<FilterWrapper> getFilters()

Returns the list that contains all filters in the graph.

Returns:

list of filters

findAnyFilter

public FilterWrapper findAnyFilter(java.lang.String... filterCLSIDs)

Service function that searches for any of specified filters in this graph.

Parameters:

filterCLSIDs - CLSIDs of required filters

Returns:

found filter or null if nothing found

findFilter

public FilterWrapper findFilter(java.lang.String filterCLSID)

Service function that searches for the specified filters in this graph.

Parameters:

filterCLSID - CLSIDs of required filter

Returns:

found filter or null if nothing found

connectPins

public void connectPins(PinWrapper outputPin,
                        PinWrapper inputPin)

renderFile

public void renderFile(java.io.File file)
                throws UnsupportedStreamException

Renders a specified file

Parameters:

file - file to render

Throws:

UnsupportedStreamException - if the specified file could not be rendered

setNullSinkFilter

protected void setNullSinkFilter()