filtergraphlink.java

FMJ（freedom media for java)是java视频开发的新选择

package net.sf.fmj.filtergraph;

/**
 * A link to a destination node, specifying a specific track at the
 * dest.  Track is only relevant for a mux.
 * @author Ken Larson
 *
 */
public class FilterGraphLink
{
	private FilterGraphNode destNode;	// may not be null.
	private final int destTrack;
	
	public FilterGraphLink(FilterGraphNode destNode, final int destTrack)
	{
		super();
		if (destNode == null)
			throw new NullPointerException();
		if (destNode instanceof MuxNode && destTrack < 0)
			throw new IllegalArgumentException();
		this.destNode = destNode;
		this.destTrack = destTrack;
	}
	
	public FilterGraphLink(FilterGraphNode destNode)
	{
		super();
		if (destNode == null)
			throw new NullPointerException();
		if (destNode instanceof MuxNode)
			throw new IllegalArgumentException();
		this.destNode = destNode;
		this.destTrack = -1;
	}

	public FilterGraphNode getDestNode()
	{
		return destNode;
	}

	public int getDestTrack()
	{
		return destTrack;
	}
}