File	Doc	Category	Size	Date	Package
NBA.java	API Doc	JMF 2.1.1e	2291	Mon May 12 12:20:50 BST 2003	com.sun.media

NBA

• java.lang.Object

Fields Summary
private long	data
private int	size
private Class	type
private Object	javaData
private int	atype

Constructors Summary

public NBA(Class type, int size) try { JMFSecurityManager.loadLibrary( "jmutil"); } catch (Throwable t) { } this.type = type; this.size = size; if (type == short[].class) { atype = 2; size *= 2; } else if (type == int[].class) { atype = 4; size *= 4; } else if (type == long[].class) { atype = 8; size *= 8; } //System.err.println("NBA.constructor allocating " + size); data = nAllocate(size); if (data == 0) throw new OutOfMemoryError("Couldn't allocate native buffer");

Methods Summary
public synchronized java.lang.Object	clone() NBA cl = new NBA(type, size); nCopyToNative(data, cl.data, size); return cl;
public synchronized void	copyTo(com.sun.media.NBA nba) if (nba.size >= size) { nCopyToNative(data, nba.data, size); }
public synchronized void	copyTo(byte[] javadata) if (javadata.length >= size) { nCopyToJava(data, javadata, size, atype); }
protected final synchronized void	finalize() if (data != 0) nDeallocate(data); data = 0;
public synchronized java.lang.Object	getData() if (javaData == null) { if (type == byte[].class) javaData = new byte[size]; else if (type == short[].class) javaData = new short[size]; else if (type == int[].class) javaData = new int[size]; else if (type == long[].class) javaData = new long[size]; else { System.err.println("NBA: Don't handle this data type"); return null; } } //Thread.dumpStack(); //System.err.println("NBA.getData"); nCopyToJava(data, javaData, size, atype); return javaData;
public synchronized long	getNativeData() return data;
public int	getSize() return size;
private native long	nAllocate(int size)
private native void	nCopyToJava(long indata, java.lang.Object outdata, int size, int atype)
private native void	nCopyToNative(long indata, long outdata, int size)
private native void	nDeallocate(long data)