File	Doc	Category	Size	Date	Package
DSound.java	API Doc	JMF 2.1.1e	2228	Mon May 12 12:21:20 BST 2003	com.sun.media.protocol.dsound

DSound

• java.lang.Object

Fields Summary
private static boolean	opened
private static AudioFormat	format
private static int	bufSize
private static long	directSound
private long	dsBuffer
static boolean	loaded

Constructors Summary
public DSound(AudioFormat format, int bufferSize) if (!loaded) { try { JMFSecurityManager.checkCapture(); JMFSecurityManager.loadLibrary("jmdaudc"); loaded = true; } catch (UnsatisfiedLinkError e) { loaded = false; throw e; } } this.format = format; this.bufSize = bufferSize;

Methods Summary
public synchronized void	close() if (dsBuffer != 0) nClose(dsBuffer); dsBuffer = 0;
public void	flush() nFlush(dsBuffer);
public int	getBufferSize() return bufSize;
public javax.media.format.AudioFormat	getFormat() return format;
public static boolean	isFormatSupported(javax.media.format.AudioFormat format, int bufSize) return true;
public static boolean	isOpen() return opened;
private native synchronized void	nClose(long dsBuffer)
private native synchronized void	nFlush(long dsBuffer)
private native long	nOpen(int sampleRate, int sampleSize, int channels, int bufferSize)
private native synchronized int	nRead(long dsBuffer, byte[] data, int offset, int len)
private native synchronized void	nStart(long dsBuffer)
private native synchronized void	nStop(long dsBuffer)
public void	open() dsBuffer = nOpen((int) format.getSampleRate(), format.getSampleSizeInBits(), format.getChannels(), bufSize); if (dsBuffer == 0) throw new Error("Couldn't create capture buffer");
public int	read(byte[] data, int offset, int len) return nRead(dsBuffer, data, offset, len);
public void	start() nStart(dsBuffer);
public void	stop() nStop(dsBuffer);