File	Doc	Category	Size	Date	Package
DataSource.java	API Doc	JMF 2.1.1e	3642	Mon May 12 12:21:20 BST 2003	com.sun.media.protocol.vfw

DataSource

• java.lang.Object
  • javax.media.protocol.DataSource
    • javax.media.protocol.PushBufferDataSource
      • com.sun.media.protocol.BasicPushBufferDataSource

Fields Summary
private PushBufferStream[]	streams
private VFWSourceStream	vfwStream
private static String	ContentType
private FormatControl	fc
protected Control[]	controls

Constructors Summary
public DataSource() com.sun.media.JMFSecurityManager.checkCapture(); contentType = ContentType; duration = DURATION_UNBOUNDED;

Methods Summary
public void	connect() if (streams == null) { streams = new PushBufferStream[1]; if (vfwStream == null) vfwStream = new VFWSourceStream(getLocator()); streams[0] = vfwStream; } vfwStream.connect(null); super.connect();
public void	disconnect() vfwStream.disconnect(); super.disconnect();
public javax.media.CaptureDeviceInfo	getCaptureDeviceInfo() if (vfwStream == null) return null; else return vfwStream.getCaptureDeviceInfo();
public java.lang.Object	getControl(java.lang.String controlType) Return the control based on a control type for the PlugIn. try { Class cls = Class.forName(controlType); Object cs[] = getControls(); for (int i = 0; i < cs.length; i++) { if (cls.isInstance(cs[i])) return cs[i]; } return null; } catch (Exception e) { // no such controlType or such control return null; }
public java.lang.Object[]	getControls() if (vfwStream != null) return vfwStream.getControls(); else return new Control[0];
public javax.media.control.FormatControl[]	getFormatControls() if (vfwStream == null) return new FormatControl[0]; else return new FormatControl[] {(FormatControl) vfwStream};
public javax.media.protocol.RateConfiguration[]	getRateConfigurations() Methods for the RateConfigurable interface. RateConfiguration config [] = { new OneRateConfig() }; return config;
boolean	getStarted() return started;
public javax.media.protocol.PushBufferStream[]	getStreams() if (streams == null) System.err.println("DataSource needs to be connected before calling getStreams"); return streams;
public void	setLocator(javax.media.MediaLocator loc) super.setLocator(loc); if (vfwStream == null) { vfwStream = new VFWSourceStream(getLocator()); }
public javax.media.protocol.RateConfiguration	setRateConfiguration(javax.media.protocol.RateConfiguration config) return config;
public void	start() vfwStream.start(); super.start();
public void	stop() vfwStream.stop(); super.stop();