nidaqdev
Class NIFilePlayback

java.lang.Object
  nidaqdev.NIFilePlayback

All Implemented Interfaces:

FilePlaybackDevice

public class NIFilePlayback
extends java.lang.Object
implements FilePlaybackDevice

Field Summary

private java.util.ArrayList<NIDeviceInfo>	deviceInfo
private FilePlayback	filePlayback
private Nidaq	niDaq
private int[]	niDeviceLUT converts usable NI devices (ones with playback channels) to numbers used by the NI interface to identify the different cards on the system .
private java.lang.String[]	niDeviceNames
private boolean	prepared

Constructor Summary

NIFilePlayback(FilePlayback filePlayback)

Method Summary

java.lang.String[]	getDeviceNames()
java.lang.String	getName()
private void	getNIDevices()
int	getNumPlaybackChannels(int devNum) Get's the number of playback channels for a given device.
boolean	playData(RawDataUnit[] data) Play some data.
boolean	preparePlayback(PlaybackParameters playbackParameters) Prepare playback
boolean	stopPlayback() Stop playback, clean up buffers, etc.

Methods inherited from class java.lang.Object

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

Field Detail

prepared

private volatile boolean prepared

filePlayback

private FilePlayback filePlayback

niDeviceLUT

private int[] niDeviceLUT

converts usable NI devices (ones with playback channels) to numbers used by the NI interface to identify the different cards on the system .

niDeviceNames

private java.lang.String[] niDeviceNames

niDaq

private Nidaq niDaq

deviceInfo

private java.util.ArrayList<NIDeviceInfo> deviceInfo

Constructor Detail

NIFilePlayback

public NIFilePlayback(FilePlayback filePlayback)

Method Detail

getNIDevices

private void getNIDevices()

getDeviceNames

public java.lang.String[] getDeviceNames()

Specified by:

getDeviceNames in interface FilePlaybackDevice

Returns:

a list of device names

getName

public java.lang.String getName()

Specified by:

getName in interface FilePlaybackDevice

Returns:

a name for this type of playback device

getNumPlaybackChannels

public int getNumPlaybackChannels(int devNum)

Description copied from interface: FilePlaybackDevice

Get's the number of playback channels for a given device.

Specified by:

getNumPlaybackChannels in interface FilePlaybackDevice

Parameters:

devNum - device number

Returns:

number of channels

playData

public boolean playData(RawDataUnit[] data)

Description copied from interface: FilePlaybackDevice

Play some data. The length of the data array must correspond to the number of channels.

Specified by:

playData in interface FilePlaybackDevice

Parameters:

data - array of raw audio data units.

Returns:

true if played OK.

preparePlayback

public boolean preparePlayback(PlaybackParameters playbackParameters)

Description copied from interface: FilePlaybackDevice

Prepare playback

Specified by:

preparePlayback in interface FilePlaybackDevice

Parameters:

playbackParameters - parameters

Returns:

true if all Ok. S

stopPlayback

public boolean stopPlayback()

Description copied from interface: FilePlaybackDevice

Stop playback, clean up buffers, etc.

Specified by:

stopPlayback in interface FilePlaybackDevice

Returns:

true if all cleaned up Ok.