Package jmri.jmrit.audio

Class JoalAudioBuffer

java.lang.Object

jmri.implementation.AbstractNamedBean

jmri.implementation.AbstractAudio

jmri.jmrit.audio.AbstractAudioBuffer

jmri.jmrit.audio.JoalAudioBuffer

All Implemented Interfaces:

Comparable<NamedBean>, Audio, PropertyChangeProvider, AudioBuffer, NamedBean

public class JoalAudioBuffer
extends AbstractAudioBuffer

JOAL implementation of the Audio Buffer sub-class.

For now, no system-specific implementations are forseen - this will remain internal-only

This software is based on or using the JOAL Library available from http://jogamp.org/joal/www/

JOAL is released under the BSD license. The full license terms follow:
Copyright (c) 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistribution of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
- Redistribution in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Sun Microsystems, Inc. or the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission.
This software is provided "AS IS," without a warranty of any kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
You acknowledge that this software is not designed or intended for use in the design, construction, operation or maintenance of any nuclear facility.


This file is part of JMRI.

JMRI is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. See the "COPYING" file for a copy of this license.

JMRI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

Nested Class Summary

Nested classes/interfaces inherited from interface jmri.NamedBean

NamedBean.BadNameException, NamedBean.BadSystemNameException, NamedBean.BadUserNameException, NamedBean.DisplayOptions, NamedBean.DuplicateSystemNameException

Field Summary

Fields inherited from class jmri.jmrit.audio.AbstractAudioBuffer

LOOP_POINT_BOTH, LOOP_POINT_END, LOOP_POINT_START

Fields inherited from class jmri.implementation.AbstractNamedBean

listenerRefs, mSystemName, register

Fields inherited from interface jmri.Audio

AT, BUFFER, CMD_BIND_BUFFER, CMD_FADE_IN, CMD_FADE_OUT, CMD_INIT_FACTORY, CMD_LOAD_SOUND, CMD_PAUSE, CMD_PAUSE_TOGGLE, CMD_PLAY, CMD_PLAY_TOGGLE, CMD_QUEUE_BUFFERS, CMD_RESET_POSITION, CMD_RESUME, CMD_REWIND, CMD_STOP, CMD_UNQUEUE_BUFFERS, DECIMAL_PLACES, FADE_IN, FADE_NONE, FADE_OUT, LISTENER, MAX_DISTANCE, SOURCE, STATE_EMPTY, STATE_INITIAL, STATE_LOADED, STATE_MOVING, STATE_PLAYING, STATE_POSITIONED, STATE_STOPPED, UP

Fields inherited from interface jmri.jmrit.audio.AudioBuffer

FORMAT_16BIT_5DOT1, FORMAT_16BIT_6DOT1, FORMAT_16BIT_7DOT1, FORMAT_16BIT_MONO, FORMAT_16BIT_QUAD, FORMAT_16BIT_STEREO, FORMAT_8BIT_5DOT1, FORMAT_8BIT_6DOT1, FORMAT_8BIT_7DOT1, FORMAT_8BIT_MONO, FORMAT_8BIT_QUAD, FORMAT_8BIT_STEREO, FORMAT_UNKNOWN

Fields inherited from interface jmri.NamedBean

DISPLAY_NAME_FORMAT, INCONSISTENT, PROPERTY_COMMENT, PROPERTY_ENABLED, PROPERTY_KNOWN_STATE, PROPERTY_STATE, PROPERTY_USERNAME, QUOTED_NAME_FORMAT, UNKNOWN

Constructor Summary

Constructors

Constructor	Description
JoalAudioBuffer(String systemName)	Constructor for new JoalAudioBuffer with system name
JoalAudioBuffer(String systemName, String userName)	Constructor for new JoalAudioBuffer with system name and user name

Method Summary

Modifier and Type	Method	Description
protected void	cleanup()	Abstract method that concrete classes will implement to perform necessary cleanup routines.
protected void	generateLoopBuffers(int which)	Method used to generate any necessary loop buffers.
protected boolean	generateStreamingBuffers()	Internal method used to generate buffers for streaming
protected int[]	getDataStorageBuffer()	Return reference to the DataStorageBuffer integer array
int	getFormat()	Retrieves the format of the sound sample stored in this buffer
int	getFrequency()	Retrieves the frequency of the sound sample stored in this buffer
long	getLength()	Retrieves the length of the sound sample stored in this buffer
protected boolean	loadBuffer()	Method used to load the actual sound data into the buffer
protected boolean	loadBuffer(InputStream stream)	Method used to load the actual sound data from an InputStream into the buffer
boolean	loadBuffer(ByteBuffer b, int format, int freq)
protected void	removeStreamingBuffers()	Internal method used to remove streaming buffers

Methods inherited from class jmri.jmrit.audio.AbstractAudioBuffer

getEndLoopPoint, getFrameSize, getStartLoopPoint, getSubType, getURL, isStreamed, isStreamedForced, setEndLoopPoint, setEndLoopPoint, setInputStream, setStartLoopPoint, setStartLoopPoint, setStreamed, setStreamedForced, setURL, stateChanged

Methods inherited from class jmri.implementation.AbstractAudio

dispose, getBeanType, getState, getUsageReport, roundDecimal, roundDecimal, setState

Methods inherited from class jmri.implementation.AbstractNamedBean

addPropertyChangeListener, addPropertyChangeListener, addPropertyChangeListener, addPropertyChangeListener, compareSystemNameSuffix, describeState, equals, firePropertyChange, getComment, getDisplayName, getDisplayName, getListenerRef, getListenerRefs, getNumPropertyChangeListeners, getProperty, getPropertyChangeListeners, getPropertyChangeListeners, getPropertyChangeListenersByReference, getPropertyKeys, getSystemName, getUserName, hashCode, removeProperty, removePropertyChangeListener, removePropertyChangeListener, setComment, setProperty, setUserName, toString, toStringSuffix, updateListenerRef, vetoableChange

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface jmri.NamedBean

addPropertyChangeListener, addPropertyChangeListener, compareSystemNameSuffix, compareTo, describeState, dispose, getBeanType, getComment, getDisplayName, getDisplayName, getListenerRef, getListenerRefs, getNumPropertyChangeListeners, getProperty, getPropertyChangeListenersByReference, getPropertyKeys, getRecommendedToolTip, getState, getSystemName, getUsageReport, getUserName, removeProperty, setComment, setProperty, setState, setUserName, toString, updateListenerRef, vetoableChange

Methods inherited from interface jmri.beans.PropertyChangeProvider

addPropertyChangeListener, addPropertyChangeListener, getPropertyChangeListeners, getPropertyChangeListeners, removePropertyChangeListener, removePropertyChangeListener

Constructor Details

JoalAudioBuffer

public JoalAudioBuffer(String systemName)

Constructor for new JoalAudioBuffer with system name

Parameters:

systemName - AudioBuffer object system name (e.g. IAB4)

JoalAudioBuffer

public JoalAudioBuffer(String systemName,
 String userName)

Constructor for new JoalAudioBuffer with system name and user name

Parameters:

systemName - AudioBuffer object system name (e.g. IAB4)

userName - AudioBuffer object user name

Method Details

getDataStorageBuffer

protected int[] getDataStorageBuffer()

Return reference to the DataStorageBuffer integer array

Applies only to sub-types:

• Buffer

Returns:

buffer[] reference to DataStorageBuffer

loadBuffer

protected boolean loadBuffer(InputStream stream)

Description copied from class: AbstractAudioBuffer

Method used to load the actual sound data from an InputStream into the buffer

Specified by:

loadBuffer in class AbstractAudioBuffer

Parameters:

stream - InputStream containing sound data

Returns:

True if successful; False if not

loadBuffer

protected boolean loadBuffer()

Description copied from class: AbstractAudioBuffer

Method used to load the actual sound data into the buffer

Specified by:

loadBuffer in class AbstractAudioBuffer

Returns:

True if successful; False if not

loadBuffer

public boolean loadBuffer(ByteBuffer b,
 int format,
 int freq)

Specified by:

loadBuffer in interface AudioBuffer

Overrides:

loadBuffer in class AbstractAudioBuffer

generateStreamingBuffers

protected boolean generateStreamingBuffers()

Description copied from class: AbstractAudioBuffer

Internal method used to generate buffers for streaming

Specified by:

generateStreamingBuffers in class AbstractAudioBuffer

Returns:

True if successful; False if not

removeStreamingBuffers

protected void removeStreamingBuffers()

Description copied from class: AbstractAudioBuffer

Internal method used to remove streaming buffers

Specified by:

removeStreamingBuffers in class AbstractAudioBuffer

generateLoopBuffers

protected void generateLoopBuffers(int which)

Description copied from class: AbstractAudioBuffer

Method used to generate any necessary loop buffers.

Specified by:

generateLoopBuffers in class AbstractAudioBuffer

Parameters:

which - the loop buffer to generate:
AbstractAudioBuffer.LOOP_POINT_START for the start loop buffer
AbstractAudioBuffer.LOOP_POINT_END for the end loop buffer
AbstractAudioBuffer.LOOP_POINT_BOTH for both loop buffers

getFormat

public int getFormat()

Description copied from interface: AudioBuffer

Retrieves the format of the sound sample stored in this buffer

Applies only to sub-types:

• Buffer

Returns:

constant representing format

getLength

public long getLength()

Description copied from interface: AudioBuffer

Retrieves the length of the sound sample stored in this buffer

Applies only to sub-types:

• Buffer

Returns:

length of sound sample in frames

See Also:

• AudioBuffer.getFrameSize()

getFrequency

public int getFrequency()

Description copied from interface: AudioBuffer

Retrieves the frequency of the sound sample stored in this buffer

Applies only to sub-types:

• Buffer

Returns:

frequency of sound sample in Hz

cleanup

protected void cleanup()

Description copied from class: AbstractAudio

Abstract method that concrete classes will implement to perform necessary cleanup routines.

This method is now included in dispose(). The caller can call dispose() to cleanup and deregister an audio object.

Specified by:

cleanup in class AbstractAudio