[hamada200700]

But when am adding some modifications
on the class of wavplayer
to support the buffering concept
it doesn't work
and an error happen
plz anyone try to help me
to solve it[/size][/b]

package playsound;

import javax.microedition.lcdui.*;
import java.io.*;
import javax.microedition.media.*;
import java.util.Vector;

public class WavPlayer
extends Form
implements CommandListener , PlayerListener {
Command exitCmd = new Command("Exit", Command.EXIT, 1);
Command backCmd = new Command("Back", Command.BACK, 2);
Command stopCmd = new Command("Stop", Command.SCREEN, 3);
Command startCmd = new Command("Start", Command.SCREEN, 3);
PlaysoundMIDlet myPlaysoundMIDlet;
Displayable parent;
Player player;
Thread bufferingThread;
Thread playingThread;
boolean startPlayingThread;
Vector audioByteArrays;

public WavPlayer(PlaysoundMIDlet myPlaysoundMIDlet, Displayable parent) {
super("Displayable Title");
this.myPlaysoundMIDlet = myPlaysoundMIDlet;
this.parent = parent;
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}

private void jbInit() throws Exception {
// Set up this Displayable to listen to command events
setCommandListener(this);
// add the Exit command
addCommand(exitCmd);
addCommand(backCmd);
addCommand(stopCmd);
addCommand(startCmd);
play();
}

private void play() {
//start buffering
bufferingThread = new Thread() {
public void run() {
// thread action goes here
try {
InputStream is = getClass().getResourceAsStream("/res/music.wav");
ByteArrayOutputStream baout = new ByteArrayOutputStream();
int b;
while ( ( (b = is.read()) != -1)) {
baout.write(b);
if (baout.size() > 1000) {
baout.close();
audioByteArrays.addElement(baout.toByteArray());
baout = new ByteArrayOutputStream();
}
}
is.close();
}
catch (IOException ex) {
}
}
};
bufferingThread.start();

//playing playingThread
playingThread = new Thread() {
public void run() {
// thread action goes here startPlayingThread
int currentplayedArray = 0;
while (audioByteArrays.size() < currentplayedArray) {
try {
Thread.sleep(500);
}
catch (InterruptedException ex) {
ex.printStackTrace();
}
}
try {
//InputStream is = getClass().getResourceAsStream("/res/music.wav");
ByteArrayInputStream bain =
new ByteArrayInputStream( (byte[])
audioByteArrays.elementAt(currentplayedArray) );
player = Manager.createPlayer(bain, "audio/X-wav");
player.start();

}
catch (Exception ex) {
}
}
};
playingThread.start();
}

public void commandAction(Command command, Displayable displayable) {
/** @todo Add command handling code */
if (command == backCmd) {
Display.getDisplay(myPlaysoundMIDlet).setCurrent(parent);
}
else if (command == exitCmd) {
try {
player.stop();
}
catch (MediaException ex) {
ex.printStackTrace();
}
// stop the MIDlet
PlaysoundMIDlet.quitApp();
}
else if (command == stopCmd) {
try {
player.stop();
}
catch (MediaException ex) {
ex.printStackTrace();
}
}
else if (command == startCmd) {
try {
player.start();
}
catch (MediaException ex) {
ex.printStackTrace();
}
}
}

/**
* playerUpdate
*
* @param player Player
* @param string String
* @param object Object
*/
public void playerUpdate(Player player, String event, Object eventData) {
if (event == (PlayerListener.VOLUME_CHANGED)) {
//VolumeControl vc = (VolumeControl) eventData;
//updateDisplay("Volume Changed to: " + vc.getLevel());
//if (vc.getLevel() > 60) {
// updateDisplay("Volume higher than 60 is too loud");
// vc.setLevel(60);
//}
} else if (event == (PlayerListener.STOPPED)) {
//updateDisplay("Player paused at: " + (Long) eventData);
} else if (event == (PlayerListener.STARTED)) {
//updateDisplay("Player started at: " + (Long) eventData);
} else if (event == (PlayerListener.END_OF_MEDIA)) {
//updateDisplay("Player reached end of loop.");
} else if (event == (PlayerListener.CLOSED)) {
//updateDisplay("Player closed.");
} else if (event == (PlayerListener.ERROR)) {
//updateDisplay("Error Message: " + (String) eventData);
}
}

}

[jitu_goldie]

explain motive of ur application. what u want to do?

[Osam]

Hi,

Can u tell me more about your problem. After i can help u..

Thanks
Osam

[prakash.raman]

what kind of buffering you are trying to do? In place of putting all your code if u can specify more about your issue it would be help full.

[hamada200700]

hi for all
before u g to help me
read the thread which called
""is this player playing right""
on the open discussion
this 3 parts
as wav media player
and it run by a nice way

Then am add some modifications on the part of wavplyer
to support buffering
by adding two threads

which will be shown in th following
and when am run it
it doesn't run
and appear an error!!!
plz hlp me

package playsound;

import javax.microedition.lcdui.*;
import java.io.*;
import javax.microedition.media.*;
import java.util.Vector;

public class WavPlayer
extends Form
implements CommandListener , PlayerListener {
Command exitCmd = new Command("Exit", Command.EXIT, 1);
Command backCmd = new Command("Back", Command.BACK, 2);
Command stopCmd = new Command("Stop", Command.SCREEN, 3);
Command startCmd = new Command("Start", Command.SCREEN, 3);
PlaysoundMIDlet myPlaysoundMIDlet;
Displayable parent;
Player player;
Thread bufferingThread;
Thread playingThread;
boolean startPlayingThread;
Vector audioByteArrays;

public WavPlayer(PlaysoundMIDlet myPlaysoundMIDlet, Displayable parent) {
super("Displayable Title");
this.myPlaysoundMIDlet = myPlaysoundMIDlet;
this.parent = parent;
try {
jbInit();
}
catch (Exception e) {
e.printStackTrace();
}
}

private void jbInit() throws Exception {
// Set up this Displayable to listen to command events
setCommandListener(this);
// add the Exit command
addCommand(exitCmd);
addCommand(backCmd);
addCommand(stopCmd);
addCommand(startCmd);
play();
}

private void play() {
//start buffering
bufferingThread = new Thread() {
public void run() {
// thread action goes here
try {
InputStream is = getClass().getResourceAsStream("/res/music.wav");
ByteArrayOutputStream baout = new ByteArrayOutputStream();
int b;
while ( ( (b = is.read()) != -1)) {
baout.write(b);
if (baout.size() > 1000) {
baout.close();
audioByteArrays.addElement(baout.toByteArray());
baout = new ByteArrayOutputStream();
}
}
is.close();
}
catch (IOException ex) {
}
}
};
bufferingThread.start();

//playing playingThread
playingThread = new Thread() {
public void run() {
// thread action goes here startPlayingThread
int currentplayedArray = 0;
while (audioByteArrays.size() < currentplayedArray) {
try {
Thread.sleep(500);
}
catch (InterruptedException ex) {
ex.printStackTrace();
}
}
try {
//InputStream is = getClass().getResourceAsStream("/res/music.wav");
ByteArrayInputStream bain =
new ByteArrayInputStream( (byte[])
audioByteArrays.elementAt(currentplayedArray) );
player = Manager.createPlayer(bain, "audio/X-wav");
player.start();

}
catch (Exception ex) {
}
}
};
playingThread.start();
}

public void commandAction(Command command, Displayable displayable) {
/** @todo Add command handling code */
if (command == backCmd) {
Display.getDisplay(myPlaysoundMIDlet).setCurrent(parent);
}
else if (command == exitCmd) {
try {
player.stop();
}
catch (MediaException ex) {
ex.printStackTrace();
}
// stop the MIDlet
PlaysoundMIDlet.quitApp();
}
else if (command == stopCmd) {
try {
player.stop();
}
catch (MediaException ex) {
ex.printStackTrace();
}
}
else if (command == startCmd) {
try {
player.start();
}
catch (MediaException ex) {
ex.printStackTrace();
}
}
}

/**
* playerUpdate
*
* @param player Player
* @param string String
* @param object Object
*/
public void playerUpdate(Player player, String event, Object eventData) {
if (event == (PlayerListener.VOLUME_CHANGED)) {
//VolumeControl vc = (VolumeControl) eventData;
//updateDisplay("Volume Changed to: " + vc.getLevel());
//if (vc.getLevel() > 60) {
// updateDisplay("Volume higher than 60 is too loud");
// vc.setLevel(60);
//}
} else if (event == (PlayerListener.STOPPED)) {
//updateDisplay("Player paused at: " + (Long) eventData);
} else if (event == (PlayerListener.STARTED)) {
//updateDisplay("Player started at: " + (Long) eventData);
} else if (event == (PlayerListener.END_OF_MEDIA)) {
//updateDisplay("Player reached end of loop.");
} else if (event == (PlayerListener.CLOSED)) {
//updateDisplay("Player closed.");
} else if (event == (PlayerListener.ERROR)) {
//updateDisplay("Error Message: " + (String) eventData);
}
}

}

[jitu_goldie]

what error is coming with this code..

[sharvan1981]

hi,

what is going on when u execute this code.I thing u are getting exception ,try to explain all thinks.