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Problem In the Video
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Posted By:   Amit_Sri
Posted On:   Wednesday, April 16, 2008 05:19 AM

hello, I am trying to develop a application through which we can watch the video on mobile.I am using S60 SDK and Netbeans IDE when I am playing A Video 3gp file i able to hear the sound but Video is not visible, It shows "NO DATA".... plz check the below code and tell what to do to achieve Video Thanks import java.util.Hashtable; import java.util.Enumeration; import java.io.*; import javax.microedition.lcdui.Item; import javax.microedition.lcdui.List; import javax.microedition.lcdui.Form; import javax.microedition.midlet.MIDlet; import javax.microedition.lcdui.Command; import javax.microedition.lcdui.CommandListener;    More>>

hello,
I am trying to develop a application through which we can watch the video on mobile.I am using S60 SDK and Netbeans IDE
when I am playing A Video 3gp file i able to hear the sound but Video is not visible, It shows "NO DATA".... plz check the below code and tell what to do to achieve Video

Thanks


			
import java.util.Hashtable;
import java.util.Enumeration;
import java.io.*;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.List;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;

import javax.microedition.lcdui.Command;

import javax.microedition.lcdui.CommandListener;

import javax.microedition.media.Player;

import javax.microedition.media.Manager;
import javax.microedition.media.PlayerListener;
import javax.microedition.media.control.VideoControl;



import javax.microedition.lcdui.*;
import javax.microedition.media.*;
import javax.microedition.media.control.*;
import javax.microedition.midlet.*;

public class MediaMIDlet extends MIDlet
implements CommandListener, PlayerListener {

public Display display=null;
private List itemList=null;
private Form form=null;

private Command stopCommand;
private Command pauseCommand;
private Command startCommand;

private Hashtable items;
private Hashtable itemsInfo;

Player player;
private VideoControl vc;


Item video;

public MediaMIDlet() {
display = Display.getDisplay(this);

// creates an item list to let you select multimedia files to play
itemList = new List("Select an item to play", List.IMPLICIT);

// stop, pause and restart commands
stopCommand = new Command("Stop", Command.STOP, 1);
pauseCommand = new Command("Pause", Command.ITEM, 1);
startCommand = new Command("Start", Command.ITEM, 1);

// a form to display when items are being played
form = new Form("Playing media");

// the form acts as the interface to stop and pause the media
form.addCommand(stopCommand);
form.addCommand(pauseCommand);
form.setCommandListener(this);

display.setCurrent(form);
// create a hashtable of items
items = new Hashtable();

// and a hashtable to hold information about them
itemsInfo = new Hashtable();


items.put("Promo Video from jar", "file://bark.3gp");
itemsInfo.put("Promo Video from jar", "Video/3gpp");


}

public void startApp() {

// when MIDlet is started, use the item list to display elements
for(Enumeration en = items.keys(); en.hasMoreElements();) {
itemList.append((String)en.nextElement(), null);
}

itemList.setCommandListener(this);

// show the list when MIDlet is started
display.setCurrent(itemList);
}

public void pauseApp() {
// pause the player
try {
if(player != null) player.stop();
} catch(Exception e) {}
}

public void destroyApp(boolean unconditional) {
if(player != null) player.close(); // close the player
}

public void commandAction(Command command, Displayable disp) {

// generic command handler

// if list is displayed, the user wants to play the item
if(disp instanceof List) {
List list = ((List)disp);

String key = list.getString(list.getSelectedIndex());

// try and play the selected file
try {
playMedia((String)items.get(key), key);
} catch (Exception e) {
System.err.println("Unable to play: " + e);
e.printStackTrace();
}
} else if(disp instanceof Form) {

// if showing form, means the media is being played
// and the user is trying to stop or pause the player
try {

if(command == stopCommand) { // if stopping the media play

player.close(); // close the player
display.setCurrent(itemList); // redisplay the list of media
form.removeCommand(startCommand); // remove the start command
form.addCommand(pauseCommand); // add the pause command

} else if(command == pauseCommand) { // if pausing

player.stop(); // pauses the media, note that it is called stop
form.removeCommand(pauseCommand); // remove the pause command
form.addCommand(startCommand); // add the start (restart) command
} else if(command == startCommand) { // if restarting

player.start(); // starts from where the last pause was called
form.removeCommand(startCommand);
form.addCommand(pauseCommand);
}
} catch(Exception e) {
System.err.println(e);
}
}

}

/* Creates Player and plays media for the first time */
private void playMedia(String locator, String key) throws Exception {

// locate the actual file, we are only dealing
// with file based media here

// create the player
// loading it as a resource and using information about it



InputStream is =
getClass().getResourceAsStream("/bark.3gp");
//player = Manager.createPlayer(getClass().getResourceAsStream(file), (String)itemsInfo.get(key));
player = Manager.createPlayer(is,"Video/3gpp");

// a listener to handle player events like starting, closing etc
player.addPlayerListener(this);
player.realize(); // realize

player.setLoopCount(-1); // play indefinitely
player.prefetch(); // prefetch


display.setCurrent(form);
player.prefetch(); // prefetch




player.start();

// and start
}

/* Handle player events */
public void playerUpdate(Player player, String event, Object eventData) {

// if the event is that the player has started, show the form
// but only if the event data indicates that the event relates to newly
// stated player, as the STARTED event is fired even if a player is
// restarted. Note that eventData indicates the time at which the start
// event is fired.
if(event.equals(PlayerListener.STARTED) ) {

// see if we can show a video control, depending on whether the media
// is a video or not
VideoControl vc = null;
if((vc = (VideoControl)player.getControl("VideoControl")) != null) {
Item videoDisp =
(Item)vc.initDisplayMode(vc.USE_GUI_PRIMITIVE, null);
form.append(videoDisp);

}


//display.setCurrent(form);
} else if(event.equals(PlayerListener.CLOSED)) {

form.deleteAll(); // clears the form of any previous controls
}
}
}
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Re: Problem In the Video

Posted By:   Sandeep_Gulati  
Posted On:   Friday, May 23, 2008 08:49 AM

Amit ...(File://----------) is wrong ...put (file:///------) three slash

Re: Problem In the Video

Posted By:   Sandeep_Gulati  
Posted On:   Friday, May 23, 2008 08:47 AM

Hi Amit .......Do one thing check this with sony ericsson emulater .....or on real device .......if still got the problem then check the following code by using file streaming

Manager.createPlayer("file:///root1/video.3pg")

Make shure that whether u put the video in root1 folder in SE(sony ericsson) tool kit.


regards,
sandeep
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