Streaming Audio and playback

Hello

In my application, I tried to record audio and then tried writing the bytes on the file system in mp3 format. When I open the file via the browser recorder opens and it does not play anything. I'm doing something wrong?

(FYI: JDE 4.6 Simulator 9000)

import java. IO;
Import javax.microedition.io.Connector;
Import javax.microedition.io.file.FileConnection;
Javax.microedition.midlet import. *;
Javax.microedition.lcdui import. *;
Javax.microedition.media import. *;
Javax.microedition.media.control import. *;
Import net.rim.blackberry.api.browser.Browser;
Import net.rim.blackberry.api.browser.BrowserSession;
Import net.rim.device.api.applicationcontrol.ApplicationPermissions;
Import net.rim.device.api.applicationcontrol.ApplicationPermissionsManager;

SerializableAttribute public class RecordMIDlet extends MIDlet {}

public void startApp() {}
Display.getDisplay (THIS) .setCurrent (new RecordForm());
}

public void pauseApp() {}
}

{} public void destroyApp (boolean unconditional)
}
}

class RecordForm extends form implements {CommandListener}

Private StringItem messageItem;
Private StringItem errorItem;
private final order recordCommand, playCommand, cameraCommand;
Private player p;
Private byte [] recordedSoundArray = null;

public RecordForm() {}
Super ("Audio recording");
messageItem = new StringItem ("Record", "Click record to begin recording.");
This.Append (messageItem);
errorItem = new StringItem ("", "");
This.Append (errorItem);

recordCommand = new command ("Record", Command.SCREEN, 1);
this.addCommand (recordCommand);
playCommand = new command ("Play", Command.SCREEN, 2);
this.addCommand (playCommand);
cameraCommand = new command ("camera", Command.SCREEN, 3);
this.addCommand (cameraCommand);
StringBuffer inhalt = new StringBuffer();
this.setCommandListener (this);
}

' public void commandAction (command comm, viewable disp) {}
If (comm == recordCommand) {}
checkPermissions();
New Thread (new Runnable() {}

public void run() {}
try {}
p = Manager.createPlayer ("capture://audio?encoding=pcm");
p.Realize ();
RecordControl rc = p.getControl("RecordControl") (RecordControl);
ByteArrayOutputStream output = new ByteArrayOutputStream();
rc.setRecordStream (output);
rc.startRecord ();
p.Start ();
messageItem.setText ("recording...");
Thread.Sleep (5000);
messageItem.setText ("done!");
RC.Commit ();
recordedSoundArray = output.toByteArray ();
p.Close ();
saveMedia ("recordTest", recordedSoundArray);
} catch (IOException ioe) {}
errorItem.setLabel ("Error");
errorItem.setText (ioe.toString ());
} catch (MediaException me) {}
errorItem.setLabel ("Error");
errorItem.setText (me.toString ());
} catch (InterruptedException ie) {}
errorItem.setLabel ("Error");
errorItem.setText (ie.toString ());
}
}
({. start()});
} ElseIf (comm == playCommand) {}
Play();
ByteArrayInputStream recordedInputStream = new ByteArrayInputStream (recordedSoundArray);
Drive p2 = Manager.createPlayer (recordedInputStream, "audio/basic");
P2. Realize();
P2.prefetch ();
P2. Start();
} ElseIf (comm == cameraCommand) {}
Camera.getInstance () .showCamera ();
}
}

{} public void play()

New Thread (new Runnable() {}

public void run() {}
Private private = Browser.getDefaultSession ();
browserSession.displayPage("file:///SDCard/recordTest.mp3");

}
({. start()});

}

' Private Sub saveMedia (fileName As String, byte [] data) survey IOException, SecurityException {}
String imagePath = "SDCard /";
FileConnection fileConnection = null;
DataOutputStream dataOutputStream.

Connection string = "file:///" + imagePath + ".mp3" fileName
System.out.println ("path of Conn:" + connection);

fileConnection = Connector.open (connection) (FileConnection);
If (! fileConnection.exists ()) {}
fileConnection.create ();
}
dataOutputStream = fileConnection.openDataOutputStream ();
dataOutputStream.write (data, 0, data.length);
dataOutputStream.flush ();
dataOutputStream.close ();
If (fileConnection! = null) {}
fileConnection.close ();
}
}

private void checkPermissions() {}

APM ApplicationPermissionsManager = ApplicationPermissionsManager.getInstance ();
Original ApplicationPermissions = apm.getApplicationPermissions ();
If (original.getPermission (ApplicationPermissions.PERMISSION_RECORDING) == ApplicationPermissions.VALUE_ALLOW) {}
return;
}
ApplicationPermissions permRequest = new ApplicationPermissions();
permRequest.addPermission (ApplicationPermissions.PERMISSION_RECORDING);
acceptance of Boolean is ApplicationPermissionsManager.getInstance () .invokePermissionsRequest (permRequest);.
If {(acceptance)

The user accepts all permissions.
return;
}
}
}

Thanking you,

Kind regards

S.A.Norton Stanley

Hello

The problem was that I was starting the browser in a thread that was causing the problem. It works fine now.

Thanking you,

S.A.Norton Stanley

Tags: BlackBerry Developers

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