Hi, I found many topics here about JMF installation on Linux but my problem persists... When I run jmfregistry and click on "Detect Capture Devices" button I get:JavaSound Capture Supported = falsejava.lang.Error: Can't open video card 0java.lang.Error: Can't open video card 1java.lang.Error: ...

Do you know how to store a generated key for future use ? What I'm trying to do is:1. Encrypt the given data in a simple way:KeyGenerator kg = KeyGenerator.getInstance("DES");Key key = kg.generateKey();Cipher cipher = Cipher.getInstance("DES");.... // encrypting goes here2. Store the encrypted ...

Hi,I have short question because I didn't find an anwser yet.Is the Cipher I use to encrypt/decrypt multithreading-safe?I ask this because I want to use it in a web-environment.I have something like this:public class Whatever {// Are these to fields Thread safe?private static Cipher ...

HI,I need to create an Applets and applications that will transmits and receive media using RTP in [JMF]Java Compatible environment--including Web browsers--without having to worry about client side JMF installation.Will it be possible to deploy a java applet on a client browser without having the ...

hello,in my application i have to draw a line between to buttons if and only if the buttons are active.my output depends on the values given by an sensor board which connect through serial port...everything i working fine but i'm unable to show a line between two buttion which are in JPanel ...

HI,I need to create an Applets and applications that will transmitt and recieve media using RTPin [JMF]Java Compatible environment--including Web browsers--withouthaving to worry about client side JMF installation.Will it be possible to deploy a java applet on a clientbrowser without having the ...

I have a problem when rotate image. After i rotate, i save the image and the background of image change to black. I occor with some picture as: http://i209.photobucket.com/albums/bb132/bocanguoi/ti01.gif http://i209.photobucket.com/albums/bb132/bocanguoi/db01.gifimport java.awt.*;import ...

Im pulling a camara datasource through a firewire connection as a vfw and creating a processor from that datasource.The Videoformat isVideoFormat("dvsd",new Dimension(720,480),VideoFormat.NOT_SPECIFIED,null,15f)Then I process itVideoDevices vd = new VideoDevices();CaptureDeviceInfo videoCDI = ...

Hi,I'm developing a multimedia aplication and have the isue, that most programers have. When I closed the player, after stoped it and remove his visula component, etc... The list of subproces don't decrease.In my code after this I start other player whit and other source. And the result is I have ...

I am developing a web application in jsp, servlets and database.I have a registrationform.jsp which takes details like name, address etc.On submitting this form, server validates the user entered information and if everything is correct, then sends him an ID(a number in encrypted format). But ...

Hi,I've got a system were I have constants for each of the compose points, and using a switch on that direction:For example, if north - speed from y, is east + x, and so on.This seems to work well, but I've always wanted to use degrees for the direction, rather then constants.I've made a little ...

Hello, I want to paint and draw complicated shapes with graphics 2D.However I only obtain painting. Where is drawing?Thanks for any reply.public void drawSides(Graphics2D g2d){g2d.setColor(Color.GRAY);for (int i = 0; i<numberofCells; i++){GeneralPath p = new ...

hi all,I've just heard of JAI today, so I hope I've posted my problem into the right place...so:if I have an image containing a line:How can I read it, and get:line 1: (0, 3) (10, 3)namely the line being represented with its start and end points.thanks in ...

Hello Friends,I Create One java class for Getting an image from hard drive and Update its width and Height of that Image through AffineTransform and then after save it back to hard drive through BufferedImage.But when i save my image into hard drive it is not display proper manner.That means after ...

<p>How to draw a blinking caret on TextLayout?</p><p>Thanks in advance.</p>

How to diagnose why XMLSignature.validate is returning "failed core validation"?JWSDP 2.0 demos GenDetached and Validate work fine. Modified both to function properly with "file:" input rather than "http:", thus inserted calls to SetBaseURI for the JDK bug work around. Modified versions work fine ...

On my pc (P4, windows 2K, 384Meg RAM), with JMF 2.1.1e, JDK 1.6, the CPU utilization is pegged at 100% when playing back movies. Interestingly, I can run many simultaneous videos without degradation in any of them (currently running 7 simultaneous). As soon as the video is stopped or paused, the ...

<p>hi all.. i'm developing a drawing application. i need to hide the cursor and change with the shape that is going to be drawn. Any idea how to hide the cursor?</p>

<p>draw line,oval and arrow on the image dynamically.</p><p>please help.</p>

when my signed applet/jar is executed on client machine where JMF is not installed. Then i am not able to Capture the Microphone using CaptureDeviceInfo di = null;AudioFormat a = new AudioFormat (AudioFormat.LINEAR,8000, 16, 1);Vector deviceList = CaptureDeviceManager.getDeviceList(a);for(int ...

<p>I'm playing myMidiFile.midi and the volume is always really high, does anyone know how to adjust the volume of my file</p><p>thanks in advance</p>

Hello, What I'm trying to do is create a Rectangle that will expand in the frame when it is maximized. This is the code I've made so far.import javax.swing.*;import java.awt.*;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.Rectangle;import java.awt.Frame; public class ...

<p>how can i be done</p>

<p>help....i need cant find any code to draw a triangle in java. i need to let user click and drag on the canvas to draw the triangle. Any help will be appreciated.</p>

<p>Hi,</p><p>Do you guys know of good and reliable on-line resources on cryptography in Java 1.6, (apart from java.sun.com) ?</p><p>Thanks a lot</p>

Document document = .. // Document extends BufferedImage bufferedImage = (BufferedImage) document.createImage(document.getWidth(), document.getHeight());Now if I want to draw on bufferedImage Graphics2D graphics2Ddoc = (Graphics2D) document.getGraphics();Graphics2D graphics2D = (Graphics2D) ...

I am trying to do triple DES encryption and Decryption as attached in the codeimport javax.crypto.Cipher;import javax.crypto.SecretKey;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec;public class Sample3 {/** * @param args */public static void main(String[] args) ...

Here's the thing.I realize it's probably a classpath issue, but I don't know where to put the libraries. Compiling non-3d code works fine, which leads me to believe that running the j3d installer in the right place ought to put the libraries in the right place and let me use them. Clearly this ...

I've tried a few too many ways to repeatedly draw an image, and I know that using Graphics is better than initializing 500+ JLabels just to draw 1x100 images as a toolbar.This code keeps throwing NullPointerExceptions and I simply can't figure out why. Maybe someone a bit more insightful than ...

Hello all, first of all, sorry about my englishWell, im having problems capturing audio and video from a webcam and compressing it to a local file using IV50 and GSM. I already have merged the source and cloned it so I can compress and show for the user what is beign captured at the same time. The ...

<p>i have line segments that are connected and assuming that i can get the points of the segments, how do i know on what segment the point is in?</p>

Please help me....I am working on ubuntu with jdk1.6u2 and java3d1.5.1. I have created an off-screen canvas which is running on windows fine but crashes on ubuntu.Does my system need any upgradation or i will have to do same with different methods. Following is codeBufferedImage buff_image=new ...

I am writing a web-start application that will be downloading hundreds of JPEG 2000 files over the net. This application will also need to iterate effectively over these images. Clearly it is not possible to cache 300-400 images in memory, rather I store these images on disk (this is a signed app). ...

<p>hi...does anyone know how to convert int value (grabbed from getRGB()) into the actual color format?</p>

Theoritically, signing operation includes the following steps1. Create Hash of message called Message Digest.2. Encryption of Hash.My query is: Does Signature class expect plain text (in byte[] ) only? or I need to explicitly create a Message digest first and then pass it to Signature ...

I have a byte array which contains the public modulus and public exponent (first 2 bytes specifies the length of the public exponent, followed by public exponent, the next two bytes after public exponent specifies the length of public modulus and followed by the public modulus). I have to construct ...

<p>hi frnds</p><p>how to specific the Video format in JMF in Application and Size of Video Size........example i want YUV format and size is 640 X 480 my webcam is supported this but how could i change the format and size its very urgent........</p><p> Thanks</p>

<p>Where can I find a simple examplecode in Java 3D?</p><p>Like drawing a simple object like a cube.</p><p>One with explanation would be great.</p>

<p>All</p><p> i am new in 3d games. plz let me send some link to unerstand basic concept and how to start with 3d games development.</p><p>SAmeer</p>

I have tried and tried, but I cannot seem to figure out how to decrypt things in Java. I encrypted a string using PHP's mcrypt_encrypt function:mcrypt_encrypt (MCRYPT_BLOWFISH, 'password', 'hi', MCRYPT_MODE_ECB); // Returns 
9Y gbut I can't get Java to decrypt it. This is my current ...

OS: Ubuntu 7.04Java version 1.5.0_12I'm trying to run the simplest of examples here, just playing a wav file:import java.io.*;import java.util.*;import javax.sound.sampled.*;public class Main {public static void main(String[] argv) {try {// From fileAudioInputStream stream = ...

Hi,Has anyone had any luck integrating crypto++ with java? I need to decrypt a string encrypted by the crypto++ code. It is using the DefaultEncryptorWithMAC which says it is a Password-Based Encryptor using DES-EDE2 (a triple des pass twice) and HMAC/SHA-1. Being a relative newbie to encryption, I ...

<p>I am having a hard time figuring out how to modify the elliptical gradient into a tricolor rectangular gradient. Does anyone know how to modify the code to draw an rectangular gradient?</p><p>Thanks</p>

<p>hi..i have a canvas which is a JPanel of white background. this canvas can be drawn. I want to get every pixel of the canvas. how do i get it? This is a JPanel and not an image. can i get the pixel?</p>

Hi,I met a problem using DES encryption in my applet. The encryption process works fine only when the data to encrypt is surrounded by dots ('.'). I can't understand why... Without dots, I can only encrypt data which length doesn't exceed 7 characters. Here's my code :public static byte[] ...

<p>Hi, how can one traverse through each pixel in a picture, therefore editing one by one?</p>

Please see my executable code. I am going to plot a 2D object, but can't add on the panel. What's wrong?import java.io.*;import java.awt.Font;import java.awt.Color;import java.awt.Graphics;import java.awt.BasicStroke;import java.awt.GradientPaint;import java.awt.geom.GeneralPath;import ...

Hi guys- firstly im not the worlds greatest programmerBasically i need to write a program which can take in a variable number of image files (of the same size) and overlay them.The images will be european maps, with coloured overlays corresponding to temperature. Eg i shall have 12 maps of europe ...

<p>Hello,</p><p>I'm looking for a way to output several audio streams from the Asterisk server (as RTP for example) on different audio enddevices like boxes and USB-headset.</p><p>Does someone have an idea?</p>

hi all....i want to develop a drawing application which allow user to draw on the screen and the drawings will be sent over to the other client. it's something like isketch ( http://isketch.net/). It's a real time drawing application.any suggestions on how should do it to be able to send drawings ...