I am using JAVA SWING to implement a video application which can handle MP4 and MJPEG video formats.
I can play MJPEG video format but can't play MP4 videos.
Do you have some advice that what changes i need to make in this code, so that MP4 videos can also be handled.video player in JAVA using RTSP
VLCJ and OpenCV both offer out of the box connection to RTSP streams. They can be displayed in JPanels live. OpenCV is easier but way overkill for image processing and VLCJ simply just creates a VLC player instance in a panel.
This question is old but I recently ran into the same problem and hope people find this helpful.
I'm currently developing simple video player with VLCJ.
Can anyone please point me some clue about changing audio pitch with it?
is it possible?
I've searching through but cannot find the right keyword, what i need is
some control (method/function) of vlcj (or any) to increase sound so it sounds like
kids voice, or lower down so make like a very old man sound.
Thanks in advance.
NOTE:
still looking on google but found nothing about vlc. what i want is something about the "timbre" as explained at http://www.screamingbee.com/support/morphdoc/MorphDocPitchTimbre.aspx
If you are only interested in playing audio (you don't care about displaying any video at the same time) then vlcj 2.4.0 and later provide a so-called "direct" audio player component.
With this component, your Java application can get direct access to the native audio sample buffer. You can run whatever algorithm you want on those samples, then play out your modified samples via JavaSound or some other API.
There is a sample included in the vlcj distribution that shows how to use this component to play via JavaSound:
https://github.com/caprica/vlcj/tree/vlcj-2.4.1/src/test/java/uk/co/caprica/vlcj/test/directaudio
The example does not show how to change the pitch of the audio, but it does show how to use the direct audio player.
we are designing screen-casting system we found out one library in javascript html2canvas which can provide us image of webpage.now i also the idea of how to convert that series of image into video. now we want to broadcast this video and we want to do this process as live so that user can feels that he is getting real time video from the other user kind of team viewer or skype does.
Now first things is it possible to go by this solution and if than what is best possible way to create video and broadcast it.
does anybody have another solution for it
thank you
I need simple video playback in Java.
Here are my requirements:
PRODUCTION QUALITY
Open and decode video files whose video and audio codecs can be chosen by me. I.E I can pick well behaving codecs.
Be able to play, pause, seekToFrame OR seekToTime and stop playback. Essentially I wish to be able to play segments of a single video file in a non linear fashion. For example I may want to play the segment 20.3sec to 25.6sec, pause for 10 seconds and then play the segment 340.3sec to 350.5sec, etc.
During playback, video and audio must be in sync.
The video must be displayed in a Swing JComponent.
Must be able to use in a commercial product without having to be open source (I.E. LGPL or Comercial is good)
My research has led me to the following solutions:
Use Java Media Framework + Fobs4JMF
http://fobs.sourceforge.net/f4jmf_first.html
I have implemented a quick prototype and this seems to do what I need. I can play a segment of video using:
player.setStopTime(new Time(end));
player.setMediaTime(new Time(start));
player.start();
While Fobs4JMF seems to work, I feel the quality of the code is poor and the project is no longer active. Does anyone know of any products which use Fobs4JMF?
Write a Flash application which plays a video and use JFlashPlayer to bring it into my Java Swing application
Unlike Java, Flash is brilliant at playing video. I could write a small Flash application with the methods:
open(String videoFile),
play(),
pause(),
seek(int duration),
stop()
Then bring it into Java using JFlashPlayer which can call Flash functions from Java.
What I like about this solution is that video playback in Flash should be rock solid. Has anyone used JFlashPlayer to play video in Java?
Write a simple media player on top of Xuggler
Xuggler is an FFMpeg wrapper for Java which seems to be a quite active and high quality project. However, implementing the simple video playback described in the requirements is not trivial (Seeking in particular) but some of the work has been done in the MediaTools MediaViewer which would be the base upon which to build from.
Use FMJ
I have tried to get FMJ to work but have had no sucess so far.
I would appreciate your opinions on my problem.
Can a brother get a shout out for Xuggler?
In my mind, VLCJ is the way forward for this type of thing. I love Xuggler for encoding / transcoding work, but unfortunately it's just so complicated to do simple playback and solve all the sync issues and suchlike - and it does very much feel like reinventing the wheel doing so.
The only thing with VLCJ is that to get it to work reliably with multiple players I've had to resort to out of process players. The framework wasn't the simplest thing in the world to get in place, but when it's there it works beautifully. I'm currently running 3 out of process players in my app side by side with no problems whatsoever.
The other caveat is that the embedded media player won't work with a swing component, just a heavyweight canvas - but that hasn't proven a problem for me at all. If it does, then you can use the direct media player to get a bufferedimage and display that on whatever you choose, but it will eat into your CPU a bit more (though no more than other players that take this approach.)
JavaFX has a number of working video and audio codecs builtin. It's likely to be the solution with the broadest support at the moment.
I've been using jffmpeg in the same way you use FOBS, it works pretty well, although I haven't compared them.
I would also love to see an easy way to interface with native codecs the way that JavaFX does, but there doesn't seem to be real integration between JavaFX and Java.
There has also been some work trying to get the VLC library libvlc into java. I haven't tried it yet and would be interested to hear back from anyone who has.
haven't tried Xuggler (which i'm interested in) but I'm having a good time with VLCJ. The drawback I find in it is only that you have to have VLC installed prior to your application.
I'd recommend using MPV. You can use it in combination with JavaFX quite easily, see this example.
In short, you use a little JNA magic to use the MPV native libaries directly, and then let the video display on a JavaFX stage. If you use a child stage, you can even overlay JavaFX controls on top of the video (with full transparancy support).
VLC (with VLCJ) can be used in a similar fashion, but I find that the MPV solution performs better (faster seek and start times).
I am looking to do develop the following application. How to proceed?
Scan the system for installed webcams and their supported video modes.
Let the user select a cam and a video mode.
Displays a video of the camera.
Starts a frame grabber/processor, it doesn't have to do nothing for now. I want to have the possibility to elaborate frames or at least one frame every x.
Not sure if it's possible but i'd need also a routine to overlay processed frames on the playing video.
Check this post on SO for inspiration.
The JMF framework supports capturing real-time data, audio or video, as detailed in this article
You can also try LTI-Civil
I would recommend you using Webcam Capture project since neither JMF nor LTI-CIVIL are maintained any more. Webcam capture is a cross-platform, open source project hosted on Github. There are plenty of examples, e.g. of how to do things you've asked:
How to enumerate webcams and listen for new devices connected
Display video from camera
Enable grabbing and take snapshot on demand
Unfortunately there is no possibility to overlay image obtained thru Webcam Capture API on the playing video. At least not within the Webcam Capture itself, but you could use Xuggler to do that - it contains example of how this can be done.
Please note that Webcam Capture API can be used on top of the JMF, FMJ, LTI-CIVIL, GStreamer, OpenIMAJ and other.