Seek into a RTSP video stream

[Daniel Oancea]

Hello everybody,

I have a Linux machine having the VLC in a VoD setup mode.
Using the java bindings for gstreamer I was able to play the video
streams successfully. However I would like to seek into the video
stream. For example I would like to start to see the stream from a
tracked position (e.g. 0:23) until to the end.

I've tried the following code:

public static void main(String[] args) {
args = Gst.init("VoD player", args);
final PlayBinMediaPlayer player = new
PlayBinMediaPlayer("video",
Executors.newCachedThreadPool());

player.setURI(URI.create(args[0]));

SwingUtilities.invokeLater(new Runnable() {

@Override
public void run() {
// TODO Auto-generated method stub
VideoComponent vComp = new
VideoComponent();

player.setVideoSink(vComp.getElement());
JFrame frame = new JFrame("MyPlayer");
frame.getContentPane().add(vComp,
BorderLayout.CENTER);
frame.setPreferredSize(new
Dimension(400, 500));

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
player.play();

long startNanos = 200000000000L;
long endNanos = 500000000000L;
boolean haveEnd = false;

Pipeline pipe = player.getPipeline();

pipe.getState();

int flags = SeekFlags.FLUSH |
SeekFlags.SEGMENT
| SeekFlags.ACCURATE;

if (haveEnd) {
pipe.seek(1.0, Format.TIME, flags, SeekType.SET,
startNanos,
SeekType.SET, endNanos);
} else {
pipe.seek(1.0, Format.TIME,
flags, SeekType.SET,
startNanos,
SeekType.NONE, -1);
}

pipe.play();
// player.play();

}
});

Gst.main();
}

The problem is that the client establish a RTSP session with VLC
server, starts playing from the beginning and after 3-4 sec is
pausing. If I'm using the code fro playing a file form my local disk,
is seeking correctly.

What I'm doing wrong?

Thank you very much.

Thanks,
-Daniel

[Oancea Daniel]

Hello,

As far as I know, it does.
If I'm using the VLC client, I could seek into the video stream.

-Daniel

On Sat, Jul 10, 2010 at 9:32 AM, Farkas Levente <lfa...@lfarkas.org> wrote:

On 07/09/2010 07:17 PM, Daniel Oancea wrote:
> The problem is that the client establish a RTSP session with VLC
> server, starts playing from the beginning and after 3-4 sec is
> pausing. If I'm using the code fro playing a file form my local disk,
> is seeking correctly.

does vlc rtsp server support seek? only very few rtsp server support
seeking...

--
 Levente                               "Si vis pacem para bellum!"

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[Tal Shalif]

My usual bickering/advice: gstreamer-java is but a Java wrapper. Prove to yourself what you are trying to do is achievable without Java via gst-launch, C/C++ or gst-python before wondering why it does not work with Java.

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