All Questions
78
questions
9
votes
4
answers
15k
views
Video Processing Library for Java
I want to extract frames from a video and apply some filters on it such as gabor/hough etc. Which Java library would be perfect for handling all kinds of video encodings? I have been looking at ...
7
votes
1
answer
4k
views
GStreamer Pipeline with multiple UDP sinks (image included)
I am trying to build a conferencing solution with gstreamer-java.
I am stuck with the audio part, because every participant should only hear the others, not himself.
I constructed a pipeline (see ...
5
votes
1
answer
2k
views
Gstreamer Java "No such Gstreamer factory" - why?
I'm trying to run the Gstreamer Java tutorials (https://code.google.com/p/gstreamer-java/wiki/Tutorials). But I run into a "No such Gstreamer factory" error now.
From a hunt around the internet it ...
4
votes
1
answer
4k
views
Gstreamer Tee/Queue multiple pipelining
so I'm using gstreamer for java and I'm trying to playback live video stream and record it at the same time. right now, I could do one at a time, but I'm not sure how to do them both at the same time. ...
4
votes
2
answers
3k
views
Capture images from a gstreamer Pipeline
I have a IP camera that uses the RTSP protocol to transmit images, the following code uses gstreamer to connect, pick up those images and show in Swing (works just right).
What I want to do is pick ...
4
votes
1
answer
2k
views
"Could not load library: gstreamer" while setting up gstreamer in intellij IDEA
I've spent the last couple of hours trying to find an answer to this problem and while I did find some people with a similar problem their solutions didn't work for me.
The steps that I've taken so ...
3
votes
1
answer
24k
views
rtsp streaming on java
can anyone please help me with a tutorial on how to implement a RTSP streaming server in java using gstreamer.
link text
3
votes
1
answer
2k
views
gstreamer fast transcode
EDIT Updated code with solution
I need to transcode amr to mp3, so i wrote a gstreamer pipeline in gstreamer-java. It looks like this:
src ! amrparse ! amrnbdec ! lamemp3enc ! sink
(actually ...
3
votes
2
answers
7k
views
GStreamer dynamically change the filesrc location of a pipeline- No sound
I am currently on working on my university project which involves GStreamer audio streaming.
I have successfully managed to get streaming working between client/server and TCP.
My next task is to ...
3
votes
0
answers
163
views
Wrong colours in videos on JavaFX application (Gluon JavaFX port)
I need to run JavaFX application on Raspberry Pi. Application contains MediaPlayer objects.
Since Oracle's Java for ARM doesn't contain javafx package, I have installed Gluon JavaFX port for ARM. ...
3
votes
1
answer
3k
views
Limiting send rate of gstreamer's udpsink
Is there a way to limit gstreamer's udpsink, if I'm sending out data without demultiplexing it?
I have a pipe that needs to send out the stream unmultiplexed.
filesrc ! tee name=t ! tsdemux ! ...
2
votes
1
answer
2k
views
GStreamer Android Tutorial Build Failed
I'm running into number of problems while trying to run GStreamer Android Tutorials on Windows. I'am new to Android NDK so this could be a really simple issue but I couldn't figure out how to solve it....
2
votes
1
answer
1k
views
Using GStreamer for creating AVI files
So, I was recommended GStreamer to create video files. I was going over their tutorial for creating a video file.
The problems I encountered are:
How do I create an AVI file rather than a YUV ...
2
votes
2
answers
5k
views
GStreamer splitting MP4 file
I am trying to write a simple pipeline to split an mp4 file on the local storage to multiple chunks with the fixed duration I've been trying to use several different options but none seems to work
...
2
votes
1
answer
1k
views
x64 Windows 7 version of GStreamer
Can anyone point me to a build of GStreamer for 64 bit Windows 7? I'm looking for a way to play mkv and avi files in Java and all things point to GStreamer, but they don't build for windows, and ...
2
votes
0
answers
1k
views
how to solve this GStreamer library java.lang.UnsatisfiedLinkError issue?
i'm trying to use the GStreaming library in my android application, it compile and everything seems to be ok, but when i run the app it gives me the following error :
02-28 21:46:41.033 26177-26177/...
2
votes
1
answer
2k
views
USE ANativeWindow_lock return error -22 with android Gstreamer SDK
everyone,
now I am using Android Gstreamer SDK to implement streaming, by modifying http://docs.gstreamer.com/display/GstSDK/Android+tutorial+3%3A+Video this project,
and I want to capture a image ...
2
votes
1
answer
848
views
Gstreamer or VLC? For desktop and mobile platforms?
Is there any cross platform binaries available for Gstreamer to install it via Web start or Jnlp?
Such as VLC seems almost have all platform compatibility but it does not provide Gst and commands ...
2
votes
1
answer
881
views
Java and gstreamer-java initialisation error
I am building a small app which will play streaming audio from the internet in java (mainly internet radio stations). I have decided to use the gstreamer-java library for the sound, which uses JNA.
I ...
1
vote
1
answer
3k
views
GStreamer-Java: RTSP-Source to UDP-Sink
I'm currently working on a project to forward (and later transcode) a RTP-Stream from a IP-Webcam to a SIP-User in a videocall.
I came up with the following gstreamer pipeline:
gst-launch -v ...
1
vote
2
answers
5k
views
gstreamer video streaming
I have executed AudioPlayer.java example posted by open source community link
Audio Player Tutorial
I got the following exception
Exception in thread "main" java.lang.IllegalArgumentException: No ...
1
vote
1
answer
535
views
Using Gstreamer for Android with JNA & gst1-java-core?
Before we start allow me to just say that I know that it is possible to integrate Gstreamer into Android natively using C code as done in the Android Tutorials themselves.
This question is not related ...
1
vote
1
answer
1k
views
HTTP Live Streaming not working with GStreamer
I am trying to create a live stream over HTTP using GStreamer. I used the following command for the HLS sink:
gst-launch-1.0 videotestsrc is-live=true pattern=snow ! x264enc ! mpegtsmux ! hlssink max-...
1
vote
1
answer
2k
views
Gstreamer's AppSrc in java binding api
I'm planning to write some java test utility that generate some images in app's memory, and push them as a source to the gstreamer pipeline, thus generating mjpeg stream. The only example of gstreamer-...
1
vote
1
answer
455
views
Gstreamer run on JavaForm
Assume that we have a GStreamer command such as the following and it runs on the console very well. How I can run this on a specific JFrame? When I run this command on the terminal, it opens a new ...
1
vote
1
answer
2k
views
Java-Processing Issue with GStreamer
I am using processing 3.0 and/or eclipse with the Processing plugin.
I am trying to upload/play a video using processing video library based on GStreamer.
When I run the sketch in both Processing and ...
1
vote
1
answer
1k
views
How to create a relay server with gstreamer?
I know how I can accept a stream from my webcam and display it inside a swing component:
args = Gst.init("VideoTest", args);
pipe = new Pipeline("VideoTest");
final Element videosrc = ...
1
vote
0
answers
389
views
Gstreamer Java udp stream from camera not displaying in JavaFX
I'm trying to receive a UDP stream with Gstreamer in Java, which is sent from a Raspberry PI.
The stream should be displayed in a JavaFX window.
However, there's only a black screen appearing and the ...
1
vote
0
answers
116
views
How can I change my pipeline to stream in Android and reduce the lag?
I'm using gstream to stream with RTSP protocol from my camera connected to a jetson nano to an Android device.
At this moment I can see the camera in vlc with this:
e./test-launch "...
1
vote
0
answers
294
views
unable to build pipeline no element decodebin[Gstreamer]
[Android.mk]
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := tutorial-3
LOCAL_SRC_FILES := tutorial-3.c dummy.cpp
LOCAL_SHARED_LIBRARIES := gstreamer_android
LOCAL_LDLIBS := -...
1
vote
0
answers
839
views
Converting multiple RTP Streams into gRPC Stream
I am receiving multiple RTP streams(g711 ulaw/alaw) which may be coming on TCP or UDP, I want to terminate the RTP and get the raw media from the RTP stream and stream it to a different destination by ...
1
vote
3
answers
311
views
JavaFX video stutter after playing same video over and over for a couple of hours
On Ubuntu 18.04 I have a JavaFX 13 app that plays the same video over and over using javafx.scene.media.MediaPlayer and javafx.scene.media.MediaView. In each iteration it loads the MediaPlayer with ...
1
vote
0
answers
210
views
Setup Gstreamer for NetBeans IDE
I have a problem with setting up gstreamer library for my NetBeans IDE. Everytime I try to compile a Gstreamer example code I get this error:
Exception in thread "main" java.lang....
1
vote
0
answers
447
views
javafx use node in multiple scenes
I am creating program using player based on gstreamer and JavaFX.
From gstreamer I got swing view element (SwingNode). I want to implement full screen functionality. I would like to reuse the same ...
1
vote
1
answer
291
views
How to make H.264 file fast-forwardable in Android application?
I am an intern at company and my 'learning task' is to make Android application in Java, which takes H.264 format videos (at first they will be stored at SD card) and make like a very simple player, ...
1
vote
1
answer
659
views
How to adress one or multiple audio streams that are in one RTPBIN?
I have a client sending 4 streams of audio with gstreamer like this:
gst-launch -v audiotestsrc freq=440 ! audioconvert ! audioresample ! mulawenc ! rtppcmupay ! udpsink host=192.168.0.91 port=5000
...
1
vote
1
answer
1k
views
How to view video from a VC500 Capture Device via gstreamer-java in Windows 7
I'm trying to build a pipeline with gst-launch in Windows 7 that will view a stream from a VC500 Video Capture device (Captures composite video and inputs to computer via USB). I think my biggest ...
0
votes
1
answer
2k
views
RTSP to HLS with audio
I am trying to perform RTSP to HLS conversion using GStreamer for that purposes I created a pipeline that works fine with the video channel, but the audio seems to be lost. Is there a way to include ...
0
votes
1
answer
2k
views
OpenCV and Gstreamer streaming live video
My aim to get video stream from capture card (Blackmagic decklink) to OpenCV and live stream to red5 or any other rtmp server.
So, I tried done with two branch at gstreamer with command is at below ...
0
votes
1
answer
4k
views
Showing live camera streaming window in angularJS
I am working in a Angular and Java project, where I need to show my camera live (camera added using IP) in my web page (developed in angular). I heard G streaming can help me on this but I did not ...
0
votes
3
answers
3k
views
Playing an rtp stream on android published with gstreamer
I'm trying to get a rtp connection between a microphone on a desktop pc and an android smartphone.
I grab the data using gstreamer.
Because of other applications using this microphone at the same ...
0
votes
1
answer
325
views
Send video synchronously to AppSink
I'm using gstreamer-java to send data via UDP through a custom AppSink. Here's how it's effectively setup:
fileSrc ! streamTee ! displayQueue ! tsdemux ! demuxQueue ! (mpeg2dec || h264dec) ! ...
0
votes
1
answer
2k
views
Gstreamer Android HW accelerated H.264 encoding
I'm working on a robot that streams two camera streams using Gstreamer from a Jetson Nano over UDP to an Android device.
At this point, I'm taking one of the streams and trying to encode the video to ...
0
votes
1
answer
3k
views
Get caps from pipeline
I am new to GStreamer and I try to get Caps property from pipeline in Java. If i try in command line this pipeline
gst-launch-0.10 -v --gst-debug-level=2 filesrc location="C:/Dokumenty/Eclipse/...
0
votes
1
answer
638
views
What is the main window of an applet called and how do you refer to it?
I'm trying to use Xoverlay and call setWindowHandle, but I need to give a component. When I do "run as applet" in eclipse, eclipse creates a small window with the appletviewer. I want to know how to ...
0
votes
0
answers
9
views
Display an video flux from libcamera and gstreamer to an Java JFrame
I need your help for an libcamera, gstreamer and java issue.
I trie to display the libcamera video flux from a Pi Cam v3 connected to an Pi Zero 2 W to an Java JFrame on PC to order a rover. Minimal ...
0
votes
0
answers
31
views
While sending EOS to GStreamer Pipeline the live streaming and feed buffer data getting missing/Lost/Deleted
I'm currently facing an issue with my GStreamer setup where I'm attempting to record live feed data for a fixed duration, let's say 10 minutes. However, I've observed that in scenarios with low ...
0
votes
0
answers
67
views
How can I use whip/whep functionality of gstreamer in a java application?
"I am developing a Java application that requires the use of Gstreamer's whepsrc and whipsink functionality from the gst-plugin-webrtchttp. Therefore, I am planning to use JNI wrapper and also ...
0
votes
0
answers
129
views
Gstreamer udpsrc fails on Android
I'm attempting to open an rtp stream sent over udp and encoded as h.264 with gstreamer android. I am able to open said stream on my laptop using gst-launch-1.0 with the following gstreamer pipeline ...
0
votes
0
answers
204
views
How to duplicate frames if appsrc is pushing too slow to keep frame rate up?
I am using Java with GStreamer wrapped by OpenCV. The application does the following:
One GStreamer pipeline, that receives frames from an IP Camera (RTSP stream with 30fps) and outputs OpenCV Mats
&...