Debian: dist-upgrade removes gnome and many other stuff

I am (was) running the Debian Sid and faced a major update problem few days ago. It was weekend and I was just going to upgrade stuff, did sudo apt-get update, then sudo apt-get upgrade. Then I...

Qt Camera on Raspberry Pi 2: Internal data flow error

QML Camera Trying to run Qt 5.5 declarative-camera example on the Raspberry Pi 2 with the 'Raspberry Pi Camera' and getting an error after some delay: CameraBin error: "Internal data flow...

Unable to get Gstreamer1.0 plugins/features

I am having trouble working with gstreamer1.0. gst-launch-1.0 filesrc location=test.mp3 ! mad ! autoaudiosink ERROR: pipeline could not be constructed: no element "filesrc". This is what...

QMediaPlayer doesn't play anything on Ubuntu 16.04 / Qt 5.6

I'm using the official Qt 5.6 SDK on Ubuntu 16.04 and when I try to play an mp3 file I just get: defaultServiceProvider::requestService(): no service found for -...

GStreamer installation is missing a plug-in

I hope that someone can help with this problem, been searching for a solution for the past 2 days. To describe the problem in short: I'm trying to make a simple qt5.7 application that will stream...

cmake kms-elements gstreamer-sctp-1.5

#First i get the source of kms-element from https://github.com/Kurento/kms-elements git clone https://github.com/Kurento/kms-elements.git #Then mkdir build cd build cmake .. #Result package...

Gstreamer plugins not found by gst-inspect-1.0

I'm running Ubuntu 16.04 with Anaconda Python distribution. I installed gstreamer-1.0 libraries using Synaptic. I wanted to test my installation with: gst-inspect-1.0 fakesrc (as suggested in the...

GStreamer x264 on Linux (ARM)

Trying to get streaming work with x264 encoding. I am doing some black magic with stitching two images which is known to work: gst-launch-1.0 -e \ v4l2src device=/dev/video0 ! \ ...

Installation of gstreamer bad plugins and opencv3.3 on Ubuntu 16.04 arm64

I have been working on some video playing/streaming pipelines for Computer Vision work on Nvidia Jetson TX2. It had Ubuntu 16.04 with latest Jetpack. I have already installed opencv 3.3 and to...

WARNING: erroneous pipeline: no element "rtspclientsink"

I have a gstreamer command that requires "rtspclientsink" and the error I get is: WARNING: erroneous pipeline: no element "rtspclientsink" I tried to reinstall gstreamer using the following...

Unable to play video Qt5 multimedia ubuntu 16.04

I am trying to use QMediaPlayer class to play videos, but keep getting this error - `GLib-GObject-WARNING **: cannot register existing type 'GstObject' GLib-CRITICAL **: g_once_init_leave:...

Which Gstreamer in PyQt5?

On Ubuntu 16.04 and 18.04 whenever I'm trying to use QMediaPlayer I'm being prompted with no service. >>> from PyQt5 import QtMultimedia >>> qtm =...

Qt Multimedia: Library 'gstreamer' is not defined

I have problem building QtMultimedia with GStreamer: [email protected]:~/sources/qt/build$ /usr/local/Qt-5.12.1/bin/qmake -r GST_VERSION=1.0...

How to handle interactive apt-get installation with python 3.6 subprocess.Popen() function?

Issue: I wrote the following python 3.6 script using the subprocess.Popen() function to run the linux apt-get command to install debian packages. I encountered a package, ubuntu-restricted-extras,...

gstreamer: No such element or plugin 'v4l2sink'

The problem I am trying to execute a script. Part of it needs to execute v4l2sink. I tried to execute this gst-launch-1.0 videotestsrc ! v4l2sink device=/dev/video1 & mplayer -tv...