Questions tagged [gstreamer]
A multi-platform multimedia framework with a plugin based architecture.
53
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Route pulseaudio to more than 2 devices
I have a gstreamer pipeline that tee's audio into multiple sinks (devices). I've a bunch of sinks I want to route the audio to but it doesn't seem to work. When I tee the pipeline to max 2 devices, ...
- 103
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65
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Pulseaudio combined sinks resulting in latency & poor audio quality
I want to be able to hear sound from 3 different devices.
I have the following cards.
pactl list cards
Card #0
Name: alsa_card.pci-0000_00_0e.0
Driver: module-alsa-card.c
Owner Module: 1
...
- 103
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39
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Passing video from v4l2loopback to v4l2src (edgetpuvision) using netcat
I am trying to use webcam from a tablet as stream source for TensorFlow Model on Coral Dev Board.
My idea is to pass the stream from the tablet using netcat:
ffmpeg -i /dev/video0 -filter:v fps=30 -f ...
- 131
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27
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Gstreamer issues when playing from USB Stick
I use MPV and Parole as my media players.
I have a NAS Drive on my network with a few old videos on.
I have a USB Stick with the very same videos on.
Some of the videos are .MKV, some are .MP4.
All of ...
- 117
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answers
35
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Gstreamer with Jackd causing audio issues
I have a gstreamer pipeline set up to route the audio to jackaudiosink. I'm using jackd to route audio to multiple devices. It's pretty good in that there's no latency in the audio. But the sound ...
- 103
0
votes
1
answer
362
views
Internal Data Stream Error Reading v4l2 Virtual Cameras with Gstreamer Pipeline
I'm using v4l2loopback to create 2 virtual cameras that I can then stream an mp4 into and simultaneously read from those cameras with a gstreamer pipeline as if the mp4 was the video being recorded by ...
- 113
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1
answer
84
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Why are GStreamer packages always named "gstreamer1-*"?
Why are GStreamer packages always named gstreamer1-*? What is 1? Why not just gtsreamer-*?
- 27
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1
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674
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How do I resolve this GStreamer codec update fault?
I recently installed KUbuntu on a Lenovo Ideapad laptop. It's functioning fine aside from a problem that came up with a recent update—after updating all packages, three remained:
GStreamer Multimedia ...
- 323
0
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1
answer
4k
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Ubuntu gstreamer "Could not open resource for reading and writing"
I'm using gstreamer to get rtsp stream.
I use command: gst-launch-1.0 rtspsrc location='rtsp://user:password@address:554/live/main' latency=100 ! queue ! rtph264depay ! h264parse ! avdec_h264 ! ...
- 143
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1
answer
2k
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Why does rtpbin example from Gstreamer not work?
I am trying to run the rtpbin example an Ubuntu 21.10 VirtualBox VM with GStream 1.18.5.
I set up GStreamer and have been able to run many of the basic and playback tutorials.
I've also read through ...
- 295
2
votes
1
answer
664
views
Got EOS from element "pipeline0" on gst fbdevsink
I'm trying to forward video file to the framebuffer on my device that has no X. I'm using gstreamer with fbdevsink plugin.
When I test it with
gst-launch-1.0 videotestsrc ! fbdevsink
it works ...
- 161
0
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0
answers
496
views
ffplay fails to play certain files
There are certain files that fails to play when I try to play them with ffplay. Here is the error they throw when trying to play,
❯ ffplay /usr/share/lmms/samples/instruments/harpsichord01.ogg
ffplay ...
- 51
1
vote
1
answer
3k
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Mopidy with pipewire-pulse
I run Mopidy as a service for my mpd because of the nice Spotify integration. I've followed the documentation's instructions to use it with pulseaudio by setting
load-module module-native-protocol-tcp ...
0
votes
1
answer
991
views
Soundconverter error encoding to mp3
I am running Ubuntu 20.04 on a Lenovo Thinkpad X1 Tablet. A few years ago I wrote a bash script using soundconverter to transcode some of my music to mp3 files when I need to use a player that only ...
- 101
1
vote
1
answer
595
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how do I set properties of a v4l2loopback device and make them visible to my web browser?
I've created a couple of v4l2loopback devices for use as virtual webcams, and have been able to get Chrome to recognize them via navigator.mediaDevices.enumerateDevices(). I've also been able to ...
- 133
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1
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820
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ROS Camera Calibration GStreamer Error
I have a VM with ROS Noetic installed and I want to run a camera calibration on my USB Webcam. I followed the following guide and for the launcher, I put the following code:
<launch>
<!-- ...
1
vote
1
answer
1k
views
How to convert stream data which come over udp to video device?
I'm trying to share my computer's camera with the remote computer. In order to do this, I wanted to share my own computer's camera with the udp port(stream), take the stream on the remote computer and ...
- 131
1
vote
2
answers
613
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Clementine with GStreamer can't play OGG files
Starting recently, about 2-3 weeks ago, I believe after some update, Clementine stopped playing OGG files. All other formats that I have play without any issues. At the same time VLC can play these ...
- 1,278
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0
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301
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gst effectv and noise reduction
I have a somewhat noisy usb camera and I'm using v4l2loopback and ffmpeg to duplicate /dev/video0
ffmpeg -f video4linux2 -i /dev/video0 -codec copy -f v4l2 /dev/video3 -codec copy -f v4l2 /dev/video4
...
- 11
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1
answer
377
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LibreOffice distorts embedded videos
I'm using LibreOffice Impress on Arch Linux to make a presentation. When I embed a video into my presentation, the video initially plays fine, but gets distorted after a few seconds. The distortion ...
- 1,659
2
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0
answers
2k
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whereis Gstreamer - located in two paths - causing issues
Gstreamer doesn't run as expected when executed from the command line.
It turns out all the plugins I am installing are defaulting to one location while when I'm running gstreamer its opening from ...
- 207
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1
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1k
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Can't install Foxit Reader in Arch linux (`gstreamer0.10` error)
I've got Arch Linux and I can't install Foxit Reader from AUR. It fails when building gstreamer0.10. The source of the error is that it can't find a Python package called giscanner._giscanner.
Here ...
- 529
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1
answer
385
views
Can gstreamer fbdevsink output to Xvfb virtual framebuffer? Which device to use?
I learned recently how to use Xvfb virtual Linux framebuffer:
https://www.raspberrypi.org/forums/viewtopic.php?f=66&t=261264
I want gstreamer fbdevsink output into a virtual framebuffer, but that ...
- 21
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votes
1
answer
273
views
gstreamer and vhs capture: video ok, but sound mute
With this script
#!/bin/sh
videodevice="/dev/video0"
alsadevice="hw:2,0"
gst-launch-1.0 -q v4l2src device="$videodevice" do-timestamp=true norm="PAL" pixel-aspect-ratio=1 \
! video/x-raw,format=...
- 12.9k
0
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1
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1k
views
Gstreamer OMX encoder doesn't accept parameters?
I'm trying to use Gstreamer 1.0 to send a USB webcam feed over RTMP. I have the following working pipeline that uses the OMX h264 encoder on a Raspberry Pi:
gst-launch-1.0 v4l2src device=/dev/video0 !...
- 101
2
votes
1
answer
478
views
What packages are needed for playing live streams of youtube?
I have been trying to play live streams on youtube, but it does not play any at all.
Everything it says its that the browser does not support it (html5).
So what packages are missing in order to ...
- 558
12
votes
1
answer
19k
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How can I stream my desktop/screen to /dev/video1 as a (fake) "webcam" on Linux?
I have two commands, one that lets me record my screen to an AVI video file, and another which lets me stream a video file as a (fake) "webcam". This is really useful in apps that doesn't support ...
- 351
2
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0
answers
259
views
Spice Server Codec problem
I compiled(make) spice server source with option '--enable-gstreamer=0.10.36'.
But As a result of debugging, I've found that 'default_video_codecs' still shows 'spice: mjpeg'.
I want to know what ...
- 31
2
votes
1
answer
899
views
Get video device on embedded Linux SoC
I'm trying to find the camera module device of an IP camera (running Linux), without much success.
My main objective is to find the camera stream, so I can attach an RTSP server.
Update 26/02/2019
...
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0
answers
806
views
How can I get the timestamp from a `rtspsrc` header with gstreamer?
I need to get to the the timestamp from a rtp source. The timestamp is stored in the header:
For now, I can record the stream using the following command,
$ gst-launch-1.0 -e rtspsrc location=rtsp://...
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0
answers
674
views
Rhythmbox doesn't recognize mp3 files
When I try to import my music library in Rhythmbox, it doesn't recognize any of the files as music (all mp3). When I try to play one of the files directly, I get an import error in Rhythmbox that ...
- 171
1
vote
1
answer
1k
views
PyQt5 QMediaPlayer defaultServiceProvider::requestService(): no service found for - "org.qt-project.qt.mediaplayer"
I am using Fedora 28. I'm trying to run this code
from PyQt5.QtCore import QCoreApplication, QUrl
from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer
from PyQt5.QtWidgets import QApplication
...
user172354
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0
answers
1k
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How to install pygst under Debian Stretch while the package python-gst-1.0 does not?
I assume my question is valid also for previous versions of Debian, but not sure. Every web research tells that to install pygst, the package python-gst-1.0 should be installed, but the Debian package ...
- 265
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0
answers
73
views
Is it possible to relabel a video format in a gstreamer pipeline?
What I'm trying to do boils down to this: We have video data in one format, let's say RGBx, but due to bugs/quirks we need to make the next element think it's another format, let's say v210.
The ...
- 3,502
1
vote
1
answer
11k
views
Alsa: get audio from specific Input to specific Output stream for monitoring
I'm currently trying to get Mic-in and Line-in monitored on Headphones port and Line-Out, respectively.
I tried with aplay / arecord even with alsamixer configuration; it doesn’t work.
How can I ...
- 13
1
vote
1
answer
5k
views
What happened to gstreamer-ffmpeg and can I replace it?
While trying to solve an issue about loading MPEG videos in Matlab, I found several suggestions to install the FFmpeg plugin for Gstreamer.
However, I can't find this functionality on Debian 9 [1]. ...
- 1,737
3
votes
1
answer
5k
views
Understanding media-ctl output
I am working with a Dragonboard410c and I am trying to using a gstreamer pipeline to generate an mp4 video from a Logitech C270 USB camera.
For this task I am following the instructions reported here ...
- 767
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vote
1
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384
views
How can I "publish" an audio source for consumption by other programs using ALSA and/or Pulse?
I'd like to create a dynamically named audio source that can then be referenced by other programs on my system. For example something like this:
gst-launch-1.0 audiotestsrc ! alsapubsink name='Test ...
- 1,174
0
votes
1
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89
views
gst123 does not play files in right order when playing back folders/
I have the following problem with the Gstreamer player gst123:
when I'm playing back folders gst123 does not play the files in alphabetical order. When I have my files ordered like this:
01.mp3
02....
- 5,874
1
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0
answers
81
views
Are the gstreamer packages completely open source?
I'm on Fedora 26 and I'd like to be able to play certain video formats which I can only play by installing packages from a non-free repository.
However, I do not want to install any packages that ...
- 917
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1
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3k
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Gstreamer ' The stream is in the wrong format.'
I'm using a Raspberry pi zero with a Bluetooth dongle and I'm trying to play an mp3 file to a Bluetooth speaker. I managed to get them both connected after a lot of trying, this is the full list of ...
- 103
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votes
1
answer
692
views
ssh execute remote script
I've an application on my machine that is working with a remote one. Before I'm able to use this app, I need to run some commands on the remote one. Here for I've created an script named startUpRun.sh....
- 143
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0
answers
713
views
gstreamer loop file naming?
I was able to succesfully generate a hsl stream with gstreamer, with the following code:
gst-launch-1.0 -v \
videotestsrc is-live=true \
! omxh264enc target-bitrate=...
- 287
1
vote
1
answer
892
views
rhel repositories with gstreamer-plugins-ugly
What yum repository provides gstreamer-plugins-ugly (or/and other gstreamer plugins) for Red Hat Linux 6? And do repositories for CentOS and Fedora suit for Red Hat?
Reason of this question is that ...
- 33
1
vote
2
answers
492
views
Unable to install video plugins for fedora 23
I see the following repositories when I do a repolist:
1) google-chrome
2) rpmfusion-nonfree
3) rpmfusion-nonfree-updates-testing
But commands like yum install vlc and others line yum install ...
- 133
3
votes
0
answers
588
views
Streaming realtime video
I'm trying to stream realtime video from gstreamer under Ubuntu to VLC under Windows. Gstreamer is started via script:
v4l2src device=/dev/video0 ! video/x-raw,width=320,height=240,framerate=30/1 ! ...
- 31
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vote
2
answers
6k
views
Is it possible to install both Gstreamer 0.10 and Gstreamer 1.0 at the same time?
I have a computer that runs Debian Stretch which has Gstreamer 1.0 installed. I am trying to run a Processing sketch that uses the Processing video library which in turn relies on Gstreamer 0.10. This ...
- 704
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votes
1
answer
3k
views
Measuring latency in a GStreamer pipeline
I'm using a RTP pipeline to stream video from a camera over local network.
The pipeline is: camera > h264enc > RTP > UDP > receiver_and_display
How can I find out how the latency is composed?
- 173
4
votes
2
answers
7k
views
How to access a security camera and covert it to /dev/video?
I would like to access my security camera that communicates through rtsp feed with an API that only supports a character video kind of entry (I'm new on linux, and I'm not sure if it's called "...
- 267
0
votes
1
answer
1k
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gstreamer dependencies in HandBrake on fedora
I'm running HandBrake on Fedora 23. The "show preview" feature is not able to actually play video, raising two popups: "Missing GStreamer plugin: MPEG-4 AAC Decoder" and "Missing GStreamer plugin: H....
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