Questions tagged [gstreamer]

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gstreamer 1.18 on Windows 10

I want to use gstreamer 1.18 on windows 10 to make a video. I try: gst-launch-1.0 -v dshowvideosrc device_name="Dazzle Video Capture USB Video Device"!d3dvideosink ERROR: pipeline could not ...
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12 views

Creating the onvif compliance camera using the GStreamer Pipeline

I have a camera and I am streaming the video data using the GStreamer. With below pipeline. gst-launch-1.0 -e camerasrc ! video/x-h264,width=1920,height=1080,framerate=30/1 ! h264parse config-interval=...
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23 views

How to increase number of Xv adaptor ports?

The number of xv video ports is to low for my use cases e. g. xvinfo reports: X-Video Extension version 2.2 screen #0 Adaptor #0: "GLAMOR Textured Video" number of ports: 16 port ...
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11 views

Using more bandwidth when sending video in 480p than in 720p with Gstreamer

I'm building an application where I used gstreamer to do the transmission of a video. My pipeline is really simple : I get the video from my application, convert it, encode in h264, build RTP packets, ...
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1answer
857 views

Stream linux destop as fake webcam to virtuabox windows guest

I would like to capture (a part of) my linux desktop (ubuntu 20.04), stream it as a webcam to a windows 10 guest VM running in Virtualbox. I found Using desktop as fake webcam on linux which got me ...
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15 views

how to fix error “Your GStreamer installation is missing a plug-in.” in centos 7?

I know that exist a similar question like (Your GStreamer installation is missing a plug-in), but the answer doesnt work for me. How can I fix this error in centos 7?
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107 views

Access microphone with gphoto2

There is a lot of documentation for using gphoto2 to use a DSRL as a webcam. With those techniques, the system sees the camera as a new video device gphoto2 --stdout --capture-movie | ffmpeg -i - -...
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1answer
158 views

Unable to stream audio over rtp using Gstreamer

I am using the following gstreamer command line to send audio from a QuickTime file to an port/endpoint using RTP. I can successfully send the video from the file to a port, but not the audio. I ...
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150 views

GStreamer define port used for outgoing traffic (rtsp)

I try to get some custom rtsp software running that has an annoying quirk. It cannot negotiate the port on which it will send the video. It will always send the video to the port from which the ...
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1answer
193 views

what is the limitation on max cuda instances for video transcoding?

I have set up Nvidia V100 card on Azure Nc6s_v3 virtual machine. I have set up the latest CUDA driver and SDK. I compiled sample programs from "Video_Codec_SDK_9.0.20" and verified the max parallel ...
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33 views

Gstreamer - losing “last” buffer

I'm using gstreamer with souphttp, demux and appsink. The appsink is attached to demux dynamically on new pad request. The hlsdemux, i use, seems to be dropping "last" buffer as I miss about 0.5 ...
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397 views

Gstreamer - streaming task paused, reason not-negotiated

I am trying to stream video over local network using gstreamer between jetson tx1 and my pc. I made sure that my camera has no problem and my devices are connected via local network. Here is my ...
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1answer
376 views

Streaming .jpg stream over RTP with gstreamer or avconv

I have image folder where is continuosly updating Photo.jpg (1 FPS). I need to be able to stream this photo as a continuous video stream via RTsP so it's viewable with VLC. What would be working ...
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1answer
2k views

How to stream screen to remote computer with gstreamer

I want to stream the screen of my computer to and other using gstreamer and generate an rtsp adresse to use in Opencv. I try few example to stream webcam between computers and it works properly: ...
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1k views

Why does OpenCV+GStreamer lags exactly two seconds behind real time?

I'm trying to capture live feed through an h264 camera on RTSP protocol. On a terminal, the following gst-launch-1.0 command gives almost real-time feed: gst-launch-1.0 playbin uri=rtsp://IP:PORT/...
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230 views

GStreamer plays video with wrong resolution when I use vaapisink in pipeline

I try to play video using gstreamer. There are two possiple output sinks to use: waylandsink and vaapisink. When I play video with waylandsink, everything is fine. When I try to play it with vaapisink,...
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2answers
1k views

What is the preferred GStreamer pipeline to encode a video for youtube?

I want to record a video in order to put it to youtube. What would be the pipeline that I can strap to my stream to get the best quality for youtube (minimize number of reencodings, etc)? I think it ...
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1answer
606 views

Gstreamer to save a video in patches

Do anyone know a gstreamer command to save webcam video in patches based on MB size. I need to record a webcam video and save it as a separate file when it reaches 100mb size. Thanks in advance.
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1answer
1k views

gstreamer using h264 encoding with small video size

I need to record a video using my usb webcam in my linux based pc. I found gstreamer with h264 encoding for lower the cpu percentage. But i am new to gstreamer so i had errors when running some ...
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1answer
247 views

Gstreaming - two web cams over tcp

I'm trying to stream two web cams on a single gstreaming command, I'm able to start a single camera with : gst-launch-1.0 v4l2src device=/dev/video0 ! videoconvert ! videoscale ! video/x-raw,width=...
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1answer
27 views

why call the output port of a element to “src pad” in gstreamer?

I wonder the strange name policy of gstreamer. in a pipeline, the sink pad is actually a input port and the src pad is a output port, but the sink element is the end element, src element is the start ...
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273 views

gstreamer functionality in Python?

I have a python script I want to run that uses gstreamer. the first line in my code is "import gst"...and this creates an error...when I attempt to "pip install gst" within that directory I see the ...
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264 views

OpenCV with Gstreamer installation…possible?

I have some Python code which utilizes OpenCV in a way to use Gstreamer pipelines in lieu of a webcam or video file as input to a 'Videocapture' command...for a simple example: send = cv2....
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1answer
755 views

How open Gstreamer raw file?

I want to capture RAW picture from webcam, But I do not want to use JPG, Because it makes the picture bad and full of noise. I can shoot a RAW video using this code, and also can open the file ...
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1answer
5k views

Save both audio and video to one file using GStreamer from camera and microphone

I need a way to record video from my camera and audio from my mic simultaneously, such that they are saved in one file. Currently, I now how to record video... gst-launch-1.0 -e autovideosrc ! ...
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856 views

Unable to stream RTSP using GStreamer

I am trying to stream RTSP video using GStreamer. I am using test-launch example from gst-rtsp-server. Server: ./test-launch "(videotestsrc ! x264enc ! h264parse ! rtph264pay)" Client: VLC. When ...
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89 views

Can I prioritise one UDP stream over another in linux?

I made a small program in python that produces two UDP streams through Gstreamer framework. One is the main stream, labeled A, that MUST go through on port 3333. The other one is a secondary stream, ...
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1answer
229 views

Is it possible to use mopidy with Gstreamer 1.10? (Sailfish X)

I'm trying to install mopidy on Sailfish OS. However, the only Gstreamer version available is Gstreamer 1.10.4. I've compiled and installed gst-python 1.10 from source, and the Mopidy 2.1.0 with pip....
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1answer
715 views

Gstreamer udp server [closed]

Client 1 $ gstreamer1.0 v4l2src ! ... ! udpsink host=server-ip Server $ gstreamer1.0 udpsrc ! udpsink ???? Client 2 $ gstreamer udpsrc url=udp://server-ip ! ... ! xvimagesink Notes : Client 1, 2 ...
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1answer
2k views

concat mp4 with blank video

I want to concatenate 5 seconds of blank/black video to the end of different videos I download from net. The process I have for doing this is not working. First I use ffprobe to the dimensions of ...
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762 views

ssh start GUI application on remote desktop

I am trying to start a gstreamer instance and display it on a remote centos7 desktop using ssh. I have followed a few posts on SE sites but feel I am now confused as to what is happening and why it ...
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1answer
4k views

Streaming .264 file in Gstreamer 1.0

I'm trying to stream a .264 file. While the direct pipeline without udp streaming plays the video fine, when using udp sink and src, only one frame of video is seen. Direct Pipeline gst-launch-1....
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1answer
1k views

TS Stream Transport Over UDP from .TS files

I would like to transport ts stream (.ts files) over UDP. I have used the below pipeline, gst-launch-1.0 filesrc =location=a.ts ! tsparse ! rtpmp2tpay ! udpsink host="IP" port="port" But, i am ...
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0answers
1k views

Attempting to stream two C920 Logitech Webcams From Fedora using GStreamer to Windows VLC Client

My apologies in advance for violating any etiquette / rules regarding posting in SuperUser. This is my first post. First of all, I am a streaming video amateur -- the solution I have "cobbled" ...
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1answer
1k views

Improve performance desktop recording using gstreamer

How can I improve the performance of a desktop recording using gstreamer with integrated webcam stream? I tried the pipeline below, and it works, but the performance is very bad. Records only a ...
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1answer
70 views

How do I find out the detailed format of an audio file?

I am interested in very detailed information like: content-type (raw, ac3, etc) layout (interleaved/non interleaved) format (F32LE, F32BE, etc) and other properties like those present in the list ...
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1answer
8k views

How can I capture the audio output with GStreamer?

I’d like to capture only the output of a machine using GStreamer. Using the following command: gst-launch-1.0 -v alsasrc ! wavenc ! filesink location="output.wav" I can record the microphone, but ...
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108 views

Screencasting from IMX6 to Ubuntu PC through network

How can we do screen cast from the IMX6 screen to Ubuntu PC through network? I tried the gstreamer commands in ubuntu and the screencasting working perfectly in localhost. I used the following ...
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1answer
8k views

GStreamer Element Dependencies: How to connect playbin to hlssink?

I'm new to GStreamer and I've been trying to build some simple pipelines using gst-launch-1.0. I'm having difficulty figuring out what elements need to go together. For example, I want to stream a ...
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1answer
344 views

Gstreamer unable to link API's , Linker error

I was trying to read the PAT table information , Color Balance interface etc using gstreamer in ubuntu . but the the definitions of the API's used by gstreamer to achieve these are not available ....
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1answer
146 views

Download yum packages on Debian for an offline fedora20 system

I need to download YUM packages (namely java-1.7.0-openjdk, gstreamer-plugins-good, gstreamer-plugins-bad and gstreamer-plugins-ugly) for an offline Fedora 20 machine, and I'm working on a Debian 7. ...
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1answer
562 views

Building gstreamer 0.10 under Win32 via Cygwin

There is no more installer for GStreamer 0.10 available on GStreamer website (only versions 1.x). I really need to work with this version so I tried to build it from source. I found this laconic page ...
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1answer
3k views

Integrate gstreamer with Eclipse IDE

I'm new to gstreamer, currently I'm using Ubuntu 13.10 desktop, I followed the gstreamer site to install the sdk. I wrote some gstreamer based programs using gedit and compiled using terminal. If I ...
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51 views

How to control a Wi-fi voice transmission? (gstreamer) [duplicate]

I am trying to build a telephony transmission through Wi-Fi What i am trying to do is, connect a programmable Wi-Fi Headset( it does not really exist,it is actually a Linux computer) with a cellphone ...
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0answers
2k views

Echo cancel and noise reduction - how to use WebRTC echo cancel engine with VLC, Gstreamer, Mplayer, FFmpeg?

How to use WebRTC echo cancel with VLC, Gstreamer, Mplayer, FFmpeg? e.g: vlc alsa://plughw:0,0 gst-launch-0.10 alsasrc device=hw:0 ! autoaudiosink arecord -D hw:0 -r 44100 -c 2 -f S16_LE | aplay -...
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2answers
3k views

Playing mp3 in quodlibet displays “GStreamer output pipeline could not be initialized” error

I'm running Debian testing x64 with all updates. I install quodlibet 2.4 from the repository and added mp3's to my library. When I play them, however, I receive an output error: GStreamer output ...
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1answer
5k views

Fixing an unmuxed image/jpeg stream from webcam using gstreamer

I made a broken footage using the following pipeline: gst-launch-1.0 v4l2src ! filesink location=encode.mjpeg Somehow gstreamer can still play it back: gst-launch-1.0 filesrc location=encode.mjpeg !...
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1answer
2k views

overlay a sample video with alpha channel over another video in gstreamer

I want to play 2 video files using a GStreamer pipeline on my screen. The first video is without an embedded alpha channel and I want the second video with an embedded alpha channel to be overlaid ...
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1answer
302 views

I cannot play a DVD in Fedora 18 despite a ton of research and terminal time.

Help! I have tried everything I can think of. I've done a ton of research and installed a lot of stuff via terminal and I cannot figure out how to get a DVD to play in Fedora 18. I've installed ...
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1answer
2k views

No sound on Debian 7 stable

I have Debian 7.1. Today I have lost an ability to listening to music. I can hear sound played by speaker-test, mplayer and some applications sound (eg. Skype sound notifications). But I have problems ...