Questions tagged [gstreamer]

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zoom / pan variable transform

I have a stream of data points that define zoom and pan over time that I need to apply to a video. I can see that ffmpeg tool has https://ffmpeg.org/ffmpeg-filters.html#zoompan filter. However, it ...
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71 views

Cannot receive multicast RIST stream using RIST protocol, but RTP works

I'm using gstreamer to multicast a RIST stream: gst-launch-1.0 filesrc location=test.mts ! tee name=t ! queue ! typefind ! rtpmp2tpay ! ristsink address=239.255.0.1 port=5004 t. ! queue ! tsdemux ! ...
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1 vote
1 answer
87 views

Add new stream to Gstreamer recording

I currently have a set of streams that I record using GStreamer and an SDP with a similar command as follows gst-launch-1.0 --eos-on-shutdown filesrc location=test.sdp ! sdpdemux timeout=0 name=demux ...
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Configuring Jetson nano for headless and hardware accelerated gstreamer and opengl

How do I run a jetson nano headless but keep hardware acceleration? Specifically, I need hardware accelerated gstreamer and OpenGL. I've seen solutions which use the xf86-video-dummy driver to set up ...
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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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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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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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5 votes
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146 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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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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235 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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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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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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2 votes
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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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1 answer
774 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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1 answer
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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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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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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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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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1 answer
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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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1 answer
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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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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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1 answer
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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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283 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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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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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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6k 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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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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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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1 answer
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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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1 answer
790 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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2 votes
1 answer
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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1 vote
0 answers
817 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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1 answer
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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1 vote
1 answer
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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1 vote
0 answers
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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1 vote
1 answer
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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0 votes
1 answer
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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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5 votes
1 answer
9k 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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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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1 vote
1 answer
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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0 votes
1 answer
379 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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3 votes
1 answer
149 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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0 votes
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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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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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1 vote
0 answers
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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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1 vote
0 answers
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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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4 votes
2 answers
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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1 vote
1 answer
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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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  • 239
3 votes
1 answer
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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  • 239
1 vote
1 answer
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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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