# \#gstreamer **URL:** https://forum.opencv.org/tag/gstreamer/101.md [Latest](https://forum.opencv.org/latest.md) · [Categories](https://forum.opencv.org/categories.md) · [Tags](https://forum.opencv.org/tags.md) --- ## [JPEG parameter struct mismatch: library thinks size is 584, caller expects 720](https://forum.opencv.org/t/jpeg-parameter-struct-mismatch-library-thinks-size-is-584-caller-expects-720/23740)
**Author:** [@Muhammad\_Ahmad\_Masoo](https://forum.opencv.org/u/Muhammad_Ahmad_Masoo)\ **Replies:** 0\ **Last updated:** [August 12, 2025, 10:39am UTC](https://forum.opencv.org/t/jpeg-parameter-struct-mismatch-library-thinks-size-is-584-caller-expects-720/23740 "2025-08-12T10:39:20Z")
I need to use: nvjpeg plugin from GStreamer (requires NVIDIA’s libjpeg) OpenCV (requires standard libjpeg-turbo) When I run both in the same process, I get this error: JPEG parameter struct mismatch: library th… --- ## [Open cv contrib with gs streamer enable support](https://forum.opencv.org/t/open-cv-contrib-with-gs-streamer-enable-support/22900)
**Author:** [@Abdullah\_Khalid](https://forum.opencv.org/u/Abdullah_Khalid)\ **Replies:** 1\ **Last updated:** [July 4, 2025, 7:25am UTC](https://forum.opencv.org/t/open-cv-contrib-with-gs-streamer-enable-support/22900 "2025-07-04T07:25:49Z")
can soneone tell me ehere to get or how to compile open cv gs streamer support over j4012 industrial recomputer. --- ## [Gstreamer Error](https://forum.opencv.org/t/gstreamer-error/22675)
**Author:** [@engineer](https://forum.opencv.org/u/engineer)\ **Replies:** 1\ **Last updated:** [June 24, 2025, 7:15pm UTC](https://forum.opencv.org/t/gstreamer-error/22675 "2025-06-24T19:15:13Z")
Hi. When i run “cv2.getbuildinformation()” in python, gstreamer shows “yes”. But when i run this commandat the below in pycharm,it gives No Module CV2 error gst\_pipeline = ( "udpsrc port=5000 caps=application/x-rtp,… --- ## [Building OpenCV 4.8.0 from source with GStreamer support on Windows for Python Issue](https://forum.opencv.org/t/building-opencv-4-8-0-from-source-with-gstreamer-support-on-windows-for-python-issue/20159)
**Author:** [@stu](https://forum.opencv.org/u/stu)\ **Replies:** 0\ **Last updated:** [February 7, 2025, 9:32pm UTC](https://forum.opencv.org/t/building-opencv-4-8-0-from-source-with-gstreamer-support-on-windows-for-python-issue/20159 "2025-02-07T21:32:44Z")
I am having an issue where I can’t import cv2 even though it seems that I built opencv successfully. The build and installation created a cv2 in my site-packages folder for python and there is a .pyd file that was create… --- ## [Hdmirx -\> kmssink/waylandsink -\> opencv -\> hdmitx](https://forum.opencv.org/t/hdmirx-kmssink-waylandsink-opencv-hdmitx/19877)
**Author:** [@N0tiK](https://forum.opencv.org/u/N0tiK)\ **Replies:** 1\ **Last updated:** [January 26, 2025, 11:51am UTC](https://forum.opencv.org/t/hdmirx-kmssink-waylandsink-opencv-hdmitx/19877 "2025-01-26T11:51:22Z")
HI all Im having issues with a gstreamer pipeline for raw uncompressed video with my rk3588 SBC with HDMIRX support looking to use my SBC to mimic a “monitor” between my main monitor and my main PC to not interfere wit… --- ## [GStreamer Issue with OpenCV in Virtual Environment on Jetson Orin Nano (JetPack 6.1)](https://forum.opencv.org/t/gstreamer-issue-with-opencv-in-virtual-environment-on-jetson-orin-nano-jetpack-6-1/19666)
**Author:** [@philippeAbadie67](https://forum.opencv.org/u/philippeAbadie67)\ **Replies:** 1\ **Last updated:** [January 2, 2025, 6:00pm UTC](https://forum.opencv.org/t/gstreamer-issue-with-opencv-in-virtual-environment-on-jetson-orin-nano-jetpack-6-1/19666 "2025-01-02T18:00:42Z")
Hi everyone, I’m working on a Jetson Orin Nano with JetPack 6.1 and Python 3, and I’ve encountered an issue with OpenCV and GStreamer. My goal is to use OpenCV (cv2) to process video from a CSI2 camera using GStreamer, … --- ## [Opencv 4.10 too slow](https://forum.opencv.org/t/opencv-4-10-too-slow/19522)
**Author:** [@Aly\_Fsv](https://forum.opencv.org/u/Aly_Fsv)\ **Replies:** 2\ **Last updated:** [December 14, 2024, 6:50pm UTC](https://forum.opencv.org/t/opencv-4-10-too-slow/19522 "2024-12-14T18:50:13Z")
I am using the KCF (Kernelized Correlation Filters) tracker, but there is a noticeable delay in the camera feed, even though the CPU usage is reported to be low (around 62% idle). I am working with OpenCV 4.10.0 on a Jet… --- ## [Slow frame read from webcam](https://forum.opencv.org/t/slow-frame-read-from-webcam/6880)
**Author:** [@mars](https://forum.opencv.org/u/mars)\ **Replies:** 10\ **Last updated:** [December 12, 2022, 10:18pm UTC](https://forum.opencv.org/t/slow-frame-read-from-webcam/6880 "2022-12-12T22:18:20Z")
Hi, As per the title, I’m seeing very slow frame reads from webcam. At a resolution at which it can output 120FPS, I’m only getting 20-40FPS using a very simple OpenCV application, while ffmpeg fed directly from the web… --- ## [Is it possible to check for errors/warnings when writing to RTSP server using VideoWriter?](https://forum.opencv.org/t/is-it-possible-to-check-for-errors-warnings-when-writing-to-rtsp-server-using-videowriter/19062)
**Author:** [@VebjornBL](https://forum.opencv.org/u/VebjornBL)\ **Replies:** 0\ **Last updated:** [October 22, 2024, 11:47am UTC](https://forum.opencv.org/t/is-it-possible-to-check-for-errors-warnings-when-writing-to-rtsp-server-using-videowriter/19062 "2024-10-22T11:47:27Z")
I am using opencv with gstreamer backend to send frames to an RTSP server (mediamtx), which works very well for the most part. Here is a simplified version: pipeline = ‘appsrc ! video/x-raw, format=BGR ! queue ! videoco… --- ## [How to RTSP streaming server with Gstreamer](https://forum.opencv.org/t/how-to-rtsp-streaming-server-with-gstreamer/17248)
**Author:** [@juan1](https://forum.opencv.org/u/juan1)\ **Replies:** 2\ **Last updated:** [July 23, 2024, 8:52am UTC](https://forum.opencv.org/t/how-to-rtsp-streaming-server-with-gstreamer/17248 "2024-07-23T08:52:08Z")
Hi, I’m trying to deploy RTSP streming server with OpenCv and Gstreamer. I have follow the instructions of this link to build from source with Gstreamer. I’m trying to do that with a simple example. import os os.add\_d… --- ## [No Gstreamer support in OpenCV4.5.4](https://forum.opencv.org/t/no-gstreamer-support-in-opencv4-5-4/18168)
**Author:** [@Ilia\_Nechaev](https://forum.opencv.org/u/Ilia_Nechaev)\ **Replies:** 1\ **Last updated:** [July 4, 2024, 12:33pm UTC](https://forum.opencv.org/t/no-gstreamer-support-in-opencv4-5-4/18168 "2024-07-04T12:33:18Z")
Hi, I’m trying to use GStreamer in OpenCV. I’ve installed OpenCV with line pip install python3-opencv"==4.5.4.60" (for some reasons I need exactly 4.5.4), but unfortunately in python I receive this output for line print… --- ## [Gst\_sample\_get\_caps: assertion 'GST\_IS\_SAMPLE (sample)' failed but VideoCapture::read() = true?](https://forum.opencv.org/t/gst-sample-get-caps-assertion-gst-is-sample-sample-failed-but-videocapture-read-true/17755)
**Author:** [@chowderhead](https://forum.opencv.org/u/chowderhead)\ **Replies:** 0\ **Last updated:** [May 26, 2024, 5:26pm UTC](https://forum.opencv.org/t/gst-sample-get-caps-assertion-gst-is-sample-sample-failed-but-videocapture-read-true/17755 "2024-05-26T17:26:31Z")
One of my cameras has a problem with certain exposure\_absolute values where it reliably returns the following GST error: GStreamer-CRITICAL \*\*: 07:51:33.280: gst\_sample\_get\_caps: assertion 'GST\_IS\_SAMPLE (sample)' faile… --- ## [GStreamer RTMP audio issue](https://forum.opencv.org/t/gstreamer-rtmp-audio-issue/17696)
**Author:** [@Murari\_G](https://forum.opencv.org/u/Murari_G)\ **Replies:** 2\ **Last updated:** [May 20, 2024, 12:48pm UTC](https://forum.opencv.org/t/gstreamer-rtmp-audio-issue/17696 "2024-05-20T12:48:53Z")
I am writing frame by frame to the VideoWriter Object using the appsrc of gstreamer to stream to the rtmp link alongwith the audio. But I am unable to receive the audio at the rtmp endpoint only video is streaming cv2.V… --- ## [Unresolved External Symbol Error when building OpenCV on Windows with GStreamer](https://forum.opencv.org/t/unresolved-external-symbol-error-when-building-opencv-on-windows-with-gstreamer/17406)
**Author:** [@tech\_dino](https://forum.opencv.org/u/tech_dino)\ **Replies:** 1\ **Last updated:** [April 29, 2024, 11:09am UTC](https://forum.opencv.org/t/unresolved-external-symbol-error-when-building-opencv-on-windows-with-gstreamer/17406 "2024-04-29T11:09:07Z")
I’m trying to build OpenCV 4.9.0 (https://github.com/opencv/opencv/archive/4.9.0.zip) with GStreamer 1.24.2 on Window 10 Home (x64) with Visual Studio 22 Community Edition. For this I’ve installed both runtime and develo… --- ## [Opencv android using using CAP\_MJPEG nor CAP\_GSTREAMER unable to get frames](https://forum.opencv.org/t/opencv-android-using-using-cap-mjpeg-nor-cap-gstreamer-unable-to-get-frames/17452)
**Author:** [@WerkZeug\_SimU](https://forum.opencv.org/u/WerkZeug_SimU)\ **Replies:** 1\ **Last updated:** [April 29, 2024, 10:37am UTC](https://forum.opencv.org/t/opencv-android-using-using-cap-mjpeg-nor-cap-gstreamer-unable-to-get-frames/17452 "2024-04-29T10:37:50Z")
I am trying to capture frames from an esp32-cam set up to my android phone, hoping to be able to do object detection from that esp32-cam’s stream. I know my esp32 is also oputting a MJPEG stream, and that Gstreamer may b… --- ## [I am not able to display and save a video from my Flir hadron camera using Gstreamer command in python3 Opencv](https://forum.opencv.org/t/i-am-not-able-to-display-and-save-a-video-from-my-flir-hadron-camera-using-gstreamer-command-in-python3-opencv/17370)
**Author:** [@ihssane](https://forum.opencv.org/u/ihssane)\ **Replies:** 1\ **Last updated:** [April 29, 2024, 8:50am UTC](https://forum.opencv.org/t/i-am-not-able-to-display-and-save-a-video-from-my-flir-hadron-camera-using-gstreamer-command-in-python3-opencv/17370 "2024-04-29T08:50:55Z")
I’m trying to display and save my Flir Hadron camera videos using gstreamer pipelines in Python 3 OpenCV. I have a perfectly working Gstreamer pipelines that are able to display and save videos with high resolution, but … --- ## [Gstreamer: Losing frames while displaying from the camera](https://forum.opencv.org/t/gstreamer-losing-frames-while-displaying-from-the-camera/17447)
**Author:** [@ihssane](https://forum.opencv.org/u/ihssane)\ **Replies:** 1\ **Last updated:** [April 29, 2024, 8:48am UTC](https://forum.opencv.org/t/gstreamer-losing-frames-while-displaying-from-the-camera/17447 "2024-04-29T08:48:38Z")
i’m wondering if someone could help me, i’m trying to display and save videos from my flir hadron camera ,i’m using gstreamer in python3 opencv and it succefully displays and saves the IR videos from the BOSON, but i’m l… --- ## [How to Filesink and Appsink simultaneously in OpenCV Gstreamer. (Gstreamer pipeline included)](https://forum.opencv.org/t/how-to-filesink-and-appsink-simultaneously-in-opencv-gstreamer-gstreamer-pipeline-included/915)
**Author:** [@Jahwan](https://forum.opencv.org/u/Jahwan)\ **Replies:** 2\ **Last updated:** [April 28, 2024, 2:11pm UTC](https://forum.opencv.org/t/how-to-filesink-and-appsink-simultaneously-in-opencv-gstreamer-gstreamer-pipeline-included/915 "2024-04-28T14:11:59Z")
Hi, I’m developing C++ based multi v4l2 camera application on Jetson AGX Xavier. Current Status \[1 V4L2, 2 V4L2 ... N V4L2 \] \>-----\[App\]-----\> \[Output\] It requires N x cameras’ original videos and one more processed … --- ## [Problem with gstreamer on Raspberry Pi 4](https://forum.opencv.org/t/problem-with-gstreamer-on-raspberry-pi-4/17278)
**Author:** [@Baladier](https://forum.opencv.org/u/Baladier)\ **Replies:** 4\ **Last updated:** [April 13, 2024, 4:02pm UTC](https://forum.opencv.org/t/problem-with-gstreamer-on-raspberry-pi-4/17278 "2024-04-13T16:02:20Z")
Hello, I’m working on a project for my mechatronics engineering coursewhere I need to detect circles in real time using a Raspberry Pi 4 Model B with a Raspberry Pi Rev 1.3 camera. I have configured the entire environmen… --- ## [How to deploy RTSP streaming server with VideoWriter and Gstreamer](https://forum.opencv.org/t/how-to-deploy-rtsp-streaming-server-with-videowriter-and-gstreamer/17230)
**Author:** [@juan1](https://forum.opencv.org/u/juan1)\ **Replies:** 1\ **Last updated:** [April 10, 2024, 3:29pm UTC](https://forum.opencv.org/t/how-to-deploy-rtsp-streaming-server-with-videowriter-and-gstreamer/17230 "2024-04-10T15:29:53Z")
Hi, I’m trying to deploy a RTSP server with OpenCV and VideoWriter in Windows. For doing that I read that I have to rebuild OpenCv from source. I have follow this link to make OpenCv works in VisualStudio. To make … --- ## [Muxing metadata over UDP Stream](https://forum.opencv.org/t/muxing-metadata-over-udp-stream/16889)
**Author:** [@dev250](https://forum.opencv.org/u/dev250)\ **Replies:** 3\ **Last updated:** [March 20, 2024, 9:31am UTC](https://forum.opencv.org/t/muxing-metadata-over-udp-stream/16889 "2024-03-20T09:31:00Z")
Hi, I am working on a project that would send metadata from my drone together with my video. I have a CSI camera connected to JetsonNX, and I was using OpenCV with Gstreamer pipeline until now, based on this post: B… --- ## [cv2.VideoCapture(udp\_str,cv2.CAP\_GSTREAMER) is not working](https://forum.opencv.org/t/cv2-videocapture-udp-str-cv2-cap-gstreamer-is-not-working/16725)
**Author:** [@1615510548](https://forum.opencv.org/u/1615510548)\ **Replies:** 3\ **Last updated:** [March 8, 2024, 6:19am UTC](https://forum.opencv.org/t/cv2-videocapture-udp-str-cv2-cap-gstreamer-is-not-working/16725 "2024-03-08T06:19:42Z")
MY CODE test\_src is working ,but other str is not working,and have the same error log the udp pipeline can recive by use commandline and softwore QGC import cv2 print(cv2.getBuildInformation()) # GStreamer pipeline … --- ## [Reading video stream using gstreamer through udpsrc](https://forum.opencv.org/t/reading-video-stream-using-gstreamer-through-udpsrc/8401)
**Author:** [@KTBM](https://forum.opencv.org/u/KTBM)\ **Replies:** 1\ **Last updated:** [March 8, 2024, 3:01am UTC](https://forum.opencv.org/t/reading-video-stream-using-gstreamer-through-udpsrc/8401 "2024-03-08T03:01:20Z")
I have been struggling for a while now to read basic UDP RPI stream using gstreamer and opencv, and i am hoping i’ll be able to find a solution in this forum which i enjoy so much. My architecture: my need: to send rt… --- ## [Capturing a stream from raspberry via Gstreamer](https://forum.opencv.org/t/capturing-a-stream-from-raspberry-via-gstreamer/14159)
**Author:** [@hetrzer](https://forum.opencv.org/u/hetrzer)\ **Replies:** 1\ **Last updated:** [March 7, 2024, 3:46am UTC](https://forum.opencv.org/t/capturing-a-stream-from-raspberry-via-gstreamer/14159 "2024-03-07T03:46:06Z")
I am trying to capture a vide stream coming from a rapberry zero. I can stream the video via gstreamer using below command on terminal. gst-launch-1.0 -v v4l2src device=/dev/video0 num-buffers=-1 ! video/x-raw, width=64… --- ## ["I cannot display the video stream I created with Gstreamer on the screen using OpenCV](https://forum.opencv.org/t/i-cannot-display-the-video-stream-i-created-with-gstreamer-on-the-screen-using-opencv/16115)
**Author:** [@ziyaelri](https://forum.opencv.org/u/ziyaelri)\ **Replies:** 4\ **Last updated:** [January 24, 2024, 6:00am UTC](https://forum.opencv.org/t/i-cannot-display-the-video-stream-i-created-with-gstreamer-on-the-screen-using-opencv/16115 "2024-01-24T06:00:23Z")
Hello, I am using the Jetson Nano Developer Kit and an imx219-77 camera. I want to process the video stream created with Gstreamer using OpenCV to implement an object detection/tracking application. I have created the Gs… --- ## [VideoCapture::open() blocks when using CAP\_GSTREAMER](https://forum.opencv.org/t/videocapture-open-blocks-when-using-cap-gstreamer/10633)
**Author:** [@Wilfred\_Varma](https://forum.opencv.org/u/Wilfred_Varma)\ **Replies:** 2\ **Last updated:** [January 16, 2024, 8:15am UTC](https://forum.opencv.org/t/videocapture-open-blocks-when-using-cap-gstreamer/10633 "2024-01-16T08:15:45Z")
Hi, I am currently facing an issue with VideoCapture::open() method when using CAP\_GSTREAMER as a receiver. The VideoCapture::open() method blocks until something is received thus blocking my whole application. I did … --- ## [Trouble building OpenCV from source with Gstreamer and more trouble installing from Visual Studio](https://forum.opencv.org/t/trouble-building-opencv-from-source-with-gstreamer-and-more-trouble-installing-from-visual-studio/16050)
**Author:** [@lcumbridge](https://forum.opencv.org/u/lcumbridge)\ **Replies:** 9\ **Last updated:** [January 8, 2024, 2:25pm UTC](https://forum.opencv.org/t/trouble-building-opencv-from-source-with-gstreamer-and-more-trouble-installing-from-visual-studio/16050 "2024-01-08T14:25:14Z")
Two days into trying every combination of steps I can muster. I am attempting to build OpenCV 4.9 in Windows to include Gstreamer functionality. I set WITH\_GSTREAMER Selecting Windows SDK version 10.0.22621.0 to target … --- ## [Failing to launch a VideoCapture](https://forum.opencv.org/t/failing-to-launch-a-videocapture/15876)
**Author:** [@joemost](https://forum.opencv.org/u/joemost)\ **Replies:** 1\ **Last updated:** [December 16, 2023, 7:30pm UTC](https://forum.opencv.org/t/failing-to-launch-a-videocapture/15876 "2023-12-16T19:30:08Z")
I am noticing a failure to open a video capture using openCV and gstreamer. I am using openCv 4.6.0. I can’t seem to open a pipeline on a Debian based system. It seems to work fine with mannually launching it wiht a gst-… --- ## [Couldn't open my jetson tx2 nx camera with opencv version 3.2.0](https://forum.opencv.org/t/couldnt-open-my-jetson-tx2-nx-camera-with-opencv-version-3-2-0/15609)
**Author:** [@thrinisty](https://forum.opencv.org/u/thrinisty)\ **Replies:** 3\ **Last updated:** [November 22, 2023, 7:35pm UTC](https://forum.opencv.org/t/couldnt-open-my-jetson-tx2-nx-camera-with-opencv-version-3-2-0/15609 "2023-11-22T19:35:41Z")
Hello ! I’m new here,I’m learning openCV at this time,but I’m having trouble calling the camera on tx2. //This is what I wrote down and couldn’t activate my camera properly I’m really in over my head right now, and … --- ## [Facial Detection+Recognition-Jetson Nano-OpenCV](https://forum.opencv.org/t/facial-detection-recognition-jetson-nano-opencv/15054)
**Author:** [@bwajster](https://forum.opencv.org/u/bwajster)\ **Replies:** 4\ **Last updated:** [November 8, 2023, 11:18am UTC](https://forum.opencv.org/t/facial-detection-recognition-jetson-nano-opencv/15054 "2023-11-08T11:18:11Z")
For a Facial detection+recognition project (being implemented on the Jetson nano) using OpenCV, what is the best achievable output video frame rate? Is it possible to get frame rates around 25-30 fps using OpenCV & DLib … [Next page](https://forum.opencv.org/tag/gstreamer/101.md?match_all_tags=true&page=1&tags%5B%5D=gstreamer)