• Hardware Platform (Jetson / GPU) Jetson Orin Nano 8GB • DeepStream Version 7.1 • JetPack Version (valid for Jetson only) 6.1 • TensorRT Version 10.3 • Camera: Intel RealSense d435i Running v4l2-ctl --list-formats-ext --device=/dev/video4 returns, among the other things, this: ioctl: VIDI…

I fixed it by parsing correctly the the configuration .yml file, and by linking caps_nvvidconvsrc. Thanks for your support!

You can debug with gst-launch-1.0 first, and then rewrite the pipeline as source code Please refer to this FAQ [image] DeepStream SDK FAQ DeepStream SDK 28. [DSx_All_App] How to connect a USB camera in DeepStream? 28.1 Query the device number by the v4l2-ctl tool E.g. …

Hello and thanks for replying Starting from the link you provided, I wrote this command to get a working working pipeline gst-launch-1.0 v4l2src device=/dev/video4 io-mode=2 ! 'video/x-raw,format=YUY2,width=1920,height=1080,framerate=30/1' ! videoconvert ! 'video/x-raw,format=I420' ! nvvideoconv…

videoconvert is useless and reduce performance. Just need to copy the data from cpu to gpu and convert it to nv12, nvvideoconvert is enough Try the following pipeline gst-launch-1.0 v4l2src device=/dev/video4 ! 'video/x-raw,format=YUY2,width=1920,height=1080,framerate=30/1' ! nvvideoconvert !…

I removed videoconvert as you asked, but I have the same exact errors as before. Just to clarify, my current pipeline looks like this: v4l2src -> caps_v4l2src -> nvvidconvsrc -> caps_nvvidconv -> nvstreammux -> ... I set the caps like this GstCaps *caps = gst_caps_from_string("video/x-raw,for…

[image] junshengy: eo/x-raw(memory:NVMM),format=NV12' ! mux.sink_0 nvstreammux name=mux width=1920 height=1080 batch-size=1 batched-push-timeout=33333 live-source=true ! nvvideoconvert ! nv3dsink Does this command line work fine? If it works, I think the camera output is not Z16 format. […

Yes it works correctly, sorry I forgot to mention it in the previous message. It works as well with the resolution 640x480. I changed the resolution in my code in the variablecaps_v4l2src to 640x480 as well, but it results in the same error. I have another camera available, should I use it and see…

[image] f.carmone: I have another camera available, should I use it and see if it makes any difference? You can try other cameras Alternatively, you can use the following simple test program. I am not sure whether the above code can work properly. If gst-launch-1.0 can run correctly, the fo…

It works if I replace "nvstreammux name=mux width=1920 height=1080 batch-size=1 " with "mux.sink_0 nvstreammux name=mux width=1920 height=1080 batch-size=1 " but I would lose the capabilities I need for my task, i.e. being able to send frames via Kafka. And again debugging with GST_DEBUG=4 show…

Ok, I see, this means the problem is not caused by the camera, please try to debug your code The remaining elements do not have the correct link, causing the pipeline to not run properly.

How to add a v4l2 source?

Accelerated Computing Intelligent Video Analytics DeepStream SDK

junshengy January 31, 2025, 4:35pm 3

You can debug with gst-launch-1.0 first, and then rewrite the pipeline as source code

Please refer to this FAQ

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v4l2src unable to connect to /dev/video0 USB Camera - reason not negotiated (-4) DeepStream SDK	3	1657	December 2, 2019

How to add a v4l2 source?

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