Camera USB isn't working

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1

Hi! I got an issue when I tried to use my USB camera on Hailo. I’m using a raspberry pi 5, 4gb ram. When I use a video as the input, everything runs ok. But when I use my camera as the input /dev/video1 I get this error below:

Error: gst-stream-error-quark: Internal data stream error. (1), ../libs/gst/base/gstbasesrc.c(3132): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:source:
streaming stopped, reason not-negotiated (-4)
Shutting down... Hit Ctrl-C again to force quit.
Exiting with error...
(venv_hailo_rpi5_examples)
2

Same problem here, but not much help from me Im afraid - total noob on this - would love to know if there is a solution to it

3

Hi @Johan_Aspegren and @Kimberly_Rotman
You can try our PySDK that makes application development easier: Simplifying Edge AI Development with DeGirum PySDK and Hailo

4

thanks! and to be honest I was able to hack around the problem. Sensitive coders are warned :slight_smile:

in the helper file:
hailo_apps_infra/gstreamer_helper_pipelines.py

I just returned the values that seems yo work for my plexgear webcam

def SOURCE_PIPELINE(video_source, width, height):
return f"v4l2src device={video_source} ! image/jpeg, width={width}, height={height}, framerate=25/1 ! jpegdec ! videoconvert ! video/x-raw, format=RGB, width={width}, height={height} ! queue"

Not pretty but it solved the problem for now

Cheers

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