Camera path is not configured correctly,

See original GitHub issue

Hello, I’ve installed Howdy on my Manjaro today. It was bit unconventional way as I couldn’t used the AUR version (it was outdated). Anyway I used PKGBUILD from here https://github.com/boltgolt/howdy/blob/22891a1a1b5ffc8a6311199141a85fd3aa00df0d/archlinux/howdy/PKGBUILD. After adding missing dependency the installation worked, but now I can’t use it. When I run sudo howdy test it gives me following error,

[ WARN:0] global /build/opencv/src/opencv-4.1.2/modules/videoio/src/cap_gstreamer.cpp (711) open OpenCV | GStreamer warning: Error opening bin: no element “none” [ WARN:0] global /build/opencv/src/opencv-4.1.2/modules/videoio/src/cap_gstreamer.cpp (480) isPipelinePlaying OpenCV | GStreamer warning: GStreamer: pipeline have not been created [ERROR:0] global /build/opencv/src/opencv-4.1.2/modules/videoio/src/cap.cpp (116) open VIDEOIO(CV_IMAGES): raised OpenCV exception:

OpenCV(4.1.2) /build/opencv/src/opencv-4.1.2/modules/videoio/src/cap_images.cpp:253: error: (-5:Bad argument) CAP_IMAGES: can’t find starting number (in the name of file): none in function ‘icvExtractPattern’

Opening a window with a test feed

Press ctrl+C in this terminal to quit

Click on the image to enable or disable slow mode

QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to ‘/tmp/runtime-root’

Unknown camera, please check your ‘device_path’ config value.

Traceback (most recent call last): File “/usr/bin/howdy”, line 101, in <module> import cli.test File “/usr/lib/security/howdy/cli/test.py”, line 117, in <module> frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) cv2.error: OpenCV(4.1.2) /build/opencv/src/opencv-4.1.2/modules/imgproc/src/color.cpp:182: error: (-215:Assertion failed) !_src.empty() in function ‘cvtColor’

I’ve searched for similar issues already, and my issue has not been reported yet.

My media UID is: /dev/vedio0 My WebCam is: HP HD WebCam

Linux distribution (if applicable): Manjaro KDE based on Arch Linux

Howdy version: 2.5.1

I’d really appreciate you help on this. Thank you.

Issue Analytics

State:
Created 4 years ago
Comments:48 (4 by maintainers)

Top GitHub Comments

6reactions

sobuj53commented, Nov 14, 2019

Ok I just set my device_path = /dev/vedio0 and now it’s working. Thanks. But really wish there is a easier way to install it in Manjaro. Thank you for everything

4reactions

ajay139commented, Jun 29, 2020

Yes it work for me too after changing the device path to /dev/video0 But I would like suggest to install v4l-utils before installing howdy so that we could identify the camera device path by performing v4l2-ctl --list-devices

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