Johannes Rebling r0oland

Using GigE cam as webcam for Zoom/Skype/Teams

TL;DR: Creates a Gstreamer pipeline to read camera frames from a GigE camera, using Aravis library, and publish them as V4l2 camera source, using V4l2loopback, that can be read by video conferencing programs like Zoom/Skype/Teams.

gst-launch-1.0 aravissrc blocksize=5013504 h-binning=1 v-binning=1 ! video/x-bayer,format=rggb,framerate=100/5,width=2448,height=2048 ! bayer2rgb ! video/x-raw,format=RGBx ! videoconvert ! video/x-raw,format=YUY2 !  aspectratiocrop aspect-ratio=16/9 ! videoscale ! video/x-raw,width=1280,height=720 ! queue ! v4l2sink device=/dev/video0

The Basics

Using GigE cam as webcam for Zoom/Skype/Teams

TL;DR: Creates a Gstreamer pipeline to read camera frames from a GigE camera, using Aravis library, and publish them as V4l2 camera source, using V4l2loopback, that can be read by video conferencing programs like Zoom/Skype/Teams.

gst-launch-1.0 aravissrc blocksize=5013504 h-binning=1 v-binning=1 ! video/x-bayer,format=rggb,framerate=100/5,width=2448,height=2048 ! bayer2rgb ! video/x-raw,format=RGBx ! videoconvert ! video/x-raw,format=YUY2 !  aspectratiocrop aspect-ratio=16/9 ! videoscale ! video/x-raw,width=1280,height=720 ! queue ! v4l2sink device=/dev/video0

The Basics

ssh-keygen -t rsa -b 4096 -f $env:USERPROFILE\.ssh\id_rsa -C "[email protected]"

type $env:USERPROFILE\.ssh\id_rsa.pub | ssh [email protected] "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys && chmod 600 ~/.ssh/authorized_keys"

Conda Cheat Sheet

fix issues with powershell and conda 24.x
- conda install -n base -c defaults conda=25.1.1
Create a new environment:
- conda create --name myenv python=3.8

	winget install -e --id Git.Git;
	winget install -e --id Microsoft.PowerShell.Preview;
	winget install -e --id Atlassian.Sourcetree;
	winget install -e --id LLVM.LLVM;
	winget install -e --id Microsoft.VisualStudioCode.Insiders;
	winget install -e --id Microsoft.WindowsTerminal

	# pretty output on command line
	git log --since='1 month ago' --format='%Cgreen%ci%Creset %s%Creset' --no-merges

	# more details
	git log --since='1 month ago' --format='%Cgreen%ci%Creset %s%Creset' --no-merges --shortstat

	# even more details
	git log --since='1 month ago' --format='%Cgreen%ci%Creset %s%Creset' --no-merges --stat

	# output to summary file

	/**
	* @author Johannes Rebling ([email protected])
	* @brief
	* @date
	*
	* @copyright ASMPT GmbH & Co. KG, SMT R&D 34 - 2024
	*
	*/

	#ifndef _XXX_H

	# see https://matplotlib.org/stable/gallery/subplots_axes_and_figures/mosaic.html#sphx-glr-gallery-subplots-axes-and-figures-mosaic-py

	DPI = 100
	Y_HEIGHT = 800
	X_WIDTH = 1000

	fig = plt.figure(figsize=(X_WIDTH/DPI, Y_HEIGHT/DPI), dpi=DPI)
	axDict = fig.subplot_mosaic(
	[
	["a", "b"],

	serach: /\(.?)\*/
	replace: //$1

	%reload_ext autoreload
	%autoreload 2