#!/bin/bash #export GST_DEBUG=*:5 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/gstreamer-1.0 v4l2-ctl --list-devices > /tmp/.v4l2_list USB_VIDEO=($(awk '/usb/{getline a;print a}' /tmp/.v4l2_list)) echo "Found ${#USB_VIDEO[@]} USB Cameras" rm /tmp/.v4l2_list for i in USB_VIDEO do eval value=\${${i}[@]} for j in $value do echo "Start Preview USB Camera Video Path $j By GStreamer" gst-launch-1.0 v4l2src device="$j" ! image/jpeg! jpegparse ! mppjpegdec ! waylandsink sync=false done done