snapshot (252B)
1 #!/usr/bin/env bash 2 3 device="/dev/video0" 4 if [[ $1 != "" ]]; then 5 device="/dev/video$1" 6 fi 7 8 ffmpeg -f video4linux2 \ 9 -video_size "1920x1280" \ 10 -i "$device" \ 11 -frames:v 1 \ 12 -strftime 1 "${HOSTNAME}_%Y-%m-%dT%H-%M-%S%z.jpg"