The smallest video monitoring daemon ever
#!/bin/sh | |
DEVICE=/dev/video0 | |
RESOLUTION="width=1024:height=768" | |
FRAMES_SKIP=3 | |
ROTATE=1 | |
REMOTE_HOST=lvk.cs.msu.su | |
REMOTE_DIR=public_html/webcam | |
INTERVAL=300 | |
WORK_DIR=$(mktemp -d) | |
trap "rm -rf $WORK_DIR;exit" INT QUIT | |
cd $WORK_DIR | |
while true; do | |
mplayer -cache 128 -tv driver=v4l2:$RESOLUTION:device="$DEVICE" -vo jpeg:quality=100 -frames $FRAMES_SKIP tv:// | |
test $ROTATE -ne 1 && cp 0000000${FRAMES_SKIP}.jpg result.jpg || jpegtran -rotate 180 -perfect 0000000${FRAMES_SKIP}.jpg > result.jpg | |
date=$(date +%F-%T) | |
scp result.jpg $REMOTE_HOST:"$REMOTE_DIR"/$date.jpg | |
ssh $REMOTE_HOST "ln -sf $date.jpg $REMOTE_DIR/0.jpg" | |
sleep $INTERVAL | |
done |
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