#!/bin/sh

CAMS=$(ls ./pics)
SCALE="640"

for CAM in $CAMS
do
 ffmpeg -framerate 2 -pattern_type glob -i "./pics/$CAM/$CAM-*.jpg" -c:v libx264 -r 30 \
       -vf "drawtext=fontfile=/usr/share/fonts/truetype/noto/NotoSans-Light.ttf:text='${CAM}':fontcolor=white:fontsize=15:box=1:boxcolor=black@0.5:boxborderw=5:x=(w-text_w)/2:y=(h-text_h)/2" \
       -vf "scale=${SCALE}:-2" ${CAM}_${SCALE}.mp4
done