Zoneminder export mp4 from images (events)

gistfile1.txt

#/bin/bash

#
# Export ZoneMinder events (images) into MP4 file
# Execute this script inside events/ directory

# directory where MP4 videos should be exported
EXPORT_VIDEO_PATH="/home/user/zoneminder/mp4"

for camera in $(find  -maxdepth 1 -type l |sort); do 
    for day in $(find '$camera/' -mindepth 3 -maxdepth 3 -type d -mtime +1 |sort); do # apenas diretorio criados a mais de um dia atras
#    for day in $(find $camera/ -mindepth 3 -maxdepth 3 -type d |sort); do
        echo "********************************************"
        echo "Camera: ${camera/\.\//}"
        file="$day/images_of_the_day.txt"
        echo "Dia: $day"
        if [ -f "$file" ]
        then
	        echo "Lista de arquivos já existe. IGNORADO."
        else
	        echo -n "Criando lista de imagens."
            find $day/ -name "*capture.jpg" -exec echo "file '`pwd`/{}'" \; | sort > $day/images_of_the_day.txt
            echo "...OK"
        fi

        f="${day/\.\//}"
        videoname=`echo $f|sed 's/\\//-/g'`
        videoname="$videoname.mp4"
#        videoname_full_path="$day/$videoname"

        videoname_full_path="$EXPORT_VIDEO_PATH/$videoname"
        echo $videoname_full_path
        if [ -f "$videoname_full_path" ]
        then
	        echo "Vídeo já criado para este dia. IGNORADO."
        else
	        echo -n "Criando video..."

            ffmpeg -r 4.5 -f concat -safe 0 -i $file $videoname_full_path
            echo "...OK"
        fi

    done
done