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- #!/bin/bash
- # Bachir Soussi Chiadmi 06/2016
- # https://trac.ffmpeg.org/wiki/Create%20a%20video%20slideshow%20from%20images
- # needs ffmep and exiftool
- function convert {
- now=$(date +"%Y-%m-%d--%T")
- echo "Timelaps conversion | $now"
- mkdir ~/hehe-rover/www/tmp_videos
- mkdir ~/hehe-rover/www/tmp_metadata
- mkdir ~/hehe-rover/www/tmp_pictures
- rm -f tmp_pictures/*
- x=1
- for i in public_html/pictures/*.jpg; do
- counter=$(printf %03d $x)
- ln "$i" tmp_pictures/img"$counter".jpg
- x=$(($x+1))
- done
- pf=12
- vf=24
- echo "pictframerate:$pf, videoframerate=$vf"
- echo 'Video conversion'
- echo "creating raw timelaps"
- ffmpeg -y \
- -framerate $pf \
- -i tmp_pictures/img%03d.jpg \
- -r $vf -pix_fmt yuv420p -vcodec libx264 \
- tmp_videos/timelaps-raw.mp4
- echo "optimizing responsive videos"
- ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=1920:-1, crop=in_w:1080" tmp_videos/timelaps-1080p.mp4
- ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=1280:-1, crop=in_w:720" tmp_videos/timelaps-720p.mp4
- ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=720:-1, crop=in_w:480" tmp_videos/timelaps-480p.mp4
- ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=640:-1, crop=in_w:340" tmp_videos/timelaps-360p.mp4
- ffmpeg -y -i tmp_videos/timelaps-raw.mp4 -vf "scale=360:-1, crop=in_w:240" tmp_videos/timelaps-240p.mp4
- echo "updating production videos"
- rsync -r tmp_videos/ public_html/videos/
- echo "metadata export"
- f=0
- echo -e '{' > tmp_metadata/frames.json
- echo -e '\t"frames":[' >> tmp_metadata/frames.json
- for pict in public_html/pictures/*.jpg; do
- # SRC
- src="${pict/public_html\/pictures\//}"
- # TIME
- # time="${pict/pictures\/hehe-/}"
- # time="${time/.jpg/}"
- time=`exiftool 2>/dev/null -S --DateTimeOriginal -p '$DateTimeOriginal' -d %Y/%m/%d-%T "$pict"`
- # GPS
- gps=`exiftool 2>/dev/null -n -p '$GPSLatitude,$GPSLongitude' $pict`
- # FRAME
- frame=$(((60/$vf)*$f))
- echo -e "\t\t{\"src\":\"$src\", \"time\":\"$time\", \"gps\":\"$gps\", \"frame\":\"$frame\"}," >> tmp_metadata/frames.json
- f=$(($f+1))
- done
- echo -e "\t]" >> tmp_metadata/frames.json
- echo -e "}" >> tmp_metadata/frames.json
- rsync -r tmp_metadata/ public_html/metadata/
- }
- day=$(date +"%Y-%m-%d")
- logfile="logs/convert-$day.log"
- touch $logfile
- convert | tee -a $logfile
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