timelaps video and data to json sh script

www/.gitignore

@@ -1 +1,4 @@
-node_modules
+public_html/node_modules
+public_html/pictures
+public_html/videos
+logs

www/pict-converter.sh

@@ -1,4 +1,67 @@
 #!/bin/sh
+# 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 | $now"
+
+  pictframerate=12
+  videoframerate=24
+
+  echo "pictframerate:$pictframerate, videoframerate=$videoframerate"
+
+  # convertVideo $pictframerate $videoframerate
+  exportData $pictframerate $videoframerate
+}
 
 
-ffmpeg -r 6 -i pictures/hehe-%04d-%04d.jpg -an -vcodec copy timelaps.avi
+function convertVideo(){
+  echo 'Video conversion'
+  pf=$1
+  vf=$2
+  ffmpeg -y \
+    -framerate $pf \
+    -pattern_type glob -i 'public_html/pictures/*.jpg' \
+    -r $vf -pix_fmt yuv420p -c:v libx264 \
+    videos/timelaps-raw.mp4
+
+  ffmpeg -y -i public_html/videos/timelaps-raw.mp4 -vf "scale=1920:-1, crop=in_w:1080" videos/timelaps-1080p.mp4
+  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=1280:-1, crop=in_w:720" videos/timelaps-720p.mp4
+  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=720:-1, crop=in_w:480" videos/timelaps-480p.mp4
+  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=640:-1, crop=in_w:340" videos/timelaps-360p.mp4
+  ffmpeg -y -i videos/timelaps-raw.mp4 -vf "scale=360:-1, crop=in_w:240" videos/timelaps-240p.mp4
+}
+
+function exportData(){
+  echo "metadata export"
+  pf=$1
+  vf=$2
+  f=0
+
+  echo -e "{" > metadata/frames.json
+  echo -e '\t"frames":[' >> metadata/frames.json
+  for pict in pictures/*.jpg; do
+    # TIME
+    # time="${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{\"pict\":\"$pict\", \"time\":\"$time\", \"gps\":\"$gps\", \"frame\":\"$frame\"}," >> metadata/frames.json
+    f=$(($f+1))
+  done
+
+  echo -e "\t]" >> metadata/frames.json
+  echo -e "}" >> metadata/frames.json
+
+}
+
+day=$(date +"%Y-%m-%d")
+logfile="logs/convert-$day.log"
+touch $logfile
+convert | tee -a $logfile