MFarah_Script

#!/bin/sh

# This is a job to be called by cron, that will encode flv and mp4 videos in a set direcctory to preset mp4 and 3gp profiles, then move the source files once completed.


# since it'll be getting called from cron, if there are a lot of videos to do, it's conceivable that an older cron job might still be running when we attempt to spawn a new one.
# That's not a good thing, so first off we'll make sure there are no other copies of it running.
date >> /tmp/date.log
if [ -f /tmp/autoff.pid ]; then
  # seems like it's already running, but let's double check
  if [ "$(ps -p `cat /tmp/autoff.pid` | wc -l)" -gt 1 ]; then
    # yep it's running.
    echo "$0: seems like there's already an autoff process running... PID: `cat /tmp/autoff.pid`"
    exit 0
  fi
else
  # nah it's an old autoff.pid from a run that didn't complete
  rm /tmp/autoff.pid
fi

# store the current PID in /tmp/autoff.pid
echo $$ >/tmp/autoff.pid


# setup the source and destination folders, and where to put the old vids...
sourcedir=/home/zavids/rawvids/source
olddir=/home/zavids/rawvids/zcomplete
donedir=/home/zavids/www/vfiles

# get the list of videos in the source folder
vidstodo=`ls $sourcedir/*.mp4 $sourcedir/*.flv -1`


for vid in `echo $vidstodo`; do

  # get the vid's basename
  basename=${vid%.*}
  basename=${basename##*/}

  echo `date +"%d-%m-%y %T"`": doing video $vid" | tee -a fflog.log
  echo `date +"%d-%m-%y %T"`": -----------------------------------" | tee -a fflog.log
  echo `date +"%d-%m-%y %T"`": Extracting jpeg thumbnail from source video" | tee -a fflog.log

  # create thumbnail
  ffmpeg  -v fatal -i $vid -ss 12 -an -vframes 1 $donedir/$basename.jpg
  mogrify -resize 320x240 $donedir/$basename.jpg

  echo `date +"%d-%m-%y %T"`": starting ffmpeg MP4 encode..." | tee -a fflog.log

  ffmpeg -v fatal -threads 0 -i $vid -vcodec libx264 -level 31 -crf 25 -r 25 -vf "scale=iw*min(320/iw\,240/ih):ih*min(240/iw\,240/ih),pad=320:240:(320-iw)/2:(240-ih)/2" -acodec libvo_aacenc -ac 1 -ab 64k $donedir/$basename.temp.mp4
  mp4exit=$?
  MP4Box -nosys -hint -inter 500 -cat $donedir/$basename.temp.mp4 -cat /home/zavids/rawvids/zarchive/outros/outro.mp4 -new $donedir/$basename.mp4
  rm $donedir/$basename.temp.mp4

  echo `date +"%d-%m-%y %T"`": starting ffmpeg 3GP encode..." | tee -a fflog.log

  ffmpeg -v fatal -threads 0 -i $vid -vcodec h263 -s qcif -r 15 -vb 110k -vf "scale=iw*min(176/iw\,144/ih):ih*min(176/iw\,144/ih),pad=176:144:(176-iw)/2:(144-ih)/2" -acodec libopencore_amrnb -ac 1 -ar 8000 -ab 12.2k $donedir/$basename.temp.3gp
  gpexit=$?
  MP4Box -nosys -hint -inter 500 -cat $donedir/$basename.temp.3gp -cat /home/zavids/rawvids/zarchive/outros/outro.3gp -new $donedir/$basename.3gp
  rm $donedir/$basename.temp.3gp

  if [ $gpexit = 0 ]; then
    if [ $mp4exit = 0 ]; then
      echo `date +"%d-%m-%y %T"`": Both encoding processes for $vid completed successfully." | tee -a fflog.log
      if [ $? = 0 ]; then
        echo `date +"%d-%m-%y %T"`": $vid moved to the done dir successfully" | tee -a fflog.log
      fi
    else
      echo `date +"%d-%m-%y %T"`": 3GP for $vid succeeded, but MP4 failed... ffmpeg error code $mp4exit" | tee -a fflog.log
    fi
  else
    if [ $mp4exit = 0 ]; then
      echo `date +"%d-%m-%y %T"`": MP4 for $vid succeeded, but 3GP failed... ffmpeg error code $gpexit" | tee -a fflog.log
    else
      echo `date +"%d-%m-%y %T"`": Both MP4 and 3GP for $vid failed. Exit codes are $mp4exit and $gpexit respectively" | tee -a fflog.log
    fi
  fi

  # encode processes done, I'll move the source file to the done dir now
  mv $vid $olddir

  echo `date +"%d-%m-%y %T"`": -----------------------------------" | tee -a fflog.log
  echo " " | tee -a fflog.log
  echo " " | tee -a fflog.log
done


if [ -f /tmp/autoff.pid ]; then
rm /tmp/autoff.pid
fi