#!/bin/bash
#script name: make_psp_movie.sh
if [ $# == 0 ]
then
    echo "Use: make_psp_movie video1 video2 video3 ..."
fi
#target="/home/inittab/tmp/`echo $LOGNAME`/pspmovies/MP_ROOT/100MNV01"
target="/usr/local/media/video/pspmovies/MP_ROOT/100MNV01"
mkdir -p "$target"
for m in "$@"
do
    echo "-------------------"
    echo "Start converting $m"
    echo "-------------------"
    output="10001"
    while [ -f "$target/M4V${output}.MP4" ]
    do
        let "output += 1"
    done
    #generate video
    #If "-r 29.97" does NOT work try "-r 14.985"

aspect=$((
  echo scale=4
  mplayer -quiet -vo null -ao null -frames 0 -identify "$m" 2>&1 | grep ^VIDEO: | awk '{print $3}' | sed 's/x/\//' ) | bc)
case "$aspect" in
1.2222|1.2941|1.3333|1.3474|1.3529|1.3629|1.3636|1.4285|1.4666|1.5000)
ratio=4:3
res=320x240
;;
1.7666|1.7777)
ratio=16:9
res=368x208
;;
*)
ratio=4:3
res=320x240
;;
esac

    ffmpeg -i "$m" -f psp -r 29.97 -b 768k -ar 24000 -ab 64k -aspect "${ratio}" -s "${res}"  "${target}/M4V${output}.MP4"
    #generate thumbnail
    ffmpeg -y -i "$m" -f image2 -ss 5 -vframes 1 -s 160x120 -an "${target}/M4V${output}.THM"
    #list the files that were just generated
    ls -l "${target}/M4V${output}.MP4" "${target}/M4V${output}.THM"
done
echo
echo "---------------------------------------------------------------------------"
echo "You will find any newly generated PSP videos in:"
echo "     ${target}"
echo
echo "Please copy them to your PSP's 'MP_ROOT/100MNV01/' folder."
echo
echo "Note: if that folder doesn't already exist, just create the folders first."
echo "---------------------------------------------------------------------------"