#!/bin/bash
#  Converts all video in a directory to DIVx5.0
#  Uses the "mencoder" binary from the "mplayer" package,

SUFFIX=avi          # New filename suffix. 
VALIDSUF=(mpg mpeg mjpeg mv rm rmvb asf mov)  #removed wmv as it does not convert well
element_count=${#VALIDSUF[@]}

#process arguments
case "$1" in
 --help | -h)
  echo "Use encodedivx to encode all video media in a directory to the DIVx5.0 codec format"
  echo
  echo "Usage: encodedivx <directory>"
  echo "will assume current directory if none specified"
  exit 1
   ;;
 */)  #directory argument?
  DIR=$1
  ;;
 *)   #default
  if [ -n "$1" ]   #argument is given but invalid
   then
    echo "Usage: encodedivx <directory>"
    exit 1
   else        #use current DIR if non specified
    DIR=$PWD 
    echo DIR=$PWD
  fi
esac  

echo "Encode all video files in $DIR?: {Y|N}"
read VERIFY

while true  #loop until valid input for $VERIFY
do
 case "$VERIFY" in
  "Y" | "y")
   for file in $DIR/*    #check files in $DIR
   do
    FILENAME=${file%.*}  #break up filename
    FILESUF=${file#*.}
    i=0
    while [ "$i" -lt "$element_count" ]   #check if suffix is valid
    do
     if [ "${VALIDSUF[$i]}" == "$FILESUF" ]  #if valid, encode
     then
      echo
      mencoder $file -ovc lavc -oac lavc -ffourcc DX50 -o $FILENAME.$SUFFIX
     fi
     let "i=$i+1"  #check next suffix
    done
   done
   break
   ;;
  "N" | "n")
   echo "Quiting..."
   exit 1
   ;;
  *)   #invalid input for $VERIFY
   echo "Encode all video files in $DIR?: {Y|N}"
   read VERIFY
 esac
done


exit 0

${file##*.}