#!/bin/bash
set -x

_lDIR="$( cd -P "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
export LD_LIBRARY_PATH=`pwd`/../._src/ffmpeg-git/dist/linux64/lib/

# Help script________________________________________________

want_help () {

cat <<EOF
Usage: $0 filename bitrate
EOF
exit 0

}

if  [ -z "$1" ] ;then
    want_help
fi

if  [ -z "$2" ] ;then
    bitrate=320
else
    bitrate=$2
fi

## first pass

../._src/ffmpeg-git/dist/linux64/bin/ffmpeg -i "$1" -y -s 320x240 -r 25 -pass 1 -an -vcodec mpeg4 -vtag XVID -b $bitrate'k' -bf 0 -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 300 -f avi /dev/null

## second pass

 ../._src/ffmpeg-git/dist/linux64/bin/ffmpeg -i "$1" -y -s 320x240 -r 25 -pass 2 -vcodec mpeg4 -vtag XVID -b $bitrate'k' -bf 0 -mbd rd -flags mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300 -acodec libmp3lame -ar 44100 -ab 128k -ac 2 -f avi "$_lDIR/`basename "$1"`.iriverx20.avi"