#!/bin/bash
#
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#       Copyleft 2007 wishmechaos
 
#        Version 0.1, 21-oct-07
 
### Defaults
 
# Frames per second (15-20)
fps=20
# Two pass encoding, takes longer, better quality
twopass=no
# Video bitrate
vbitrate=394
# Audio bitrate
abitrate=96
 
### End defaults
 
show_help() {
    echo "Usage: `basename "$0"` [-h(elp)] [-c(rop)] [-p (two-pass)] [-f(ps) number]
    [-v(ideo bitrate) number] [-a(udio bitrate) number] file1.avi [file2.avi...]
    Subtitles are automatically loaded if their filename is the same as the movie file"
    exit 1
}
 
# find subtitles with same filename
findsubs() {
    for possiblefile in $filename*; do
        echo " $possiblefile is a subtitle candidate"
        case $possiblefile in
            *.sub) echo " Found $possiblefile"; sub="$possiblefile";;
            *.srt) echo " Found $possiblefile"; sub="$possiblefile";;
        esac
    done
    if [[ $sub != "" ]]; then
        echo " Using $sub"
        sub="-sub $sub -subfont-text-scale 4 -subfont-outline 3 " # 5 is too large
    fi
}
 
convert() {
    tput setaf 0
    mencoder "$moviefile" -idx -noodml -ofps $fps -vf $vf -ovc lavc -ffourcc XVID -lavcopts "$vpass"vcodec=mpeg4:vbitrate=$vbitrate:vmax_b_frames=0:vhq -sws 9 -oac mp3lame -lameopts cbr:mode=2:br=$abitrate -af resample=44100 -srate 44100 $sub-o "$filename.meizu.avi"
    if [[ "$twopass" == "yes" ]]; then
        echo frapitas
        mencoder "$moviefile" -idx -noodml -ofps $fps -vf $vf -ovc lavc -ffourcc XVID -lavcopts vpass=2:vcodec=mpeg4:vbitrate=$vbitrate:vmax_b_frames=0:vhq -sws 9 -oac mp3lame -lameopts cbr:mode=2:br=$abitrate -af resample=44100 -srate 44100 $sub -o "$filename.meizu.avi"
        rm divx2pass.log
    fi
    tput setaf 2
    echo " Finished converting $moviefile"
}
 
cleanUp() {
    tput setaf 0
    rm "$filename.meizu.avi"
    rm divx2pass.log
    exit 1
}
trap cleanUp INT
 
# If there're no arguments
if [ $# = 0 ]; then show_help; fi
 
# Parse arguments
x=1         # Avoids an error if we get no options at all.
while getopts "hcpf:" opt; do
    case "$opt" in
        h|\?) show_help;;
        c) crop="yes";;
        p) twopass="yes";;
        f) fps="$OPTARG";;
        a) abitrate="$OPTARG";;
    esac
    x=$OPTIND
done
shift $((x-1))
 
if [[ "$crop" == "yes" ]]; then
    vf="scale=427:240,expand=:240:::1,crop=320:240,rotate=1"
else
    vf="scale=320:-2,expand=:240:::1,crop=320:240,rotate=1"
fi
 
if [[ "$twopass" == "yes" ]]; then
    vpass="vpass=1:"
fi
 
for moviefile in $@; do
    if [[ -f "$moviefile" ]]; then
        tput setaf 2            # color!
        echo " Moviefile is $moviefile"
        extension=".${moviefile##*.}"
        echo " Extension is $extension"
        filename="`basename $moviefile $extension`"
        echo " Filename is therefore $filename"
        # ugly way to do it, works though.
        if [[ $moviefile != "${moviefile%/*}" ]]; then cd "${moviefile%/*}"; fi
        findsubs
        echo " Converting $moviefile"
        convert
    else
        echo " $moviefile doesn't exist"
    fi
done
 
tput setaf 0