#! /bin/bash -ex

SRC=${1:-.}
DST=${2:-/var/tmp/spielfilme}

FORMATS="ogg webm mp4"
declare -A FLAGS
FLAGS["ogg"]="-c:v libtheora -c:a libvorbis -q:v 6 -q:a 5"
FLAGS["webm"]="-vcodec libvpx -acodec libvorbis -f webm -aq 5 -ac 2 -qmax 25 -threads 2"
FLAGS["mp4"]="-vcodec libx264 -acodec aac -strict experimental -crf 19"

for f in $(find "$SRC" \( \( -name '.??*' -o -name '*.jpg' \) -prune \) -o -type f -print); do
    for format in ${FORMATS}; do

        t="${f/$SRC/$DST/${format}}"
        t="${t%.*}.${f}"
        if test -s "${t}"; then
	    continue;
        fi
        if ( ! test -s "${t}" ) && ( test -e "$t" ); then
	    rm "$t"
        fi
        test -d "${t%/*}" || mkdir -p "${t%/*}"
        avconv -i "$f" ${FLAGS[$f]} -filter:v yadif "$t"
        if ( ! test -s "${t}" ) && ( test -e "$t" ); then
	    rm "$t"
        fi
    done
done