soundpostmerge.sh

#!/bin/bash
#use by running it. no options

shopt -s globstar
shopt -s nullglob

targetdir="./soundpostsmerged/"
mkdir -p "$targetdir"

function merge {
    catbox=$(printf '%b' "${1//%/\\x}" | sed 's/.*\[sound=\(.*\)\].*/\1/')
    audio=$(basename $catbox)
    audiotype=${audio##*.}
    video=$(basename "$1" | sed 's/\(.*\)\[sound=.*\]\(.*\)/\1\2/')
    videoname=${video%.*}
    videotype=${video##*.}


    if [[ $videoname == "" ]]; then
        echo "no video name, assigning soundpost link as name"
        noname=1
        videoname=$(basename "${1%.*}")
        video="${videoname}.${videotype}"
    fi

    if [ -f "${videoname}.webm" ]; then
        echo "file $video already exists. Skipping..."
        return
    fi

    if [[ $videotype == "gif" ]]; then
        echo "skipped: $1"
        gifskip="$gifskip\nskipped: $1"
        return
    fi

    if [[ $videotype == "mp4" ]]; then
        echo "skipped: $1"
        gifskip="$gifskip\nskipped: $1"
        return
    fi

    echo
    echo ===[$2 out of $3]====================
    if [[ $noname -eq 1 ]]; then echo "no video name, assigning soundpost link as name"; fi
    echo -e "input:\t$1"
    echo -e "catbox:\t$catbox"
    echo -e "audio:\t$audio"
    echo -e "audiotype:\t$audiotype"
    echo -e "video:\t$video"
    echo -e "videotype:\t$videotype"
    echo =======================================
    echo

    audiotemp="$(mktemp --suffix=".$audiotype")"

    wget -q $catbox -O "$audiotemp" &> /dev/null

    if [[ $videotype == "webm" ]]; then
        compatibletypes=("opus" "ogg")
        if [[ ${compatibletypes[@]} =~ $audiotype ]]; then
            ffmpeg -loglevel error -i "$1" -i "$audiotemp" -c:v copy -c:a copy "$video"
        else
            ffmpeg -loglevel error -i "$1" -i "$audiotemp" -c:v copy -c:a libvorbis "$video"
        fi
    fi

    imagetypes=("jpeg" "jpg" "png")
    if [[ ${imagetypes[@]} =~ $videotype ]]; then
        compatibletypes=("opus" "ogg")
        if [[ ${compatibletypes[@]} =~ $audiotype ]]; then
            ffmpeg -loglevel error -r 1 -loop 1 -i "$1" -i "$audiotemp" -c:a copy -r 1 -shortest "${videoname}.webm"
        else
            ffmpeg -loglevel error -r 1 -loop 1 -i "$1" -i "$audiotemp" -c:a libvorbis -r 1 -shortest "${videoname}.webm"
        fi
    fi

    #if [[ $videotype == "gif" ]]; then
        #compatibletypes=("opus" "ogg")
        #if [[ ${compatibletypes[@]} =~ $audiotype ]]; then
        #   ffmpeg -ignore_loop 0 -i "$1" -i "$audio" -c:a copy "${video%.*}.webm"
        #else
        #   ffmpeg -ignore_loop 0 -i "$1" -i "$audio" -c:a libvorbis "${video%.*}.webm"
        #fi
    #fi

    rm "$audiotemp"
}

soundposts=(**/*\[sound=*)
soundpostslen="${#soundposts[@]}"
i=1

originalworkingdir="$(pwd)"

cd "$targetdir"

for p in "${soundposts[@]}" ; do
    #echo "[$i out of $soundpostslen]"
    merge "${originalworkingdir}/$p" $i $soundpostslen &
    ((i++))
done

wait

echo -e "$gifskip"