musicwebm.zsh

#!/usr/bin/env zsh
set -e
while getopts "a:p:w:" o
do
    case $o in
        a)  if=$OPTARG
            n=${if:t:r}
            t="$(ffprobe $if 2>&1|sed -n 's/.*Duration: \([^,]\+\),.*/\1/p')"
            ;;
        p) p=$OPTARG;;
        w) vopts=(-vf "scale=$OPTARG:-1");;
        *) cat<<END
Usage: $0 [options]
    -a song.flac  - audio source
         by default will be taken from audio player (mocp or deadbeef)
    -p image.png - picture
         by defalt path will be taken from clipboard
    -w width - scale picture
END
           exit 1
    esac

done
shift $((OPTIND - 1))
if [[ -n $if ]]
then
    :
elif pgrep mocp > /dev/null
then
    if="$(mocp -i | sed -n 's/^File: //p')"
    n="$(mocp -i | sed -n 's/^Title: //p')"
    [[ -z $n ]] && n=${if:h:t}
    t="$(mocp -i | sed -n 's/^TotalTime: //p')"
elif pgrep deadbeef > /dev/null
then
    if="$(deadbeef --nowplaying %F)"
    n="$(deadbeef --nowplaying %t)"
    t="$(deadbeef --nowplaying %l)"
else
    echo "nothing to do"
    exit 1
fi
[[ -n $p ]] || p="$(xclip -o| tr -d \')"
aopts=(-q:a 5)
#aopts=(-c:a libopus -application audio -vbr on -b:a 95k -strict -2)
#aopts=(-c:a copy)

[[ -f "$n.webm" ]] && echo "$n exists" && false
ffmpeg -hide_banner -loop 1 -r 1 -t $t -i $p \
  -c:v vp9 -pix_fmt +yuv420p -g 9999 -b:v 0 -qmax 16 -qmin 16 -y /tmp/v.webm
ffmpeg -hide_banner -i $if $@ -vn -sn $aopts -map_metadata 0 -y /tmp/a.webm
#for pass in 1 2
#    ffmpeg -hide_banner -loop 1 -r 1 -i $p \
#        $@ $vopts \
#        -t $t -pass $pass -g 9999 -auto-alt-ref 1 -lag-in-frames 16 -y /tmp/v.webm
#        #-vf 'setpts=10*PTS' \
mkvmerge /tmp/v.webm /tmp/a.webm -o $n.webm