webvideo () {
  ffmpeg -i $1 -map_metadata -1 -c:a libopus -c:v libaom-av1 -crf 34 -b:v 0 -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -strict experimental $1.av1.mp4
  ffmpeg -i $1 -map_metadata -1 -c:a libfdk_aac -c:v libx265 -crf 24 -preset veryslow -pix_fmt yuv420p -movflags +faststart -tag:v hvc1 -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" $1.hevc.mp4
  ffmpeg -i $1 -map_metadata -1 -c:a libfdk_aac -c:v libx264 -crf 24 -preset veryslow -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" $1.h264.mp4
}

webvideonoaudio () {
  ffmpeg -i $1 -map_metadata -1 -an -c:v libaom-av1 -crf 34 -b:v 0 -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" -strict experimental $1.av1.mp4
  ffmpeg -i $1 -map_metadata -1 -an -c:v libx265 -crf 24 -preset veryslow -pix_fmt yuv420p -movflags +faststart -tag:v hvc1 -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" $1.hevc.mp4
  ffmpeg -i $1 -map_metadata -1 -an -c:v libx264 -crf 24 -preset veryslow -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" $1.h264.mp4
}

webvideooptimized () {
  ffmpeg -i $1 -map_metadata -1 -c:a libfdk_aac -c:v libx264 -crf 24 -preset veryfast -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=900:trunc(ow/a/2)*2" $1.h264.mp4
}

webvideooptimizednoaudio () {
  ffmpeg -i $1 -map_metadata -1 -an -c:v libx264 -crf 24 -preset veryslow -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=1920:trunc(ow/a/2)*2" $1.h264.mp4
}

webvideooptimizednoaudiomobile () {
  ffmpeg -i $1 -map_metadata -1 -an -c:v libx264 -crf 24 -preset veryslow -profile:v main -pix_fmt yuv420p -movflags +faststart -vf "scale=720:trunc(ow/a/2)*2" $1.h264.mp4
}

webvideoposter () {
  ffmpeg -ss 00:00:02 -i $1 -frames:v 1 $1.jpg
}

# create and change to directory/folder
take () {
  mkdir -p $1
  cd $1
}

# a function to get the current branch for git shortcuts etc
current_branch () {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || \
  ref=$(git rev-parse --short HEAD 2> /dev/null) || return
  echo ${ref#refs/heads/}
}

# easy vim/terminal switch
fancy-ctrl-z () {
  if [[ $#BUFFER -eq 0 ]]; then
    BUFFER="fg"
    zle accept-line
  else
    zle push-input
    zle clear-screen
  fi
}

# creates an archive from given directory
mktar () { tar cvf  "${1%%/}.tar" "${1%%/}"; }
mktgz () { tar cvzf "${1%%/}.tgz" "${1%%/}"; }
mkzip () { zip -r   "${1%%/}"     "${1%%/}"; }

# easy extract
extract () {
  if [ -f $1 ] ; then
    case $1 in
      *.tar.bz2)   tar xvjf $1    ;;
      *.tar.gz)    tar xvzf $1    ;;
      *.bz2)       bunzip2 $1     ;;
      *.rar)       rar x $1       ;;
      *.gz)        gunzip $1      ;;
      *.tar)       tar xvf $1     ;;
      *.tgz)       tar xvzf $1    ;;
      *.tbz2)      tar xvjf $1    ;;
      *.tbz)       tar xvjf $1    ;;
      *.zip)       unzip $1       ;;
      *.Z)         uncompress $1  ;;
      *.7z)        7z x $1        ;;
      *)           echo "don't know how to extract '$1'..." ;;
    esac
  else
    echo "'$1' is not a valid file!"
  fi
}

wttr () {
  if [[ -n "$1" ]]
    then 
      curl "wttr.in/$1?format=v2"
    else 
      curl "wttr.in/Leipzig?format=v2"
  fi
}