#! /bin/zsh
#
# this file:
#   https://dataswamp.org/~incal/conf/.zsh/audio

rm-audio () {
    local src=$1

    local name=${src:r}
    local ext=${src:e}

    local dst=${name}-mute.${ext}

    ffmpeg -i $src -an $dst
}

audio-in-video () {
    local aud=$1
    local vid=$2

    local aud_nom=${aud:r}

    local vid_nom=${vid:r}
    local vid_ext=${vid:e}

    local dst=${vid_nom}-${aud_nom}.${vid_ext}

    ffmpeg -i $vid   \
           -i $aud   \
           -c:v copy \
           -map 0:v  \
           -map 1:a  \
                     $dst
}