for f in *.ogg; do
    name="${f%.ogg}"
    ffmpeg -f lavfi -i "color=c=black:s=1920x1080" \
        -f lavfi -i "color=c=black:s=1920x1080" \
        -i "$f" \
        -filter_complex "[0:v]drawtext=text='$name':fontcolor=white:fontsize=72:x=(w-text_w)/2:y=(h-text_h)/2[v]" \
        -map "[v]" -map 2:a \
        -c:v libx264 -c:a aac -b:a 192k \
        -pix_fmt yuv420p \
        -shortest \
        "${name}.mp4"
done