sh 给定目录中的default.jpg文件，将mp3转换为mp4

Posted 2021-05-07

#!/usr/local/bin/bash
# convert.sh
# Convert mp3 to mp4, given default.jpg in directory
# Optional: Delete original file after conversion

shopt -s globstar
i=1
for song in ./**/*.mp3
do
  ffmpeg -loop 1 -i "default.jpg" -i "$song" -shortest -vf scale="trunc(oh*a/2)*2:720" -c:v libx264 -c:a copy "$song".mp4
  i=$((i+1))
done