sh 这些是基于Linux的别名，我用它们在后台将不同类型的视频文件批量转换为mp4。

Posted 2021-05-07

# convert all avi's to mp4 in nohup
alias convert-avis-to-mp4='for i in *.avi; do  echo  "ffmpeg -i \"${i}\" -acodec aac -b:a 128k -vcodec mpeg4 -b:v 1200k -flags +aic+mv4 \"${i}.mp4\"" ; done > batch-convert.sh ; nohup bash batch-convert.sh > batch-avi-convert.log &'

# convert all mkv's to mp4 in nohup
alias convert-mkvs-to-mp4='for i in *.mkv; do  echo  "ffmpeg -i \"${i}\" -vcodec mpeg4 -acodec aac \"${i}.mp4\"" ; done > batch-convert.sh ; nohup bash batch-convert.sh > batch-mkv-convert.log &'