mkv2mp4

mkv2mp4.sh

#!/bin/bash
IFS=$'\n'
for mkv in `find . -name "*.mkv"`;do
        echo ${mkv}
        STREAM_NO=`ffprobe -hide_banner -v error -i ${mkv} -show_streams -of json | jq -c '.streams[] | select(.codec_name == "subrip")' | jq '.index'`
        echo ${STREAM_NO}
        ffmpeg -y -i ${mkv} -map 0:${STREAM_NO} ${mkv%%.mkv}.srt
        nice -n 19 ffmpeg -hide_banner -y -i "${mkv}" -movflags +faststart -codec:v libx264 -vf pad="width=ceil(iw/2)*2:height=ceil(ih/2)*2" -preset:v fast  -acodec aac -b:a 192k -aac_coder twoloop "${mkv%%.mkv}.mp4"
done