ffmpeg -i "input.mkv" -vn -acodec copy audio.mp3 ffmpeg -i "input.mkv" -vn -map 0:a -acodec copy audio.mp3 ffprobe -v quiet -print_format json -show_format -show_streams "audio.aac" ffprobe -v error -select_streams a:0 -show_entries format=bit_rate -of default=noprint_wrappers=1:nokey=1 "audio.aac" | uniq ffprobe -v quiet -print_format json -show_format -show_formats "input.mkv" ffprobe -v error -hide_banner -select_streams v:0 -show_frames "input.mkv" ffmpeg -i "input.mkv" -c copy -map 0:a -f null - ffprobe -v error -hide_banner -select_streams v:0 -show_packets "input.mkv" ffprobe -v quiet -print_format json -show_format -show_streams "input.mkv" ffprobe -v error -hide_banner -of default=noprint_wrappers=1 -print_format flat -select_streams v:0 -show_entries stream=bit_rate "input.mkv" ffprobe -v quiet -print_format json -show_format -show_streams -select_streams v:0 -show_entries stream=width "input.mkv" /media/peter/Disk1/00/smartmontools/smartmontools$ sudo ./smartctl -a /dev/sdg -d qnaptr,0,force /media/peter/Disk1/00/smartmontools/smartmontools$ sudo ./smartctl -a /dev/sdb /media/peter/Disk1/00/smartmontools/smartmontools$ sudo ./smartctl -a /dev/sdc /media/peter/Disk1/00/smartmontools/smartmontools$ sudo ./smartctl -a /dev/sdg -d qnaptr,0,force /media/peter/Disk1/00/smartmontools/smartmontools$ sudo ./smartctl -a /dev/sde -d qnaptr,0,force