小工具集合
Reference https://ffmpeg.org/documentation.html Usage flac to mp3 ffmpeg -i input.flac -ab 320k -map_metadata 0 -id3v2_version 3 output.mp3 ffplay https://www.jianshu.com/p/c7c6871a8b7c https://www.jianshu.com/p/fd3c6d02a625 VLC VLC 命令行播放音乐 参考 https://wiki.videolan.org/Console/ ✗ vlc -I rc VLC media player 3.0.16 Vetinari (revision 3.0.16-0-g5e70837d8d) [00007fe29244ebe0] main playlist: playlist is empty [00007fe292712650] [cli] lua interface: Listening on host "*console". VLC media player 3.0.16 Vetinari Command Line Interface initialized. Type `help' for help. > help +----[ CLI commands ] | add XYZ . . . . . . . . . . . . . . . . . . . . add XYZ to playlist | enqueue XYZ . . . . . . . . . . . . . . . . . queue XYZ to playlist | playlist . . . . . . . . . . . . . show items currently in playlist | search [string] . . search for items in playlist (or reset search) | delete [X] . . . . . . . . . . . . . . . . delete item X in playlist | move [X][Y] . . . . . . . . . . . . move item X in playlist after Y | sort key . . . . . . . . . . . . . . . . . . . . . sort the playlist | sd [sd] . . . . . . . . . . . . . show services discovery or toggle | play . . . . . . . . . . . . . . . . . . . . . . . . . . play stream | stop . . . . . . . . . . . . . . . . . . . . . . . . . . stop stream | next . . . . . . . . . . . . . . . . . . . . . . next playlist item | prev . . . . . . . . . . . . . . . . . . . . previous playlist item | goto, gotoitem . . . . . . . . . . . . . . . . . goto item at index | repeat [on|off] . . . . . . . . . . . . . . toggle playlist repeat | loop [on|off] . . . . . . . . . . . . . . . . toggle playlist loop | random [on|off] . . . . . . . . . . . . . . toggle playlist random | clear . . . . . . . . . . . . . . . . . . . . . clear the playlist | status . . . . . . . . . . . . . . . . . . . current playlist status | title [X] . . . . . . . . . . . . . . set/get title in current item | title_n . . . . . . . . . . . . . . . . next title in current item | title_p . . . . . . . . . . . . . . previous title in current item | chapter [X] . . . . . . . . . . . . set/get chapter in current item | chapter_n . . . . . . . . . . . . . . next chapter in current item | chapter_p . . . . . . . . . . . . previous chapter in current item | | seek X . . . . . . . . . . . seek in seconds, for instance `seek 12' | pause . . . . . . . . . . . . . . . . . . . . . . . . toggle pause | fastforward . . . . . . . . . . . . . . . . . . set to maximum rate | rewind . . . . . . . . . . . . . . . . . . . . . set to minimum rate | faster . . . . . . . . . . . . . . . . . . faster playing of stream | slower . . . . . . . . . . . . . . . . . . slower playing of stream | normal . . . . . . . . . . . . . . . . . . normal playing of stream | rate [playback rate] . . . . . . . . . . set playback rate to value | frame . . . . . . . . . . . . . . . . . . . . . play frame by frame | fullscreen, f, F [on|off] . . . . . . . . . . . . toggle fullscreen | info [X] . . information about the current stream (or specified id) | stats . . . . . . . . . . . . . . . . show statistical information | get_time . . . . . . . . . seconds elapsed since stream's beginning | is_playing . . . . . . . . . . . . 1 if a stream plays, 0 otherwise | get_title . . . . . . . . . . . . . the title of the current stream | get_length . . . . . . . . . . . . the length of the current stream | | volume [X] . . . . . . . . . . . . . . . . . . set/get audio volume | volup [X] . . . . . . . . . . . . . . . raise audio volume X steps | voldown [X] . . . . . . . . . . . . . . lower audio volume X steps | achan [X] . . . . . . . . . . . . set/get stereo audio output mode | atrack [X] . . . . . . . . . . . . . . . . . . . set/get audio track | vtrack [X] . . . . . . . . . . . . . . . . . . . set/get video track | vratio [X] . . . . . . . . . . . . . . . set/get video aspect ratio | vcrop, crop [X] . . . . . . . . . . . . . . . . set/get video crop | vzoom, zoom [X] . . . . . . . . . . . . . . . . set/get video zoom | vdeinterlace [X] . . . . . . . . . . . . . set/get video deinterlace | vdeinterlace_mode [X] . . . . . . . set/get video deinterlace mode | snapshot . . . . . . . . . . . . . . . . . . . . take video snapshot | strack [X] . . . . . . . . . . . . . . . . . set/get subtitle track | | vlm . . . . . . . . . . . . . . . . . . . . . . . . . load the VLM | description . . . . . . . . . . . . . . . . . describe this module | help, ? [pattern] . . . . . . . . . . . . . . . . . a help message | longhelp [pattern] . . . . . . . . . . . . . . a longer help message | lock . . . . . . . . . . . . . . . . . . . . lock the telnet prompt | logout . . . . . . . . . . . . . . exit (if in a socket connection) | quit . . . . . . . . quit VLC (or logout if in a socket connection) | shutdown . . . . . . . . . . . . . . . . . . . . . . . shutdown VLC +----[ end of help ] > https://github.com/pemako/beancount ...