$ mid2json --help
Usage: mid2json [OPTIONS] <MIDI_PATH>
Arguments:
<MIDI_PATH> Name of the input file
Options:
--id <TARGET_ID> Id of the target chart
--song-file <SONG_FILE> Song file referred in the chart
--background-file <BACKGROUND_FILE> Background image referred in the chart
-o, --output <OUTPUT_PATH> The path of the conversation result
-s, --seprate <SEPRATION_RATE> seprate the keys
-v <SPEED>
-h, --help Print help
-V, --version Print version
You can start by just doing this:
$ ls
abyss.mid
$ mid2json abyss.mid
$ ls
abyss.mid abyss.json
Or, you can just drag the midi file and drop it on this application.
Note that it won't pack the zip file for you.
(This one can be seen as the improved version of mid2json.py.)
(Special thanks to @Mivik, for the definitions in prpr)