Broadcast Midi In/Out

[DJthefirst]

Is there a way to create a new virtual midi Input/Output device for other programs to use such as loop Midi? Love and Appreciate all of your hard work!

[jazz-soft]

Hi! Thanks for asking!
Currently, it is possible to do on Mac and Linux, see https://www.npmjs.com/package/midi-test
In Windows it is difficult to do, but, hopefully I'll have it some day.

[DJthefirst]

Thx for the help It's not too big of a deal. Another quick question and I will probably have some more as my project progresses Only about 1/2 of my midi files work. I have about 3,000 or so on hand and the half that don't work all come from the same source except for 3-4 stranglers. I am not sure what DAW they used if that is the problem but I can open and play them in my DAW just fine but in JZZ I get the following error.

DOMException: Failed to execute 'send' on 'MIDIOutput': System exclusive message is not allowed at index 0 (240).

at Object._receive (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:1187:28)
at port._receive (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:1203:20)
at F._receive (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:519:16)
at _R._exec (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:57:16)
at _R._push (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:62:28)
at _M.send (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:522:14)
at _M._emit (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:543:28)
at _R._emit (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:547:14)
at _R._exec (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:57:16)
at _R._push (http://localhost:5173/node_modules/.vite/deps/jzz.js?v=4a38d6e8:62:28)

	_receive	@	JZZ.js:989
	port._receive	@	JZZ.js:1002
	_receive	@	JZZ.js:407
	_R._exec	@	JZZ.js:42
	_R._push	@	JZZ.js:45
	_M.send	@	JZZ.js:409
	_M._emit	@	JZZ.js:427
	_emit	@	JZZ.js:430
	_R._exec	@	JZZ.js:42
	_R._push	@	JZZ.js:45
	_M.emit	@	JZZ.js:432
	midiNode._receive	@	Initilizations.ts:16
	_receive	@	JZZ.js:407
	_R._exec	@	JZZ.js:42
	_R._push	@	JZZ.js:45
	_M.send	@	JZZ.js:409
	_M._emit	@	JZZ.js:427
	Player._receive	@	JZZ.midi.SMF.js:926
	_filter	@	JZZ.midi.SMF.js:913
	Player.tick	@	JZZ.midi.SMF.js:935
	Player.play	@	JZZ.midi.SMF.js:886
	updateSong	@	MidiPlayer.svelte:74
	await in updateSong (async)
	$self.$.update	@	MidiPlayer.svelte:63
	update	@	scheduler.js:115
	flush	@	scheduler.js:79
	Promise.then (async)
	schedule_update	@	scheduler.js:20
	make_dirty	@	Component.js:81
	(anonymous)	@	Component.js:129
	setNode	@	MidiPlayer.svelte:77
	click_handler	@	MidiPlayer.svelte:166
	click_handler	@	MidiPlayer.svelte:169

[jazz-soft]

Please attach some files that cause the problems, I'll take a look...

[DJthefirst]

It happens specifically when I connect the midi from my common node where the player and inputs feed into to midi out.

export let port: any;

	let selected = false;
	let midiNode: any;

	// Generate Common Node
	midiNodeStore.subscribe((prev_val) => (midiNode = prev_val));

	function connectOutput(port: any) {
		if (selected) {
			midiNode.disconnect(port);
		} else {
			midiNode.connect(port);
		}
		selected = !selected;
	}

When not connected the file plays when connected and routed to midi out only 1/2 the songs work.

I changed the file type of the midi to ,png as github will not allow other files for issues. let me know if you want the files with another method.

[TimSusa]

I would source that out, because imo thats a complex problem about crossplatform OS. https://github.com/dinchak/node-easymidi/blob/master/index.js seems to do something like this, but if you want a reliable crossplattform solution, maybe JUCE could provide something like this to talk via C++ Connection Kit?