[NAME_BUG]: Names of the MIDI cable 'Swissonic MidiConnect 2' not correctly reported

[ReinholdH]

Windows Version

Canary 27802.rs_prerelease.250222-1646 and Windows 11 Pro Version 24H2 OS build 26100.3194

Service Installation Method

GitHub

Location

Application using Windows MIDI Services SDK (MIDI 2.0)

Device Make and Model

Swissonic MidiConnect 2 cable

Name(s) you saw

4 * USB MIDI cable

Name(s) you expected

USB MIDI cable and MIDIIN2 (USB MIDI cable)/MIDIOUT2 (USB MIDI cable)

MIDI KS Info Output

MIDI endpoint properties

Additional notes

The MIDI cable is this. Notice: no special driver required

MIDI-OX (uses WinMM) shows this

[Psychlist1972]

When you ran MIDI-OX was it on the same PC, or a different PC? It's a 32 bit app.

Is "MIDIIN2 (USB MIDI cable)" really the name you want/expect to see for the second port on each of those? This is the first device I've seen where that branch of code gets run. It really does complicate naming.

[Psychlist1972]

I've ordered one of these from Thomann (it doesn't seem to be available within the US). I'll see what it produces on my other laptop

[ReinholdH]

When you ran MIDI-OX was it on the same PC, or a different PC? It's a 32 bit app.

MIDI-OX was executed on Windows 11 Pro, 24H2 as a basic 32-bit app not using Windows MIDI Services

Is "MIDIIN2 (USB MIDI cable)" really the name you want/expect to see for the second port on each of those? This is the first device I've seen where that branch of code gets run. It really does complicate naming.

Please see my remark to #522 because it is closely related. For a general discussion let's us #522

I've ordered one of these from Thomann (it doesn't seem to be available within the US). I'll see what it produces on my other laptop

Thomann does not sell in US but such this is a typical USB MIDI cable where there are thousends out there. Some require drivers, some don't.

[Psychlist1972]

Thomann ships to the US. I've purchased plenty from them in the past. The dozen or so other USB MIDI cables I have do not report the same names, even with our in-box driver. How the names are reported is very much up to what the device has in the USB Descriptors, and they are unfortunately, wildly inconsistent. The rest of the conversation is on 522.

[Psychlist1972]

I received this from Thomann today. One thing is does differently vs many other similar units is it dynamically assigns each of the two physical connectors as input or output based on what it is attached to. So 4 ports, but 2 physical connectors. I'll add this device to the testing.

[Psychlist1972]

I have this working now for all the MIDI 1.0 devices I've been able to test. Once I have it working correctly for MIDI 2.0 devices, I'll release another preview you can use to test.

And for devices which name themselves using their filter instead:

Note that because this code is written to be compatible with WinMM, it also shares the same bugs. For example, there are two different ContinuuMini devices attached, but only one name is shown, consistent with WinMM when the legacy WinMM naming option (the default) is chosen.

The old WinMM/KS code assumes that for any given VID/PID there will be only one name. It doesn't account for devices which have unique names with things like serial numbers in them.