Re: Rosegarden MIDI out port names not showing in the Pipewire MIDI bridge

   It appears as if Rosegarden will use "unnamed" if you don't give the 
device a name in the device manager.  This might be the issue you are 
seeing.  Try this:

- Launch the Manage MIDI Devices dialog: Studio > Manage MIDI Devices.
- Make sure each device has a name other than "New Device".
- From the command prompt: aconnect -i
- Each device listed here should have a full name.  None should be named 
"unnamed".

E.g. I created three devices and only gave one of them a name ("Device 
with a name"):

- New Device
- New Device
- General MIDI Device
- Device with a name

...and I get:

client 128: 'rosegarden' [type=user,pid=131091]
     1 'sync out        '
     2 'out 1 - General MIDI Device'
     3 'out 2 - Device with a name'
     4 'out 3 - unnamed '
     5 'out 4 - unnamed '

   What do you see in your case?  What is in Manage MIDI Devices?  Are 
any "New Device"?

   A quick glance at AlsaDriver does not reveal where the actual device 
name is added to the port name.  I need to do more digging if the above 
doesn't help.

Ted.

On 10/16/24 9:11 AM, Lorenzo Sutton wrote:
> On 14/10/2024 20:25, Ted Felix wrote:
>>   The code in question is here:
>>
>> AlsaDriver::createMidiDevice()
>>
>>   It appears to create all ports with the name "out x - unnamed". What 
>> does a2jmidid show?
> 
> a2jmidid shows correct names in a form such as:
> 
> 'rosegarden [129] (capture): out 1 - General Midi'
> 
> Aj2midid does react to deleting and creating a new MIDI out port (i.e. 
> 'device' but if you create one when it has already been started it won't 
> ever pick up the correct name. On the other hand if you load a 
> rosegarden file which already contains multiple midi out devices with 
> different names it will indeed pick them.
> 
> Best,
> 
> Lorenzo
> 
>>
>> Ted.
>>
>> On 10/5/24 9:21 AM, Lorenzo Sutton wrote:
>>> Hi all,
>>>
>>> So pipewire provides a 'midi bridge' from ALSA MIDI to JACK MIDI out- 
>>> of- the-box, which is quite cool for example to connect Rosegarden 
>>> to, say, Carla or Ardour.
>>>
>>> Problem is that it doesn't seem to pick up the names assigned within 
>>> Rosegarden (as a2jmidid seems to, albeit not being able to detect 
>>> name changes); all ports are just listed as 'out 1 - unnamed', 'out 2 
>>> - unnamed', etc.
>>>
>>> I've tested for instance with Pure Data MIDI outs and Qtractor MIDI 
>>> 'buses' (both also using ALSA MIDI, and the names seem to be picked 
>>> up by the pipewire MIDI bridge.
>>>
>>> Yet, I'm not 100% if the culprit is Rosegarden or pipewire... Any ideas?
>>>
>>> Lorenzo
>>>
>>>
>>>
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>>
>>
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> 
> 
> 
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