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Posts: 1972
Joined: March 25, 2012 - 01:19
Re: VirtualMidiSynth and MuseScore
Ziya Mete Demircan wrote:

From today's nightly (2.2 unstable) version, MuseScore supports MIDI output.
I tested it with VMS 2.0.1, it works

Thanks for reporting it

Posts: 30
Joined: April 19, 2017 - 08:14
Re: VirtualMidiSynth and MuseScore

From today's nightly (2.2 unstable) version, MuseScore supports MIDI output.
I tested it with VMS 2.0.1, it works

Posts: 4
Joined: May 19, 2017 - 18:54
Re: VirtualMidiSynth and MuseScore

After a discussion on the MuseScore forum I installed VirtualMidiSynth and MuseScore on a WIN10 machine and noticed that there was no problem. 

Posts: 1972
Joined: March 25, 2012 - 01:19
Re: VirtualMidiSynth and MuseScore
Ziya Mete Demircan wrote:
A connection with JACK is possible. If there is a problem, it must be related to JACK.

I didn't know this, thanks for pointing it out.
Sadly this adds some other troubles to my "debugging" since I don't know MuseScore and I also have a really basic knowledge of JACK.
Maybe it worths a try posting an issue on MuseScore GitHub page...

Posts: 30
Joined: April 19, 2017 - 08:14
Re: VirtualMidiSynth and MuseScore

The software (the stable version Musescore 2.1 used at the moment) does not have direct external MIDI out support.
A connection with JACK is possible. If there is a problem, it must be related to JACK.

The development version of the software (MuseScore 3.0) has an external midi out support.

However, the release date of this future development release is not certain. Because it is not yet suited to the everyday use of the end user.

Posts: 1972
Joined: March 25, 2012 - 01:19
Re: VirtualMidiSynth and MuseScore
Mogens Lundholm wrote:
How could VirtualMidiSynth 1.15.2 succeed in initialising the interface and not 2.0.1?

1.x was an in-process DLL, so each MIDI client had its "own set" of VMS devices, separated from the others.
2.x is an out-of-process, so devices are shared among all of the MIDI clients. This gives a lot of pros and - sadly - some cons.

Need to be able to reproduce it on my side... will try again ASAP.

Posts: 4
Joined: May 19, 2017 - 18:54
Re: VirtualMidiSynth and MuseScore

Thank for the answers.

No it didn't help using Version 2.1 . My guess is: due to the addition of multiple devices the initialisation has been moved. In 1.15.2 the interface was initialised every time a player was started. This cannot be done with multiple devices.

A solution could be: when the error occurs and only one device is in use then initialise the interface. If the error persist, then show error message else not.

/Mogens.

PS: Need to write to MuseScore.

Posts: 1972
Joined: March 25, 2012 - 01:19
Re: VirtualMidiSynth and MuseScore

You can give a try to version 2.1-RC: http://coolsoft.altervista.org/forum/thread/528

It adds experimental support to multiple client per device.

Posts: 4
Joined: May 19, 2017 - 18:54
Re: VirtualMidiSynth and MuseScore

I am so sorry for the late answer - just thought that I would be notified but ... Thanks for the answer.

1. Closing VirtualMidiSynth with Taskmanager and restarting it, makes MidiAndMusicXmlPlayer work againg.

2. Two devices does not solve the problem - all devices stop when activating MuseScore (and I cannot see anyway to let MuseScore use only one). Also I note that "Windows Media Player" gives same error message as when starting "MidiAndMusicXmlPlayer".

Conclusion: I must continue with VirtualMidiSynth 1.15.2. But MuseScore is to blame for this - seems to occupy the whole MIDI-interface and not free it. 
Still my question is: How could VirtualMidiSynth 1.15.2 succeed in initialising the interface and not 2.0.1?

/Moge

Posts: 1972
Joined: March 25, 2012 - 01:19
Re: VirtualMidiSynth and MuseScore

Don't know if this is related to Win8, sorry I don't have a Win8 system to test it on.

I'm working on a version that removes the single-client-per-device limit, allowing more tahn one MIDI client to use the same VMS device.
Maybe this could help you and avoid the need to close one software to open the other one.

Meanwhile I have two suggestions:

  • configure VMS to have 2 virtual devices: VirtualMIDSynth #1 and VirtualMIDSynth #2 then connect MuseScore to #1 and MidiAndMusicXmlPlayer to #2.
    This way you could use them together.
  • instead of rebooting, have tried to forcibly close all of the MIDI processes (MuseScore, MidiAndMusicXmlPlayer and VMS) with TaskManager?