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Re: Playback doesn't work if Jack MIDI is used

From: Richard Shann
Subject: Re: Playback doesn't work if Jack MIDI is used
Date: Mon, 25 Oct 2021 10:53:51 +0100

On Sun, 2021-10-24 at 15:18 +0300, Andreas Schneider wrote:
> If MIDI is configured to use Jack, start playback plays back two
> notes
are these actually audible?
> and then stops. Also, the note at the cursor is changed to the note
> of
> the first staff while playing back.
Did you mean the cursor position changes?

>  I can produce this behaviour e.g. by
> creating a new score with two staffs, add a bunch of g's in the upper
> staff and a bunch of c's in the lower staff, go to the beginning and
> start playback with the playback control. This strange behaviour does
> not occur if I change MIDI input to Portmidi; in the latter case
> playback works as expected.

Any idea when this last was working - was it before the real-time
playback was introduced? (I haven't experimented with JACK in recent


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