I'd like to add that, at least in 12.04, an "all controllers reset" as 
well as any visible controllers in the Instrument Parameters box are 
sent at the start of each segment.  I have some compositions that use 
separate overlapping segments in the same track for control data and 
notes, and the result is that in recent versions of Rosegarden the 
volume and panning get reset to their default values every time a new 
segment starts, sometimes during the middle of another segment on the 
same track.

I tried to work around this by removing all the controllers from the 
Instrument Parameters pane via the Manage MIDI Devices dialog.  But it 
seems like if the Volume and Pan controllers are hidden in this way then 
they are silently added back when the .rg file is saved, Rosegarden is 
closed, and then Rosegarden is launched again and the file re-opened. 
If I import a saved .rgd file with all controllers hidden every time I 
open the project then it seems to behave the way I want it to; that is, 
individual controller default values are no longer sent.  The "all 
controllers reset" message is still always sent, however.

Maybe in "fixed" mode the default values and all controllers reset 
should not be sent at the start of each segment, but just at the start 
of playback?  This would maintain legacy behavior for people using fixed 
mode, although it may have implications for drum tracks which I think 
currently default to fixed.  It makes sense to send the controllers for 
each segment in "auto" mode, because the new MIDI channel is probably 
not initialized for that track yet.

I understand that I may not be using segments the way they are intended 
to be used, but I appreciated the ability to do this in previous versions!

Thank you, and sorry to go off on a tangent (also apologies if this has 
already been fixed; my distro hasn't packaged 12.12 yet).

-Michael J. Wilson

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