Re: [Qtractor-devel] LV2-Yoshimi state save/load

[Holger M. <ho...@ma...>]

On Sat, 2 Apr 2016, Will Godfrey wrote:

> On Sat, 2 Apr 2016 17:43:01 +0100
> Rui Nuno Capela <rn...@rn...> wrote:
> 
> > On 04/02/2016 04:46 PM, Will Godfrey wrote:
> > > Yoshimi's state includes all volume & pan settings, but qtractor somehow
> > > doesn't seem to restore these. It gets all the instruments in the correct parts
> > > but with pan at centre and default volume. I don't know how it manages to do
> > > that! Both Ardour and Muse get this right.
> > >  
> > 
> > could it be that yoshimi responds to MIDI channel volume (cc#7) and 
> > panning (cc#10) messages ?
> > 
> > qtractor does override each MIDI track/channel with those controllers 
> > --they're both handled as MIDI track/channels properties for that 
> > matter--upon session setup and anytime later, eventually whenever
> > MIDI connections changes.
> > 
> > hth.
> 
> Yes, Yoshimi accepts most standard MIDI CCs
> 
> This is a real problem. Yoshimi state is a very complete setup and is intended
> to restore it to *exactly* the condition it was saved at. If you are changing
> anything at all after the state has been loaded you break Yoshimi's model.
> 
> I've had this discussion with other sequencer builders. While I can appreciate
> the desire to put things in a known condition, it's my belief that any such
> changes should only be made *before* a state or patch set load.

As a compromise Qtractor's override behaviour could made to be toggled,
ideally per track, with the default "on". Experts who know what they do
then can change it to "off".