2007/8/24, Pedro Lopez-Cabanillas <[EMAIL PROTECTED]>:
>
> On Friday, 24 August 2007 13:35, Heikki Johannes Junes wrote:
> > I looket at example file aveverum.rg both in NotationView and in
> EventView.
> > When looking Track #8 "Basso" in EventView, there are "controller"
> events
> > (between 7400-7680) before the first note in the segment (at 7680). In
> > Track #9 "Organo I" the controller events are placed at the first note
> (at
> > 7680), or after it (between 7680-7800), and NotationView is not
> confused.
> >
> > Obviously, m_segment->getStartTime() returns the time of first
> controller
> > event (at 7400) and NotationView gets confused about it, as first bar
> line
> > is shown red in Track #8 "Basso". In LilyPond exporter this difference
> > between the first note in segment and first event in segment
> > (7680-7400=280) results in an extra rest, r16.
> >
> > Obviously, one should make a new method m_segment->getNotationStartTime
> and
> > use it in stead of m_segment->getStartTime() when producing notation.
> >
> > But, what are these controller events? I do not know, and I am asking
> > because they have been confusing the NotationView.
>
> Controller 7 is General MIDI "Channel Volume".
> http://www.borg.com/%7Ejglatt/tech/midispec/vol.htm
>
> You can view and edit the controller values in Rosegarden, either in
> Notation
> or in Matrix view. To do so, go to menu View->Add event ruler->Volume
> Controller 7. You can see a shape, trying to do a "fade in".
>
> Regards,
> Pedro
>
Ok. So clearly, controller events are not notation related, but performance
related. Accordingly, there is need for a new function, namely
m_segment->getNotationStartTime(), which would be used when the start of
notation is calculated. Have to look at some point.
--
Heikki
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