On Monday 10 December 2007 11:16 am, Adam Davison wrote:
> Ah yes. I remember this now. I ended up applying this in some form and
> the midi code now uses this. It was also affecting my Hercules on
> Windows. So this will indeed probably solve Tuma's problem.
>
> So this will indeed probably solve Tuma's problem.
Oh, thanx! The problem from "April 8/07" is really what I have now!
So, if it is solved in 1.6.0 it is really wonderfull! =)
> Adam
>
> On 10/12/2007, Albert Santoni <[EMAIL PROTECTED]> wrote:
> > On Sun, 2007-12-09 at 23:22 +0100, Sacha Berger wrote:
> > > Hi,
> > >
> > > Am Montag, den 10.12.2007, 10:00 +1300 schrieb Robin Sheat:
> > > > The EQ knobs are non-linear. Send it the half-way command, and it
> > >
> > > goes to
> > >
> > > > around 3/4ths. I don't know if it's supposed to be like that, but it
> > >
> > > is kinda
> > >
> > > > strange.
> > >
> > > As I did no see the whole discussion it may be unrelated, but I
> > > remember
> > > some patching in 1.5.* to have Controller Knobs behave like the GUI
> > > knobs: The Knobs are expected to kill maximum when fully to the left
> > > and
> > > have 0dB in center position. When fully to the right they boost a
> > > certain amount (I duno how much). Hence things behave differently on
> > > both sides of the center position. I found the bug when using a MIDI
> > > controller, but in those times it did not show up on Hercules. Maybe
> > > now
> > > some code got mixed up?
> > >
> > > CU.Sacha
> >
> > I remember applying your patch for this and it seemed to fix something
> > related to this on your MIDI controller....
> >
> > Your email to mixxx-devel from April 8/07 sounds like the same problem
> > (?):
> >
> >
> > =====================
> >
> > Hi!
> >
> > Equipped with a midi controller, I experienced strange behavior of the
> > filter pots:
> > I mapped them to a regular midi control pot. When the pot is to the
> > left, the pot in mix is also to the left -- perfect. At full turn to the
> > right, everything is perfect as well. But when the midi controller pot
> > is centered, the filter pot of mixxx is half way between center and
> > right end.
> >
> > In the source code I found out, that the filters use ControllogPotmeter
> > object and they have two regions of different operation: left to center
> > (mapped to mixxx control values 0.0 to 1.0) and center to dMaxValue. The
> > midi control values are handled in the super class ControlPotmeter and
> > are hence linearly mapped to mixxx control values between 0 and
> > dMaxValue -- in the case of the filters the centered midi controller
> > results in a mixxx control value of 2.0 (as dMaxValue is set to 4.0)
> >
> > It was possible to solve the problem by overriding the implementation
> > of "setValueFromMidi" in controllogpotmeter.cpp like this:
> >
> > void ControlLogpotmeter::setValueFromMidi(MidiCategory, doublev)
> > {
> > m_dValue = getValueFromWidget(v);
> > emit(valueChanged(m_dValue));
> > }
> >
> > (plus "void setValueFromMidi(MidiCategory c, double v);" in the public
> > section of controllogpotmeter.h)
> >
> > I do not know if it is so wise to call "getValueFromWidget(v)" in
> > "setValueFromMidi" but according to the source code there are no side
> > effects... but who knows how long ;-)
> >
> > CU. Sacha
> >
> > ============================
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