Re: JAMin CVS commit - 0.97.00 and 0.97.01

Hi,

Some clouds of doubt have risen regarding my limiter, so it might not be
a perfect choice for jamin as-it-is. :(

If you are curious, the limiter and the patch are available at
http://www.studionumbersix.com/foo/

 Sampo

On Tue, 2007-06-12 at 21:34 -0500, Jan Depner wrote:
> Sorry to cross post this but I got no response on the JAMin devel list
> and we don't have a user list :(  
> 
> We need some people to check this out and make sure I haven't totally
> hosed up the program ;-)
> 
> The last commit note that was posted to JAMin devel follows:
> 
> CVS commit - 0.97.00
> 
>     *  Removed all XOR raster graphics operations from the HDEQ.
> 
>     *  Added tooltips to output and RMS peak/level text boxes.
> 
>     *  HDEQ spectrum curve color is now modifiable.
> 
>     *  HDEQ spectrum curve remains on screen when modifying HDEQ.
> 
>     *  Changed the default values for HDEQ background and spectrum curve
>        to black and cyan respectively.
> 
> 
>    This is a pretty major change.  Basically, we paint all the HDEQ
> background elements (EQ curve, gain lines, notch handles, crossover
> bars) to a GdkPixmap and then draw the entire pixmap to the widget at
> the beginning of the draw_EQ_spectrum_curve function.  We then draw the
> spectrum curve directly on the widget.  This way we don't have to worry
> about keeping track of the last time we drew the curve in the XOR
> graphics plane.  In addition to that we must draw the pixmap to the
> widget when we modify the background elements.  We also save the HDEQ
> spectrum curve when we draw it so that we can draw it back on the widget
> when we're modifying the background elements.  That way we can at least
> see the curve that was active at the time we began to modify stuff.
> 
>     The main reason for making this change to the HDEQ was because I had
> received a bug report having to do with a particular 3D window manager.
> I suspected at the time (and still do) that it had something to do with
> the XOR graphics.  The other reason is that I have recently ported all
> of my applications at work from Qt3 to Qt4.  This has been extremely
> painful as they have removed raster graphics from Qt4.  At the same time
> they have added alpha blending.  After all the work though I found that
> my applications were much more stable and I didn't have the occasional
> stray line due to not erasing an XOR line properly.  If I can figure out
> how to do the alpha blending in GTK I may add slowly fading HDEQ
> spectrum curves to the mix (configurable of course).
> 
>     As I said above, this is a major change.  Please try it out and see
> if you have any problems.  There may be some speed issues because the
> XOR graphics may have been a bit faster.  I have been unable to see any
> slowdown on my system and, from what I've seen at work, blasting a
> pixmap to the screen is really fast.  Let me know if you see any
> problems.
> 
> 
> -----------------------------------------------------------------------
> 
> 
> CVS commit - 0.97.01
> 
>     *  Added right-click popup menu to HDEQ
> 
>     *  First menu entry - Reset HDEQ curve : resets the EQ to 0 (this
>        used to be done by just the right-click).
> 
>     *  Second menu entry - Release parametric EQ controls : releases
>        the three, non-shelving parametric EQ controls to be reused
>        while leaving the EQ curve as is.  This effectively means you
>        have an unlimited number of parametric EQ controls.  You can 
>        shape the curve with the parametric EQs, release them, and
>        then put parametric controls on top of the curve you built with
>        the parametric controls - woot!
> 
>     *  Third menu entry - Cancel : cancels EQ curve drawing (center
>        click still does this too).
> 
>     *  Modified the help verbiage for the HDEQ.
> 
> 
>     I think we're real close to a 1.0 release but I'd like a bit more
> testing on these last two iterations 'cause they're kinda big ;-)
> 
> 
> Sampo,
> 
>     Can you send me the changes that we need to implement your limiter?
> I've lost them somewhere along the line.
> 
> 
> Reuben,
> 
>     Would you please try this on Beryl and see if it makes any
> difference?
> 
> 
> Cheers,
> Jan
> 
> 
> -- 
> Jan 'Evil Twin' Depner
> http://www.thecfband.com
> 
> "Life should NOT be a journey to the grave with the intention of 
> arriving safely in an attractive and well preserved body, but rather to 
> skid in sideways, chardonnay in one hand, chocolate in the other, body 
> thoroughly used up, totally worn out, and screaming 'WOO HOO, what a ride'"
> 


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