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Thread: Re: Mac: Old Envelope point restore problem




Re: Mac: Old Envelope point restore problem
country flaguser name
United States
2008-03-28 23:52:48
>> 
>> "Mac: [BP] While recording, click on any of
the drop down menus. This
>> causes a crash, apparently caused by a ruler
drawing issue
>> (mMajorLabels).
>> Intel Mac OS X 10.5.2, wxWidgets compiled with
mac-unicode-debug-2.8.
>> GA (Win XP) and RA (Linux) can't reproduce with CVS
and wxWidgets
>> 2.6.x"
>> 
>> Is anyone on Mac able to reproduce on a Mac with
2.6.x? If so, that
>> would suggest perhaps it should have a place on
Release Checklist?
>> 
> 
> I can still get this to occur with wx2.8. It also
occurs when your
> playing the track and click on the menu bar.
> 
> I am currently trying to get wx2.6 to compile to see if
I still get
> this issue.
> 
What are your steps to reproduce?  I can't seem to get it to
fail while
playing or recording.

What I CAN get to fail during recording is if the display is
not at normal
zoom.  If you zoom in either before starting record or zoom
in during, the
first assertion in Envelope::GetValues() fires.

Leland



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Re: Mac: Old Envelope point restore problem
country flaguser name
Canada
2008-03-29 00:15:16

>>>
>>> "Mac: [BP] While recording, click on any
of the drop down menus.  
>>> This
>>> causes a crash, apparently caused by a ruler
drawing issue
>>> (mMajorLabels).
>>> Intel Mac OS X 10.5.2, wxWidgets compiled with
mac-unicode- 
>>> debug-2.8.
>>> GA (Win XP) and RA (Linux) can't reproduce with
CVS and wxWidgets
>>> 2.6.x"
>>>
>>> Is anyone on Mac able to reproduce on a Mac
with 2.6.x? If so, that
>>> would suggest perhaps it should have a place on
Release Checklist?
>>>
>>
>> I can still get this to occur with wx2.8. It also
occurs when your
>> playing the track and click on the menu bar.
>>
>> I am currently trying to get wx2.6 to compile to
see if I still get
>> this issue.
>>
> What are your steps to reproduce?  I can't seem to get
it to fail  
> while
> playing or recording.
>
> What I CAN get to fail during recording is if the
display is not at  
> normal
> zoom.  If you zoom in either before starting record or
zoom in  
> during, the
> first assertion in Envelope::GetValues() fires.
>
> Leland

Here is where I'm at:

wx2.6 works fine.

wx2.8.7: Open Audacity, Upon pressing the record button (new
or old  
project) or play button (after opening project with audio in
it) the  
following appears: (this could occur in other places)

wxWidget Debug Alert:

./src/mac/carbon/graphics.cpp(1396): assert "status ==
noErr ,  
wxT("Cannot nest wxDCs on the same window")"
failed in EnsurelsValid():
Cannot nest wxDCs on the same window

Do you want to stop the program? (Press cancel to suppress
further  
warnings).

Perhaps my description before was inaccurate as I had not
associated  
the two with each other (for several reasons, lack of sleep
included).

If I press cancel to suppress the warnings. Things occur
just fine,  
until I press the menu bar. At this point Audacity crashes
hard.

The assertion occurs in the  
function:wxMacCoreGraphicsContext::EnsureIsValid

Perhaps this the similar (or the same thing) to this:
http://permalink.gmane.org/gmane.comp.audio.auda
city.devel/18466

I was also going to try to compile against wxMac nightly
snapshot, but  
it doesn't seem to want to configure nicely.

Brett




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