Re: release version problem

Hi,

Can you print out the x,y,z co-ordinates that you are passing to alSourcefv
(or alSource3f) and see if the values look sensible?

Is this a test application that you can easily send me to look at?

Dan
Creative Labs (UK) Ltd.

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             uray meiviar                                                  
             <uraymeiviar@yaho                                             
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                                       Daniel PEACOCK                      
             04/08/2010 02:28          <[email protected]>         
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                                       Re: [Openal] release version        
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hi,

I have 1 listener, 1 source, the listener is placed at center, while the
source is circling the listener horizontally, in debug mode I heard that
the sound is moving from left of my earphone to the right while the source
is circling the listener, but on release version, both left and right
earphone are equally loud and no fluctuation in volume and I don't feel
sound movement. the source is fixed at 1.0f gain and 1.0f pitch, no speed
value is specified, and looping.

thanks

From: Daniel PEACOCK <[email protected]>
To: uray meiviar <[email protected]>
Cc: openal mailinglist <[email protected]>
Sent: Thu, April 8, 2010 2:20:02 PM
Subject: Re: [Openal] release version problem

Hi,

I'm not too familiar with those compiler settings to know if that means for
100% certain that no uninitialized variables are being passed to OpenAL.

Can you give some more details about the problem that occurs in Release vs
Debug builds? e.g When you say that sounds are not spatialized ... does
that mean that the sounds seem to play from the same location as the
listener (resulting in all sounds playing from all speakers)? Are the
sounds at full volume or is any attenuation happening?

Dan
Creative Labs (UK) Ltd.

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Creative Labs UK Ltd company number 2658256 registered in England and Wales
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Hi, thanks for quick reply.

I solved it by set compiler (visual studio) settings to /RTCs (Stack
Frames) in "Basic Runtime check" for release build of my application.

but if I turn off /RTCu (uninitialized variables) the program still run ok
as long as /RTCs is set, so it doesn't need /RTCu. in that case I think its
not because of uninitialized var. what's another possibility related to
stack frames?

thanks

From: Daniel PEACOCK <[email protected]>
To: openal mailinglist <[email protected]>
Sent: Thu, April 8, 2010 12:39:32 PM
Subject: Re: [Openal] release version problem

Hi,

Are you sure you are not passing uninitialized variables to OpenAL? In a
debug build, variables will be set to 0 by default but a release build will
not do this - meaning the values will be completely random (and in the case
of floats and doubles they might not even be valid numbers). Passing
uninitialized values to OpenAL could definitely mess up the 3D Audio
spatialization.

Which OpenAL device are you requesting in the call to alcOpenDevice?

Dan
Creative Labs, UK

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The information in this message is confidential and may be legally
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unlawful. If you have received this message in error, please delete it
and contact the sender immediately. Thank you.

Creative Labs UK Ltd company number 2658256 registered in England and Wales
at 79 Knightsbridge, London SW1X 7RB




uray meiviar
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hi,

I developed openAL App, on Windows 7 x64 using summer 2009 SDK from
creative, and I got problem when running release version of my application,
the sound seems not to be spatialized, but when I run the debug version of
my application, there's no problem sound is spatialized correctly.

both release and debug version are using same openal32.lib and I checked
using dependency walker both dynamically linked to Windows\System32
\OpenAL32.dll. My soundcard is Realtek HD and Creative X-Fi Titanium both
suffer from the same problem.

can anyone give me clue where should i fix this?

thank you
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