[Openal-devel] EFX on Generic

[Daniel PEACOCK]

Hi Richard,

The Effect Types (and the Effect Parameters) are not returned by
alGetEnumValue - they are all defined in the efx.h (and efx-creative.h)
files.  e.g #define AL_EFFECT_REVERB 0x0001

The EFXEnumerate test applications determines if an Effect Type is
supported by trying to set that Effect Type on an Effect object using
alEffecti(eid, AL_EFFECT_TYPE, effect type enum)

The "Generic Software" device should support the AL_EFFECT_REVERB effect
type.

Dan
Creative Labs, Inc.

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             "Richard Furse"                                               
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                                       [Openal-devel] EFX on Generic       
             03/21/2008 11:49                                              
             AM                                                            
                                                                           
                                                                           
                                                                           
                                                                           




Hi there - I'm a bit confused - sorry if this is a FAQ.

I'm trying to make EFX work with the Generic Hardware and Generic Software
drivers. The SDK example enumeration programs appear to report that reverb
and eax-reverb should be supported (but not the other effects).

However, ::alGetEnumValue("AL_EFFECT_REVERB") returns zero, though no error
is set. I'm guessing this isn't a good sign... And then nothing happens
(the
sounds plays otherwise correctly, without effects).

I've tried:

             Generic Hardware on Realtek HD Audio Output
             Generic Software on Realtek HD Audio Output
             Generic Software on MOTU Headphones

I gather there have been some issues with the Realtek cards, but I was
expecting for things to work using the Generic Software driver and my
MOTU828mk2 as I *thought* this supported reverb. Is this wrong? I ran
"oalinst.exe" from the current SDK recently if that's relevant.

Or am I just doing something wrong? Incidentally, my own OpenAL
implementation doesn't have this problem - but then I've probably just
applied my misunderstanding there too!

Best wishes,

--Richard


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