[PD] problems compiling pix_opencv in OSX (Was Re: pdp_opencv & pix_opencv new development)

Jack jack at rybn.org
Tue May 6 13:21:55 CEST 2008

Hello IOhannes,  Lluis and PD users,

Le 6 mai 08 à 08:09, IOhannes m zmoelnig a écrit :

> Jack wrote:
>> Hola Lluis,
>> now i got this error and i really don't know what it is :)
>> error: [pix_opencv_haarcascade]: cannot handle this format  
>> (1234567) !
>> What does it mean ? Do you know where is the problem ?
> it can mean 2 things.
> it _should_ mean, that you send an image in a certain colorspace to  
> the object, which does not know how to deal with this colorspace.  
> (e.g. a YUV image to an RGBA effect; and nobody has coded yet the  
> YUV-part)
> however, i believe here it is something different.
> if your _really_ get "1234567" as the format, then something else  
> is wrong. usually, you should get the openGL colorspace ID here,  
> e.g. "6408" for RGBA).
> there is no openGL-colorspace "12345678", so this number has to  
> come from somewhere else. it turns out that it is used as a magic  
> number in the GemList.
> you should never ever see it.
> most likely you are trying to compile pix_opencv against a  
> different version of Gem you are using.
Ah ! OK, i tried to compile opencv with GEM 0.90 and i use GEM 0.91.
Thanx, i will tell you if it's ok.

> always make sure to use the same version of Gem for compiling and  
> running, if you don't want to experience any crashes.
> (especially when using the CVS of Gem, where it might not be  
> obvious that things have changed)
> i guess i should introduce a kind of ABI check for 3rd party Gem- 
> externals.
> but not before the next release.
> fmadr
> IOhannes

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