[PD] pix_buffer_read/write confusion ?

cyrille henry cyrille.henry at la-kitchen.fr
Sat May 3 16:19:41 CEST 2008


i think you have to use pix_separator (after the pix_buffer_read) if you don't wish to use this feature.
(it will copy the images data before modification, so it will slow down the patch.)


Raphaël ILIAS a écrit :
> Hi !
> I had this problem twice in two different patchs using 
> "pix_buffer_write"  and "pix_buffer_read" :
> While i'm reading a buffer (i use them to store live captured video), I 
> change some parameters on pixes further in the gemlist, before they're 
> sent to "pix_texture", especially "pix_flip". But when i  read the 
> buffer again (for example if it's video loop), all changes i made before 
> are played again, as if they had been written in the pix_buffer...
> Just like if you were sending the signal of a guitar sample to a 
> distorsion effect and it distort the stored sample data !
> The patch is a such mess that i cannot attach it...
> ...but if someone has an idea or encountered the same problem....
> Ciao
> Raphaël
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