ok, thanks for the explanation
cheers
c
Le 25/02/2013 16:48, IOhannes m zmoelnig a écrit :
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On 2013-02-25 16:43, Cyrille Henry wrote:
Le 25/02/2013 16:17, IOhannes m zmoelnig a écrit : On 2013-02-25
15:54, Cyrille Henry wrote:
on the other hand, pix_share_read / pix_share_write are
dedicated to share pix data. but the id provide is not the
shmid.
right, it is a hashed version of the shmid, in order to make it
more easily usable within Pd.
i'm curious : what make the hash shmid more usable than the
integer Id? i used the int id for shmem because i did not find
any good reason not to.
without checking the actual code:
the shmid can be any 32bit integer, e.g. 156823457
since Pd uses 32bit single precision floats, the given id might not be
representable by a Pd-atom.
the hash i'm using is only 16bit, and thus always representable by a
Pd-atom.
ftgmasdr
IOhannes
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