[PD] using pix_mix to mix past images with present
Jack
jack at rybn.org
Sun Nov 8 15:13:22 CET 2009
Le samedi 07 novembre 2009 à 19:39 -0600, John Harrison a écrit :
> Hmm. This worked for you? I get a seg fault with your patch when I
> click on [create, 1(. I could get it to start w/out a seg fault by
> disconnecting the [t a b ] from the [gemlist], then clicking on the
> [create, 1( then reconnecting [t a b] to [gemlist], but then it
> doesn't work. I only see what is coming from the camera and not any
> sort of mix. No errors reported either.
Yep, all works fine here. Actually you needn't [pix_separator] in my
patch.
>
> What I am suspecting and what I thought your patch might also be
> showing is that I need 2 rendering chains to use [pix_mix] and that
> having the images to mix in separate buffers but from the same
> rendering chain is not sufficient.
Yep, it seems there is a strange behaviour with [pix_mix] and
[pix_delay] from the same rendering chain. (That's why i use a [gemlist]
object to avoid this problem.)
If someone know why ?
++
Jack
> But I'm not sure why that would be the case for a pix_ object so I
> could also be making up random rules for stuff I don't understand ---
> thus my initial question.
>
> So basically I have a solution as I show in my original patch I sent.
> But I'm looking for the "why" now.
>
> I'm running Gem 0.91.3 and Pd 0.41.3 extended on Jaunty.
>
> Thanks,
>
> -John
>
> On Sat, Nov 7, 2009 at 8:49 AM, Jack <jack at rybn.org> wrote:
> What about this ?
> ++
>
> Jack
>
>
>
> Le samedi 07 novembre 2009 à 07:32 -0600, John Harrison a
> écrit :
>
> > I wanted to mix past images with present images from a
> webcam using
> > pix_mix. Attached is a patch that successfully does this
> using
> > pix_buffer and fails to do this using pix_delay. My question
> is, why
> > doesn't pix_delay work with pix_mix in my patch? How woulld
> I change
> > my patch to get pix_delay to get the same results as
> pix_buffer does?
> >
> > Thanks,
> >
> > -John
> >
> > --
> > John
> > http://alumni.media.mit.edu/~harrison/
>
> > _______________________________________________
> > Pd-list at iem.at mailing list
> > UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
>
>
>
> --
> John
> http://alumni.media.mit.edu/~harrison/
More information about the Pd-list
mailing list