Re: [PD] Sending Textures

2008-10-13 Thread Joseph Barrows
Hi Hans,
thanks - it does work! what had changed was that pix_texture wouldn't do
anything untill it was in a gem chain (which it didn't need in .39, but was
probably an accidental 'feature')

I realised after posting that i forgot my technical details, then got it
working (and also realised there are soo many combos that problems can be
hard to reproduce (esp with linux, seems to have an order of magnitude more
combinations than osy?/windoze)

2008/10/14 Hans-Christoph Steiner [EMAIL PROTECTED]


 I think that should work on 0.40.3.  There are so many annoying technical
 details with opengl related thigns, you should include the exact OS, CPU,
 and graphics card info when posting about problems with Gem.

 .hc

 On Oct 12, 2008, at 9:28 AM, Joseph Barrows wrote:

 Hi all,
 I just upgraded to extended 0.40.3  and after much trouble re-locating all
 but a few of my loadtime libs, have one last problem I cant fix:
 I was able (under 0.39) send texture info (using the second output of the
 pix_texture), now it doesnt work!
 see attached stills mixer.pd for the patch that used to work to distribute
 nice sequence of image with fades to over hundred surfaces.
 is this a bug or a bug fix?


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[PD] Sending Textures

2008-10-12 Thread Joseph Barrows
Hi all,
I just upgraded to extended 0.40.3  and after much trouble re-locating all
but a few of my loadtime libs, have one last problem I cant fix:
I was able (under 0.39) send texture info (using the second output of the
pix_texture), now it doesnt work!
see attached stills mixer.pd for the patch that used to work to distribute
nice sequence of image with fades to over hundred surfaces.
is this a bug or a bug fix?


-- 
Joseph Barrows
live video performance; web site design; new media artist
jjbarrows.artwww.net
[EMAIL PROTECTED]


stills mixer.pd
Description: Binary data
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[PD] video processing removing feedback

2008-08-19 Thread Joseph Barrows
hi all,
I would like some advice, i wish to track objects using a video camera
and pd/gem (easy enough) but I would then like to project video into
that same space, but avoid it interfering with the video object
processing.  is there some simple way to do: (live video) - (gem
generated video) = video used for blob tracking ?
(if there is some way to offload it to the gpu that would be good too)

thanks,
Joseph


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[PD] int.lib for PD? (interpolating between numerous preset values)

2008-07-11 Thread Joseph Barrows
Hi Pders,
I recently saw a presentation by a fellow using Max and he was using int.lib
that allowed using a 2D space populated with presets, and as he moved a
marker around the space int.lib would smoothly interpolate all the values in
the various presets depending on the distance from their markers in the 2D
space

he was using it to set up 'moods' for effecting the audio, so he had more of
a conductor role than an individual musician role when controlling his patch

I was wondering if there is anything like this for PD (interpolation of
groups of values)

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[PD] netreceive text messages

2008-05-25 Thread Joseph Barrows
hi PDers,
thanks for previous help - i have now got basic messages going over tcp, but
am having trouble passing text messages to PD.  the problem is spaces (and
the first word getting dropped).

can anyone tell me what is wrong with this patch?
i'm sending messages from the shell using pdsend (but will eventually have
it coming from a batch file)

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receive text.pd
Description: Binary data
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[PD] re-using texture data without re-loading (across subpatches)

2008-05-19 Thread Joseph Barrows
hi,
is there a way to re-use a texture (without reloading) across multiple
subpatches?

i am using a modification of a pmpd example that uses constructor.pd to
create a large collection of objects (each as its own subpatch)  now i would
like to texture the objects, but so far adding texture to the i3d.pd
template patch makes it load up the same image several hundred times
(wastefull using an image, hopeless if i want to use a movie as a texture)

-joseph

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[PD] found: re-using texture

2008-05-19 Thread Joseph Barrows
have found how to re-use the texture (it was in the examples ofcourse!) just
had to send from the second output of the pix_texture
(the first may work as well, i forgot to put a gemhead at the top of my
little texture select and send patch)
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[PD] linux sound architecture

2008-05-13 Thread Joseph Barrows
hi,
this is not strictly PD;
can someone inform me how sound works in linux ?
i am very confused about alsa, jack, pulse, oss, hardware device name,

I dont use audio a lot, but would love audio to work on my machine.  today
PD cant connect to any audio (in or out) yesterday the mic input was stuck
feeding through the speakers (without PD) but PD could get input (with a lot
of noise).

I want it to 'just work' ie all apps can access the inputs and all apps can
access the outputs (mixed).

ideally there would also be the option of a PD like patching environment to
re-patch a programs output to become another programs input (EG cd-audio out
-- pd-audio in (fun patch)-- hardware line out

though even better would be such a system for video (eg: mandelbrot program
video -- PD/gem -- hardware output)



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Re: [PD] UI developer volunteering to help

2008-05-13 Thread Joseph Barrows
).



So far I've only tested this on Mac OS X


OS X.4 here.





 

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[PD] automated subpatch creation

2008-05-11 Thread Joseph Barrows
Hi Pd'ers,
i've seen some examples where a PD patch creates it's own subpatches on load
(or on bang), but havent seen anything in the documentation about it, is
there a tute or some details on howto do this i can read up on and refer to
while patching?
my aim is to create a large bunch of gem/pmpd objects, with slightly varying
characteritics (ie: texture map, gem text, physical properties).  they will
not be created all at once, but need to be done as inputs come into PD (new
text file at the moment - though on that point, is there a HTTP API for PD?
or not necessarily http).

thanks,
Joseph

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Re: [PD] pd extended build environment

2008-04-18 Thread Joseph Barrows
 use ffmpeg   : no (forced)
  hmm, maybe i should compile it myself then
 probably not. ffmpeg support in Gem is not something i would consider
 stable. (the API is changing so fast...)


i'll leave it out - stability is even more important than reading wide range
of video formats (i can transcode video, having PD vanish in the middle of a
performance is very bad form - happened 4 times last night)  my system
reports the standard
  pix_film:: quicktime support
 pix_film:: libmpeg3 support
 pix_film:: libaviplay support

though i think i do want ffmpeg (i think someone mentioned it would enable
support for .flv files)

i see, does it help if you create a table-of-contents first?
 iirc, there is a tool mpeg3toc which will create TOC from an mpeg-file
 which can then be fed into [pix_film] to allow frame accurate accessing
 of mpeg-files (and probably the exact number of frames in the file).

 otoh, it seems that this has stopped working some time ago...

 probably you should just check.


i seem to remember using the TOC when i first started using gem, but yes, it
did stop working and i havent checked for some time.

 gem still causes PD to
  completely die when given a video file it doesn't like.
 which is not fine.
 i suspect that it is libmpeg1 (if it is really used; check out which
 APIs are really supported when creating the first [pix_film]) - this
 library is highly unstable; it's only in the code in case libmpeg3 is
 missing and you still want to decode mpeg-files.


thanks, i'll try removing mpeg (guess i'll have to compile my own, oh well,
since i'm going to do that any ideas how i would go about making Gem use
opengl 1.5 instead of 2 (which i think it does now), i want to  use it with
chromium, which insists on opengl 1.5

the crashing is more random than i thought (sometimes happens with video
files that worked a few minutes earlier)
(some of the crashes were due to one of my subpatches, that i removed last
night, but i think that was the part causing the GUI lockups - it was giving
a lot of stack overflow messages)
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Re: [PD] extended sql and py

2008-04-10 Thread Joseph Barrows
hi,m
isn't sqldb for mac os x only?
i dont have a build environment setup at the moment so haven't tried
compiling it for linux, but if some one can confirm this will work i will
setup my machine for building
-jb

On 11/04/2008, Hans-Christoph Steiner [EMAIL PROTECTED] wrote:


 You should try mjmogo's sqldb:

 http://puredata.info/Members/mjmogo/

 Check the archives of this list for more discussion, there is quite a bit.
  It's a new object, but should be quite nice, and could use some testing.

 .hc

 On Apr 10, 2008, at 12:33 AM, Joseph Barrows wrote:

 hi puredata'ers,
 i want to use SQL access, and am confused as to how it get it to work, can
 someone explain what i need to do?  it doesnt appear to be in the extended
 build (just installed auto build for 10 april)
 using ubuntu on an intel processor
 am happy to download and compile source if needed, i just lose track of
 where everything is supposed to go (and need many of the other bits of
 extended and dont want to compile everything from source, though i spose i
 could, ahh linux!)

 also, py is listed in the extended help, but the examples dont work (the
 py object is in a dotted line can not create object box)

 thanks,
 joseph


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[PD] extended sql and py

2008-04-09 Thread Joseph Barrows
hi puredata'ers,
i want to use SQL access, and am confused as to how it get it to work, can
someone explain what i need to do?  it doesnt appear to be in the extended
build (just installed auto build for 10 april)
using ubuntu on an intel processor
am happy to download and compile source if needed, i just lose track of
where everything is supposed to go (and need many of the other bits of
extended and dont want to compile everything from source, though i spose i
could, ahh linux!)

also, py is listed in the extended help, but the examples dont work (the py
object is in a dotted line can not create object box)

thanks,
joseph


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[PD] Fwd: using PD to access URL based images and video

2008-02-23 Thread Joseph Barrows
hi,
i thought i had seen (few months ago) mention of someone using Pd to display
images from Flickr, but can not find any mention of it anywhere now

is anyone doing this and if so, how?  i'd also like to access youtube
videos, but images will do for now.

oh, i also need mysql and email access within puredata/gem; i can't find a
good database of externals/patches

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Re: [PD] Gem and ieee1394 firewire cam on linux debian

2007-08-15 Thread Joseph Barrows
Hi,
I'm having the same problem under fedore core 6 - there is no /dev/video

any advice?  (there is no /dev/ieee1394 either

(kino see the camera fine)

thanks,
Joseph

On 15/08/07, Tim Boykett [EMAIL PROTECTED] wrote:


 Hi Kids!

Time for a new adventure. I would like to have a working
 firewire camera input for manipulation in Gem on a linux
 box that is sitting here purring at me. The cam works
 fine with Kino and dvgrab, so the linux-firewire connection
 is all well.

 But I am having no luck with pix_video or pdp_v4l. The main problem
 seems to be that (apparently) recently the naming conventions
 in debian and possibly linux in general were changed. So there is
 no more /dev/video0 for the v4l mode, and for pix_video trying to
 work directly with ieee1394, I get complaints that /dev/ieee1394/dv/
 host/PAL/in
 Is a directory.

 Has anyone had more luck? Do I need to going from stable to testing in
 some parts of debian? Do I need to use some special somethings?

 Looking forward to the d'Oh moment,

Tim


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[PD] PDP fails to load

2007-05-12 Thread Joseph Barrows

Hi,
I'm having trouble with PDP
/usr/lib/pd/extra/pdp.pd_linux: /usr/lib/pd/extra/pdp.pd_linux: undefined
symbol: pdp_metro_setup
pdp: can't load library

everythime.

I'm using fedora core 6, freshly yum install pd and yum install pd-*
from planetccrma repositories
give pd 0.39.2
and am impressive list of pd-* things installed (some of which don't load
either)
are things getting in the wrong directories?  i did previously have a
combination on yum and manually installed pd's (trying to be all bleeding
edge ... might stick to yummy stuff now)

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