czesc.list

I need to project the images from one webcam to two beamers.

Each beamer is connected to one powerbook.

I thought i'd use the udpsend and udp receive objects.

If i plug the output of jit.qt.grab to a udpsend object and plug the

corresponding udp receive to a jit.window on the 

other computer, max complains and says : 

I guess it's because it's on the other computer but...

I need to project the images from one webcam to two beamers.
Each beamer is connected to one powerbook.

I've never done this before.
I thought i'd use the udpsend and udp receive objects.

If i plug the output of jit.qt.grab to a udpsend object and plug the
corresponding udp receive to a jit.window on the 
other computer, max complains and says : 
jit.window : couldn't get matrix object
I guess it's because it's on the other computer but...
what should i do ?

1-webcam-on-two-computers

You should use jit.net.send/recv for sending video. Depending on your

network and video size, you might want to convert it to uyuv before

You should use jit.net.send/recv for sending video.  Depending on your
network and video size, you might want to convert it to uyuv before
sending.

The only thing is that i don't have jitter 1.5 here...

Do you think it's possible without loosing image quality ?

Otherwise... i'll have to get Jitter 1.5...

yeah thanks, that's what i understood...
The only thing is that i don't have jitter 1.5 here...
Do you think it's possible without loosing image quality ?
Otherwise... i'll have to get Jitter 1.5...
Thanks

if you're pre-1.5, there is also the jit.bixcp object set,

http://www.bix.at/software/main_tools.html

if I remember correctly they only send 1 plane matrices, but you can 

glue the planes together and cut them loose after receiving, depending 

on the size you need: there's a limitation to the maximum matrix size 

having to do with the maximum size of the packets you can send, but 

there's all kinds of workarounds possible (sending r, g, b seperately, 

cutting your matrix to pieces and assembling them etc.)

-------------------------------------------

"The mystery of the world is the visible, not the invisible"

if you're pre-1.5, there is also the  jit.bixcp object set,
for download at http://www.bix.at/software/main_tools.html

if I remember correctly they only send 1 plane matrices, but you can 
glue the planes together and cut them loose after receiving, depending 
on the size you need: there's a limitation to the maximum matrix size 
having to do with the maximum size of the packets you can send, but 
there's all kinds of workarounds possible (sending r, g, b seperately, 
cutting your matrix to pieces and assembling them etc.)

                         Joost Rekveld
-----------    http://www.lumen.nu/rekveld

"The mystery of the world is the visible, not the invisible"
(Oscar Wilde)

On 14-Jun-2006, at 18:19, Joost Rekveld wrote:

> if you're pre-1.5, there is also the jit.bixcp object set,

> if I remember correctly they only send 1 plane matrices, but you 

> can glue the planes together and cut them loose after receiving, 

BIXCP is indeed a grayscale (in Jitter-speak: single plane) protocol. 

The original jit.bixcp objects had an additional limitation based on 

the hardware used for the "Medienfassade" at the Graz Kunsthaus (for 

which BIXCP was designed). The Medienfassade was 64x25. Mind you, 

The maximum pixel count was raised to just over 32,000 in the 

commercial versions of the BIXCP objects, distributed with the Litter 

Bundle for Jitter. The limitation was actually based on the maximum 

amount of memory that Max could allocate on the fly at the time the 

bixcp objects were ported to Windows. If there were a demand it would 

now, I think, be possible to double that upper bound.

Peter Castine +--> Litter Power & Litter Bundle for Jitter

iCE: Sequencing, Recording & |home | chez nous|

Interface Building for |bei uns | i nostri|

On 14-Jun-2006, at 18:19, Joost Rekveld wrote:
> if you're pre-1.5, there is also the  jit.bixcp object set,
> for download at http://www.bix.at/software/main_tools.html
>
> if I remember correctly they only send 1 plane matrices, but you  
> can glue the planes together and cut them loose after receiving,  
> depending on the size you need

BIXCP is indeed a grayscale (in Jitter-speak: single plane) protocol.  
The original jit.bixcp objects had an additional limitation based on  
the hardware used for the "Medienfassade" at the Graz Kunsthaus (for  
which BIXCP was designed). The Medienfassade was 64x25. Mind you,  
those were *big* pixels.

The maximum pixel count was raised to just over 32,000 in the  
commercial versions of the BIXCP objects, distributed with the Litter  
Bundle for Jitter. The limitation was actually based on the maximum  
amount of memory that Max could allocate on the fly at the time the  
bixcp objects were ported to Windows. If there were a demand it would  
now, I think, be possible to double that upper bound.

--------------    http://www.bek.no/~pcastine/Litter/    -------------
Peter Castine             +--> Litter Power & Litter Bundle for Jitter

fire-i camera can send to 2 powerbooks at the same time (has 2 firewire 

fire-i camera can send to 2 powerbooks at the same time (has 2 firewire 
ports)
check http://unibrain.com/

unibrain is excellent, its worth the 100$

i haven't tried sending it to 2 outputs. from what i understand the

second firewire port on the unibrain is a pass through.

also, unibrain cameras can get there power from the firewire port or

from external dc , is power over firewire available on a powerbook FW

unibrain is excellent, its worth the 100$
full control from max (mac only)
screw mounted lens
daisy chain passthrough
i also bought a 10m cable from them.

i haven't tried sending it to 2 outputs. from what i understand the
second firewire port on the unibrain is a pass through.
Kosma, have you tried this?
also, unibrain cameras can get there power from the firewire port or
from external dc , is power over firewire available on a powerbook FW
port?


Only one cpu can grab it at a time. Its fun battling for it by 

stopping and starting jit.qt.grab on the respective machines, but its 

an either or not simultaneous proposition.

Hello,
Only one cpu can grab it at a time. Its fun battling for it by  
stopping and starting jit.qt.grab on the respective machines, but its  
an either or not simultaneous proposition.
Barney


yes, as i said it works for 2 computers,
at least for me...

1 webcam on two computers