[PD] pdp window on another x display

B. Bogart ben at ekran.org
Thu Feb 23 22:45:34 CET 2006

Hi Paris,

Short of the jpeg sequence trick, the svideo output seems to be the
choice for the last years.

Actually you could send the output to gem and then use pix_record which
is new in CVS, apparently issues on Linux, but should work very well on

Now you see why there are so few videos of my work, and lots of stills!!! ;)


Paris Treantafeles wrote:
> haha.. true "yuck"!
> basically the reason why is that i have some patches that use pdp and  i
> can't find a good way to record them.
> i've tried a ton of things including pdp_rec~, pdp_rawout, a fast
> pdp_save_png_sequence, sending svideo out from one machine and
> recording on another, etc. all with less than great results.
> so at this point i thought what if i let one machine do the computing
> and then view and screen record on another? maybe that will give  better
> results.
> thanks for the idea about gdb.
> oddly, pdp_sdl isn't crashing now but it creates a long rectangular
> window and nothing appears in it.
> maybe i'll go back to sending s-video out...
> thanks,
> p
> On Feb 23, 2006, at 3:14 PM, B. Bogart wrote:
>> yuck,
>> Why are you exporting the display rather than running the patch on the
>> same machine your showing it on?
>> since you running on X11 on OSX there are some missing extensions that
>> allow things like video to work well on linux. I guess there is no  video
>> overlay (xv), maybe you can't even do GL on a mac in X11, anyone know?
>> SDL should work though...
>> you can always send the list some debugging info to help tell us  why (at
>> least) the SDL part does not work.
>> start pd with:
>> gdb pd
>> (gdb) run [put your pd flags here]
>> Then when it craches you should get the (gdb) prompt back and you can
>> try typing "bt" to see what function caused the crash.
>> Good luck.
>> .b.
>> Paris Treantafeles wrote:
>>> Hi List,
>>> I've been searching the archives but didn't quite find the advice   that
>>> I need.
>>> Here's the situation.
>>> Two machines.
>>> One running debian, the other running os x.
>>> I'm using X on both and I can export the display to run pd on the
>>> debian machine but display it on the mac.
>>> Pd shows up, I can load a patch etc.
>>> Then I try to have a pdp window show on the mac and no luck - here's
>>> the situation:
>>> 1. pdp_xv seems that the graphics card on my debian box doesn't
>>> support
>>> it.
>>> running xvinfo gives "no adaptors present"
>>> i guess this with a display ipOfMac:0.0
>>> would be the way to go.
>>> 2. pdp_glx - tried sending this a message with the display of the  mac.
>>> it worked for a second then crashes with
>>> X Error of failed request: BadMatch (invalid parameter attributes)
>>> Major opcode of failed request: 150 (GLX)
>>> Minor opcode of failed request: 5 (X_GLXMakeCurrent)
>>> Serial number of failed request: 32
>>> Current serial number in output stream: 32
>>> 3. pdp_sdl
>>> crashes
>>> Any advice on how to do this would really be appreciated!
>>> Thanks,
>>> p
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