ola,
pdp_capture was working once with an old version of ImageMagick but anyway it was too slow, so now its compilation is made optional, it is a bit abandonware..
use webcamstudio instead ( http://www.ws4gl.org/ ), it does the same as gstreamer that Iohannes recommends, but with an interface... it will output the screenshots to a vloopback device ..
about the disposition on the screen, no eye deer ..
ahoj! sevy
John Harrison wrote:
is there a way to do these screenshots such that they don't actually show up on a screen visible to the user i.e I don't have to show the raw Pd patch to the user, only the mix? This is a 2-headed machine (one machine --- I'll use 2 if I absolutely have to) and the plan is to show a Gem or pdp window fullscreen on one head and a pdp window fullscreen on the other. This leaves me not sure where to put the Pd patch for the screenshots.
On Mon, Aug 30, 2010 at 10:44 AM, IOhannes m zmoelnig <zmoelnig@iem.at mailto:zmoelnig@iem.at> wrote:
On 2010-08-30 17:04, John Harrison wrote: > I'd like to take a patch from a pd window and mix it live with a Gem or pdp > window. pdp_capture would have been the ticket, but I can't get it to > compile and looking at the archives of this list, it doesn't seem like > others have had luck with it either. Any other ideas for me? > a bit complicated, but you can do that by doing screenshots with gstreamer, send it to a videoloopback device and read that (with pdp, Gem, GridFlow or whatelse) - get v4l2loopback (http://code.google.com/p/v4l2loopback/) compile, install, load the module - get gst-v4l2loopback (http://github.com/umlaeute/gst-v4l2loopback) compile (need gst-plugin-base-dev), install run the gstreamer-pipeline, e.g. $ gst-launch ximagesrc use-damage=false startx=0 starty=0 endx=640 endy=480 ! queue ! ffmpegcolorspace ! v4l2loopback access the video using [pix_video], [pdp_v4l2] [#camera] or cat running here. this of course only grabs a portion of the screen, rather than a window and track that... fgmadfs IOhannes
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