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 <[email protected]>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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