[PD] live pd patch mixed with Gem or pdp?
johnharrisonwsu at gmail.com
Mon Aug 30 18:26:53 CEST 2010
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 at 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
> > 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...
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