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i'm having a problem with ARToolKit for the recognition of multiple markers. For train pc on my new markers i have to launch :MK_PATT But when i insert the camera parameter filename ,i have this error message:

{ `Using supplied video config string [videotestsrc]. libARvideo: GStreamer 0.10.36

(mk_patt:2895): GLib-GObject-WARNING **: invalid cast from GstVideoTestSrc' toGstBin'

(mk_patt:2895): GStreamer-CRITICAL **: gst_bin_get_by_name: assertion GST_IS_BIN (bin)' failed Pipeline has no element named 'artoolkit'! setupCamera(): Unable to open connection to camera. main(): Unable to set up AR camera. }

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1 Answer 1

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Add

identity name=artoolkit

To either your ARTOOLKIT_CONFIG var or your vconf variable depending on how you are handling it.

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