[Bug 744134] New: gst-plugin-scanner should show the plugin emitting errors and warnings

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Sat Feb 7 09:49:55 PST 2015

  GStreamer | gstreamer (core) | 1.4.5

           Summary: gst-plugin-scanner should show the plugin emitting
                    errors and warnings
    Classification: Platform
           Product: GStreamer
           Version: 1.4.5
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: pachoramos1 at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
                CC: gstreamer at gentoo.org
     GNOME version: ---

Created an attachment (id=296333)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=296333)

On Gentoo we run compilations inside a sandbox system to prevent unwanted
access to files and devices from "real" system. That way, we are getting now
errors as gst-plugin-scanner wants to access to /dev/video0 directly. 

Probably this access is due to a plugin loaded by gst-plugin-scanner but, as it
doesn't show any more output than:
(gst-plugin-scanner:23320): Clutter-CRITICAL **: Unable to initialize Clutter:
Unable to open display ':0'

(gst-plugin-scanner:23320): GStreamer-CRITICAL **: gst_structure_new_empty:
assertion 'gst_structure_validate_name (name)' failed
 * ACCESS DENIED:  open_wr:      /dev/video0

It's near impossible to know what plugin is causing this issue

The attached full build.log is from farstream-0.2.6, whose building calls
gst-plugin-scanner and hits this problem

Thanks a lot

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