[Bug 693607] New: Limited information regarding GST_DEBUG_DUMP_DOT_DIR

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=693607
  GStreamer | documentation | 1.0.5

           Summary: Limited information regarding GST_DEBUG_DUMP_DOT_DIR
    Classification: Platform
           Product: GStreamer
           Version: 1.0.5
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: documentation
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: ian_e_davidson at yahoo.co.uk
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


The man pages for gst-launch etc describe the use of the environment variable
GST_DEBUG_DUMP_DOT_DIR to create dot files - but give no clue as to how the dot
files should then be processed.

It would be good to (at least) mention that you need graphviz installed to
generate the picture - and then dot could be listed in the 'See Also' section.

The impression is given that the environment variable applies to any
application using GStreamer - but this only applies if the application uses the
appropriate macros.  If some reference could be made the the macros to use,
that would help in the search.

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