[gstreamer-bugs] [Bug 456573] New: allow dumping pipelines as dot graphs

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS
           Summary: allow dumping pipelines as dot graphs
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: ensonic at sonicpulse.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unversioned Enhancement
   GNOME milestone: Unspecified


The patch allows to dump a pipeline as a graphviz dot graph. This can be
rendered to an image for debugging or documentation purpose.

It comes with two macros to invoke it:

GST_DEBUG_BIN_TO_DOT_FILE(bin, file_name)
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(bin, file_tmpl)

The latter allows to dump a sequence of dots files, e.g. to investigate
negotiation or state changes.

I like to receive feed back about how element states and pad states could be
visualized.

Making an animation from a sequence of dot files is kind of ongoing. Problem #1
is that the images are simply huge and #2 they change size and layout.


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