[gstreamer-bugs] [Bug 621289] New: [RFC] Dynamic element factories

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=621289
  GStreamer | gstreamer (core) | unspecified

           Summary: [RFC] Dynamic element factories
    Classification: Desktop
           Product: GStreamer
           Version: unspecified
        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 target: ---
     GNOME version: ---


The v4l2 media controller kernel interface is quite dynamic. It allows to query
the hardware topology. If we map that to gstreamer we can register
proxy-elements for each camera component (sensor-src, scaler, filters). The
problem here is that one needs to open the media controller device and
enumerate it - it is not static.

It is kind of similar to the plugin dependency mechanism, but we can't just
cehck this from the file-system. It would be ugly if we need udev scripts to
update some topology dump in the file-system when the hardware changes, so the
the plugin dependency mechanism could act on it. Any better idea?

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