[gstreamer-bugs] [Bug 509391] New: delayed set_property for gst-launch

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS
           Summary: delayed set_property for gst-launch
           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: Unspecified
   GNOME milestone: Unspecified


when using gst-launch with child-proxy its needed to be able to set properties
on objects that are going to be created

for a practical example: with the patch one can do set the xpos/ypos for
videomixer-pads on the commandline like this:

gst-launch videomixer name=mix sink_0::xpos=100 sink_0::ypos=100 !
ffmpegcolorspace ! xvimagesink \
\
videotestsrc pattern=1 ! video/x-raw-yuv, framerate=\(fraction\)10/1,
width=100, height=100 ! videobox border-alpha=0 alpha=0.5 top=-70 bottom=-70
right=-220 ! mix.sink_0 \
\
videotestsrc ! video/x-raw-yuv, framerate=\(fraction\)5/1, width=320,
height=240 ! alpha alpha=0.7 ! mix.sink_1


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