[gstreamer-bugs] [Bug 564863] New: Caps are not propagated from a ghostpad's target to the ghostpad

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Wed Dec 17 07:03:21 PST 2008


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  GStreamer | gstreamer (core) | Ver: HEAD CVS
           Summary: Caps are not propagated from a ghostpad's target to the
                    ghostpad
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: alessandro.d at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


The attached patch fixes the following case:

        src = gst_pad_new_from_template (src_template, "src");
        ghost_src = gst_ghost_pad_new ("ghostsrc", src);
        sink = gst_pad_new_from_template (sink_template, "sink");
        fail_unless (gst_pad_link (ghost_src, sink) == GST_PAD_LINK_OK);

        caps1 = gst_caps_from_string ("meh");
        fail_unless (gst_pad_set_caps (src, caps1));

        caps2 = GST_PAD_CAPS (ghost_src);
        fail_unless (gst_caps_is_equal (caps1, caps2));
        gst_caps_unref (caps1);

The bug is noticeable with decodebin2. Once you get a new decoded pad
with unfixed caps, if you connect to the pad's notify::caps signal the callback
is never called even if there is data flow.


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