[Bug 728987] New: qtdemux: 'caps' may be used uninitialized in this function.

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=728987
  GStreamer | gst-plugins-good | git

           Summary: qtdemux: 'caps' may be used uninitialized in this
                    function.
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: luis at debethencourt.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


When building with -Werror=maybe-uninitialized we get:

qtdemux.c: In function 'qtdemux_parse_tree':
qtdemux.c:7480:18: error: 'caps' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
     stream->caps =
                  ^
qtdemux.c:10459:12: note: 'caps' was declared here
   GstCaps *caps;
            ^


Because in qtdemux_video_caps not all cases set the caps pointer to a value and
the pointer isn't initialized at declaration.

Please confirm so I can push.

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