[gstreamer-bugs] [Bug 319573] New: Internal GStreamer error: pad problem.

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | don't know | Ver: 0.8.11

           Summary: Internal GStreamer error: pad problem.
           Product: GStreamer
           Version: 0.8.11
          Platform: Other
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: don't know
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: kengruven at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
                CC: all-bugs at bugzilla.gnome.org


Please describe the problem:
I tried to use gst-launch to play the contents of a music CD.  I don't know
exactly what to expect, but it printed the message "Internal GStreamer error:
pad problem.  File a bug.", so here I am.

Steps to reproduce:
1. Open a Terminal window
2. Type the command "gst-launch cdplayer device=/dev/cdroms/cdrom0 ! spider !
esdsink"
3. (but replace /dev/cdroms/cdrom0 with the device name for your CD-ROM drive)

Actual results:
$ gst-launch cdplayer device=/dev/cdroms/cdrom0 ! spider ! esdsink
WARNING: erroneous pipeline: could not link cdplayer0 to spider0
         Trying to run anyway.
RUNNING pipeline ...
ERROR: from element /pipeline0/spider0/sink_ident: Internal GStreamer error: pad
problem.  File a bug.
Additional debug info:
gstpad.c(3377): gst_pad_pull: /pipeline0/spider0/sink_ident:
pull on pad sink_ident:sink but it was unlinked
Execution ended after 1 iterations (sum 44599000 ns, average 44599000 ns, min
44599000 ns, max 44599000 ns).


Expected results:
Either a normal "pipeline didn't want to run" error, or (even better) start
playing the music CD.

Does this happen every time?
Yes, it's 100% repeatable.

Other information:
I have a music CD in the drive.  When I type this command, the light on the
drive blinks.  I use this drive in other programs regularly.

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