[Bug 679545] New: Using adder plugin breaks the pipeline

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=679545
  GStreamer | gst-plugins-base | 0.11.x

           Summary: Using adder plugin breaks the pipeline
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bigwhale at lubica.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


This is the pipeline that I am trying to use:

gst-launch-1.0 -v audiotestsrc freq=100 ! adder name=mix ! audioconvert !
pulsesink audiotestsrc freq=500 ! mix.

And it will result in this output:
---------------------------------------
bigwhale at thefish:~/Code/Kazam/unstable/bin$ gst-launch-1.0 -v audiotestsrc
freq=100 ! adder name=mix ! audioconvert ! pulsesink audiotestsrc freq=500 !
mix.
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc1.GstPad:src: caps =
audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_0: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_0: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_0: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAudioTestSrc:audiotestsrc0.GstPad:src: caps =
audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_1: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_1: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
/GstPipeline:pipeline0/GstAdder:mix.GstPad:sink_1: caps = audio/x-raw,
format=(string)S16LE, layout=(string)interleaved, rate=(int)44100,
channels=(int)1
ERROR: from element /GstPipeline:pipeline0/GstAudioConvert:audioconvert0: not
negotiated
Additional debug info:
gstbasetransform.c(2076): gst_base_transform_handle_buffer ():
/GstPipeline:pipeline0/GstAudioConvert:audioconvert0:
not negotiated
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

----------------------------------------------
Pipeline without adder works as expected.

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