[gstreamer-bugs] [Bug 550486] New: [faac] Negotiation problem with mono audio for some sample rates

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gst-plugins-bad | Ver: HEAD CVS
           Summary: [faac] Negotiation problem with mono audio for some
                    sample rates
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: mail at renestadler.de
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


This works:

gst-launch-0.10 audiotestsrc num-buffers=5 ! audioconvert !
audio/x-raw-int,channels=2,rate=16000 ! faac ! fakesink

Change the channels to mono and it fails:

gst-launch-0.10 audiotestsrc num-buffers=5 ! audioconvert !
audio/x-raw-int,channels=1,rate=16000 ! faac ! fakesink

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element /pipeline0/faac0: Internal GStreamer error: negotiation
problem.  Please file a bug at
http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer.
Additional debug info:
gstfaac.c(640): gst_faac_chain (): /pipeline0/faac0:
failed to negotiate MPEG/AAC format with next element
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
FREEING pipeline ...


Compare this to e.g. 44100 Hz, where the number of channels doesn't matter:

gst-launch-0.10 audiotestsrc num-buffers=5 ! audioconvert !
audio/x-raw-int,channels=1,rate=44100 ! faac ! fakesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Got EOS from element "pipeline0".
Execution ended after 4097721 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
FREEING pipeline ...


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