[Bug 695606] audiodecoder, ac3parse: Totem won't play 5.1 surround DVDs

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=695606
  GStreamer | gst-plugins-base | 1.0.5

Tim-Philipp Müller <t.i.m> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |UNCONFIRMED
          Component|don't know                  |gst-plugins-base
            Summary|Totem won't play 5.1        |audiodecoder, ac3parse:
                   |surround DVDs               |Totem won't play 5.1
                   |                            |surround DVDs

--- Comment #5 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-03-12 10:15:59 UTC ---
The audiosink/ringbuffer complains about not-negotiated, i.e. not having
received a caps event before getting a buffer or buffer-like event. Two
possible issues come to mind after looking at the log:

1) out of the mpeg demuxer comes audio/x-private1-ac3 - this means ac3parse
doesn't get plugged, which means caps don't get set properly etc.

2) the audio decoder receives a GAP event fairly early on - passing that
through before a CAPS event might throw off the ring buffer as well (maybe the
ring buffer should handle this gracefully though?)

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