[Bug 677401] New: AC3 parser doesn't accept "audio/x-ac3"

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=677401
  GStreamer | gst-plugins-good | 0.11.x

           Summary: AC3 parser doesn't accept "audio/x-ac3"
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Mac OS
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matej.knopp at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=215565)
 View: https://bugzilla.gnome.org/attachment.cgi?id=215565
 Review: https://bugzilla.gnome.org/review?bug=677401&attachment=215565

Patch

(there might be similar issue for other parsers)

AC3 parser has "audio/x-ac3" in sink template caps, but will refuse caps event
until it contains channels and rate;

The caps get refused in event pre-check, which queries AC3 parser sink caps to
test if new caps is subset of it; However the sink pads are created in
gst_ac3_parse_get_sink_caps which copies the caps from SRC pad - where there is
channels and rate already set.

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