[Bug 742325] New: ac3parse: requests minimum frame size that is too small

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=742325
  GStreamer | gst-plugins-good | git

           Summary: ac3parse: requests minimum frame size that is too
                    small
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            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=293708)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=293708)
Patch to request at least 8 bytes from baseparse

When parsing AC3 headers the parser reads 7-8 bytes (depending on channel
count) but only requests minimum of 6 bytes from baseparse. On some packets
this leads to reading beyond valid data, which at best results in incorrect
reported channel count.

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