[Bug 736474] New: vc1parse: malformed sequence layer header and STRUCT_C

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=736474
  GStreamer | gst-plugins-bad | git

           Summary: vc1parse: malformed sequence layer header and STRUCT_C
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: aurelien.zanelli at parrot.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I was playing around with vc1parse to see how I can implement format conversion
and I think I found that sequence layer header and STRUCT_C are malformed when
they are created in update_caps().

For STRUCT_C, some reserved bits are not set to their required value as
specified by SMPTE 421M Annex J.

For Sequence Layer, defined in Annex L, 0x00000004 unsigned integer is before
STRUCT_C and sequence layer shall be represented as a sequence of 32 bits
unsigned integers and shall be serialized in little-endian byte order except
for STRUCT_C which shall be serialized in big-endian byte-order.

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