[Bug 768939] New: mpegtsdemux: Fix definition of ATSC for AC-3 audio

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=768939

            Bug ID: 768939
           Summary: mpegtsdemux: Fix definition of ATSC for AC-3 audio
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Mac OS
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: dongil.park at lge.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Created attachment 331751
  --> https://bugzilla.gnome.org/attachment.cgi?id=331751&action=edit
mpegtsdemux: Fix definition of ATSC for AC-3

The ATSC specification was described in ATSC A/65:2013 for MPEG-2 Transport
Stream.
There is mismatch between the specification document and gstmpegtsdescriptor
code.
So I moved descriptor_tag(0x81) as defined in GstMpegtsMiscDescriptorType to
ATSC field and removed the unused descriptor_tag(0x83) defined in
GstMpegtsATSCDescriptorType.

Additionally, I added a descriptor_tag(0xCC) for E-AC-3 audio stream.
Thanks.

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