Bug ID: 14474
           Summary: AVTP control frames are not decoded.
           Product: Wireshark
           Version: 2.4.5
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: Major
          Priority: Low
         Component: Dissection engine (libwireshark)
  Target Milestone: ---

Created attachment 16183
AVTP control packet capture

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
Wireshark does not decode AVTP control frames.
The MSB of the first byte after Ether type(0x22F0), is the CD bit which
indicates Control packet or data packet.

In the attached pcap the CD bit is 1 hence it needs to be decode as AVTP
control packet, but the packet is not decoded as control packet.
If the CD bit is 0 wireshark decodes the packet correctly as AVTP
streaming/data packet.

Attaching a pcap of AVTP control packet.

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