Wireshark-bugs: [Wireshark-bugs] [Bug 11921] MPEG2TS NULL pkt: AFC: "Should be 0 for NULL packet
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 23 Dec 2015 16:27:27 +0000

changed bug 11921


What Removed Added
Status INCOMPLETE IN_PROGRESS

Comment # 2 on bug 11921 from 
(In reply to Hubie Newman from comment #0)

> The MPEG2TS dissector incorrectly states that the Adaptation Field Control
> bits on a NULL packet should be zero.  According to ISO standard
> 13818-1-2007 section 2.4.3.3 they should be 01. Message in wireshark is:
> 
> 
> Adaptation Field Control: Payload only (0x00000001) (Should be 0 for NULL
> packets)

You're right, this is incorrect. The spec says that the afc should be 0x01 for
NULL packets. I had a quick look at a recorded stream from Germany, its NULL
packets have afc 0x01.

I'll fix the mp2t dissector accordingly.

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