Wireshark-bugs: [Wireshark-bugs] [Bug 4455] AppleMIDI - dissector for lightweight session protoc
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sun, 7 Feb 2010 17:21:06 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4455

--- Comment #5 from Bill Meier <wmeier@xxxxxxxxxxx> 2010-02-07 17:21:04 PST ---
On another note:

Can you provide a pointer to a document with details about the 
"Apple Network-Midi Session Protocol".

With respect to the dissection of the AppleMidi Sequence Number and the
RT-Sequence Number in the "Receiver Feedback" packets .

1. The AppleMidi SeqNum is being shown as 4 bytes big-endian aka network order;
   The RTP sequence number is being shown as the hi-order (ie first_ two bytes
   of the AppleMidi SeqNum (again in big-endian aka network order).

   Is this correct ?

2. In any case, the 16 bit "ack" sequence number in the data in frame #30 
doesn't match the RT-Sequence number in frame #29. (The hi-order two bytes seem
to be in little-endian rather than big-endian format).

Is the sequence number in the frame incorrect ?

I note, however, that the "ack" in frame #78 *does* match the RT-Sequence # in
frame #77.

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