Wireshark mailing list archives

Re: RTP-MIDI strange field masks?


From: Tomasz Moń <desowin () gmail com>
Date: Thu, 8 Jul 2021 20:46:02 +0200

On Thursday, July 8, 2021, Martin Mathieson via Wireshark-dev <
wireshark-dev () wireshark org> wrote:

These mask fields (0x7f7f, 0x7f7f7f7f, etc) look wrong to me, but I am
worried I might be missing something?


Seems perfectly fine to me. This dates back to MIDI over serial line where
the most significant bit indicates realtime event. Realtime events can
appear anytime on the serial line. Normal communication, including system
exclusive messages, always have most significant bit cleared.
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