Wireshark mailing list archives

Re: Enhancement-Request: RTP-MIDI dissector


From: "Tobias Erichsen" <mailinglists () tobias-erichsen de>
Date: Thu, 9 Dec 2010 18:46:51 +0100

Hi Dirk,

the problem is that this is probably non-trivial:

MIDI has something that is called "running-status" where some commands
are abbreviated by ommiting the first octet if that is the same in
the consecutive commands.

I really don't know how I could do the MIDI-dissection without knowing
where the actual Status-Byte comes from (in RTP-MIDI each packet still
contains a "phantom" running-status at the beginning of the command
section).  This might not be the case for all ip-based MIDI-protocols...

Tobias


-----Ursprüngliche Nachricht-----
Von: wireshark-dev-bounces () wireshark org 
[mailto:wireshark-dev-bounces () wireshark org] Im Auftrag von 
Dirk Jagdmann
Gesendet: Donnerstag, 9. Dezember 2010 17:47
An: Developer support list for Wireshark
Betreff: Re: [Wireshark-dev] Enhancement-Request: RTP-MIDI dissector

Tobias Erichsen wrote:
Hi everyone,is there anyone who can give me some feedback 
on the time 
it will take,until someone takes a look at my enhancement 

request:https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=54
51Thanks 
a lot...Best regards,Tobias

So far I have only looked at your code and it looks fine. 
However there are some other MIDI over network (on different 
layers) protocols out there. Since you have made such a nice 
general MIDI dissector, how about factoring out that into a 
separate "module", which can be called from other/future 
dissectors, so that we don't need to have a new MIDI 
dissection implementation for other protocols.

-- 
---> Dirk Jagdmann
----> http://cubic.org/~doj
-----> http://llg.cubic.org
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