Wireshark-dev: Re: [Wireshark-dev] RTP-MIDI

From: Jaap Keuter <jaap.keuter@xxxxxxxxx>
Date: Tue, 10 Oct 2006 18:49:31 +0200 (CEST)
Hi,

And on top of that, could the hardcoded values be replace by meaningfull
symbols. Anders' remark may also remove the need for all those
rather atypical text-string-printf-handling-add-type constructs.

Thanx,
Jaap

On Tue, 10 Oct 2006, Anders Broman (AL/EAB) wrote:

> Hi,
> Couldn't the get_short_manu/get_long_manu constructs be replaced by
> A const value_string
> static const value_string foo_vals[] = {
>   {   1, "Sequential Circuits" },
> 	:
>   { 0, NULL }
> };
>
> and a
> proto_tree_add_item()or roto_tree_add_uint()
> And a hf var
> Of
> 	{ &hf_foo,
>       { "Manufacturer", "rtpmidi.Manufacturer",
>         FT_UINT32, BASE_DEC, VALS(foo_vals), 0,
>         "Manufacturer", HFILL }},
>
> BR
> Anders
>
> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Tobias Erichsen
> Sent: den 10 oktober 2006 10:36
> To: Developer support list for Wireshark
> Subject: Re: [Wireshark-dev] RTP-MIDI
>
> Hi again,
>
> I have done the changes I described earlier.  Attached in the archive you find the newest source-code version of the RTP-MIDI dissector- plugin...
>
> I would appreciate it much, if someone could check whether this compiles & works on Linux as well...
>
> Best regards,
> Tobias
>
> > -----Urspr??ngliche Nachricht-----
> > Von: wireshark-dev-bounces@xxxxxxxxxxxxx
> > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] Im Auftrag von Anders
> > Broman
> > Gesendet: Dienstag, 10. Oktober 2006 07:16
> > An: Developer support list for Wireshark
> > Betreff: Re: [Wireshark-dev] RTP-MIDI
> >
> > Hi,
> > At a quick glance you need to change the C++ style comments // To /*
> > */ as all compilers do not like them.
> > Best regards
> > Anders
> >
> > -----Ursprungligt meddelande-----
> > Fr??n: wireshark-dev-bounces@xxxxxxxxxxxxx
> > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] F??r Tobias Erichsen
> > Skickat: den 8 oktober 2006 19:55
> > Till: Developer support list for Wireshark
> > ??mne: Re: [Wireshark-dev] RTP-MIDI
> >
> > Well - here we go...
> >
> > Attached you will find two files:
> >
> > rtpmidi.zip -> the source of the rtp-midi plugin capture.zip
> > -> an archive which contains two captures of rtp-midi-data
> >
> > The specification that is the basis for this dissector is:
> > http://www.cs.berkeley.edu/~lazzaro/sa/pubs/txt/current-rtp-midi.txt
> >
> > The code compiles under Windows (cygwin & vs 6), I have not tried
> > compiling it with linux, so anyone who wants to give it a try, please
> > do so.
> >
> > Additionally, I guess that the things I have done in the dissector
> > could probably optimized. I have just used calls that I got a glimpse
> > of within some of the other dissectors (rtp & rtp-events, rudp).
> > So comments on how to improve the code are highly welcome ;-)
> >
> > Best regards,
> > Tobias
> >
> >
> > > -----Urspr??ngliche Nachricht-----
> > > Von: wireshark-dev-bounces@xxxxxxxxxxxxx
> > > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] Im Auftrag von Tobias
> > > Erichsen
> > > Gesendet: Freitag, 6. Oktober 2006 07:48
> > > An: Developer support list for Wireshark
> > > Betreff: Re: [Wireshark-dev] RTP-MIDI [heur]
> > >
> > > I will do some final code-cleaning over the next couple of days, do
> > > some more testing and will post the code here some time during the
> > > weekend...
> > >
> > > Tobias
> > >
> > >
> > > > -----Urspr??ngliche Nachricht-----
> > > > Von: wireshark-dev-bounces@xxxxxxxxxxxxx
> > > > [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] Im Auftrag von
> > > Erwin Rol
> > > > Gesendet: Donnerstag, 5. Oktober 2006 23:21
> > > > An: Developer support list for Wireshark
> > > > Betreff: Re: [Wireshark-dev] RTP-MIDI
> > > >
> > > > On Thu, 2006-10-05 at 23:15 +0200, Tobias Erichsen wrote:
> > > > > The problem is that RTP-MIDI does some "tweaking" to the
> > > MIDI-data.
> > > > > For example: System-Exclusive-data can be segmented
> > into multiple
> > > > > RTP-frames by ending a segment with a Status-Byte that
> > > > would normally not be there.
> > > > > Another thing is the fact that Realtime-Status-Bytes (just
> > > > one octet
> > > > > long) can be at any position in a "normal" midi-stream, but in
> > > > > RTP-MIDI they always "stand alone"...
> > > >
> > > > But they still share a lot of "code", like all the command
> > > > descriptions etc.  Maybe the RTP-MIDI dissector can just be
> > > extended
> > > > to also do normal MIDI (one MIDI message per packet kind).
> > > >
> > > > But anyway i hope your dissector is added soon, good work :-)
> > > >
> > > > - Erwin
> > > >
> > > >
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> > >
> >
> >
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