Wireshark · Wireshark-dev: Re: [Wireshark-dev] MPEG2-TS, DVB-SI, and DVB-GSE Dissectors

[Alexander Adolf <alexander.adolf@xxxxxxxxxxxxxxxxxxx>]

Hello Martin,

On 2017-03-17, at 16:22 , Martin Kaiser <lists@xxxxxxxxx> wrote:

> [...]
> good to see you again. We worked together in the DVC-CI+ group back in
> 2014.

Good seeing you again! I believe to remember it was the meeting in Munich?

> I hope that I told you about Wireshark's CI+ dissector then ;-)

Yu did indeed. ;)

> [...]
> There's no such thing as a "high-level introduction to the DVB-related
> functionality" document.

Which I hadn't expected anyway.

> There is, however, doc/README.dissector, which is worth a read.

I'm studying this at the moment. But there's always the moment when you're convinced you had followed all instructions meticulously, but it still won't work. That's when a little hint from a more experienced developer comes handy.

>> (1) A little bit of streamlining of how DVB PSI/SI is presented when
>> analysing MPEG2-TS. I could e.g. imagine it to help readability if the
>> PID were shown in the source and/or destination address field. Also,
>> when interpreting DVB PSI/SI tables, some interpretations of
>> identifiers doesn't seem to be quite accurate. 
> 
> That sounds like a good starting point: Find a field that we don't
> interpret correctly. Try to find out where it's defined and modify it.
> Try to come up with a small and simple modification for the first patch.
> If you get stuck along the way, let me know which field you're looking
> at and prepare a ts file that you can share with us.
> [...]

Sounds like a plan. My first patch should be... posted here?


Many thanks and looking forward to your thoughts,

  --alexander