TYVM :-)
On 12/4/07, Jaap Keuter <jaap.keuter@xxxxxxxxx> wrote:
Hi,
Committed revision 23743 adding UDP transport for MPEG2TS, both
heuristic and "Decode as".
Thanx,
Jaap
Jake Peavy wrote:
> On 12/3/07, *maurizio simoni* <mau2000.sim@xxxxxxxxx
> <mailto:mau2000.sim@xxxxxxxxx
>> wrote:
>
> MPEG2TS can be also detected in a heuristic way if transported over UDP.
> These are some rules that can be applied:
> 1) UDP payload length must be a multiple of 188 (usually a UDP
> packet contains an integer number of TS packets, where each TS
> packet is 188 bytes).
> 2) The first octet of each TS packet inside the UDP payload must be
> equal to 0x47 (sync byte)
> 3) At least 2 or 3 consecutives UDP packets satisfying rules 1) and
> 2) onthe same IP address and UDP port.
> <http://www.wireshark.org/mailman/listinfo/wireshark-users
>
>
>
> I see heuristic detection of MPEGTS as a Step 2 of this process.
>
> In the meantime I have no problem manually instructing Wireshark to
> Decode As... but the question remains - how to have Wireshark dissect
> MPEGTS payloads in UDP encapsulated streams? Nobody has answered this
> question. MPEGTS is not in the list of available dissectors though it
> works "out of the box" on RTP encapsulated streams.
>
> --
> -jp
>
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--
-jp
When Chuck Norris was in middle school, his English teacher assigned an essay: "What is Courage?" Chuck Norris received an "A+" for writing only the words "Chuck Norris" and promptly turning in the paper.
