Re: ROHCv2 Packet Formats

Carl Knutsson <[email protected]> Mon, 16 Nov 2009 13:00:23 +0100
Newsgroups gmane.ietf.rohc
Message-ID <[email protected]>
Klaus Warnke wrote:
> At Thu, 12 Nov 2009 12:01:20 +0100,
> Carl Knutsson wrote:
>> Klaus Warnke wrote:
>>> At Wed, 11 Nov 2009 17:07:05 +0100,
>>> Carl Knutsson wrote:
>>>> Hi Anil, Klaus,
>>>>
>>>> Just to avoid any misunderstanding, I want to add one comment to
>>>> Klaus answer. The IR packet doesn't reinitialize the whole
>>>> context. So you cannot automatically reset the decompressor
>>>> context at the reception of an IR packet (see RFC 4995 section
>>>> 5.1.3. and section 5.2.2).
>>> Which value(s) are not updated with the IR packet(rfc 5225
>>> 6.8.1.)?  Could you please give an example?
>>>
>> The CSRC translation table for example.
> 
> And what is about the csrc_list in the rtp_dynamic format?
> 
> If there are csrc values (cc.UVALUE parameter for csrc_list_dynchain
> encoding method > 0), a csrc_list must sent. Or did I unterstood
> something wrong?

The CSRC list must always be sent in the dynamic chain, but there is a
difference between the CSRC list and the CSRC translation table
(index-item mapping).

cheers,

/Calle