Re: [AVT] RFC 3984 Packetization 0 question

[Randell Jesup <rjesup at wgate.com>]

"Rod Hill" <RHill at trinityconvergence.com> writes:
>RFC 3984 states that 
>
>When the value of packetization-mode is equal
>                        to 0 or packetization-mode is not present, the
>                        single NAL mode, as defined in section 6.2 of
>                        RFC 3984, MUST be used.
>
>But how does 6.2 handle Single NALs > Max MTU size. Surely use of one of
>the  FU schemes is the only reliable way to send such a NAL, or are we
>supposed to rely on IP fragmentation/reconstitution to get the NAL
>across a network?

Solutions:

a) Don't create NALs longer than MTU - set a maximum slice size or some
   such so that the encoder will avoid doing that (preferred).
b) Rely on fragmentation (generally risky and with downsides).
c) Don't use mode 0, use mode 1.  Warning: some people don't do mode 1.
   Even worse, some don't look at packetization-mode at all.  Fun.

-- 
Randell Jesup, Worldgate (developers of the Ojo videophone), ex-Amiga OS team
rjesup at wgate.com
"The fetters imposed on liberty at home have ever been forged out of the weapons
provided for defence against real, pretended, or imaginary dangers from abroad."
		- James Madison, 4th US president (1751-1836)


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