>On Tuesday, October 2, 2001, at 01:18 , Kevin Marks wrote:
>
>> Here you seem to imply that the packets are to do with RTP networking
>> units. For DV do you use the DV RFC to decide these? Or are they
>> arbitrary? You have 2 size-limited structures overlaid on each other,
>> neither of which necessarily corresponds to a fundamental data unit of
>> the underlying media.
>
>It sounds like you're still not understanding the intention. Packets are
>the fundamental units of data the encoder produces. In the case of
>vorbis, we use the same packets for rtp and for ogg, and I believe they
>were deliberately chosen to be of a size that made that practical. For
>other formats one is free to choose whatever's convenient.
>
>Pages are the framing, sync, interleave and error detection layer. They
>do that on whatever opaque packets the codec gives it. Packets can span
>pages, so the 64k size limit applies only to how the framing layer
>works, not what the codec sees.
>
>Which RFC talks about the DV format? I thought the spec was payware from
>smpte.
>
It's still a draft :
http://www.ietf.org/internet-drafts/draft-ietf-avt-dv-video-04.txt
Marshall
>>
<snip>
Marshall Eubanks
tme@21rst-century.com
--- >8 ----
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