[xiph-rtp] header caching and chaining

[Phil Kerr]

Hi Geoff,

Comments are always welcomed.

Cheers

Phil

Geoff Shang wrote:

> Hi,
>
> I am not an expert on protocols, only a consumer with interest in this 
> field.
>
> Those of us using vorbis streams so far rely on the ability to chain 
> streams for providing metadata updates.  So streaming title and artist 
> information, etc.  Now I don't think we should lose this ability 
> unless there's a good reason for losing it.  Whether this is the best 
> mechanism for conveying this info is another question, and if it can 
> be carried without support for chained bitstreams then I guess that's 
> fine.
>
> I do also like the idea of being able to change audio format, as it's 
> a big plus over MP3, but I realise I'm a voice of 1 and may get 
> shouted down on this one.  Icecast has this nice ability to switch to 
> and from backup feeds, and I'd be concerned if this was not available 
> in a future RTP mode.
>
> I also presume that scaling down to a lower bitrate version of a 
> stream due to bandwidth limitations might also be affected if chaining 
> is not supported.
>
> Just my thoughts,
> Geoff.
>
>