On Sep 30, 2008, at 4:55 AM, awy wrote:

>
> Andy,
>
> Are you referring to the length of the data chunk, or more? The
> Start-position timestamp and Duration?
>
> The spec also says that one is constrained to seek to an exact packet
> boundary within the AFS stream. I cannot see an easy way of  
> identifying
> such points other than seeking through the whole stream.

Yeah the top-level ASF header has:
File Size
Data Packet Count
Play Duration

and then there's other stuff like the Stream Properties Object.  I'm  
not entirely sure which values need to be changed when sending a  
seeked file.  Some of these may not be necessary if we changed the  
stream type to 'broadcast' (i.e. a live stream).  I'm also not sure if  
the decoder actually cares about some of these values.
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