[NUT-devel] vorbis global 3 to 1 header mess

[Luca Barbato]

Michael Niedermayer wrote:
> 
> how to parse all the vorbis header variants:
> 
> 1) search for the 1st occurance of 01,'v','o','r','b','i','s'
>    the found match and the following 23 bytes are the 1st header packet
> 2) search for the 1st occurance of 03,'v','o','r','b','i','s' after here
>   3) read an unsigned integer of 32 bits and skip that many bytes
>   4) [user_comment_list_length] = read an unsigned integer of 32 bits
>   5) iterate [user_comment_list_length] times {
>        6) read an unsigned integer of 32 bits and skip that many bytes
>      }
>   7) skip 1 byte
> 8) the match in 2) and what follows until here is the 2nd header packet
> 9) search for the 1st occurance of 05,'v','o','r','b','i','s' after here
>    the matching part and what follows is the 3rd header packet
> 
> if there are no objections then ill propose this on vorbis-dev
> spelling fixes and other suggestions welcome
> 
> [...]

Looks ok.

lu

-- 

Luca Barbato

Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero