[opus] [ogg-dev] comment writing in opus / liboggz

[Ralph Giles]

 - r

>Aside: what is the purpose of the original sample rate in the Opus
>header? And why would you want to change it? (Other than being
>annoying to not be able to.)

The idea was for applications round-tripping audio through opus to be able to produce a wav file that matched the original sample rate. Basically that would be less confusing in some contexts. You'd only want to change it if it was incorrect.

 -r