> it seems that USB audio supports 24 bit sample in 3 bytes format.
> and additionally i've found there are 20bit and 18bit sample formats.
> the world is large...
> 
> an arising problem is that the number of formats is limited to 32.
> already 26 format types are used.  the rest are only 6, and not enough
> if we put BE/LE and signed/unsigned for new formats, too.
> 
> how can we solve this?  extend to 64bit?  no, it has too overhead.
> add a new field for special formats?
> 
> perhaps we don't need all of them for such special formats.
> there are no unsigned types for such formats.
> but anyway the left resource is too small.

are formats currently a bit in a 'supported formats' flag?

--martijn



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