Looks like Nitro isn't the way forward for open data - developer keys being revoked in one week :(

[dinkypumpkin]

On 06/11/2014 19:25, dinkypumpkin wrote:
> One of those 3 lonely posts pointed to some Nitro-based code developed
> for http://atlas.metabroadcast.com (https://github.com/mbst/glycerin).
> Looking through their source, it looks like Nitro might support the
> kinds of queries that would be useful in a get_iplayer-friendly indexer.
>   But knowing nothing about the actual data formats and performance,
> that's pure speculation on my part.

I spoke too soon.  There is a data schema in the metabroadcast.com code, 
so you can get some sense of what's available.