[LAD] RDF libraries, was Re: [ANN] IR: LV2 Convolution Reverb

Olivier Guilyardi list at samalyse.com
Fri Mar 11 11:08:22 UTC 2011


On 02/25/2011 10:00 PM, David Robillard wrote:
> On Fri, 2011-02-25 at 21:09 +0100, Olivier Guilyardi wrote:

>> That said there is another big problem. This glib dependency, it's way too heavy
>> for mobile deployment.
> 
> Glib was the most effective route of getting the job done - rewriting
> the few bits that are required is not an effective use of my time right
> now (it's not exposed in the API, so it's not a compatibility issue, and
> there's a ton of more pressing LV2 things that need doing).
> 
> I'm not a huge fan of wheel-reinventing, and on PCs glib is about as
> unoffensive a dependency as they come. On mobile, I guess that meg or so
> actually makes a difference.
> 
> Replacing glib will not be very difficult, very little of it is used:
> just a balanced BST, dynamic array, and ideally a hash table or trie
> other appropriate structure for string interning (the BST would do for
> this part, with a bit of a performance cost). Good old-fashioned data
> structure implementation is my favourite thing to do, but unfortunately
> there is no shortage of more pragmatic things that need doing ;)
> 
> Perhaps Stefano's NASPRO core work will do, or using C++ internally, or
> just tearing the required bits out of glib itself. Sqlite has an
> in-memory hash table IIRC. Code abounds.
> 
> Present a viable alternative, and I'll switch sord/slv2 to it, but I
> have no good reason to invest time in reinventing glib right now.

I will try and submit a patch to remove glib. It'll take some time because I
have dozens of other things to do, but I will work on this. I had a quick look
at sord, it seems it only needs glib's sequence and hash table. Is this correct,
or will you need some more utilities?

--
  Olivier




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