[LV2] [Devel] lv2_descriptor() considered harmful
d at drobilla.net
Sat Feb 25 13:12:49 PST 2012
On Sat, 2012-02-25 at 13:09 -0600, Gabriel M. Beddingfield wrote:
> On 02/24/2012 05:58 PM, Martin wrote:
> > apart from getting the bundle path it would also be useful to get the
> > requested URI directly from the host (if possible).
> > typedef int (*LV2_Init_Function)(const char* bundle_path,
> > const char* plugin_URI,
> > const LV2_Feature *const * features);
> This looks totally wrong. The intent for LV2_Init_Function is to
> provide a /library/ constructor... to be executed after dlopen() opens
> the so-file. It has nothing to do with any specific plugin URI... and
> if it does, then that's a mistake. An individual plugin already has an
> explicit init/deinit.
> For example... suppose that all your plugins use a Singleton logger or
> some kind. You want it to be init'd on library load and destructed on
> library close. ATM, the only way to do this is to make your plugin in
> C++ or use compiler extensions.
Right, having the plugin URI as a parameter here makes no sense. I
still prefer the original proposal that made a descriptor for the
library which contains all the functions. Much nicer than relying on
magical hidden data, IMO.
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