[LAD] Re : Saving plugin presets

[Stefan Kost]

Paul Davis schrieb:
> On Fri, 2009-01-23 at 20:45 +0200, Stefan Kost wrote:
>> Paul Davis schrieb:
>>> On Wed, 2009-01-21 at 23:07 +0200, Stefan Kost wrote:
>>>
>>>> Seems to be a nice library, but it looks already too capable for the task at
>>>> hand. The idea is to agree on a simple format, so that we don't add a hidden
>>>> dependency for a certain library to parse it. Therefore no xml, rdf etc..
>>> No, no, and a hundred times no. This is the code needed in ardour to
>>> load a named preset:
>> I got ensure in a previous thread, that the rdf approach is flawed, as you can't
>> get a list of presets for each plugin. I got no answer how its supposed to work.
>> What an application would want to do is:
>> * scan LADSPA_PATH for plugins
>> * get the rdf blob for each
>> * build a list of presets for each plugin
> 
> given a unique integral ID for a plugin:
> 
> 	lrdf_uris* set_uris = lrdf_get_setting_uris(id);
> 
> 	if (set_uris) {
> 		for (uint32_t i = 0; i < (uint32_t) set_uris->count; ++i) {
> 			if (char* label = lrdf_get_label(set_uris->items[i])) {
> 				labels.push_back(label);
> 				presets[label] = set_uris->items[i];
> 			}
> 		}
> 		lrdf_free_uris(set_uris);
> 	}
> 
> 	// GTK2FIX find an equivalent way to do this with a vector (needed by
> GUI apis)
> 	// labels.unique();
> 
> 	return labels;
> 
> 

Just wanna say thanks! GStreamers ladspa bridge now has initil lrdf support.
Classification works, presets next. I wish Fons's ladspa packages would have
rdfs. Fons, would you accept them if I try making them?

Also, is there a tool that queries plugins and dumps the rdf skelleton?

Stefan