[LAD] build problem with ambix plugins + LV2

Filipe Coelho falktx at gmail.com
Tue Oct 14 21:18:56 UTC 2014

On 14-10-2014 22:06, Matthias Kronlachner wrote:
> On 14/10/14 11:06, Filipe Coelho wrote:
>> On 10/13/2014 09:41 PM, Matthias Kronlachner wrote:
>>> On 13/10/14 21:34, Filipe Coelho wrote:
>>>> Filipe here (Juce-LV2 wrapper author).
>>>> What exactly is the problem with the LV2 UI?
>>>> Which hosts have you tested it with?
>>>> Does the VST UI work?
>>>> Are you using the latest juce-lv2 code as available here?
>>>> https://github.com/DISTRHO/DISTRHO-Ports/tree/master/libs/juce/source/modules/juce_audio_plugin_client/LV2
>>>> If you give me a link to the source I'll have a look at it.
>>> Hi Filipe,
>>> thanks for the reply! I am using the latest version of your wrapper, 
>>> just got it today from your repo.
>>> You find the plug-ins here: https://github.com/kronihias/ambix
>>> Some VST-UIs work, but not all.
>>> Eg. the decoder vst GUI works, but the LV2 version does only show an 
>>> empty window.
>>> The encoder GUI crashes, might be OpenGL related.
>>> I tested it with Ardour-3.5.403.
>> Well after building the LV2 code the issue is clear - you do not have 
>> proper URIs for the plugins.
>> LV2 uses URIs to identify plugins, see 
>> http://en.wikipedia.org/wiki/Uniform_resource_identifier
>> Making the LV2 URI a single plugin name is very wrong and against the 
>> spec.
>> If you don't have a domain you can use "urn:ambix:PLUGIN".
>> The URI doesn't have to exist on the internet, it's only used locally 
>> to identify the plugin.
>> After setting a proper LV2 URI the UI appears and works as usual [1].
>> In short, just change the broken JucePlugin_LV2URI macro in your 
>> AppConfig.h files for a real URI and it should work.
>> [1] - http://i.imgur.com/FSqaxn0.png
> Thanks Filipe, the UIs do work now.
> One things is strange though, if you open the UI and close it several 
> times the GUI moves out of the window.
> There seems to be something wrong with the window borders.
> Any idea?

Probalby some issue in juce.
Can you link to a screenshot of the issue?

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